src/hotspot/os/windows/os_windows.cpp
author rwestberg
Mon, 09 Apr 2018 10:09:38 +0200
changeset 49726 4ae63fcabe2e
parent 49449 ef5d5d343e2a
child 49968 33a76b934213
permissions -rw-r--r--
8199736: Define WIN32_LEAN_AND_MEAN before including windows.h Reviewed-by: erikj, ihse, kbarrett, dholmes
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/*
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 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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// Must be at least Windows Vista or Server 2008 to use InitOnceExecuteOnce
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#define _WIN32_WINNT 0x0600
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// no precompiled headers
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#include "jvm.h"
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#include "classfile/classLoader.hpp"
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#include "classfile/systemDictionary.hpp"
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#include "classfile/vmSymbols.hpp"
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#include "code/icBuffer.hpp"
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#include "code/vtableStubs.hpp"
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#include "compiler/compileBroker.hpp"
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#include "compiler/disassembler.hpp"
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#include "interpreter/interpreter.hpp"
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#include "logging/log.hpp"
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#include "memory/allocation.inline.hpp"
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#include "memory/filemap.hpp"
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#include "oops/oop.inline.hpp"
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#include "os_share_windows.hpp"
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#include "os_windows.inline.hpp"
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#include "prims/jniFastGetField.hpp"
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#include "prims/jvm_misc.hpp"
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#include "runtime/arguments.hpp"
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#include "runtime/atomic.hpp"
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#include "runtime/extendedPC.hpp"
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#include "runtime/globals.hpp"
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#include "runtime/interfaceSupport.inline.hpp"
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#include "runtime/java.hpp"
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#include "runtime/javaCalls.hpp"
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#include "runtime/mutexLocker.hpp"
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#include "runtime/objectMonitor.hpp"
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#include "runtime/orderAccess.inline.hpp"
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#include "runtime/osThread.hpp"
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#include "runtime/perfMemory.hpp"
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#include "runtime/sharedRuntime.hpp"
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#include "runtime/statSampler.hpp"
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#include "runtime/stubRoutines.hpp"
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#include "runtime/thread.inline.hpp"
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#include "runtime/threadCritical.hpp"
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#include "runtime/timer.hpp"
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#include "runtime/vm_version.hpp"
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#include "services/attachListener.hpp"
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#include "services/memTracker.hpp"
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#include "services/runtimeService.hpp"
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#include "utilities/align.hpp"
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#include "utilities/decoder.hpp"
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#include "utilities/defaultStream.hpp"
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#include "utilities/events.hpp"
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#include "utilities/growableArray.hpp"
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#include "utilities/macros.hpp"
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#include "utilities/vmError.hpp"
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#include "symbolengine.hpp"
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#include "windbghelp.hpp"
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#ifdef _DEBUG
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#include <crtdbg.h>
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#endif
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#include <windows.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/timeb.h>
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#include <objidl.h>
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#include <shlobj.h>
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#include <malloc.h>
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#include <signal.h>
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#include <direct.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <io.h>
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#include <process.h>              // For _beginthreadex(), _endthreadex()
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#include <imagehlp.h>             // For os::dll_address_to_function_name
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// for enumerating dll libraries
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#include <vdmdbg.h>
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#include <psapi.h>
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#include <mmsystem.h>
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#include <winsock2.h>
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// for timer info max values which include all bits
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#define ALL_64_BITS CONST64(-1)
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// For DLL loading/load error detection
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// Values of PE COFF
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#define IMAGE_FILE_PTR_TO_SIGNATURE 0x3c
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#define IMAGE_FILE_SIGNATURE_LENGTH 4
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static HANDLE main_process;
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static HANDLE main_thread;
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static int    main_thread_id;
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static FILETIME process_creation_time;
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static FILETIME process_exit_time;
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static FILETIME process_user_time;
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static FILETIME process_kernel_time;
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#ifdef _M_AMD64
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  #define __CPU__ amd64
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#else
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  #define __CPU__ i486
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#endif
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// save DLL module handle, used by GetModuleFileName
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HINSTANCE vm_lib_handle;
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BOOL WINAPI DllMain(HINSTANCE hinst, DWORD reason, LPVOID reserved) {
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  switch (reason) {
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  case DLL_PROCESS_ATTACH:
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    vm_lib_handle = hinst;
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    if (ForceTimeHighResolution) {
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      timeBeginPeriod(1L);
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    }
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    WindowsDbgHelp::pre_initialize();
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    SymbolEngine::pre_initialize();
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    break;
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  case DLL_PROCESS_DETACH:
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    if (ForceTimeHighResolution) {
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      timeEndPeriod(1L);
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    }
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    break;
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  default:
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    break;
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  }
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  return true;
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}
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static inline double fileTimeAsDouble(FILETIME* time) {
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  const double high  = (double) ((unsigned int) ~0);
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  const double split = 10000000.0;
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  double result = (time->dwLowDateTime / split) +
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                   time->dwHighDateTime * (high/split);
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  return result;
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}
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// Implementation of os
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bool os::unsetenv(const char* name) {
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  assert(name != NULL, "Null pointer");
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  return (SetEnvironmentVariable(name, NULL) == TRUE);
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}
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// No setuid programs under Windows.
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bool os::have_special_privileges() {
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  return false;
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}
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// This method is  a periodic task to check for misbehaving JNI applications
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// under CheckJNI, we can add any periodic checks here.
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// For Windows at the moment does nothing
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void os::run_periodic_checks() {
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  return;
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}
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// previous UnhandledExceptionFilter, if there is one
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static LPTOP_LEVEL_EXCEPTION_FILTER prev_uef_handler = NULL;
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LONG WINAPI Handle_FLT_Exception(struct _EXCEPTION_POINTERS* exceptionInfo);
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void os::init_system_properties_values() {
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  // sysclasspath, java_home, dll_dir
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  {
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    char *home_path;
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    char *dll_path;
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    char *pslash;
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    char *bin = "\\bin";
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    char home_dir[MAX_PATH + 1];
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    char *alt_home_dir = ::getenv("_ALT_JAVA_HOME_DIR");
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    if (alt_home_dir != NULL)  {
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      strncpy(home_dir, alt_home_dir, MAX_PATH + 1);
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      home_dir[MAX_PATH] = '\0';
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    } else {
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      os::jvm_path(home_dir, sizeof(home_dir));
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      // Found the full path to jvm.dll.
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      // Now cut the path to <java_home>/jre if we can.
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      *(strrchr(home_dir, '\\')) = '\0';  // get rid of \jvm.dll
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      pslash = strrchr(home_dir, '\\');
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      if (pslash != NULL) {
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        *pslash = '\0';                   // get rid of \{client|server}
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        pslash = strrchr(home_dir, '\\');
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        if (pslash != NULL) {
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          *pslash = '\0';                 // get rid of \bin
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        }
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      }
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    }
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    home_path = NEW_C_HEAP_ARRAY(char, strlen(home_dir) + 1, mtInternal);
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    if (home_path == NULL) {
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      return;
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    }
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    strcpy(home_path, home_dir);
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    Arguments::set_java_home(home_path);
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    FREE_C_HEAP_ARRAY(char, home_path);
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    dll_path = NEW_C_HEAP_ARRAY(char, strlen(home_dir) + strlen(bin) + 1,
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                                mtInternal);
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    if (dll_path == NULL) {
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      return;
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    }
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    strcpy(dll_path, home_dir);
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    strcat(dll_path, bin);
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    Arguments::set_dll_dir(dll_path);
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    FREE_C_HEAP_ARRAY(char, dll_path);
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    if (!set_boot_path('\\', ';')) {
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      return;
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    }
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  }
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// library_path
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#define EXT_DIR "\\lib\\ext"
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#define BIN_DIR "\\bin"
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#define PACKAGE_DIR "\\Sun\\Java"
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  {
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    // Win32 library search order (See the documentation for LoadLibrary):
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    //
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    // 1. The directory from which application is loaded.
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    // 2. The system wide Java Extensions directory (Java only)
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    // 3. System directory (GetSystemDirectory)
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    // 4. Windows directory (GetWindowsDirectory)
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    // 5. The PATH environment variable
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    // 6. The current directory
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    char *library_path;
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    char tmp[MAX_PATH];
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    char *path_str = ::getenv("PATH");
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    library_path = NEW_C_HEAP_ARRAY(char, MAX_PATH * 5 + sizeof(PACKAGE_DIR) +
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                                    sizeof(BIN_DIR) + (path_str ? strlen(path_str) : 0) + 10, mtInternal);
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    library_path[0] = '\0';
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    GetModuleFileName(NULL, tmp, sizeof(tmp));
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    *(strrchr(tmp, '\\')) = '\0';
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    strcat(library_path, tmp);
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    GetWindowsDirectory(tmp, sizeof(tmp));
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    strcat(library_path, ";");
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    strcat(library_path, tmp);
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    strcat(library_path, PACKAGE_DIR BIN_DIR);
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    GetSystemDirectory(tmp, sizeof(tmp));
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    strcat(library_path, ";");
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    strcat(library_path, tmp);
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    GetWindowsDirectory(tmp, sizeof(tmp));
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    strcat(library_path, ";");
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    strcat(library_path, tmp);
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    if (path_str) {
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      strcat(library_path, ";");
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      strcat(library_path, path_str);
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    }
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    strcat(library_path, ";.");
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    Arguments::set_library_path(library_path);
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    FREE_C_HEAP_ARRAY(char, library_path);
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  }
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  // Default extensions directory
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  {
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    char path[MAX_PATH];
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    char buf[2 * MAX_PATH + 2 * sizeof(EXT_DIR) + sizeof(PACKAGE_DIR) + 1];
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    GetWindowsDirectory(path, MAX_PATH);
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    sprintf(buf, "%s%s;%s%s%s", Arguments::get_java_home(), EXT_DIR,
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            path, PACKAGE_DIR, EXT_DIR);
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    Arguments::set_ext_dirs(buf);
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  }
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  #undef EXT_DIR
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  #undef BIN_DIR
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  #undef PACKAGE_DIR
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#ifndef _WIN64
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  // set our UnhandledExceptionFilter and save any previous one
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  prev_uef_handler = SetUnhandledExceptionFilter(Handle_FLT_Exception);
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#endif
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  // Done
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  return;
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}
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void os::breakpoint() {
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  DebugBreak();
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}
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// Invoked from the BREAKPOINT Macro
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extern "C" void breakpoint() {
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  os::breakpoint();
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}
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// RtlCaptureStackBackTrace Windows API may not exist prior to Windows XP.
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// So far, this method is only used by Native Memory Tracking, which is
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// only supported on Windows XP or later.
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//
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int os::get_native_stack(address* stack, int frames, int toSkip) {
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  int captured = RtlCaptureStackBackTrace(toSkip + 1, frames, (PVOID*)stack, NULL);
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zgu
parents: 25719
diff changeset
   325
  for (int index = captured; index < frames; index ++) {
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 25719
diff changeset
   326
    stack[index] = NULL;
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 25719
diff changeset
   327
  }
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 25719
diff changeset
   328
  return captured;
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
   329
}
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
   330
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
   331
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   332
// os::current_stack_base()
489c9b5090e2 Initial load
duke
parents:
diff changeset
   333
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   334
//   Returns the base of the stack, which is the stack's
489c9b5090e2 Initial load
duke
parents:
diff changeset
   335
//   starting address.  This function must be called
489c9b5090e2 Initial load
duke
parents:
diff changeset
   336
//   while running on the stack of the thread being queried.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   337
489c9b5090e2 Initial load
duke
parents:
diff changeset
   338
address os::current_stack_base() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   339
  MEMORY_BASIC_INFORMATION minfo;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   340
  address stack_bottom;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   341
  size_t stack_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   342
489c9b5090e2 Initial load
duke
parents:
diff changeset
   343
  VirtualQuery(&minfo, &minfo, sizeof(minfo));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   344
  stack_bottom =  (address)minfo.AllocationBase;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   345
  stack_size = minfo.RegionSize;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   346
489c9b5090e2 Initial load
duke
parents:
diff changeset
   347
  // Add up the sizes of all the regions with the same
489c9b5090e2 Initial load
duke
parents:
diff changeset
   348
  // AllocationBase.
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   349
  while (1) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   350
    VirtualQuery(stack_bottom+stack_size, &minfo, sizeof(minfo));
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   351
    if (stack_bottom == (address)minfo.AllocationBase) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   352
      stack_size += minfo.RegionSize;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   353
    } else {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   354
      break;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   355
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   356
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   357
  return stack_bottom + stack_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   358
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   359
489c9b5090e2 Initial load
duke
parents:
diff changeset
   360
size_t os::current_stack_size() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   361
  size_t sz;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   362
  MEMORY_BASIC_INFORMATION minfo;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   363
  VirtualQuery(&minfo, &minfo, sizeof(minfo));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   364
  sz = (size_t)os::current_stack_base() - (size_t)minfo.AllocationBase;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   365
  return sz;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   366
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   367
2012
041fbc6030dd 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
ysr
parents: 1664
diff changeset
   368
struct tm* os::localtime_pd(const time_t* clock, struct tm* res) {
041fbc6030dd 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
ysr
parents: 1664
diff changeset
   369
  const struct tm* time_struct_ptr = localtime(clock);
041fbc6030dd 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
ysr
parents: 1664
diff changeset
   370
  if (time_struct_ptr != NULL) {
041fbc6030dd 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
ysr
parents: 1664
diff changeset
   371
    *res = *time_struct_ptr;
041fbc6030dd 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
ysr
parents: 1664
diff changeset
   372
    return res;
041fbc6030dd 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
ysr
parents: 1664
diff changeset
   373
  }
041fbc6030dd 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
ysr
parents: 1664
diff changeset
   374
  return NULL;
041fbc6030dd 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
ysr
parents: 1664
diff changeset
   375
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   376
42066
46f6db750b17 8166117: Add UTC timestamp decorator for UL
mlarsson
parents: 41717
diff changeset
   377
struct tm* os::gmtime_pd(const time_t* clock, struct tm* res) {
46f6db750b17 8166117: Add UTC timestamp decorator for UL
mlarsson
parents: 41717
diff changeset
   378
  const struct tm* time_struct_ptr = gmtime(clock);
46f6db750b17 8166117: Add UTC timestamp decorator for UL
mlarsson
parents: 41717
diff changeset
   379
  if (time_struct_ptr != NULL) {
46f6db750b17 8166117: Add UTC timestamp decorator for UL
mlarsson
parents: 41717
diff changeset
   380
    *res = *time_struct_ptr;
46f6db750b17 8166117: Add UTC timestamp decorator for UL
mlarsson
parents: 41717
diff changeset
   381
    return res;
46f6db750b17 8166117: Add UTC timestamp decorator for UL
mlarsson
parents: 41717
diff changeset
   382
  }
46f6db750b17 8166117: Add UTC timestamp decorator for UL
mlarsson
parents: 41717
diff changeset
   383
  return NULL;
46f6db750b17 8166117: Add UTC timestamp decorator for UL
mlarsson
parents: 41717
diff changeset
   384
}
46f6db750b17 8166117: Add UTC timestamp decorator for UL
mlarsson
parents: 41717
diff changeset
   385
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   386
LONG WINAPI topLevelExceptionFilter(struct _EXCEPTION_POINTERS* exceptionInfo);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   387
38290
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   388
// Thread start routine for all newly created threads
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   389
static unsigned __stdcall thread_native_entry(Thread* thread) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   390
  // Try to randomize the cache line index of hot stack frames.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   391
  // This helps when threads of the same stack traces evict each other's
489c9b5090e2 Initial load
duke
parents:
diff changeset
   392
  // cache lines. The threads can be either from the same JVM instance, or
489c9b5090e2 Initial load
duke
parents:
diff changeset
   393
  // from different JVM instances. The benefit is especially true for
489c9b5090e2 Initial load
duke
parents:
diff changeset
   394
  // processors with hyperthreading technology.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   395
  static int counter = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   396
  int pid = os::current_process_id();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   397
  _alloca(((pid ^ counter++) & 7) * 128);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   398
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
   399
  thread->initialize_thread_current();
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
   400
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   401
  OSThread* osthr = thread->osthread();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
  assert(osthr->get_state() == RUNNABLE, "invalid os thread state");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   403
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
  if (UseNUMA) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
    int lgrp_id = os::numa_get_group_id();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
    if (lgrp_id != -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
      thread->set_lgrp_id(lgrp_id);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   408
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
   411
  // Diagnostic code to investigate JDK-6573254
28627
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
   412
  int res = 30115;  // non-java thread
26295
6a9d9192f215 8055338: (process) Add instrumentation to help diagnose JDK-6573254
igerasim
parents: 26290
diff changeset
   413
  if (thread->is_Java_thread()) {
28627
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
   414
    res = 20115;    // java thread
26295
6a9d9192f215 8055338: (process) Add instrumentation to help diagnose JDK-6573254
igerasim
parents: 26290
diff changeset
   415
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
36355
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   417
  log_info(os, thread)("Thread is alive (tid: " UINTX_FORMAT ").", os::current_thread_id());
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   418
14284
ceb386367065 7188234: Deprecate VM command line options
coleenp
parents: 13932
diff changeset
   419
  // Install a win32 structured exception handler around every thread created
26295
6a9d9192f215 8055338: (process) Add instrumentation to help diagnose JDK-6573254
igerasim
parents: 26290
diff changeset
   420
  // by VM, so VM can generate error dump when an exception occurred in non-
14284
ceb386367065 7188234: Deprecate VM command line options
coleenp
parents: 13932
diff changeset
   421
  // Java thread (e.g. VM thread).
ceb386367065 7188234: Deprecate VM command line options
coleenp
parents: 13932
diff changeset
   422
  __try {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   423
    thread->run();
14284
ceb386367065 7188234: Deprecate VM command line options
coleenp
parents: 13932
diff changeset
   424
  } __except(topLevelExceptionFilter(
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   425
                                     (_EXCEPTION_POINTERS*)_exception_info())) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   426
    // Nothing to do.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
36355
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   429
  log_info(os, thread)("Thread finished (tid: " UINTX_FORMAT ").", os::current_thread_id());
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   430
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
  // One less thread is executing
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
  // When the VMThread gets here, the main thread may have already exited
489c9b5090e2 Initial load
duke
parents:
diff changeset
   433
  // which frees the CodeHeap containing the Atomic::add code
489c9b5090e2 Initial load
duke
parents:
diff changeset
   434
  if (thread != VMThread::vm_thread() && VMThread::vm_thread() != NULL) {
47552
8a3599d60996 8186838: Generalize Atomic::inc/dec with templates
eosterlund
parents: 47216
diff changeset
   435
    Atomic::dec(&os::win32::_os_thread_count);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   436
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   437
38290
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   438
  // If a thread has not deleted itself ("delete this") as part of its
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   439
  // termination sequence, we have to ensure thread-local-storage is
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   440
  // cleared before we actually terminate. No threads should ever be
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   441
  // deleted asynchronously with respect to their termination.
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   442
  if (Thread::current_or_null_safe() != NULL) {
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   443
    assert(Thread::current_or_null_safe() == thread, "current thread is wrong");
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   444
    thread->clear_thread_current();
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   445
  }
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   446
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
   447
  // Thread must not return from exit_process_or_thread(), but if it does,
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
   448
  // let it proceed to exit normally
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
   449
  return (unsigned)os::win32::exit_process_or_thread(os::win32::EPT_THREAD, res);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   452
static OSThread* create_os_thread(Thread* thread, HANDLE thread_handle,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   453
                                  int thread_id) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
  // Allocate the OSThread object
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
  OSThread* osthread = new OSThread(NULL, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
  if (osthread == NULL) return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   457
489c9b5090e2 Initial load
duke
parents:
diff changeset
   458
  // Initialize support for Java interrupts
489c9b5090e2 Initial load
duke
parents:
diff changeset
   459
  HANDLE interrupt_event = CreateEvent(NULL, true, false, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   460
  if (interrupt_event == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   461
    delete osthread;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   462
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   463
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
  osthread->set_interrupt_event(interrupt_event);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
489c9b5090e2 Initial load
duke
parents:
diff changeset
   466
  // Store info on the Win32 thread into the OSThread
489c9b5090e2 Initial load
duke
parents:
diff changeset
   467
  osthread->set_thread_handle(thread_handle);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
  osthread->set_thread_id(thread_id);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   469
489c9b5090e2 Initial load
duke
parents:
diff changeset
   470
  if (UseNUMA) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   471
    int lgrp_id = os::numa_get_group_id();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   472
    if (lgrp_id != -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   473
      thread->set_lgrp_id(lgrp_id);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   474
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   475
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
  // Initial thread state is INITIALIZED, not SUSPENDED
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
  osthread->set_state(INITIALIZED);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   479
489c9b5090e2 Initial load
duke
parents:
diff changeset
   480
  return osthread;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
489c9b5090e2 Initial load
duke
parents:
diff changeset
   484
bool os::create_attached_thread(JavaThread* thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   485
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   486
  thread->verify_not_published();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   487
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   488
  HANDLE thread_h;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
  if (!DuplicateHandle(main_process, GetCurrentThread(), GetCurrentProcess(),
489c9b5090e2 Initial load
duke
parents:
diff changeset
   490
                       &thread_h, THREAD_ALL_ACCESS, false, 0)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
    fatal("DuplicateHandle failed\n");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   492
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
  OSThread* osthread = create_os_thread(thread, thread_h,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
                                        (int)current_thread_id());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   495
  if (osthread == NULL) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   496
    return false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   497
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   498
489c9b5090e2 Initial load
duke
parents:
diff changeset
   499
  // Initial thread state is RUNNABLE
489c9b5090e2 Initial load
duke
parents:
diff changeset
   500
  osthread->set_state(RUNNABLE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
  thread->set_osthread(osthread);
36355
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   503
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   504
  log_info(os, thread)("Thread attached (tid: " UINTX_FORMAT ").",
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   505
    os::current_thread_id());
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   506
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   507
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   508
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   509
489c9b5090e2 Initial load
duke
parents:
diff changeset
   510
bool os::create_main_thread(JavaThread* thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   511
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   512
  thread->verify_not_published();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   513
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   514
  if (_starting_thread == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   515
    _starting_thread = create_os_thread(thread, main_thread, main_thread_id);
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   516
    if (_starting_thread == NULL) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   517
      return false;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   518
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   519
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   520
489c9b5090e2 Initial load
duke
parents:
diff changeset
   521
  // The primordial thread is runnable from the start)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   522
  _starting_thread->set_state(RUNNABLE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   523
489c9b5090e2 Initial load
duke
parents:
diff changeset
   524
  thread->set_osthread(_starting_thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   525
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   526
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   527
36355
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   528
// Helper function to trace _beginthreadex attributes,
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   529
//  similar to os::Posix::describe_pthread_attr()
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   530
static char* describe_beginthreadex_attributes(char* buf, size_t buflen,
36379
0c596dc28ed7 8150619: Improve thread based logging introduced with 8149036
stuefe
parents: 36362
diff changeset
   531
                                               size_t stacksize, unsigned initflag) {
36355
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   532
  stringStream ss(buf, buflen);
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   533
  if (stacksize == 0) {
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   534
    ss.print("stacksize: default, ");
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   535
  } else {
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   536
    ss.print("stacksize: " SIZE_FORMAT "k, ", stacksize / 1024);
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   537
  }
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   538
  ss.print("flags: ");
36379
0c596dc28ed7 8150619: Improve thread based logging introduced with 8149036
stuefe
parents: 36362
diff changeset
   539
  #define PRINT_FLAG(f) if (initflag & f) ss.print( #f " ");
36355
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   540
  #define ALL(X) \
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   541
    X(CREATE_SUSPENDED) \
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   542
    X(STACK_SIZE_PARAM_IS_A_RESERVATION)
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   543
  ALL(PRINT_FLAG)
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   544
  #undef ALL
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   545
  #undef PRINT_FLAG
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   546
  return buf;
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   547
}
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   548
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   549
// Allocate and initialize a new OSThread
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   550
bool os::create_thread(Thread* thread, ThreadType thr_type,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   551
                       size_t stack_size) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   552
  unsigned thread_id;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   553
489c9b5090e2 Initial load
duke
parents:
diff changeset
   554
  // Allocate the OSThread object
489c9b5090e2 Initial load
duke
parents:
diff changeset
   555
  OSThread* osthread = new OSThread(NULL, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   556
  if (osthread == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   557
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   558
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   559
489c9b5090e2 Initial load
duke
parents:
diff changeset
   560
  // Initialize support for Java interrupts
489c9b5090e2 Initial load
duke
parents:
diff changeset
   561
  HANDLE interrupt_event = CreateEvent(NULL, true, false, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   562
  if (interrupt_event == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   563
    delete osthread;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   564
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   565
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   566
  osthread->set_interrupt_event(interrupt_event);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   567
  osthread->set_interrupted(false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   568
489c9b5090e2 Initial load
duke
parents:
diff changeset
   569
  thread->set_osthread(osthread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   570
489c9b5090e2 Initial load
duke
parents:
diff changeset
   571
  if (stack_size == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   572
    switch (thr_type) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   573
    case os::java_thread:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   574
      // Java threads use ThreadStackSize which default value can be changed with the flag -Xss
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   575
      if (JavaThread::stack_size_at_create() > 0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   576
        stack_size = JavaThread::stack_size_at_create();
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   577
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   578
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   579
    case os::compiler_thread:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   580
      if (CompilerThreadStackSize > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   581
        stack_size = (size_t)(CompilerThreadStackSize * K);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   582
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   583
      } // else fall through:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   584
        // use VMThreadStackSize if CompilerThreadStackSize is not defined
489c9b5090e2 Initial load
duke
parents:
diff changeset
   585
    case os::vm_thread:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   586
    case os::pgc_thread:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   587
    case os::cgc_thread:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   588
    case os::watcher_thread:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   589
      if (VMThreadStackSize > 0) stack_size = (size_t)(VMThreadStackSize * K);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   590
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   591
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   592
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   593
489c9b5090e2 Initial load
duke
parents:
diff changeset
   594
  // Create the Win32 thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
   595
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
   596
  // Contrary to what MSDN document says, "stack_size" in _beginthreadex()
489c9b5090e2 Initial load
duke
parents:
diff changeset
   597
  // does not specify stack size. Instead, it specifies the size of
489c9b5090e2 Initial load
duke
parents:
diff changeset
   598
  // initially committed space. The stack size is determined by
489c9b5090e2 Initial load
duke
parents:
diff changeset
   599
  // PE header in the executable. If the committed "stack_size" is larger
489c9b5090e2 Initial load
duke
parents:
diff changeset
   600
  // than default value in the PE header, the stack is rounded up to the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   601
  // nearest multiple of 1MB. For example if the launcher has default
489c9b5090e2 Initial load
duke
parents:
diff changeset
   602
  // stack size of 320k, specifying any size less than 320k does not
489c9b5090e2 Initial load
duke
parents:
diff changeset
   603
  // affect the actual stack size at all, it only affects the initial
489c9b5090e2 Initial load
duke
parents:
diff changeset
   604
  // commitment. On the other hand, specifying 'stack_size' larger than
489c9b5090e2 Initial load
duke
parents:
diff changeset
   605
  // default value may cause significant increase in memory usage, because
489c9b5090e2 Initial load
duke
parents:
diff changeset
   606
  // not only the stack space will be rounded up to MB, but also the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   607
  // entire space is committed upfront.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   608
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
   609
  // Finally Windows XP added a new flag 'STACK_SIZE_PARAM_IS_A_RESERVATION'
489c9b5090e2 Initial load
duke
parents:
diff changeset
   610
  // for CreateThread() that can treat 'stack_size' as stack size. However we
489c9b5090e2 Initial load
duke
parents:
diff changeset
   611
  // are not supposed to call CreateThread() directly according to MSDN
489c9b5090e2 Initial load
duke
parents:
diff changeset
   612
  // document because JVM uses C runtime library. The good news is that the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   613
  // flag appears to work with _beginthredex() as well.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   614
36355
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   615
  const unsigned initflag = CREATE_SUSPENDED | STACK_SIZE_PARAM_IS_A_RESERVATION;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   616
  HANDLE thread_handle =
489c9b5090e2 Initial load
duke
parents:
diff changeset
   617
    (HANDLE)_beginthreadex(NULL,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   618
                           (unsigned)stack_size,
38290
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   619
                           (unsigned (__stdcall *)(void*)) thread_native_entry,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   620
                           thread,
36355
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   621
                           initflag,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   622
                           &thread_id);
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   623
36355
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   624
  char buf[64];
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   625
  if (thread_handle != NULL) {
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   626
    log_info(os, thread)("Thread started (tid: %u, attributes: %s)",
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   627
      thread_id, describe_beginthreadex_attributes(buf, sizeof(buf), stack_size, initflag));
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   628
  } else {
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   629
    log_warning(os, thread)("Failed to start thread - _beginthreadex failed (%s) for attributes: %s.",
37113
5a33bf5089ac 8148425: strerror() function is not thread-safe
stuefe
parents: 37052
diff changeset
   630
      os::errno_name(errno), describe_beginthreadex_attributes(buf, sizeof(buf), stack_size, initflag));
36355
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   631
  }
dd339cbafd31 8149036: Add tracing for thread related events at os level
stuefe
parents: 36174
diff changeset
   632
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   633
  if (thread_handle == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   634
    // Need to clean up stuff we've allocated so far
489c9b5090e2 Initial load
duke
parents:
diff changeset
   635
    CloseHandle(osthread->interrupt_event());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   636
    thread->set_osthread(NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   637
    delete osthread;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   638
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   639
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   640
47552
8a3599d60996 8186838: Generalize Atomic::inc/dec with templates
eosterlund
parents: 47216
diff changeset
   641
  Atomic::inc(&os::win32::_os_thread_count);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   642
489c9b5090e2 Initial load
duke
parents:
diff changeset
   643
  // Store info on the Win32 thread into the OSThread
489c9b5090e2 Initial load
duke
parents:
diff changeset
   644
  osthread->set_thread_handle(thread_handle);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   645
  osthread->set_thread_id(thread_id);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   646
489c9b5090e2 Initial load
duke
parents:
diff changeset
   647
  // Initial thread state is INITIALIZED, not SUSPENDED
489c9b5090e2 Initial load
duke
parents:
diff changeset
   648
  osthread->set_state(INITIALIZED);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   649
489c9b5090e2 Initial load
duke
parents:
diff changeset
   650
  // The thread is returned suspended (in state INITIALIZED), and is started higher up in the call chain
489c9b5090e2 Initial load
duke
parents:
diff changeset
   651
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   652
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   653
489c9b5090e2 Initial load
duke
parents:
diff changeset
   654
489c9b5090e2 Initial load
duke
parents:
diff changeset
   655
// Free Win32 resources related to the OSThread
489c9b5090e2 Initial load
duke
parents:
diff changeset
   656
void os::free_thread(OSThread* osthread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   657
  assert(osthread != NULL, "osthread not set");
38290
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   658
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   659
  // We are told to free resources of the argument thread,
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   660
  // but we can only really operate on the current thread.
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   661
  assert(Thread::current()->osthread() == osthread,
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   662
         "os::free_thread but not current thread");
6b194cfc1557 8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents: 38263
diff changeset
   663
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   664
  CloseHandle(osthread->thread_handle());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   665
  CloseHandle(osthread->interrupt_event());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   666
  delete osthread;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   667
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   668
489c9b5090e2 Initial load
duke
parents:
diff changeset
   669
static jlong first_filetime;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   670
static jlong initial_performance_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   671
static jlong performance_frequency;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   672
489c9b5090e2 Initial load
duke
parents:
diff changeset
   673
489c9b5090e2 Initial load
duke
parents:
diff changeset
   674
jlong as_long(LARGE_INTEGER x) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   675
  jlong result = 0; // initialization to avoid warning
489c9b5090e2 Initial load
duke
parents:
diff changeset
   676
  set_high(&result, x.HighPart);
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
   677
  set_low(&result, x.LowPart);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   678
  return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   679
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   680
489c9b5090e2 Initial load
duke
parents:
diff changeset
   681
489c9b5090e2 Initial load
duke
parents:
diff changeset
   682
jlong os::elapsed_counter() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   683
  LARGE_INTEGER count;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   684
  QueryPerformanceCounter(&count);
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   685
  return as_long(count) - initial_performance_count;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   686
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   687
489c9b5090e2 Initial load
duke
parents:
diff changeset
   688
489c9b5090e2 Initial load
duke
parents:
diff changeset
   689
jlong os::elapsed_frequency() {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   690
  return performance_frequency;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   691
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   692
489c9b5090e2 Initial load
duke
parents:
diff changeset
   693
489c9b5090e2 Initial load
duke
parents:
diff changeset
   694
julong os::available_memory() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   695
  return win32::available_memory();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   696
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   697
489c9b5090e2 Initial load
duke
parents:
diff changeset
   698
julong os::win32::available_memory() {
3577
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
   699
  // Use GlobalMemoryStatusEx() because GlobalMemoryStatus() may return incorrect
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
   700
  // value if total memory is larger than 4GB
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
   701
  MEMORYSTATUSEX ms;
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
   702
  ms.dwLength = sizeof(ms);
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
   703
  GlobalMemoryStatusEx(&ms);
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
   704
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
   705
  return (julong)ms.ullAvailPhys;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   706
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   707
489c9b5090e2 Initial load
duke
parents:
diff changeset
   708
julong os::physical_memory() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   709
  return win32::physical_memory();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   710
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   711
16605
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 15927
diff changeset
   712
bool os::has_allocatable_memory_limit(julong* limit) {
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 15927
diff changeset
   713
  MEMORYSTATUSEX ms;
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 15927
diff changeset
   714
  ms.dwLength = sizeof(ms);
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 15927
diff changeset
   715
  GlobalMemoryStatusEx(&ms);
193
171c404abf72 6629887: 64-bit windows should not restrict default heap size to 1400m
phh
parents: 1
diff changeset
   716
#ifdef _LP64
16605
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 15927
diff changeset
   717
  *limit = (julong)ms.ullAvailVirtual;
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 15927
diff changeset
   718
  return true;
193
171c404abf72 6629887: 64-bit windows should not restrict default heap size to 1400m
phh
parents: 1
diff changeset
   719
#else
171c404abf72 6629887: 64-bit windows should not restrict default heap size to 1400m
phh
parents: 1
diff changeset
   720
  // Limit to 1400m because of the 2gb address space wall
16605
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 15927
diff changeset
   721
  *limit = MIN2((julong)1400*M, (julong)ms.ullAvailVirtual);
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 15927
diff changeset
   722
  return true;
193
171c404abf72 6629887: 64-bit windows should not restrict default heap size to 1400m
phh
parents: 1
diff changeset
   723
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   724
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   725
489c9b5090e2 Initial load
duke
parents:
diff changeset
   726
int os::active_processor_count() {
47903
7f22774a5f42 8146115: Improve docker container detection and resource configuration usage
bobv
parents: 47892
diff changeset
   727
  // User has overridden the number of active processors
7f22774a5f42 8146115: Improve docker container detection and resource configuration usage
bobv
parents: 47892
diff changeset
   728
  if (ActiveProcessorCount > 0) {
7f22774a5f42 8146115: Improve docker container detection and resource configuration usage
bobv
parents: 47892
diff changeset
   729
    log_trace(os)("active_processor_count: "
7f22774a5f42 8146115: Improve docker container detection and resource configuration usage
bobv
parents: 47892
diff changeset
   730
                  "active processor count set by user : %d",
7f22774a5f42 8146115: Improve docker container detection and resource configuration usage
bobv
parents: 47892
diff changeset
   731
                  ActiveProcessorCount);
7f22774a5f42 8146115: Improve docker container detection and resource configuration usage
bobv
parents: 47892
diff changeset
   732
    return ActiveProcessorCount;
7f22774a5f42 8146115: Improve docker container detection and resource configuration usage
bobv
parents: 47892
diff changeset
   733
  }
7f22774a5f42 8146115: Improve docker container detection and resource configuration usage
bobv
parents: 47892
diff changeset
   734
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   735
  DWORD_PTR lpProcessAffinityMask = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   736
  DWORD_PTR lpSystemAffinityMask = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   737
  int proc_count = processor_count();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   738
  if (proc_count <= sizeof(UINT_PTR) * BitsPerByte &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   739
      GetProcessAffinityMask(GetCurrentProcess(), &lpProcessAffinityMask, &lpSystemAffinityMask)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   740
    // Nof active processors is number of bits in process affinity mask
489c9b5090e2 Initial load
duke
parents:
diff changeset
   741
    int bitcount = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   742
    while (lpProcessAffinityMask != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   743
      lpProcessAffinityMask = lpProcessAffinityMask & (lpProcessAffinityMask-1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   744
      bitcount++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   745
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   746
    return bitcount;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   747
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   748
    return proc_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   749
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   750
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   751
10739
91935236600e 7098194: integrate macosx-port changes
dcubed
parents: 10536
diff changeset
   752
void os::set_native_thread_name(const char *name) {
27164
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   753
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   754
  // See: http://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   755
  //
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   756
  // Note that unfortunately this only works if the process
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   757
  // is already attached to a debugger; debugger must observe
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   758
  // the exception below to show the correct name.
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   759
43438
af4378756105 8079441: Intermittent failures on Windows with "Unexpected exit from test [exit code: 1080890248]" (0x406d1388)
rehn
parents: 42066
diff changeset
   760
  // If there is no debugger attached skip raising the exception
af4378756105 8079441: Intermittent failures on Windows with "Unexpected exit from test [exit code: 1080890248]" (0x406d1388)
rehn
parents: 42066
diff changeset
   761
  if (!IsDebuggerPresent()) {
af4378756105 8079441: Intermittent failures on Windows with "Unexpected exit from test [exit code: 1080890248]" (0x406d1388)
rehn
parents: 42066
diff changeset
   762
    return;
af4378756105 8079441: Intermittent failures on Windows with "Unexpected exit from test [exit code: 1080890248]" (0x406d1388)
rehn
parents: 42066
diff changeset
   763
  }
af4378756105 8079441: Intermittent failures on Windows with "Unexpected exit from test [exit code: 1080890248]" (0x406d1388)
rehn
parents: 42066
diff changeset
   764
27164
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   765
  const DWORD MS_VC_EXCEPTION = 0x406D1388;
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   766
  struct {
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   767
    DWORD dwType;     // must be 0x1000
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   768
    LPCSTR szName;    // pointer to name (in user addr space)
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   769
    DWORD dwThreadID; // thread ID (-1=caller thread)
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   770
    DWORD dwFlags;    // reserved for future use, must be zero
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   771
  } info;
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   772
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   773
  info.dwType = 0x1000;
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   774
  info.szName = name;
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   775
  info.dwThreadID = -1;
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   776
  info.dwFlags = 0;
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   777
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   778
  __try {
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   779
    RaiseException (MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(DWORD), (const ULONG_PTR*)&info );
41717
ca79023acae8 8165526: Kitchensink sudden death - error code 0x406d1388
rehn
parents: 41314
diff changeset
   780
  } __except(EXCEPTION_EXECUTE_HANDLER) {}
10739
91935236600e 7098194: integrate macosx-port changes
dcubed
parents: 10536
diff changeset
   781
}
91935236600e 7098194: integrate macosx-port changes
dcubed
parents: 10536
diff changeset
   782
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   783
bool os::distribute_processes(uint length, uint* distribution) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   784
  // Not yet implemented.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   785
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   786
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   787
489c9b5090e2 Initial load
duke
parents:
diff changeset
   788
bool os::bind_to_processor(uint processor_id) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   789
  // Not yet implemented.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   790
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   791
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   792
22891
1f5d1fff23fa 6546236: Thread interrupt() of Thread.sleep() can be lost on Solaris due to race with signal handler
fparain
parents: 22734
diff changeset
   793
void os::win32::initialize_performance_counter() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   794
  LARGE_INTEGER count;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   795
  QueryPerformanceFrequency(&count);
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   796
  performance_frequency = as_long(count);
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   797
  QueryPerformanceCounter(&count);
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   798
  initial_performance_count = as_long(count);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   799
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   800
489c9b5090e2 Initial load
duke
parents:
diff changeset
   801
489c9b5090e2 Initial load
duke
parents:
diff changeset
   802
double os::elapsedTime() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   803
  return (double) elapsed_counter() / (double) elapsed_frequency();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   804
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   805
489c9b5090e2 Initial load
duke
parents:
diff changeset
   806
489c9b5090e2 Initial load
duke
parents:
diff changeset
   807
// Windows format:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   808
//   The FILETIME structure is a 64-bit value representing the number of 100-nanosecond intervals since January 1, 1601.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   809
// Java format:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   810
//   Java standards require the number of milliseconds since 1/1/1970
489c9b5090e2 Initial load
duke
parents:
diff changeset
   811
489c9b5090e2 Initial load
duke
parents:
diff changeset
   812
// Constant offset - calculated using offset()
489c9b5090e2 Initial load
duke
parents:
diff changeset
   813
static jlong  _offset   = 116444736000000000;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   814
// Fake time counter for reproducible results when debugging
489c9b5090e2 Initial load
duke
parents:
diff changeset
   815
static jlong  fake_time = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   816
489c9b5090e2 Initial load
duke
parents:
diff changeset
   817
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   818
// Just to be safe, recalculate the offset in debug mode
489c9b5090e2 Initial load
duke
parents:
diff changeset
   819
static jlong _calculated_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   820
static int   _has_calculated_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   821
489c9b5090e2 Initial load
duke
parents:
diff changeset
   822
jlong offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   823
  if (_has_calculated_offset) return _calculated_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   824
  SYSTEMTIME java_origin;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   825
  java_origin.wYear          = 1970;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   826
  java_origin.wMonth         = 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   827
  java_origin.wDayOfWeek     = 0; // ignored
489c9b5090e2 Initial load
duke
parents:
diff changeset
   828
  java_origin.wDay           = 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   829
  java_origin.wHour          = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   830
  java_origin.wMinute        = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   831
  java_origin.wSecond        = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   832
  java_origin.wMilliseconds  = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   833
  FILETIME jot;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   834
  if (!SystemTimeToFileTime(&java_origin, &jot)) {
33105
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 32748
diff changeset
   835
    fatal("Error = %d\nWindows error", GetLastError());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   836
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   837
  _calculated_offset = jlong_from(jot.dwHighDateTime, jot.dwLowDateTime);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   838
  _has_calculated_offset = 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   839
  assert(_calculated_offset == _offset, "Calculated and constant time offsets must be equal");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   840
  return _calculated_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   841
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   842
#else
489c9b5090e2 Initial load
duke
parents:
diff changeset
   843
jlong offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   844
  return _offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   845
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   846
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   847
489c9b5090e2 Initial load
duke
parents:
diff changeset
   848
jlong windows_to_java_time(FILETIME wt) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   849
  jlong a = jlong_from(wt.dwHighDateTime, wt.dwLowDateTime);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   850
  return (a - offset()) / 10000;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   851
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   852
28737
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   853
// Returns time ticks in (10th of micro seconds)
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   854
jlong windows_to_time_ticks(FILETIME wt) {
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   855
  jlong a = jlong_from(wt.dwHighDateTime, wt.dwLowDateTime);
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   856
  return (a - offset());
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   857
}
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   858
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   859
FILETIME java_to_windows_time(jlong l) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   860
  jlong a = (l * 10000) + offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   861
  FILETIME result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   862
  result.dwHighDateTime = high(a);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   863
  result.dwLowDateTime  = low(a);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   864
  return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   865
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   866
17854
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   867
bool os::supports_vtime() { return true; }
1374
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
   868
bool os::enable_vtime() { return false; }
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
   869
bool os::vtime_enabled() { return false; }
17854
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   870
1374
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
   871
double os::elapsedVTime() {
17854
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   872
  FILETIME created;
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   873
  FILETIME exited;
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   874
  FILETIME kernel;
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   875
  FILETIME user;
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   876
  if (GetThreadTimes(GetCurrentThread(), &created, &exited, &kernel, &user) != 0) {
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   877
    // the resolution of windows_to_java_time() should be sufficient (ms)
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   878
    return (double) (windows_to_java_time(kernel) + windows_to_java_time(user)) / MILLIUNITS;
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   879
  } else {
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   880
    return elapsedTime();
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   881
  }
1374
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
   882
}
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
   883
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   884
jlong os::javaTimeMillis() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   885
  if (UseFakeTimers) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   886
    return fake_time++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   887
  } else {
234
4da9c1bbc810 6667833: Remove CacheTimeMillis
sbohne
parents: 1
diff changeset
   888
    FILETIME wt;
4da9c1bbc810 6667833: Remove CacheTimeMillis
sbohne
parents: 1
diff changeset
   889
    GetSystemTimeAsFileTime(&wt);
4da9c1bbc810 6667833: Remove CacheTimeMillis
sbohne
parents: 1
diff changeset
   890
    return windows_to_java_time(wt);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   891
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   892
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   893
28737
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   894
void os::javaTimeSystemUTC(jlong &seconds, jlong &nanos) {
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   895
  FILETIME wt;
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   896
  GetSystemTimeAsFileTime(&wt);
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   897
  jlong ticks = windows_to_time_ticks(wt); // 10th of micros
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   898
  jlong secs = jlong(ticks / 10000000); // 10000 * 1000
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   899
  seconds = secs;
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   900
  nanos = jlong(ticks - (secs*10000000)) * 100;
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   901
}
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   902
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   903
jlong os::javaTimeNanos() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   904
    LARGE_INTEGER current_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   905
    QueryPerformanceCounter(&current_count);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   906
    double current = as_long(current_count);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   907
    double freq = performance_frequency;
11251
e29da6b5622b 7117303: VM uses non-monotonic time source and complains that it is non-monotonic
johnc
parents: 10739
diff changeset
   908
    jlong time = (jlong)((current/freq) * NANOSECS_PER_SEC);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   909
    return time;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   910
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   911
489c9b5090e2 Initial load
duke
parents:
diff changeset
   912
void os::javaTimeNanos_info(jvmtiTimerInfo *info_ptr) {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   913
  jlong freq = performance_frequency;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   914
  if (freq < NANOSECS_PER_SEC) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   915
    // the performance counter is 64 bits and we will
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   916
    // be multiplying it -- so no wrap in 64 bits
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   917
    info_ptr->max_value = ALL_64_BITS;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   918
  } else if (freq > NANOSECS_PER_SEC) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   919
    // use the max value the counter can reach to
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   920
    // determine the max value which could be returned
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   921
    julong max_counter = (julong)ALL_64_BITS;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   922
    info_ptr->max_value = (jlong)(max_counter / (freq / NANOSECS_PER_SEC));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   923
  } else {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   924
    // the performance counter is 64 bits and we will
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   925
    // be using it directly -- so no wrap in 64 bits
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   926
    info_ptr->max_value = ALL_64_BITS;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   927
  }
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   928
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   929
  // using a counter, so no skipping
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   930
  info_ptr->may_skip_backward = false;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   931
  info_ptr->may_skip_forward = false;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   932
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   933
  info_ptr->kind = JVMTI_TIMER_ELAPSED;                // elapsed not CPU time
489c9b5090e2 Initial load
duke
parents:
diff changeset
   934
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   935
489c9b5090e2 Initial load
duke
parents:
diff changeset
   936
char* os::local_time_string(char *buf, size_t buflen) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   937
  SYSTEMTIME st;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   938
  GetLocalTime(&st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   939
  jio_snprintf(buf, buflen, "%d-%02d-%02d %02d:%02d:%02d",
489c9b5090e2 Initial load
duke
parents:
diff changeset
   940
               st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute, st.wSecond);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   941
  return buf;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   942
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   943
489c9b5090e2 Initial load
duke
parents:
diff changeset
   944
bool os::getTimesSecs(double* process_real_time,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   945
                      double* process_user_time,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   946
                      double* process_system_time) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   947
  HANDLE h_process = GetCurrentProcess();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   948
  FILETIME create_time, exit_time, kernel_time, user_time;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   949
  BOOL result = GetProcessTimes(h_process,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   950
                                &create_time,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   951
                                &exit_time,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   952
                                &kernel_time,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   953
                                &user_time);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   954
  if (result != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   955
    FILETIME wt;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   956
    GetSystemTimeAsFileTime(&wt);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   957
    jlong rtc_millis = windows_to_java_time(wt);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   958
    *process_real_time = ((double) rtc_millis) / ((double) MILLIUNITS);
36571
350fddc3a0c6 8150843: [windows] os::getTimesSecs() returns negative values for kernel, user times
stuefe
parents: 36379
diff changeset
   959
    *process_user_time =
350fddc3a0c6 8150843: [windows] os::getTimesSecs() returns negative values for kernel, user times
stuefe
parents: 36379
diff changeset
   960
      (double) jlong_from(user_time.dwHighDateTime, user_time.dwLowDateTime) / (10 * MICROUNITS);
350fddc3a0c6 8150843: [windows] os::getTimesSecs() returns negative values for kernel, user times
stuefe
parents: 36379
diff changeset
   961
    *process_system_time =
350fddc3a0c6 8150843: [windows] os::getTimesSecs() returns negative values for kernel, user times
stuefe
parents: 36379
diff changeset
   962
      (double) jlong_from(kernel_time.dwHighDateTime, kernel_time.dwLowDateTime) / (10 * MICROUNITS);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   963
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   964
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   965
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   966
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   967
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   968
489c9b5090e2 Initial load
duke
parents:
diff changeset
   969
void os::shutdown() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   970
  // allow PerfMemory to attempt cleanup of any persistent resources
489c9b5090e2 Initial load
duke
parents:
diff changeset
   971
  perfMemory_exit();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   972
489c9b5090e2 Initial load
duke
parents:
diff changeset
   973
  // flush buffered output, finish log files
489c9b5090e2 Initial load
duke
parents:
diff changeset
   974
  ostream_abort();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   975
489c9b5090e2 Initial load
duke
parents:
diff changeset
   976
  // Check for abort hook
489c9b5090e2 Initial load
duke
parents:
diff changeset
   977
  abort_hook_t abort_hook = Arguments::abort_hook();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   978
  if (abort_hook != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   979
    abort_hook();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   980
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   981
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   982
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
   983
30240
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   984
static HANDLE dumpFile = NULL;
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   985
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   986
// Check if dump file can be created.
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   987
void os::check_dump_limit(char* buffer, size_t buffsz) {
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   988
  bool status = true;
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   989
  if (!FLAG_IS_DEFAULT(CreateCoredumpOnCrash) && !CreateCoredumpOnCrash) {
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   990
    jio_snprintf(buffer, buffsz, "CreateCoredumpOnCrash is disabled from command line");
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   991
    status = false;
31025
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   992
  }
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   993
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   994
#ifndef ASSERT
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   995
  if (!os::win32::is_windows_server() && FLAG_IS_DEFAULT(CreateCoredumpOnCrash)) {
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   996
    jio_snprintf(buffer, buffsz, "Minidumps are not enabled by default on client versions of Windows");
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   997
    status = false;
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   998
  }
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   999
#endif
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
  1000
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
  1001
  if (status) {
30240
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1002
    const char* cwd = get_current_directory(NULL, 0);
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1003
    int pid = current_process_id();
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1004
    if (cwd != NULL) {
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1005
      jio_snprintf(buffer, buffsz, "%s\\hs_err_pid%u.mdmp", cwd, pid);
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1006
    } else {
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1007
      jio_snprintf(buffer, buffsz, ".\\hs_err_pid%u.mdmp", pid);
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1008
    }
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1009
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1010
    if (dumpFile == NULL &&
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1011
       (dumpFile = CreateFile(buffer, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL))
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1012
                 == INVALID_HANDLE_VALUE) {
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1013
      jio_snprintf(buffer, buffsz, "Failed to create minidump file (0x%x).", GetLastError());
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1014
      status = false;
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1015
    }
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1016
  }
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1017
  VMError::record_coredump_status(buffer, status);
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1018
}
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1019
35077
8b86440d3bf1 8145114: const-correctness for ucontext_t* reading functions
stuefe
parents: 35071
diff changeset
  1020
void os::abort(bool dump_core, void* siginfo, const void* context) {
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1021
  EXCEPTION_POINTERS ep;
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1022
  MINIDUMP_EXCEPTION_INFORMATION mei;
9167
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1023
  MINIDUMP_EXCEPTION_INFORMATION* pmei;
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1024
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1025
  HANDLE hProcess = GetCurrentProcess();
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1026
  DWORD processId = GetCurrentProcessId();
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1027
  MINIDUMP_TYPE dumpType;
30240
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1028
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1029
  shutdown();
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1030
  if (!dump_core || dumpFile == NULL) {
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1031
    if (dumpFile != NULL) {
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1032
      CloseHandle(dumpFile);
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1033
    }
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1034
    win32::exit_process_or_thread(win32::EPT_PROCESS, 1);
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1035
  }
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1036
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  1037
  dumpType = (MINIDUMP_TYPE)(MiniDumpWithFullMemory | MiniDumpWithHandleData |
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  1038
    MiniDumpWithFullMemoryInfo | MiniDumpWithThreadInfo | MiniDumpWithUnloadedModules);
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1039
30240
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1040
  if (siginfo != NULL && context != NULL) {
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1041
    ep.ContextRecord = (PCONTEXT) context;
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1042
    ep.ExceptionRecord = (PEXCEPTION_RECORD) siginfo;
9167
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1043
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1044
    mei.ThreadId = GetCurrentThreadId();
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1045
    mei.ExceptionPointers = &ep;
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1046
    pmei = &mei;
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1047
  } else {
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1048
    pmei = NULL;
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1049
  }
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1050
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1051
  // Older versions of dbghelp.dll (the one shipped with Win2003 for example) may not support all
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1052
  // the dump types we really want. If first call fails, lets fall back to just use MiniDumpWithFullMemory then.
47086
2b35673f6297 8186349: [windows] Centralize dbghelp handling code
stuefe
parents: 46644
diff changeset
  1053
  if (!WindowsDbgHelp::miniDumpWriteDump(hProcess, processId, dumpFile, dumpType, pmei, NULL, NULL) &&
2b35673f6297 8186349: [windows] Centralize dbghelp handling code
stuefe
parents: 46644
diff changeset
  1054
      !WindowsDbgHelp::miniDumpWriteDump(hProcess, processId, dumpFile, (MINIDUMP_TYPE)MiniDumpWithFullMemory, pmei, NULL, NULL)) {
30240
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1055
    jio_fprintf(stderr, "Call to MiniDumpWriteDump() failed (Error 0x%x)\n", GetLastError());
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1056
  }
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1057
  CloseHandle(dumpFile);
30240
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1058
  win32::exit_process_or_thread(win32::EPT_PROCESS, 1);
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1059
}
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1060
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1061
// Die immediately, no exit hook, no abort hook, no cleanup.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1062
void os::die() {
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  1063
  win32::exit_process_or_thread(win32::EPT_PROCESS_DIE, -1);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1064
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1065
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1066
// Directory routines copied from src/win32/native/java/io/dirent_md.c
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1067
//  * dirent_md.c       1.15 00/02/02
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1068
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1069
// The declarations for DIR and struct dirent are in jvm_win32.h.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1070
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1071
// Caller must have already run dirname through JVM_NativePath, which removes
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1072
// duplicate slashes and converts all instances of '/' into '\\'.
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1073
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1074
DIR * os::opendir(const char *dirname) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1075
  assert(dirname != NULL, "just checking");   // hotspot change
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1076
  DIR *dirp = (DIR *)malloc(sizeof(DIR), mtInternal);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1077
  DWORD fattr;                                // hotspot change
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1078
  char alt_dirname[4] = { 0, 0, 0, 0 };
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1079
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1080
  if (dirp == 0) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1081
    errno = ENOMEM;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1082
    return 0;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1083
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1084
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1085
  // Win32 accepts "\" in its POSIX stat(), but refuses to treat it
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1086
  // as a directory in FindFirstFile().  We detect this case here and
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1087
  // prepend the current drive name.
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1088
  //
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1089
  if (dirname[1] == '\0' && dirname[0] == '\\') {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1090
    alt_dirname[0] = _getdrive() + 'A' - 1;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1091
    alt_dirname[1] = ':';
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1092
    alt_dirname[2] = '\\';
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1093
    alt_dirname[3] = '\0';
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1094
    dirname = alt_dirname;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1095
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1096
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1097
  dirp->path = (char *)malloc(strlen(dirname) + 5, mtInternal);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1098
  if (dirp->path == 0) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1099
    free(dirp);
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1100
    errno = ENOMEM;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1101
    return 0;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1102
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1103
  strcpy(dirp->path, dirname);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1104
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1105
  fattr = GetFileAttributes(dirp->path);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1106
  if (fattr == 0xffffffff) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1107
    free(dirp->path);
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1108
    free(dirp);
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1109
    errno = ENOENT;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1110
    return 0;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1111
  } else if ((fattr & FILE_ATTRIBUTE_DIRECTORY) == 0) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1112
    free(dirp->path);
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1113
    free(dirp);
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1114
    errno = ENOTDIR;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1115
    return 0;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1116
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1117
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1118
  // Append "*.*", or possibly "\\*.*", to path
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1119
  if (dirp->path[1] == ':' &&
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1120
      (dirp->path[2] == '\0' ||
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1121
      (dirp->path[2] == '\\' && dirp->path[3] == '\0'))) {
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1122
    // No '\\' needed for cases like "Z:" or "Z:\"
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1123
    strcat(dirp->path, "*.*");
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1124
  } else {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1125
    strcat(dirp->path, "\\*.*");
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1126
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1127
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1128
  dirp->handle = FindFirstFile(dirp->path, &dirp->find_data);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1129
  if (dirp->handle == INVALID_HANDLE_VALUE) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1130
    if (GetLastError() != ERROR_FILE_NOT_FOUND) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1131
      free(dirp->path);
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1132
      free(dirp);
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1133
      errno = EACCES;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1134
      return 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1135
    }
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1136
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1137
  return dirp;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1138
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1139
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1140
// parameter dbuf unused on Windows
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1141
struct dirent * os::readdir(DIR *dirp, dirent *dbuf) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1142
  assert(dirp != NULL, "just checking");      // hotspot change
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1143
  if (dirp->handle == INVALID_HANDLE_VALUE) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1144
    return 0;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1145
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1146
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1147
  strcpy(dirp->dirent.d_name, dirp->find_data.cFileName);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1148
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1149
  if (!FindNextFile(dirp->handle, &dirp->find_data)) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1150
    if (GetLastError() == ERROR_INVALID_HANDLE) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1151
      errno = EBADF;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1152
      return 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1153
    }
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1154
    FindClose(dirp->handle);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1155
    dirp->handle = INVALID_HANDLE_VALUE;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1156
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1157
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1158
  return &dirp->dirent;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1159
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1160
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1161
int os::closedir(DIR *dirp) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1162
  assert(dirp != NULL, "just checking");      // hotspot change
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1163
  if (dirp->handle != INVALID_HANDLE_VALUE) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1164
    if (!FindClose(dirp->handle)) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1165
      errno = EBADF;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1166
      return -1;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1167
    }
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1168
    dirp->handle = INVALID_HANDLE_VALUE;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1169
  }
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1170
  free(dirp->path);
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1171
  free(dirp);
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1172
  return 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1173
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1174
7901
ea3d83447861 7009828: Fix for 6938627 breaks visualvm monitoring when -Djava.io.tmpdir is defined
coleenp
parents: 7693
diff changeset
  1175
// This must be hard coded because it's the system's temporary
ea3d83447861 7009828: Fix for 6938627 breaks visualvm monitoring when -Djava.io.tmpdir is defined
coleenp
parents: 7693
diff changeset
  1176
// directory not the java application's temp directory, ala java.io.tmpdir.
5237
aab592fd4f44 6938627: Make temporary directory use property java.io.tmpdir when specified
coleenp
parents: 5085
diff changeset
  1177
const char* os::get_temp_directory() {
aab592fd4f44 6938627: Make temporary directory use property java.io.tmpdir when specified
coleenp
parents: 5085
diff changeset
  1178
  static char path_buf[MAX_PATH];
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1179
  if (GetTempPath(MAX_PATH, path_buf) > 0) {
5237
aab592fd4f44 6938627: Make temporary directory use property java.io.tmpdir when specified
coleenp
parents: 5085
diff changeset
  1180
    return path_buf;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1181
  } else {
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1182
    path_buf[0] = '\0';
5237
aab592fd4f44 6938627: Make temporary directory use property java.io.tmpdir when specified
coleenp
parents: 5085
diff changeset
  1183
    return path_buf;
aab592fd4f44 6938627: Make temporary directory use property java.io.tmpdir when specified
coleenp
parents: 5085
diff changeset
  1184
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1185
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1186
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1187
// Needs to be in os specific directory because windows requires another
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1188
// header file <direct.h>
17121
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 17006
diff changeset
  1189
const char* os::get_current_directory(char *buf, size_t buflen) {
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 17006
diff changeset
  1190
  int n = static_cast<int>(buflen);
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 17006
diff changeset
  1191
  if (buflen > INT_MAX)  n = INT_MAX;
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 17006
diff changeset
  1192
  return _getcwd(buf, n);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1193
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1194
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1195
//-----------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1196
// Helper functions for fatal error handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1197
#ifdef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1198
// Helper routine which returns true if address in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1199
// within the NTDLL address space.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1200
//
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1201
static bool _addr_in_ntdll(address addr) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1202
  HMODULE hmod;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1203
  MODULEINFO minfo;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1204
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1205
  hmod = GetModuleHandle("NTDLL.DLL");
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  1206
  if (hmod == NULL) return false;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  1207
  if (!GetModuleInformation(GetCurrentProcess(), hmod,
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1208
                                          &minfo, sizeof(MODULEINFO))) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1209
    return false;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1210
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1211
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  1212
  if ((addr >= minfo.lpBaseOfDll) &&
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1213
      (addr < (address)((uintptr_t)minfo.lpBaseOfDll + (uintptr_t)minfo.SizeOfImage))) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1214
    return true;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1215
  } else {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1216
    return false;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1217
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1218
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1219
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1220
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1221
struct _modinfo {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1222
  address addr;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1223
  char*   full_path;   // point to a char buffer
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1224
  int     buflen;      // size of the buffer
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1225
  address base_addr;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1226
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1227
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1228
static int _locate_module_by_addr(const char * mod_fname, address base_addr,
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1229
                                  address top_address, void * param) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1230
  struct _modinfo *pmod = (struct _modinfo *)param;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1231
  if (!pmod) return -1;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1232
26685
dcubed
parents: 26682 26684
diff changeset
  1233
  if (base_addr   <= pmod->addr &&
dcubed
parents: 26682 26684
diff changeset
  1234
      top_address > pmod->addr) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1235
    // if a buffer is provided, copy path name to the buffer
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1236
    if (pmod->full_path) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1237
      jio_snprintf(pmod->full_path, pmod->buflen, "%s", mod_fname);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1238
    }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1239
    pmod->base_addr = base_addr;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1240
    return 1;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1241
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1242
  return 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1243
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1244
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1245
bool os::dll_address_to_library_name(address addr, char* buf,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1246
                                     int buflen, int* offset) {
18683
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1247
  // buf is not optional, but offset is optional
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1248
  assert(buf != NULL, "sanity check");
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1249
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1250
// NOTE: the reason we don't use SymGetModuleInfo() is it doesn't always
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1251
//       return the full path to the DLL file, sometimes it returns path
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1252
//       to the corresponding PDB file (debug info); sometimes it only
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1253
//       returns partial path, which makes life painful.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1254
18683
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1255
  struct _modinfo mi;
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1256
  mi.addr      = addr;
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1257
  mi.full_path = buf;
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1258
  mi.buflen    = buflen;
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1259
  if (get_loaded_modules_info(_locate_module_by_addr, (void *)&mi)) {
18683
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1260
    // buf already contains path name
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1261
    if (offset) *offset = addr - mi.base_addr;
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1262
    return true;
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1263
  }
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1264
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1265
  buf[0] = '\0';
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1266
  if (offset) *offset = -1;
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1267
  return false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1268
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1269
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1270
bool os::dll_address_to_function_name(address addr, char *buf,
31352
a6ab7217b5cc 8079473: allow demangling to be optional in dll_address_to_function_name
bdelsart
parents: 31026
diff changeset
  1271
                                      int buflen, int *offset,
a6ab7217b5cc 8079473: allow demangling to be optional in dll_address_to_function_name
bdelsart
parents: 31026
diff changeset
  1272
                                      bool demangle) {
18683
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1273
  // buf is not optional, but offset is optional
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1274
  assert(buf != NULL, "sanity check");
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1275
31352
a6ab7217b5cc 8079473: allow demangling to be optional in dll_address_to_function_name
bdelsart
parents: 31026
diff changeset
  1276
  if (Decoder::decode(addr, buf, buflen, offset, demangle)) {
7447
32c42d627f41 7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents: 7397
diff changeset
  1277
    return true;
32c42d627f41 7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents: 7397
diff changeset
  1278
  }
32c42d627f41 7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents: 7397
diff changeset
  1279
  if (offset != NULL)  *offset  = -1;
18683
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1280
  buf[0] = '\0';
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1281
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1282
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1283
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1284
// save the start and end address of jvm.dll into param[0] and param[1]
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1285
static int _locate_jvm_dll(const char* mod_fname, address base_addr,
26685
dcubed
parents: 26682 26684
diff changeset
  1286
                           address top_address, void * param) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1287
  if (!param) return -1;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1288
26685
dcubed
parents: 26682 26684
diff changeset
  1289
  if (base_addr   <= (address)_locate_jvm_dll &&
dcubed
parents: 26682 26684
diff changeset
  1290
      top_address > (address)_locate_jvm_dll) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1291
    ((address*)param)[0] = base_addr;
26685
dcubed
parents: 26682 26684
diff changeset
  1292
    ((address*)param)[1] = top_address;
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1293
    return 1;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1294
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1295
  return 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1296
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1297
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1298
address vm_lib_location[2];    // start and end address of jvm.dll
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1299
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1300
// check if addr is inside jvm.dll
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1301
bool os::address_is_in_vm(address addr) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1302
  if (!vm_lib_location[0] || !vm_lib_location[1]) {
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1303
    if (!get_loaded_modules_info(_locate_jvm_dll, (void *)vm_lib_location)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1304
      assert(false, "Can't find jvm module.");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1305
      return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1306
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1307
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1308
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1309
  return (vm_lib_location[0] <= addr) && (addr < vm_lib_location[1]);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1310
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1311
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1312
// print module info; param is outputStream*
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1313
static int _print_module(const char* fname, address base_address,
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1314
                         address top_address, void* param) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1315
  if (!param) return -1;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1316
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1317
  outputStream* st = (outputStream*)param;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1318
26685
dcubed
parents: 26682 26684
diff changeset
  1319
  st->print(PTR_FORMAT " - " PTR_FORMAT " \t%s\n", base_address, top_address, fname);
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1320
  return 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1321
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1322
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1323
// Loads .dll/.so and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1324
// in case of error it checks if .dll/.so was built for the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1325
// same architecture as Hotspot is running on
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1326
void * os::dll_load(const char *name, char *ebuf, int ebuflen) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1327
  void * result = LoadLibrary(name);
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1328
  if (result != NULL) {
47666
19219ec3f176 8185712: [windows] Improve native symbol decoder
goetz
parents: 47552
diff changeset
  1329
    // Recalculate pdb search path if a DLL was loaded successfully.
19219ec3f176 8185712: [windows] Improve native symbol decoder
goetz
parents: 47552
diff changeset
  1330
    SymbolEngine::recalc_search_path();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1331
    return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1332
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1333
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1334
  DWORD errcode = GetLastError();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1335
  if (errcode == ERROR_MOD_NOT_FOUND) {
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1336
    strncpy(ebuf, "Can't find dependent libraries", ebuflen - 1);
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1337
    ebuf[ebuflen - 1] = '\0';
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1338
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1339
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1340
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1341
  // Parsing dll below
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1342
  // If we can read dll-info and find that dll was built
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1343
  // for an architecture other than Hotspot is running in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1344
  // - then print to buffer "DLL was built for a different architecture"
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1345
  // else call os::lasterror to obtain system error message
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1346
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1347
  // Read system error message into ebuf
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1348
  // It may or may not be overwritten below (in the for loop and just above)
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1349
  lasterror(ebuf, (size_t) ebuflen);
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1350
  ebuf[ebuflen - 1] = '\0';
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1351
  int fd = ::open(name, O_RDONLY | O_BINARY, 0);
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1352
  if (fd < 0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1353
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1354
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1355
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1356
  uint32_t signature_offset;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1357
  uint16_t lib_arch = 0;
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1358
  bool failed_to_get_lib_arch =
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1359
    ( // Go to position 3c in the dll
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1360
     (os::seek_to_file_offset(fd, IMAGE_FILE_PTR_TO_SIGNATURE) < 0)
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1361
     ||
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1362
     // Read location of signature
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1363
     (sizeof(signature_offset) !=
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1364
     (os::read(fd, (void*)&signature_offset, sizeof(signature_offset))))
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1365
     ||
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1366
     // Go to COFF File Header in dll
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1367
     // that is located after "signature" (4 bytes long)
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1368
     (os::seek_to_file_offset(fd,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1369
     signature_offset + IMAGE_FILE_SIGNATURE_LENGTH) < 0)
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1370
     ||
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1371
     // Read field that contains code of architecture
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1372
     // that dll was built for
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1373
     (sizeof(lib_arch) != (os::read(fd, (void*)&lib_arch, sizeof(lib_arch))))
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1374
    );
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1375
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1376
  ::close(fd);
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1377
  if (failed_to_get_lib_arch) {
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1378
    // file i/o error - report os::lasterror(...) msg
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1379
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1380
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1381
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1382
  typedef struct {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1383
    uint16_t arch_code;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1384
    char* arch_name;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1385
  } arch_t;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1386
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1387
  static const arch_t arch_array[] = {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1388
    {IMAGE_FILE_MACHINE_I386,      (char*)"IA 32"},
46529
e473f49d42a7 8166748: Clean out Windows IA64 support
gtriantafill
parents: 46476
diff changeset
  1389
    {IMAGE_FILE_MACHINE_AMD64,     (char*)"AMD 64"}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1390
  };
46529
e473f49d42a7 8166748: Clean out Windows IA64 support
gtriantafill
parents: 46476
diff changeset
  1391
#if (defined _M_AMD64)
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1392
  static const uint16_t running_arch = IMAGE_FILE_MACHINE_AMD64;
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1393
#elif (defined _M_IX86)
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1394
  static const uint16_t running_arch = IMAGE_FILE_MACHINE_I386;
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1395
#else
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1396
  #error Method os::dll_load requires that one of following \
46529
e473f49d42a7 8166748: Clean out Windows IA64 support
gtriantafill
parents: 46476
diff changeset
  1397
         is defined :_M_AMD64 or _M_IX86
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1398
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1399
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1400
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1401
  // Obtain a string for printf operation
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1402
  // lib_arch_str shall contain string what platform this .dll was built for
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1403
  // running_arch_str shall string contain what platform Hotspot was built for
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1404
  char *running_arch_str = NULL, *lib_arch_str = NULL;
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1405
  for (unsigned int i = 0; i < ARRAY_SIZE(arch_array); i++) {
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1406
    if (lib_arch == arch_array[i].arch_code) {
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1407
      lib_arch_str = arch_array[i].arch_name;
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1408
    }
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1409
    if (running_arch == arch_array[i].arch_code) {
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1410
      running_arch_str = arch_array[i].arch_name;
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1411
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1412
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1413
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1414
  assert(running_arch_str,
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1415
         "Didn't find running architecture code in arch_array");
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1416
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1417
  // If the architecture is right
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1418
  // but some other error took place - report os::lasterror(...) msg
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1419
  if (lib_arch == running_arch) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1420
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1421
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1422
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1423
  if (lib_arch_str != NULL) {
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1424
    ::_snprintf(ebuf, ebuflen - 1,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1425
                "Can't load %s-bit .dll on a %s-bit platform",
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1426
                lib_arch_str, running_arch_str);
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1427
  } else {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1428
    // don't know what architecture this dll was build for
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1429
    ::_snprintf(ebuf, ebuflen - 1,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1430
                "Can't load this .dll (machine code=0x%x) on a %s-bit platform",
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1431
                lib_arch, running_arch_str);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1432
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1433
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1434
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1435
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1436
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1437
void os::print_dll_info(outputStream *st) {
26685
dcubed
parents: 26682 26684
diff changeset
  1438
  st->print_cr("Dynamic libraries:");
dcubed
parents: 26682 26684
diff changeset
  1439
  get_loaded_modules_info(_print_module, (void *)st);
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1440
}
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1441
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1442
int os::get_loaded_modules_info(os::LoadedModulesCallbackFunc callback, void *param) {
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1443
  HANDLE   hProcess;
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1444
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1445
# define MAX_NUM_MODULES 128
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1446
  HMODULE     modules[MAX_NUM_MODULES];
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1447
  static char filename[MAX_PATH];
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1448
  int         result = 0;
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1449
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1450
  int pid = os::current_process_id();
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1451
  hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1452
                         FALSE, pid);
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1453
  if (hProcess == NULL) return 0;
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1454
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1455
  DWORD size_needed;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  1456
  if (!EnumProcessModules(hProcess, modules, sizeof(modules), &size_needed)) {
26685
dcubed
parents: 26682 26684
diff changeset
  1457
    CloseHandle(hProcess);
dcubed
parents: 26682 26684
diff changeset
  1458
    return 0;
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1459
  }
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1460
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1461
  // number of modules that are currently loaded
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1462
  int num_modules = size_needed / sizeof(HMODULE);
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1463
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1464
  for (int i = 0; i < MIN2(num_modules, MAX_NUM_MODULES); i++) {
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1465
    // Get Full pathname:
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  1466
    if (!GetModuleFileNameEx(hProcess, modules[i], filename, sizeof(filename))) {
26685
dcubed
parents: 26682 26684
diff changeset
  1467
      filename[0] = '\0';
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1468
    }
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1469
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1470
    MODULEINFO modinfo;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  1471
    if (!GetModuleInformation(hProcess, modules[i], &modinfo, sizeof(modinfo))) {
26685
dcubed
parents: 26682 26684
diff changeset
  1472
      modinfo.lpBaseOfDll = NULL;
dcubed
parents: 26682 26684
diff changeset
  1473
      modinfo.SizeOfImage = 0;
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1474
    }
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1475
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1476
    // Invoke callback function
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1477
    result = callback(filename, (address)modinfo.lpBaseOfDll,
26685
dcubed
parents: 26682 26684
diff changeset
  1478
                      (address)((u8)modinfo.lpBaseOfDll + (u8)modinfo.SizeOfImage), param);
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1479
    if (result) break;
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1480
  }
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1481
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1482
  CloseHandle(hProcess);
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1483
  return result;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1484
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1485
31963
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1486
bool os::get_host_name(char* buf, size_t buflen) {
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1487
  DWORD size = (DWORD)buflen;
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1488
  return (GetComputerNameEx(ComputerNameDnsHostname, buf, &size) == TRUE);
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1489
}
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1490
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1491
void os::get_summary_os_info(char* buf, size_t buflen) {
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1492
  stringStream sst(buf, buflen);
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1493
  os::win32::print_windows_version(&sst);
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1494
  // chop off newline character
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1495
  char* nl = strchr(buf, '\n');
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1496
  if (nl != NULL) *nl = '\0';
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1497
}
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1498
49177
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1499
int os::vsnprintf(char* buf, size_t len, const char* fmt, va_list args) {
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1500
#if _MSC_VER >= 1900
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1501
  // Starting with Visual Studio 2015, vsnprint is C99 compliant.
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1502
  int result = ::vsnprintf(buf, len, fmt, args);
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1503
  // If an encoding error occurred (result < 0) then it's not clear
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1504
  // whether the buffer is NUL terminated, so ensure it is.
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1505
  if ((result < 0) && (len > 0)) {
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1506
    buf[len - 1] = '\0';
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1507
  }
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1508
  return result;
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1509
#else
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1510
  // Before Visual Studio 2015, vsnprintf is not C99 compliant, so use
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1511
  // _vsnprintf, whose behavior seems to be *mostly* consistent across
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1512
  // versions.  However, when len == 0, avoid _vsnprintf too, and just
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1513
  // go straight to _vscprintf.  The output is going to be truncated in
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1514
  // that case, except in the unusual case of empty output.  More
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1515
  // importantly, the documentation for various versions of Visual Studio
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1516
  // are inconsistent about the behavior of _vsnprintf when len == 0,
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1517
  // including it possibly being an error.
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1518
  int result = -1;
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1519
  if (len > 0) {
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1520
    result = _vsnprintf(buf, len, fmt, args);
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1521
    // If output (including NUL terminator) is truncated, the buffer
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1522
    // won't be NUL terminated.  Add the trailing NUL specified by C99.
49317
d17b6a80ae08 8198906: JDK-8196882 breaks VS2013 Win32 builds
kbarrett
parents: 49193
diff changeset
  1523
    if ((result < 0) || ((size_t)result >= len)) {
49177
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1524
      buf[len - 1] = '\0';
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1525
    }
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1526
  }
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1527
  if (result < 0) {
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1528
    result = _vscprintf(fmt, args);
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1529
  }
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1530
  return result;
eebf559c9e0d 8196882: VS2017 Hotspot Defined vsnprintf Function Causes C2084 Already Defined Compilation Error
kbarrett
parents: 49039
diff changeset
  1531
#endif // _MSC_VER dispatch
33766
3290cae587f9 8138916: Logging write function does not allow for long enough messages
rprotacio
parents: 33198
diff changeset
  1532
}
3290cae587f9 8138916: Logging write function does not allow for long enough messages
rprotacio
parents: 33198
diff changeset
  1533
37465
1d5551f466ee 8146879: Add option for handling existing log files in UL
mlarsson
parents: 37462
diff changeset
  1534
static inline time_t get_mtime(const char* filename) {
1d5551f466ee 8146879: Add option for handling existing log files in UL
mlarsson
parents: 37462
diff changeset
  1535
  struct stat st;
1d5551f466ee 8146879: Add option for handling existing log files in UL
mlarsson
parents: 37462
diff changeset
  1536
  int ret = os::stat(filename, &st);
1d5551f466ee 8146879: Add option for handling existing log files in UL
mlarsson
parents: 37462
diff changeset
  1537
  assert(ret == 0, "failed to stat() file '%s': %s", filename, strerror(errno));
1d5551f466ee 8146879: Add option for handling existing log files in UL
mlarsson
parents: 37462
diff changeset
  1538
  return st.st_mtime;
1d5551f466ee 8146879: Add option for handling existing log files in UL
mlarsson
parents: 37462
diff changeset
  1539
}
1d5551f466ee 8146879: Add option for handling existing log files in UL
mlarsson
parents: 37462
diff changeset
  1540
1d5551f466ee 8146879: Add option for handling existing log files in UL
mlarsson
parents: 37462
diff changeset
  1541
int os::compare_file_modified_times(const char* file1, const char* file2) {
1d5551f466ee 8146879: Add option for handling existing log files in UL
mlarsson
parents: 37462
diff changeset
  1542
  time_t t1 = get_mtime(file1);
1d5551f466ee 8146879: Add option for handling existing log files in UL
mlarsson
parents: 37462
diff changeset
  1543
  time_t t2 = get_mtime(file2);
1d5551f466ee 8146879: Add option for handling existing log files in UL
mlarsson
parents: 37462
diff changeset
  1544
  return t1 - t2;
1d5551f466ee 8146879: Add option for handling existing log files in UL
mlarsson
parents: 37462
diff changeset
  1545
}
1d5551f466ee 8146879: Add option for handling existing log files in UL
mlarsson
parents: 37462
diff changeset
  1546
12735
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1547
void os::print_os_info_brief(outputStream* st) {
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1548
  os::print_os_info(st);
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1549
}
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1550
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1551
void os::print_os_info(outputStream* st) {
26569
5fcbc13c071c 8056930: Output host info under some condition for core dump
minqi
parents: 26557
diff changeset
  1552
#ifdef ASSERT
5fcbc13c071c 8056930: Output host info under some condition for core dump
minqi
parents: 26557
diff changeset
  1553
  char buffer[1024];
31963
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1554
  st->print("HostName: ");
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1555
  if (get_host_name(buffer, sizeof(buffer))) {
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1556
    st->print("%s ", buffer);
26569
5fcbc13c071c 8056930: Output host info under some condition for core dump
minqi
parents: 26557
diff changeset
  1557
  } else {
31963
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1558
    st->print("N/A ");
26569
5fcbc13c071c 8056930: Output host info under some condition for core dump
minqi
parents: 26557
diff changeset
  1559
  }
5fcbc13c071c 8056930: Output host info under some condition for core dump
minqi
parents: 26557
diff changeset
  1560
#endif
31963
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1561
  st->print("OS:");
12735
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1562
  os::win32::print_windows_version(st);
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1563
}
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1564
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1565
void os::win32::print_windows_version(outputStream* st) {
981
29e21b1b7602 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008
xlu
parents: 950
diff changeset
  1566
  OSVERSIONINFOEX osvi;
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1567
  VS_FIXEDFILEINFO *file_info;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1568
  TCHAR kernel32_path[MAX_PATH];
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1569
  UINT len, ret;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1570
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1571
  // Use the GetVersionEx information to see if we're on a server or
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1572
  // workstation edition of Windows. Starting with Windows 8.1 we can't
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1573
  // trust the OS version information returned by this API.
981
29e21b1b7602 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008
xlu
parents: 950
diff changeset
  1574
  ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
29e21b1b7602 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008
xlu
parents: 950
diff changeset
  1575
  osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
29e21b1b7602 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008
xlu
parents: 950
diff changeset
  1576
  if (!GetVersionEx((OSVERSIONINFO *)&osvi)) {
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1577
    st->print_cr("Call to GetVersionEx failed");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1578
    return;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1579
  }
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1580
  bool is_workstation = (osvi.wProductType == VER_NT_WORKSTATION);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1581
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1582
  // Get the full path to \Windows\System32\kernel32.dll and use that for
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1583
  // determining what version of Windows we're running on.
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1584
  len = MAX_PATH - (UINT)strlen("\\kernel32.dll") - 1;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1585
  ret = GetSystemDirectory(kernel32_path, len);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1586
  if (ret == 0 || ret > len) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1587
    st->print_cr("Call to GetSystemDirectory failed");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1588
    return;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1589
  }
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1590
  strncat(kernel32_path, "\\kernel32.dll", MAX_PATH - ret);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1591
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1592
  DWORD version_size = GetFileVersionInfoSize(kernel32_path, NULL);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1593
  if (version_size == 0) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1594
    st->print_cr("Call to GetFileVersionInfoSize failed");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1595
    return;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1596
  }
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1597
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1598
  LPTSTR version_info = (LPTSTR)os::malloc(version_size, mtInternal);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1599
  if (version_info == NULL) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1600
    st->print_cr("Failed to allocate version_info");
981
29e21b1b7602 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008
xlu
parents: 950
diff changeset
  1601
    return;
29e21b1b7602 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008
xlu
parents: 950
diff changeset
  1602
  }
29e21b1b7602 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008
xlu
parents: 950
diff changeset
  1603
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1604
  if (!GetFileVersionInfo(kernel32_path, NULL, version_size, version_info)) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1605
    os::free(version_info);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1606
    st->print_cr("Call to GetFileVersionInfo failed");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1607
    return;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1608
  }
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1609
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1610
  if (!VerQueryValue(version_info, TEXT("\\"), (LPVOID*)&file_info, &len)) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1611
    os::free(version_info);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1612
    st->print_cr("Call to VerQueryValue failed");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1613
    return;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1614
  }
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1615
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1616
  int major_version = HIWORD(file_info->dwProductVersionMS);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1617
  int minor_version = LOWORD(file_info->dwProductVersionMS);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1618
  int build_number = HIWORD(file_info->dwProductVersionLS);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1619
  int build_minor = LOWORD(file_info->dwProductVersionLS);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1620
  int os_vers = major_version * 1000 + minor_version;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1621
  os::free(version_info);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1622
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1623
  st->print(" Windows ");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1624
  switch (os_vers) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1625
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1626
  case 6000:
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1627
    if (is_workstation) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1628
      st->print("Vista");
19274
a09ed3dff789 8022452: Hotspot needs to know about Windows 8.1 and Windows Server 2012 R2
mikael
parents: 18945
diff changeset
  1629
    } else {
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1630
      st->print("Server 2008");
19274
a09ed3dff789 8022452: Hotspot needs to know about Windows 8.1 and Windows Server 2012 R2
mikael
parents: 18945
diff changeset
  1631
    }
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1632
    break;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1633
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1634
  case 6001:
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1635
    if (is_workstation) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1636
      st->print("7");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1637
    } else {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1638
      st->print("Server 2008 R2");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1639
    }
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1640
    break;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1641
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1642
  case 6002:
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1643
    if (is_workstation) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1644
      st->print("8");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1645
    } else {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1646
      st->print("Server 2012");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1647
    }
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1648
    break;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1649
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1650
  case 6003:
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1651
    if (is_workstation) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1652
      st->print("8.1");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1653
    } else {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1654
      st->print("Server 2012 R2");
981
29e21b1b7602 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008
xlu
parents: 950
diff changeset
  1655
    }
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1656
    break;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1657
28735
c0fd1a0a907d 8071530: Update OS detection code to reflect Windows 10 version change
ctornqvi
parents: 28627
diff changeset
  1658
  case 10000:
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1659
    if (is_workstation) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1660
      st->print("10");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1661
    } else {
36361
00aaa003d2e7 8150490: Update OS detection code to recognize Windows Server 2016
ctornqvi
parents: 36174
diff changeset
  1662
      st->print("Server 2016");
981
29e21b1b7602 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008
xlu
parents: 950
diff changeset
  1663
    }
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1664
    break;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1665
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1666
  default:
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1667
    // Unrecognized windows, print out its major and minor versions
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1668
    st->print("%d.%d", major_version, minor_version);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1669
    break;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1670
  }
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1671
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1672
  // Retrieve SYSTEM_INFO from GetNativeSystemInfo call so that we could
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1673
  // find out whether we are running on 64 bit processor or not
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1674
  SYSTEM_INFO si;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1675
  ZeroMemory(&si, sizeof(SYSTEM_INFO));
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  1676
  GetNativeSystemInfo(&si);
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1677
  if (si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64) {
19274
a09ed3dff789 8022452: Hotspot needs to know about Windows 8.1 and Windows Server 2012 R2
mikael
parents: 18945
diff changeset
  1678
    st->print(" , 64 bit");
a09ed3dff789 8022452: Hotspot needs to know about Windows 8.1 and Windows Server 2012 R2
mikael
parents: 18945
diff changeset
  1679
  }
a09ed3dff789 8022452: Hotspot needs to know about Windows 8.1 and Windows Server 2012 R2
mikael
parents: 18945
diff changeset
  1680
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1681
  st->print(" Build %d", build_number);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1682
  st->print(" (%d.%d.%d.%d)", major_version, minor_version, build_number, build_minor);
981
29e21b1b7602 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008
xlu
parents: 950
diff changeset
  1683
  st->cr();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1684
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1685
31356
55ee785c49c5 8085865: hs_err improvement: Printing /proc/cpuinfo makes too long hs_err files
coleenp
parents: 31026
diff changeset
  1686
void os::pd_print_cpu_info(outputStream* st, char* buf, size_t buflen) {
10023
e99d9a03c0f5 7061225: os::print_cpu_info() should support os-specific data
jcoomes
parents: 9419
diff changeset
  1687
  // Nothing to do for now.
e99d9a03c0f5 7061225: os::print_cpu_info() should support os-specific data
jcoomes
parents: 9419
diff changeset
  1688
}
e99d9a03c0f5 7061225: os::print_cpu_info() should support os-specific data
jcoomes
parents: 9419
diff changeset
  1689
31963
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1690
void os::get_summary_cpu_info(char* buf, size_t buflen) {
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1691
  HKEY key;
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1692
  DWORD status = RegOpenKey(HKEY_LOCAL_MACHINE,
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1693
               "HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0", &key);
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1694
  if (status == ERROR_SUCCESS) {
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1695
    DWORD size = (DWORD)buflen;
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1696
    status = RegQueryValueEx(key, "ProcessorNameString", NULL, NULL, (byte*)buf, &size);
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1697
    if (status != ERROR_SUCCESS) {
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1698
        strncpy(buf, "## __CPU__", buflen);
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1699
    }
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1700
    RegCloseKey(key);
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1701
  } else {
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1702
    // Put generic cpu info to return
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1703
    strncpy(buf, "## __CPU__", buflen);
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1704
  }
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1705
}
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1706
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1707
void os::print_memory_info(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1708
  st->print("Memory:");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1709
  st->print(" %dk page", os::vm_page_size()>>10);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1710
3577
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  1711
  // Use GlobalMemoryStatusEx() because GlobalMemoryStatus() may return incorrect
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  1712
  // value if total memory is larger than 4GB
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  1713
  MEMORYSTATUSEX ms;
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  1714
  ms.dwLength = sizeof(ms);
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  1715
  GlobalMemoryStatusEx(&ms);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1716
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1717
  st->print(", physical %uk", os::physical_memory() >> 10);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1718
  st->print("(%uk free)", os::available_memory() >> 10);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1719
3577
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  1720
  st->print(", swap %uk", ms.ullTotalPageFile >> 10);
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  1721
  st->print("(%uk free)", ms.ullAvailPageFile >> 10);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1722
  st->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1723
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1724
35176
11a9d4022d9e 8144219: [posix] Remove redundant code around os::print_siginfo()
stuefe
parents: 35077
diff changeset
  1725
void os::print_siginfo(outputStream *st, const void* siginfo) {
11a9d4022d9e 8144219: [posix] Remove redundant code around os::print_siginfo()
stuefe
parents: 35077
diff changeset
  1726
  const EXCEPTION_RECORD* const er = (EXCEPTION_RECORD*)siginfo;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1727
  st->print("siginfo:");
34648
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1728
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1729
  char tmp[64];
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1730
  if (os::exception_name(er->ExceptionCode, tmp, sizeof(tmp)) == NULL) {
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1731
    strcpy(tmp, "EXCEPTION_??");
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1732
  }
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1733
  st->print(" %s (0x%x)", tmp, er->ExceptionCode);
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1734
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1735
  if ((er->ExceptionCode == EXCEPTION_ACCESS_VIOLATION ||
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1736
       er->ExceptionCode == EXCEPTION_IN_PAGE_ERROR) &&
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1737
       er->NumberParameters >= 2) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1738
    switch (er->ExceptionInformation[0]) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1739
    case 0: st->print(", reading address"); break;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1740
    case 1: st->print(", writing address"); break;
34648
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1741
    case 8: st->print(", data execution prevention violation at address"); break;
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1742
    default: st->print(", ExceptionInformation=" INTPTR_FORMAT,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1743
                       er->ExceptionInformation[0]);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1744
    }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1745
    st->print(" " INTPTR_FORMAT, er->ExceptionInformation[1]);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1746
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1747
    int num = er->NumberParameters;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1748
    if (num > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1749
      st->print(", ExceptionInformation=");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1750
      for (int i = 0; i < num; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1751
        st->print(INTPTR_FORMAT " ", er->ExceptionInformation[i]);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1752
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1753
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1754
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1755
  st->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1756
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1757
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1758
void os::print_signal_handlers(outputStream* st, char* buf, size_t buflen) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1759
  // do nothing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1760
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1761
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1762
static char saved_jvm_path[MAX_PATH] = {0};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1763
15096
3db45569f8c0 8005044: remove crufty '_g' support from HS runtime code
dcubed
parents: 14633
diff changeset
  1764
// Find the full path to the current module, jvm.dll
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1765
void os::jvm_path(char *buf, jint buflen) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1766
  // Error checking.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1767
  if (buflen < MAX_PATH) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1768
    assert(false, "must use a large-enough buffer");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1769
    buf[0] = '\0';
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1770
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1771
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1772
  // Lazy resolve the path to current module.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1773
  if (saved_jvm_path[0] != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1774
    strcpy(buf, saved_jvm_path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1775
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1776
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1777
7410
f5b282e7a7a6 6981484: Update development launcher
sla
parents: 7405
diff changeset
  1778
  buf[0] = '\0';
22734
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1779
  if (Arguments::sun_java_launcher_is_altjvm()) {
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1780
    // Support for the java launcher's '-XXaltjvm=<path>' option. Check
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1781
    // for a JAVA_HOME environment variable and fix up the path so it
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1782
    // looks like jvm.dll is installed there (append a fake suffix
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1783
    // hotspot/jvm.dll).
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1784
    char* java_home_var = ::getenv("JAVA_HOME");
25503
9f471b837330 8030763: Validate global memory allocation
hseigel
parents: 25477
diff changeset
  1785
    if (java_home_var != NULL && java_home_var[0] != 0 &&
9f471b837330 8030763: Validate global memory allocation
hseigel
parents: 25477
diff changeset
  1786
        strlen(java_home_var) < (size_t)buflen) {
22734
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1787
      strncpy(buf, java_home_var, buflen);
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1788
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1789
      // determine if this is a legacy image or modules image
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1790
      // modules image doesn't have "jre" subdirectory
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1791
      size_t len = strlen(buf);
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1792
      char* jrebin_p = buf + len;
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1793
      jio_snprintf(jrebin_p, buflen-len, "\\jre\\bin\\");
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1794
      if (0 != _access(buf, 0)) {
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1795
        jio_snprintf(jrebin_p, buflen-len, "\\bin\\");
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1796
      }
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1797
      len = strlen(buf);
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1798
      jio_snprintf(buf + len, buflen-len, "hotspot\\jvm.dll");
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1799
    }
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1800
  }
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1801
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1802
  if (buf[0] == '\0') {
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1803
    GetModuleFileName(vm_lib_handle, buf, buflen);
7410
f5b282e7a7a6 6981484: Update development launcher
sla
parents: 7405
diff changeset
  1804
  }
25503
9f471b837330 8030763: Validate global memory allocation
hseigel
parents: 25477
diff changeset
  1805
  strncpy(saved_jvm_path, buf, MAX_PATH);
27471
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  1806
  saved_jvm_path[MAX_PATH - 1] = '\0';
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1807
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1808
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1809
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1810
void os::print_jni_name_prefix_on(outputStream* st, int args_size) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1811
#ifndef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1812
  st->print("_");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1813
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1814
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1815
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1816
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1817
void os::print_jni_name_suffix_on(outputStream* st, int args_size) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1818
#ifndef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1819
  st->print("@%d", args_size  * sizeof(int));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1820
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1821
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1822
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1823
// This method is a copy of JDK's sysGetLastErrorString
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1824
// from src/windows/hpi/src/system_md.c
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1825
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1826
size_t os::lasterror(char* buf, size_t len) {
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1827
  DWORD errval;
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1828
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1829
  if ((errval = GetLastError()) != 0) {
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1830
    // DOS error
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1831
    size_t n = (size_t)FormatMessage(
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1832
                                     FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1833
                                     NULL,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1834
                                     errval,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1835
                                     0,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1836
                                     buf,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1837
                                     (DWORD)len,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1838
                                     NULL);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1839
    if (n > 3) {
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1840
      // Drop final '.', CR, LF
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1841
      if (buf[n - 1] == '\n') n--;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1842
      if (buf[n - 1] == '\r') n--;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1843
      if (buf[n - 1] == '.') n--;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1844
      buf[n] = '\0';
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1845
    }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1846
    return n;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1847
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1848
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1849
  if (errno != 0) {
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1850
    // C runtime error that has no corresponding DOS error code
37113
5a33bf5089ac 8148425: strerror() function is not thread-safe
stuefe
parents: 37052
diff changeset
  1851
    const char* s = os::strerror(errno);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1852
    size_t n = strlen(s);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1853
    if (n >= len) n = len - 1;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1854
    strncpy(buf, s, n);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1855
    buf[n] = '\0';
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1856
    return n;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1857
  }
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1858
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1859
  return 0;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1860
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1861
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1862
int os::get_last_error() {
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1863
  DWORD error = GetLastError();
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1864
  if (error == 0) {
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1865
    error = errno;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1866
  }
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1867
  return (int)error;
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1868
}
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1869
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1870
// sun.misc.Signal
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1871
// NOTE that this is a workaround for an apparent kernel bug where if
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1872
// a signal handler for SIGBREAK is installed then that signal handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1873
// takes priority over the console control handler for CTRL_CLOSE_EVENT.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1874
// See bug 4416763.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1875
static void (*sigbreakHandler)(int) = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1876
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1877
static void UserHandler(int sig, void *siginfo, void *context) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1878
  os::signal_notify(sig);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1879
  // We need to reinstate the signal handler each time...
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1880
  os::signal(sig, (void*)UserHandler);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1881
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1882
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1883
void* os::user_handler() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1884
  return (void*) UserHandler;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1885
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1886
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1887
void* os::signal(int signal_number, void* handler) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1888
  if ((signal_number == SIGBREAK) && (!ReduceSignalUsage)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1889
    void (*oldHandler)(int) = sigbreakHandler;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1890
    sigbreakHandler = (void (*)(int)) handler;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1891
    return (void*) oldHandler;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1892
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1893
    return (void*)::signal(signal_number, (void (*)(int))handler);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1894
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1895
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1896
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1897
void os::signal_raise(int signal_number) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1898
  raise(signal_number);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1899
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1900
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1901
// The Win32 C runtime library maps all console control events other than ^C
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1902
// into SIGBREAK, which makes it impossible to distinguish ^BREAK from close,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1903
// logoff, and shutdown events.  We therefore install our own console handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1904
// that raises SIGTERM for the latter cases.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1905
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1906
static BOOL WINAPI consoleHandler(DWORD event) {
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  1907
  switch (event) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1908
  case CTRL_C_EVENT:
46589
f1c04490ded1 8182848: Some functions misplaced in debug.hpp
coleenp
parents: 46587
diff changeset
  1909
    if (VMError::is_error_reported()) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1910
      // Ctrl-C is pressed during error reporting, likely because the error
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1911
      // handler fails to abort. Let VM die immediately.
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1912
      os::die();
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1913
    }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1914
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1915
    os::signal_raise(SIGINT);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1916
    return TRUE;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1917
    break;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1918
  case CTRL_BREAK_EVENT:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1919
    if (sigbreakHandler != NULL) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1920
      (*sigbreakHandler)(SIGBREAK);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1921
    }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1922
    return TRUE;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1923
    break;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1924
  case CTRL_LOGOFF_EVENT: {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1925
    // Don't terminate JVM if it is running in a non-interactive session,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1926
    // such as a service process.
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1927
    USEROBJECTFLAGS flags;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1928
    HANDLE handle = GetProcessWindowStation();
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1929
    if (handle != NULL &&
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1930
        GetUserObjectInformation(handle, UOI_FLAGS, &flags,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1931
        sizeof(USEROBJECTFLAGS), NULL)) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1932
      // If it is a non-interactive session, let next handler to deal
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1933
      // with it.
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1934
      if ((flags.dwFlags & WSF_VISIBLE) == 0) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1935
        return FALSE;
15236
27d5f33652c7 6871190: Don't terminate JVM if it is running in a non-interactive session
zgu
parents: 15098
diff changeset
  1936
      }
27d5f33652c7 6871190: Don't terminate JVM if it is running in a non-interactive session
zgu
parents: 15098
diff changeset
  1937
    }
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1938
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1939
  case CTRL_CLOSE_EVENT:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1940
  case CTRL_SHUTDOWN_EVENT:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1941
    os::signal_raise(SIGTERM);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1942
    return TRUE;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1943
    break;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1944
  default:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1945
    break;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1946
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1947
  return FALSE;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1948
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1949
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1950
// The following code is moved from os.cpp for making this
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1951
// code platform specific, which it is by its very nature.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1952
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1953
// Return maximum OS signal used + 1 for internal use only
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1954
// Used as exit signal for signal_thread
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  1955
int os::sigexitnum_pd() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1956
  return NSIG;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1957
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1958
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1959
// a counter for each possible signal value, including signal_thread exit signal
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1960
static volatile jint pending_signals[NSIG+1] = { 0 };
48635
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  1961
static Semaphore* sig_sem = NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1962
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1963
void os::signal_init_pd() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1964
  // Initialize signal structures
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1965
  memset((void*)pending_signals, 0, sizeof(pending_signals));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1966
48635
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  1967
  // Initialize signal semaphore
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  1968
  sig_sem = new Semaphore();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1969
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1970
  // Programs embedding the VM do not want it to attempt to receive
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1971
  // events like CTRL_LOGOFF_EVENT, which are used to implement the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1972
  // shutdown hooks mechanism introduced in 1.3.  For example, when
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1973
  // the VM is run as part of a Windows NT service (i.e., a servlet
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1974
  // engine in a web server), the correct behavior is for any console
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1975
  // control handler to return FALSE, not TRUE, because the OS's
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1976
  // "final" handler for such events allows the process to continue if
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1977
  // it is a service (while terminating it if it is not a service).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1978
  // To make this behavior uniform and the mechanism simpler, we
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1979
  // completely disable the VM's usage of these console events if -Xrs
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1980
  // (=ReduceSignalUsage) is specified.  This means, for example, that
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1981
  // the CTRL-BREAK thread dump mechanism is also disabled in this
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1982
  // case.  See bugs 4323062, 4345157, and related bugs.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1983
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1984
  if (!ReduceSignalUsage) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1985
    // Add a CTRL-C handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1986
    SetConsoleCtrlHandler(consoleHandler, TRUE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1987
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1988
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1989
48635
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  1990
void os::signal_notify(int sig) {
15733
5bd5dc5b9bb9 8007312: null check signal semaphore in os::signal_notify windows
mgronlun
parents: 15475
diff changeset
  1991
  if (sig_sem != NULL) {
48635
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  1992
    Atomic::inc(&pending_signals[sig]);
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  1993
    sig_sem->signal();
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  1994
  } else {
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  1995
    // Signal thread is not created with ReduceSignalUsage and signal_init_pd
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  1996
    // initialization isn't called.
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  1997
    assert(ReduceSignalUsage, "signal semaphore should be created");
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  1998
  }
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  1999
}
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  2000
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  2001
static int check_pending_signals() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2002
  while (true) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2003
    for (int i = 0; i < NSIG + 1; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2004
      jint n = pending_signals[i];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2005
      if (n > 0 && n == Atomic::cmpxchg(n - 1, &pending_signals[i], n)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2006
        return i;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2007
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2008
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2009
    JavaThread *thread = JavaThread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2010
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2011
    ThreadBlockInVM tbivm(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2012
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2013
    bool threadIsSuspended;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2014
    do {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2015
      thread->set_suspend_equivalent();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2016
      // cleared by handle_special_suspend_equivalent_condition() or java_suspend_self()
48635
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  2017
      sig_sem->wait();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2018
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2019
      // were we externally suspended while we were waiting?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2020
      threadIsSuspended = thread->handle_special_suspend_equivalent_condition();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2021
      if (threadIsSuspended) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2022
        // The semaphore has been incremented, but while we were waiting
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2023
        // another thread suspended us. We don't want to continue running
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2024
        // while suspended because that would surprise the thread that
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2025
        // suspended us.
48635
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  2026
        sig_sem->signal();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2027
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2028
        thread->java_suspend_self();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2029
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2030
    } while (threadIsSuspended);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2031
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2032
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2033
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2034
int os::signal_wait() {
48635
612dfa1d8aad 8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents: 48611
diff changeset
  2035
  return check_pending_signals();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2036
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2037
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2038
// Implicit OS exception handling
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2039
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2040
LONG Handle_Exception(struct _EXCEPTION_POINTERS* exceptionInfo,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2041
                      address handler) {
46529
e473f49d42a7 8166748: Clean out Windows IA64 support
gtriantafill
parents: 46476
diff changeset
  2042
  JavaThread* thread = (JavaThread*) Thread::current_or_null();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2043
  // Save pc in thread
46529
e473f49d42a7 8166748: Clean out Windows IA64 support
gtriantafill
parents: 46476
diff changeset
  2044
#ifdef _M_AMD64
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2045
  // Do not blow up if no thread info available.
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2046
  if (thread) {
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2047
    thread->set_saved_exception_pc((address)(DWORD_PTR)exceptionInfo->ContextRecord->Rip);
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2048
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2049
  // Set pc to handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2050
  exceptionInfo->ContextRecord->Rip = (DWORD64)handler;
46529
e473f49d42a7 8166748: Clean out Windows IA64 support
gtriantafill
parents: 46476
diff changeset
  2051
#else
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2052
  // Do not blow up if no thread info available.
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2053
  if (thread) {
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2054
    thread->set_saved_exception_pc((address)(DWORD_PTR)exceptionInfo->ContextRecord->Eip);
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2055
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2056
  // Set pc to handler
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2057
  exceptionInfo->ContextRecord->Eip = (DWORD)(DWORD_PTR)handler;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2058
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2059
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2060
  // Continue the execution
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2061
  return EXCEPTION_CONTINUE_EXECUTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2062
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2063
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2064
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2065
// Used for PostMortemDump
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2066
extern "C" void safepoints();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2067
extern "C" void find(int x);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2068
extern "C" void events();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2069
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2070
// According to Windows API documentation, an illegal instruction sequence should generate
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2071
// the 0xC000001C exception code. However, real world experience shows that occasionnaly
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2072
// the execution of an illegal instruction can generate the exception code 0xC000001E. This
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2073
// seems to be an undocumented feature of Win NT 4.0 (and probably other Windows systems).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2074
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2075
#define EXCEPTION_ILLEGAL_INSTRUCTION_2 0xC000001E
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2076
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2077
// From "Execution Protection in the Windows Operating System" draft 0.35
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2078
// Once a system header becomes available, the "real" define should be
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2079
// included or copied here.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2080
#define EXCEPTION_INFO_EXEC_VIOLATION 0x08
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2081
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2082
// Windows Vista/2008 heap corruption check
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2083
#define EXCEPTION_HEAP_CORRUPTION        0xC0000374
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2084
7692
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2085
// All Visual C++ exceptions thrown from code generated by the Microsoft Visual
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2086
// C++ compiler contain this error code. Because this is a compiler-generated
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2087
// error, the code is not listed in the Win32 API header files.
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2088
// The code is actually a cryptic mnemonic device, with the initial "E"
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2089
// standing for "exception" and the final 3 bytes (0x6D7363) representing the
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2090
// ASCII values of "msc".
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2091
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2092
#define EXCEPTION_UNCAUGHT_CXX_EXCEPTION    0xE06D7363
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2093
37052
e608476da586 8150688: Fix os_windows siglabel
kbarrett
parents: 36571
diff changeset
  2094
#define def_excpt(val) { #val, (val) }
e608476da586 8150688: Fix os_windows siglabel
kbarrett
parents: 36571
diff changeset
  2095
e608476da586 8150688: Fix os_windows siglabel
kbarrett
parents: 36571
diff changeset
  2096
static const struct { char* name; uint number; } exceptlabels[] = {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2097
    def_excpt(EXCEPTION_ACCESS_VIOLATION),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2098
    def_excpt(EXCEPTION_DATATYPE_MISALIGNMENT),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2099
    def_excpt(EXCEPTION_BREAKPOINT),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2100
    def_excpt(EXCEPTION_SINGLE_STEP),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2101
    def_excpt(EXCEPTION_ARRAY_BOUNDS_EXCEEDED),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2102
    def_excpt(EXCEPTION_FLT_DENORMAL_OPERAND),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2103
    def_excpt(EXCEPTION_FLT_DIVIDE_BY_ZERO),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2104
    def_excpt(EXCEPTION_FLT_INEXACT_RESULT),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2105
    def_excpt(EXCEPTION_FLT_INVALID_OPERATION),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2106
    def_excpt(EXCEPTION_FLT_OVERFLOW),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2107
    def_excpt(EXCEPTION_FLT_STACK_CHECK),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2108
    def_excpt(EXCEPTION_FLT_UNDERFLOW),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2109
    def_excpt(EXCEPTION_INT_DIVIDE_BY_ZERO),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2110
    def_excpt(EXCEPTION_INT_OVERFLOW),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2111
    def_excpt(EXCEPTION_PRIV_INSTRUCTION),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2112
    def_excpt(EXCEPTION_IN_PAGE_ERROR),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2113
    def_excpt(EXCEPTION_ILLEGAL_INSTRUCTION),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2114
    def_excpt(EXCEPTION_ILLEGAL_INSTRUCTION_2),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2115
    def_excpt(EXCEPTION_NONCONTINUABLE_EXCEPTION),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2116
    def_excpt(EXCEPTION_STACK_OVERFLOW),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2117
    def_excpt(EXCEPTION_INVALID_DISPOSITION),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2118
    def_excpt(EXCEPTION_GUARD_PAGE),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2119
    def_excpt(EXCEPTION_INVALID_HANDLE),
7692
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2120
    def_excpt(EXCEPTION_UNCAUGHT_CXX_EXCEPTION),
37052
e608476da586 8150688: Fix os_windows siglabel
kbarrett
parents: 36571
diff changeset
  2121
    def_excpt(EXCEPTION_HEAP_CORRUPTION)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2122
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2123
37052
e608476da586 8150688: Fix os_windows siglabel
kbarrett
parents: 36571
diff changeset
  2124
#undef def_excpt
e608476da586 8150688: Fix os_windows siglabel
kbarrett
parents: 36571
diff changeset
  2125
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2126
const char* os::exception_name(int exception_code, char *buf, size_t size) {
37052
e608476da586 8150688: Fix os_windows siglabel
kbarrett
parents: 36571
diff changeset
  2127
  uint code = static_cast<uint>(exception_code);
e608476da586 8150688: Fix os_windows siglabel
kbarrett
parents: 36571
diff changeset
  2128
  for (uint i = 0; i < ARRAY_SIZE(exceptlabels); ++i) {
e608476da586 8150688: Fix os_windows siglabel
kbarrett
parents: 36571
diff changeset
  2129
    if (exceptlabels[i].number == code) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2130
      jio_snprintf(buf, size, "%s", exceptlabels[i].name);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2131
      return buf;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2132
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2133
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2134
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2135
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2136
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2137
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2138
//-----------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2139
LONG Handle_IDiv_Exception(struct _EXCEPTION_POINTERS* exceptionInfo) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2140
  // handle exception caused by idiv; should only happen for -MinInt/-1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2141
  // (division by zero is handled explicitly)
46529
e473f49d42a7 8166748: Clean out Windows IA64 support
gtriantafill
parents: 46476
diff changeset
  2142
#ifdef  _M_AMD64
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2143
  PCONTEXT ctx = exceptionInfo->ContextRecord;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2144
  address pc = (address)ctx->Rip;
33160
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2145
  assert(pc[0] >= Assembler::REX && pc[0] <= Assembler::REX_WRXB && pc[1] == 0xF7 || pc[0] == 0xF7, "not an idiv opcode");
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2146
  assert(pc[0] >= Assembler::REX && pc[0] <= Assembler::REX_WRXB && (pc[2] & ~0x7) == 0xF8 || (pc[1] & ~0x7) == 0xF8, "cannot handle non-register operands");
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2147
  if (pc[0] == 0xF7) {
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2148
    // set correct result values and continue after idiv instruction
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2149
    ctx->Rip = (DWORD64)pc + 2;        // idiv reg, reg  is 2 bytes
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2150
  } else {
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2151
    ctx->Rip = (DWORD64)pc + 3;        // REX idiv reg, reg  is 3 bytes
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2152
  }
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2153
  // Do not set ctx->Rax as it already contains the correct value (either 32 or 64 bit, depending on the operation)
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2154
  // this is the case because the exception only happens for -MinValue/-1 and -MinValue is always in rax because of the
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2155
  // idiv opcode (0xF7).
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2156
  ctx->Rdx = (DWORD)0;             // remainder
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2157
  // Continue the execution
46529
e473f49d42a7 8166748: Clean out Windows IA64 support
gtriantafill
parents: 46476
diff changeset
  2158
#else
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2159
  PCONTEXT ctx = exceptionInfo->ContextRecord;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2160
  address pc = (address)ctx->Eip;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2161
  assert(pc[0] == 0xF7, "not an idiv opcode");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2162
  assert((pc[1] & ~0x7) == 0xF8, "cannot handle non-register operands");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2163
  assert(ctx->Eax == min_jint, "unexpected idiv exception");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2164
  // set correct result values and continue after idiv instruction
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2165
  ctx->Eip = (DWORD)pc + 2;        // idiv reg, reg  is 2 bytes
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2166
  ctx->Eax = (DWORD)min_jint;      // result
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2167
  ctx->Edx = (DWORD)0;             // remainder
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2168
  // Continue the execution
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2169
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2170
  return EXCEPTION_CONTINUE_EXECUTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2171
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2172
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2173
//-----------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2174
LONG WINAPI Handle_FLT_Exception(struct _EXCEPTION_POINTERS* exceptionInfo) {
22487
97a29d87282f 7012961: runtime/jni/WindowsExceptionFilter/WindowsExceptionFilter01 crashes on windows-amd64
zgu
parents: 20006
diff changeset
  2175
  PCONTEXT ctx = exceptionInfo->ContextRecord;
97a29d87282f 7012961: runtime/jni/WindowsExceptionFilter/WindowsExceptionFilter01 crashes on windows-amd64
zgu
parents: 20006
diff changeset
  2176
#ifndef  _WIN64
4762
c75b48e6b250 6918421: 1/1 in-process JVM now ignores preset Windows unhandled exception filter
dcubed
parents: 1664
diff changeset
  2177
  // handle exception caused by native method modifying control word
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2178
  DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2179
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2180
  switch (exception_code) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2181
  case EXCEPTION_FLT_DENORMAL_OPERAND:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2182
  case EXCEPTION_FLT_DIVIDE_BY_ZERO:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2183
  case EXCEPTION_FLT_INEXACT_RESULT:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2184
  case EXCEPTION_FLT_INVALID_OPERATION:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2185
  case EXCEPTION_FLT_OVERFLOW:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2186
  case EXCEPTION_FLT_STACK_CHECK:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2187
  case EXCEPTION_FLT_UNDERFLOW:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2188
    jint fp_control_word = (* (jint*) StubRoutines::addr_fpu_cntrl_wrd_std());
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2189
    if (fp_control_word != ctx->FloatSave.ControlWord) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2190
      // Restore FPCW and mask out FLT exceptions
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2191
      ctx->FloatSave.ControlWord = fp_control_word | 0xffffffc0;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2192
      // Mask out pending FLT exceptions
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2193
      ctx->FloatSave.StatusWord &=  0xffffff00;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2194
      return EXCEPTION_CONTINUE_EXECUTION;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2195
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2196
  }
4762
c75b48e6b250 6918421: 1/1 in-process JVM now ignores preset Windows unhandled exception filter
dcubed
parents: 1664
diff changeset
  2197
c75b48e6b250 6918421: 1/1 in-process JVM now ignores preset Windows unhandled exception filter
dcubed
parents: 1664
diff changeset
  2198
  if (prev_uef_handler != NULL) {
c75b48e6b250 6918421: 1/1 in-process JVM now ignores preset Windows unhandled exception filter
dcubed
parents: 1664
diff changeset
  2199
    // We didn't handle this exception so pass it to the previous
c75b48e6b250 6918421: 1/1 in-process JVM now ignores preset Windows unhandled exception filter
dcubed
parents: 1664
diff changeset
  2200
    // UnhandledExceptionFilter.
c75b48e6b250 6918421: 1/1 in-process JVM now ignores preset Windows unhandled exception filter
dcubed
parents: 1664
diff changeset
  2201
    return (prev_uef_handler)(exceptionInfo);
c75b48e6b250 6918421: 1/1 in-process JVM now ignores preset Windows unhandled exception filter
dcubed
parents: 1664
diff changeset
  2202
  }
22487
97a29d87282f 7012961: runtime/jni/WindowsExceptionFilter/WindowsExceptionFilter01 crashes on windows-amd64
zgu
parents: 20006
diff changeset
  2203
#else // !_WIN64
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2204
  // On Windows, the mxcsr control bits are non-volatile across calls
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2205
  // See also CR 6192333
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2206
  //
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2207
  jint MxCsr = INITIAL_MXCSR;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2208
  // we can't use StubRoutines::addr_mxcsr_std()
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2209
  // because in Win64 mxcsr is not saved there
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2210
  if (MxCsr != ctx->MxCsr) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2211
    ctx->MxCsr = MxCsr;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2212
    return EXCEPTION_CONTINUE_EXECUTION;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2213
  }
22487
97a29d87282f 7012961: runtime/jni/WindowsExceptionFilter/WindowsExceptionFilter01 crashes on windows-amd64
zgu
parents: 20006
diff changeset
  2214
#endif // !_WIN64
97a29d87282f 7012961: runtime/jni/WindowsExceptionFilter/WindowsExceptionFilter01 crashes on windows-amd64
zgu
parents: 20006
diff changeset
  2215
97a29d87282f 7012961: runtime/jni/WindowsExceptionFilter/WindowsExceptionFilter01 crashes on windows-amd64
zgu
parents: 20006
diff changeset
  2216
  return EXCEPTION_CONTINUE_SEARCH;
97a29d87282f 7012961: runtime/jni/WindowsExceptionFilter/WindowsExceptionFilter01 crashes on windows-amd64
zgu
parents: 20006
diff changeset
  2217
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2218
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2219
static inline void report_error(Thread* t, DWORD exception_code,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2220
                                address addr, void* siginfo, void* context) {
33105
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 32748
diff changeset
  2221
  VMError::report_and_die(t, exception_code, addr, siginfo, context);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2222
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2223
  // If UseOsErrorReporting, this will return here and save the error file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2224
  // somewhere where we can find it in the minidump.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2225
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2226
35071
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2227
bool os::win32::get_frame_at_stack_banging_point(JavaThread* thread,
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2228
        struct _EXCEPTION_POINTERS* exceptionInfo, address pc, frame* fr) {
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2229
  PEXCEPTION_RECORD exceptionRecord = exceptionInfo->ExceptionRecord;
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2230
  address addr = (address) exceptionRecord->ExceptionInformation[1];
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2231
  if (Interpreter::contains(pc)) {
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2232
    *fr = os::fetch_frame_from_context((void*)exceptionInfo->ContextRecord);
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2233
    if (!fr->is_first_java_frame()) {
41314
f815c3be1f2e 8146546: assert(fr->safe_for_sender(thread)) failed: Safety check
fparain
parents: 41070
diff changeset
  2234
      // get_frame_at_stack_banging_point() is only called when we
f815c3be1f2e 8146546: assert(fr->safe_for_sender(thread)) failed: Safety check
fparain
parents: 41070
diff changeset
  2235
      // have well defined stacks so java_sender() calls do not need
f815c3be1f2e 8146546: assert(fr->safe_for_sender(thread)) failed: Safety check
fparain
parents: 41070
diff changeset
  2236
      // to assert safe_for_sender() first.
35071
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2237
      *fr = fr->java_sender();
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2238
    }
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2239
  } else {
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2240
    // more complex code with compiled code
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2241
    assert(!Interpreter::contains(pc), "Interpreted methods should have been handled above");
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2242
    CodeBlob* cb = CodeCache::find_blob(pc);
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2243
    if (cb == NULL || !cb->is_nmethod() || cb->is_frame_complete_at(pc)) {
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2244
      // Not sure where the pc points to, fallback to default
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2245
      // stack overflow handling
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2246
      return false;
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2247
    } else {
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2248
      *fr = os::fetch_frame_from_context((void*)exceptionInfo->ContextRecord);
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2249
      // in compiled code, the stack banging is performed just after the return pc
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2250
      // has been pushed on the stack
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2251
      *fr = frame(fr->sp() + 1, fr->fp(), (address)*(fr->sp()));
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2252
      if (!fr->is_java_frame()) {
41314
f815c3be1f2e 8146546: assert(fr->safe_for_sender(thread)) failed: Safety check
fparain
parents: 41070
diff changeset
  2253
        // See java_sender() comment above.
35071
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2254
        *fr = fr->java_sender();
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2255
      }
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2256
    }
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2257
  }
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2258
  assert(fr->is_java_frame(), "Safety check");
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2259
  return true;
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2260
}
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2261
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2262
//-----------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2263
LONG WINAPI topLevelExceptionFilter(struct _EXCEPTION_POINTERS* exceptionInfo) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2264
  if (InterceptOSException) return EXCEPTION_CONTINUE_SEARCH;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2265
  DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;
46529
e473f49d42a7 8166748: Clean out Windows IA64 support
gtriantafill
parents: 46476
diff changeset
  2266
#ifdef _M_AMD64
e473f49d42a7 8166748: Clean out Windows IA64 support
gtriantafill
parents: 46476
diff changeset
  2267
  address pc = (address) exceptionInfo->ContextRecord->Rip;
30252
b9faf31ff015 8077674: BSD build failures due to undefined macros
dholmes
parents: 30240
diff changeset
  2268
#else
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2269
  address pc = (address) exceptionInfo->ContextRecord->Eip;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2270
#endif
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  2271
  Thread* t = Thread::current_or_null_safe();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2272
18740
db44b1599483 8016697: Use stubs to implement safefetch
goetz
parents: 18086
diff changeset
  2273
  // Handle SafeFetch32 and SafeFetchN exceptions.
db44b1599483 8016697: Use stubs to implement safefetch
goetz
parents: 18086
diff changeset
  2274
  if (StubRoutines::is_safefetch_fault(pc)) {
db44b1599483 8016697: Use stubs to implement safefetch
goetz
parents: 18086
diff changeset
  2275
    return Handle_Exception(exceptionInfo, StubRoutines::continuation_for_safefetch_fault(pc));
db44b1599483 8016697: Use stubs to implement safefetch
goetz
parents: 18086
diff changeset
  2276
  }
db44b1599483 8016697: Use stubs to implement safefetch
goetz
parents: 18086
diff changeset
  2277
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2278
#ifndef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2279
  // Execution protection violation - win32 running on AMD64 only
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2280
  // Handled first to avoid misdiagnosis as a "normal" access violation;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2281
  // This is safe to do because we have a new/unique ExceptionInformation
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2282
  // code for this condition.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2283
  if (exception_code == EXCEPTION_ACCESS_VIOLATION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2284
    PEXCEPTION_RECORD exceptionRecord = exceptionInfo->ExceptionRecord;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2285
    int exception_subcode = (int) exceptionRecord->ExceptionInformation[0];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2286
    address addr = (address) exceptionRecord->ExceptionInformation[1];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2287
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2288
    if (exception_subcode == EXCEPTION_INFO_EXEC_VIOLATION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2289
      int page_size = os::vm_page_size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2290
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2291
      // Make sure the pc and the faulting address are sane.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2292
      //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2293
      // If an instruction spans a page boundary, and the page containing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2294
      // the beginning of the instruction is executable but the following
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2295
      // page is not, the pc and the faulting address might be slightly
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2296
      // different - we still want to unguard the 2nd page in this case.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2297
      //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2298
      // 15 bytes seems to be a (very) safe value for max instruction size.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2299
      bool pc_is_near_addr =
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2300
        (pointer_delta((void*) addr, (void*) pc, sizeof(char)) < 15);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2301
      bool instr_spans_page_boundary =
46619
a3919f5e8d2b 8178499: Remove _ptr_ and _size_ infixes from align functions
stefank
parents: 46618
diff changeset
  2302
        (align_down((intptr_t) pc ^ (intptr_t) addr,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2303
                         (intptr_t) page_size) > 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2304
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2305
      if (pc == addr || (pc_is_near_addr && instr_spans_page_boundary)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2306
        static volatile address last_addr =
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2307
          (address) os::non_memory_address_word();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2308
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2309
        // In conservative mode, don't unguard unless the address is in the VM
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2310
        if (UnguardOnExecutionViolation > 0 && addr != last_addr &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2311
            (UnguardOnExecutionViolation > 1 || os::address_is_in_vm(addr))) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2312
1664
fc9ed50498fb 6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents: 1620
diff changeset
  2313
          // Set memory to RWX and retry
46619
a3919f5e8d2b 8178499: Remove _ptr_ and _size_ infixes from align functions
stefank
parents: 46618
diff changeset
  2314
          address page_start = align_down(addr, page_size);
1664
fc9ed50498fb 6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents: 1620
diff changeset
  2315
          bool res = os::protect_memory((char*) page_start, page_size,
fc9ed50498fb 6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents: 1620
diff changeset
  2316
                                        os::MEM_PROT_RWX);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2317
37430
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  2318
          log_debug(os)("Execution protection violation "
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  2319
                        "at " INTPTR_FORMAT
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  2320
                        ", unguarding " INTPTR_FORMAT ": %s", p2i(addr),
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  2321
                        p2i(page_start), (res ? "success" : os::strerror(errno)));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2322
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2323
          // Set last_addr so if we fault again at the same address, we don't
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2324
          // end up in an endless loop.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2325
          //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2326
          // There are two potential complications here.  Two threads trapping
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2327
          // at the same address at the same time could cause one of the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2328
          // threads to think it already unguarded, and abort the VM.  Likely
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2329
          // very rare.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2330
          //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2331
          // The other race involves two threads alternately trapping at
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2332
          // different addresses and failing to unguard the page, resulting in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2333
          // an endless loop.  This condition is probably even more unlikely
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2334
          // than the first.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2335
          //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2336
          // Although both cases could be avoided by using locks or thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2337
          // local last_addr, these solutions are unnecessary complication:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2338
          // this handler is a best-effort safety net, not a complete solution.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2339
          // It is disabled by default and should only be used as a workaround
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2340
          // in case we missed any no-execute-unsafe VM code.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2341
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2342
          last_addr = addr;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2343
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2344
          return EXCEPTION_CONTINUE_EXECUTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2345
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2346
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2347
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2348
      // Last unguard failed or not unguarding
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2349
      tty->print_raw_cr("Execution protection violation");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2350
      report_error(t, exception_code, addr, exceptionInfo->ExceptionRecord,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2351
                   exceptionInfo->ContextRecord);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2352
      return EXCEPTION_CONTINUE_SEARCH;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2353
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2354
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2355
#endif // _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2356
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2357
  // Check to see if we caught the safepoint code in the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2358
  // process of write protecting the memory serialization page.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2359
  // It write enables the page immediately after protecting it
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2360
  // so just return.
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  2361
  if (exception_code == EXCEPTION_ACCESS_VIOLATION) {
40926
2fd1cf3e70e9 8137035: nsk/stress/stack/stack tests got EXCEPTION_STACK_OVERFLOW on Windows 64 bit
fparain
parents: 40667
diff changeset
  2362
    if (t != NULL && t->is_Java_thread()) {
2fd1cf3e70e9 8137035: nsk/stress/stack/stack tests got EXCEPTION_STACK_OVERFLOW on Windows 64 bit
fparain
parents: 40667
diff changeset
  2363
      JavaThread* thread = (JavaThread*) t;
2fd1cf3e70e9 8137035: nsk/stress/stack/stack tests got EXCEPTION_STACK_OVERFLOW on Windows 64 bit
fparain
parents: 40667
diff changeset
  2364
      PEXCEPTION_RECORD exceptionRecord = exceptionInfo->ExceptionRecord;
2fd1cf3e70e9 8137035: nsk/stress/stack/stack tests got EXCEPTION_STACK_OVERFLOW on Windows 64 bit
fparain
parents: 40667
diff changeset
  2365
      address addr = (address) exceptionRecord->ExceptionInformation[1];
2fd1cf3e70e9 8137035: nsk/stress/stack/stack tests got EXCEPTION_STACK_OVERFLOW on Windows 64 bit
fparain
parents: 40667
diff changeset
  2366
      if (os::is_memory_serialize_page(thread, addr)) {
2fd1cf3e70e9 8137035: nsk/stress/stack/stack tests got EXCEPTION_STACK_OVERFLOW on Windows 64 bit
fparain
parents: 40667
diff changeset
  2367
        // Block current thread until the memory serialize page permission restored.
2fd1cf3e70e9 8137035: nsk/stress/stack/stack tests got EXCEPTION_STACK_OVERFLOW on Windows 64 bit
fparain
parents: 40667
diff changeset
  2368
        os::block_on_serialize_page_trap();
2fd1cf3e70e9 8137035: nsk/stress/stack/stack tests got EXCEPTION_STACK_OVERFLOW on Windows 64 bit
fparain
parents: 40667
diff changeset
  2369
        return EXCEPTION_CONTINUE_EXECUTION;
2fd1cf3e70e9 8137035: nsk/stress/stack/stack tests got EXCEPTION_STACK_OVERFLOW on Windows 64 bit
fparain
parents: 40667
diff changeset
  2370
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2371
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2372
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2373
23487
0f7e268cd9e3 8037226: compiler/7196199/Test7196199.java fails on 32-bit linux with MaxVectorSize > 16
kvn
parents: 23176
diff changeset
  2374
  if ((exception_code == EXCEPTION_ACCESS_VIOLATION) &&
0f7e268cd9e3 8037226: compiler/7196199/Test7196199.java fails on 32-bit linux with MaxVectorSize > 16
kvn
parents: 23176
diff changeset
  2375
      VM_Version::is_cpuinfo_segv_addr(pc)) {
0f7e268cd9e3 8037226: compiler/7196199/Test7196199.java fails on 32-bit linux with MaxVectorSize > 16
kvn
parents: 23176
diff changeset
  2376
    // Verify that OS save/restore AVX registers.
0f7e268cd9e3 8037226: compiler/7196199/Test7196199.java fails on 32-bit linux with MaxVectorSize > 16
kvn
parents: 23176
diff changeset
  2377
    return Handle_Exception(exceptionInfo, VM_Version::cpuinfo_cont_addr());
0f7e268cd9e3 8037226: compiler/7196199/Test7196199.java fails on 32-bit linux with MaxVectorSize > 16
kvn
parents: 23176
diff changeset
  2378
  }
0f7e268cd9e3 8037226: compiler/7196199/Test7196199.java fails on 32-bit linux with MaxVectorSize > 16
kvn
parents: 23176
diff changeset
  2379
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2380
  if (t != NULL && t->is_Java_thread()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2381
    JavaThread* thread = (JavaThread*) t;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2382
    bool in_java = thread->thread_state() == _thread_in_Java;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2383
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2384
    // Handle potential stack overflows up front.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2385
    if (exception_code == EXCEPTION_STACK_OVERFLOW) {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2386
      if (thread->stack_guards_enabled()) {
40926
2fd1cf3e70e9 8137035: nsk/stress/stack/stack tests got EXCEPTION_STACK_OVERFLOW on Windows 64 bit
fparain
parents: 40667
diff changeset
  2387
        if (in_java) {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2388
          frame fr;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2389
          PEXCEPTION_RECORD exceptionRecord = exceptionInfo->ExceptionRecord;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2390
          address addr = (address) exceptionRecord->ExceptionInformation[1];
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2391
          if (os::win32::get_frame_at_stack_banging_point(thread, exceptionInfo, pc, &fr)) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2392
            assert(fr.is_java_frame(), "Must be a Java frame");
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2393
            SharedRuntime::look_for_reserved_stack_annotated_method(thread, fr);
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2394
          }
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2395
        }
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2396
        // Yellow zone violation.  The o/s has unprotected the first yellow
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2397
        // zone page for us.  Note:  must call disable_stack_yellow_zone to
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2398
        // update the enabled status, even if the zone contains only one page.
40926
2fd1cf3e70e9 8137035: nsk/stress/stack/stack tests got EXCEPTION_STACK_OVERFLOW on Windows 64 bit
fparain
parents: 40667
diff changeset
  2399
        assert(thread->thread_state() != _thread_in_vm, "Undersized StackShadowPages");
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2400
        thread->disable_stack_yellow_reserved_zone();
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2401
        // If not in java code, return and hope for the best.
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2402
        return in_java
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2403
            ? Handle_Exception(exceptionInfo, SharedRuntime::continuation_for_implicit_exception(thread, pc, SharedRuntime::STACK_OVERFLOW))
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2404
            :  EXCEPTION_CONTINUE_EXECUTION;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2405
      } else {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2406
        // Fatal red zone violation.
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2407
        thread->disable_stack_red_zone();
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2408
        tty->print_raw_cr("An unrecoverable stack overflow has occurred.");
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2409
        report_error(t, exception_code, pc, exceptionInfo->ExceptionRecord,
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2410
                      exceptionInfo->ContextRecord);
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2411
        return EXCEPTION_CONTINUE_SEARCH;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2412
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2413
    } else if (exception_code == EXCEPTION_ACCESS_VIOLATION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2414
      // Either stack overflow or null pointer exception.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2415
      if (in_java) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2416
        PEXCEPTION_RECORD exceptionRecord = exceptionInfo->ExceptionRecord;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2417
        address addr = (address) exceptionRecord->ExceptionInformation[1];
35201
996db89f378e 8139864: Improve handling of stack protection zones.
goetz
parents: 35176
diff changeset
  2418
        address stack_end = thread->stack_end();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2419
        if (addr < stack_end && addr >= stack_end - os::vm_page_size()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2420
          // Stack overflow.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2421
          assert(!os::uses_stack_guard_pages(),
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2422
                 "should be caught by red zone code above.");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2423
          return Handle_Exception(exceptionInfo,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2424
                                  SharedRuntime::continuation_for_implicit_exception(thread, pc, SharedRuntime::STACK_OVERFLOW));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2425
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2426
        // Check for safepoint polling and implicit null
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2427
        // We only expect null pointers in the stubs (vtable)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2428
        // the rest are checked explicitly now.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2429
        CodeBlob* cb = CodeCache::find_blob(pc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2430
        if (cb != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2431
          if (os::is_poll_address(addr)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2432
            address stub = SharedRuntime::get_poll_stub(pc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2433
            return Handle_Exception(exceptionInfo, stub);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2434
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2435
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2436
        {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2437
#ifdef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2438
          // If it's a legal stack address map the entire region in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2439
          //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2440
          PEXCEPTION_RECORD exceptionRecord = exceptionInfo->ExceptionRecord;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2441
          address addr = (address) exceptionRecord->ExceptionInformation[1];
35201
996db89f378e 8139864: Improve handling of stack protection zones.
goetz
parents: 35176
diff changeset
  2442
          if (addr > thread->stack_reserved_zone_base() && addr < thread->stack_base()) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2443
            addr = (address)((uintptr_t)addr &
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2444
                             (~((uintptr_t)os::vm_page_size() - (uintptr_t)1)));
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2445
            os::commit_memory((char *)addr, thread->stack_base() - addr,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2446
                              !ExecMem);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2447
            return EXCEPTION_CONTINUE_EXECUTION;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2448
          } else
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2449
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2450
          {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2451
            // Null pointer exception.
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2452
            if (!MacroAssembler::needs_explicit_null_check((intptr_t)addr)) {
1618
2d86b9b84aa5 6739363: Xcheck jni doesn't check native function arguments
poonam
parents: 1421
diff changeset
  2453
              address stub = SharedRuntime::continuation_for_implicit_exception(thread, pc, SharedRuntime::IMPLICIT_NULL);
2d86b9b84aa5 6739363: Xcheck jni doesn't check native function arguments
poonam
parents: 1421
diff changeset
  2454
              if (stub != NULL) return Handle_Exception(exceptionInfo, stub);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2455
            }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2456
            report_error(t, exception_code, pc, exceptionInfo->ExceptionRecord,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2457
                         exceptionInfo->ContextRecord);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2458
            return EXCEPTION_CONTINUE_SEARCH;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2459
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2460
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2461
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2462
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2463
#ifdef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2464
      // Special care for fast JNI field accessors.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2465
      // jni_fast_Get<Primitive>Field can trap at certain pc's if a GC kicks
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2466
      // in and the heap gets shrunk before the field access.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2467
      if (exception_code == EXCEPTION_ACCESS_VIOLATION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2468
        address addr = JNI_FastGetField::find_slowcase_pc(pc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2469
        if (addr != (address)-1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2470
          return Handle_Exception(exceptionInfo, addr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2471
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2472
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2473
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2474
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2475
      // Stack overflow or null pointer exception in native code.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2476
      report_error(t, exception_code, pc, exceptionInfo->ExceptionRecord,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2477
                   exceptionInfo->ContextRecord);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2478
      return EXCEPTION_CONTINUE_SEARCH;
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2479
    } // /EXCEPTION_ACCESS_VIOLATION
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2480
    // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2481
47892
895fddb973a1 6415680: (bf) MappedByteBuffer.get() can provoke crash with EXCEPTION_IN_PAGE_ERROR
jcm
parents: 47881
diff changeset
  2482
    if (exception_code == EXCEPTION_IN_PAGE_ERROR) {
895fddb973a1 6415680: (bf) MappedByteBuffer.get() can provoke crash with EXCEPTION_IN_PAGE_ERROR
jcm
parents: 47881
diff changeset
  2483
      CompiledMethod* nm = NULL;
895fddb973a1 6415680: (bf) MappedByteBuffer.get() can provoke crash with EXCEPTION_IN_PAGE_ERROR
jcm
parents: 47881
diff changeset
  2484
      JavaThread* thread = (JavaThread*)t;
895fddb973a1 6415680: (bf) MappedByteBuffer.get() can provoke crash with EXCEPTION_IN_PAGE_ERROR
jcm
parents: 47881
diff changeset
  2485
      if (in_java) {
895fddb973a1 6415680: (bf) MappedByteBuffer.get() can provoke crash with EXCEPTION_IN_PAGE_ERROR
jcm
parents: 47881
diff changeset
  2486
        CodeBlob* cb = CodeCache::find_blob_unsafe(pc);
895fddb973a1 6415680: (bf) MappedByteBuffer.get() can provoke crash with EXCEPTION_IN_PAGE_ERROR
jcm
parents: 47881
diff changeset
  2487
        nm = (cb != NULL) ? cb->as_compiled_method_or_null() : NULL;
895fddb973a1 6415680: (bf) MappedByteBuffer.get() can provoke crash with EXCEPTION_IN_PAGE_ERROR
jcm
parents: 47881
diff changeset
  2488
      }
895fddb973a1 6415680: (bf) MappedByteBuffer.get() can provoke crash with EXCEPTION_IN_PAGE_ERROR
jcm
parents: 47881
diff changeset
  2489
      if ((thread->thread_state() == _thread_in_vm &&
895fddb973a1 6415680: (bf) MappedByteBuffer.get() can provoke crash with EXCEPTION_IN_PAGE_ERROR
jcm
parents: 47881
diff changeset
  2490
          thread->doing_unsafe_access()) ||
895fddb973a1 6415680: (bf) MappedByteBuffer.get() can provoke crash with EXCEPTION_IN_PAGE_ERROR
jcm
parents: 47881
diff changeset
  2491
          (nm != NULL && nm->has_unsafe_access())) {
895fddb973a1 6415680: (bf) MappedByteBuffer.get() can provoke crash with EXCEPTION_IN_PAGE_ERROR
jcm
parents: 47881
diff changeset
  2492
        return Handle_Exception(exceptionInfo, SharedRuntime::handle_unsafe_access(thread, (address)Assembler::locate_next_instruction(pc)));
895fddb973a1 6415680: (bf) MappedByteBuffer.get() can provoke crash with EXCEPTION_IN_PAGE_ERROR
jcm
parents: 47881
diff changeset
  2493
      }
895fddb973a1 6415680: (bf) MappedByteBuffer.get() can provoke crash with EXCEPTION_IN_PAGE_ERROR
jcm
parents: 47881
diff changeset
  2494
    }
895fddb973a1 6415680: (bf) MappedByteBuffer.get() can provoke crash with EXCEPTION_IN_PAGE_ERROR
jcm
parents: 47881
diff changeset
  2495
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2496
    if (in_java) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2497
      switch (exception_code) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2498
      case EXCEPTION_INT_DIVIDE_BY_ZERO:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2499
        return Handle_Exception(exceptionInfo, SharedRuntime::continuation_for_implicit_exception(thread, pc, SharedRuntime::IMPLICIT_DIVIDE_BY_ZERO));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2500
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2501
      case EXCEPTION_INT_OVERFLOW:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2502
        return Handle_IDiv_Exception(exceptionInfo);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2503
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2504
      } // switch
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2505
    }
7692
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2506
    if (((thread->thread_state() == _thread_in_Java) ||
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2507
         (thread->thread_state() == _thread_in_native)) &&
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2508
         exception_code != EXCEPTION_UNCAUGHT_CXX_EXCEPTION) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2509
      LONG result=Handle_FLT_Exception(exceptionInfo);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2510
      if (result==EXCEPTION_CONTINUE_EXECUTION) return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2511
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2512
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2513
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2514
  if (exception_code != EXCEPTION_BREAKPOINT) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2515
    report_error(t, exception_code, pc, exceptionInfo->ExceptionRecord,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2516
                 exceptionInfo->ContextRecord);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2517
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2518
  return EXCEPTION_CONTINUE_SEARCH;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2519
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2520
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2521
#ifndef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2522
// Special care for fast JNI accessors.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2523
// jni_fast_Get<Primitive>Field can trap at certain pc's if a GC kicks in and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2524
// the heap gets shrunk before the field access.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2525
// Need to install our own structured exception handler since native code may
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2526
// install its own.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2527
LONG WINAPI fastJNIAccessorExceptionFilter(struct _EXCEPTION_POINTERS* exceptionInfo) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2528
  DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2529
  if (exception_code == EXCEPTION_ACCESS_VIOLATION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2530
    address pc = (address) exceptionInfo->ContextRecord->Eip;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2531
    address addr = JNI_FastGetField::find_slowcase_pc(pc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2532
    if (addr != (address)-1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2533
      return Handle_Exception(exceptionInfo, addr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2534
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2535
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2536
  return EXCEPTION_CONTINUE_SEARCH;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2537
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2538
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2539
#define DEFINE_FAST_GETFIELD(Return, Fieldname, Result)                     \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2540
  Return JNICALL jni_fast_Get##Result##Field_wrapper(JNIEnv *env,           \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2541
                                                     jobject obj,           \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2542
                                                     jfieldID fieldID) {    \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2543
    __try {                                                                 \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2544
      return (*JNI_FastGetField::jni_fast_Get##Result##Field_fp)(env,       \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2545
                                                                 obj,       \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2546
                                                                 fieldID);  \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2547
    } __except(fastJNIAccessorExceptionFilter((_EXCEPTION_POINTERS*)        \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2548
                                              _exception_info())) {         \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2549
    }                                                                       \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2550
    return 0;                                                               \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2551
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2552
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2553
DEFINE_FAST_GETFIELD(jboolean, bool,   Boolean)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2554
DEFINE_FAST_GETFIELD(jbyte,    byte,   Byte)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2555
DEFINE_FAST_GETFIELD(jchar,    char,   Char)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2556
DEFINE_FAST_GETFIELD(jshort,   short,  Short)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2557
DEFINE_FAST_GETFIELD(jint,     int,    Int)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2558
DEFINE_FAST_GETFIELD(jlong,    long,   Long)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2559
DEFINE_FAST_GETFIELD(jfloat,   float,  Float)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2560
DEFINE_FAST_GETFIELD(jdouble,  double, Double)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2561
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2562
address os::win32::fast_jni_accessor_wrapper(BasicType type) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2563
  switch (type) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2564
  case T_BOOLEAN: return (address)jni_fast_GetBooleanField_wrapper;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2565
  case T_BYTE:    return (address)jni_fast_GetByteField_wrapper;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2566
  case T_CHAR:    return (address)jni_fast_GetCharField_wrapper;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2567
  case T_SHORT:   return (address)jni_fast_GetShortField_wrapper;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2568
  case T_INT:     return (address)jni_fast_GetIntField_wrapper;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2569
  case T_LONG:    return (address)jni_fast_GetLongField_wrapper;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2570
  case T_FLOAT:   return (address)jni_fast_GetFloatField_wrapper;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2571
  case T_DOUBLE:  return (address)jni_fast_GetDoubleField_wrapper;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2572
  default:        ShouldNotReachHere();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2573
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2574
  return (address)-1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2575
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2576
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2577
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2578
// Virtual Memory
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2579
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2580
int os::vm_page_size() { return os::win32::vm_page_size(); }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2581
int os::vm_allocation_granularity() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2582
  return os::win32::vm_allocation_granularity();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2583
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2584
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2585
// Windows large page support is available on Windows 2003. In order to use
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2586
// large page memory, the administrator must first assign additional privilege
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2587
// to the user:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2588
//   + select Control Panel -> Administrative Tools -> Local Security Policy
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2589
//   + select Local Policies -> User Rights Assignment
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2590
//   + double click "Lock pages in memory", add users and/or groups
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2591
//   + reboot
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2592
// Note the above steps are needed for administrator as well, as administrators
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2593
// by default do not have the privilege to lock pages in memory.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2594
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2595
// Note about Windows 2003: although the API supports committing large page
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2596
// memory on a page-by-page basis and VirtualAlloc() returns success under this
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2597
// scenario, I found through experiment it only uses large page if the entire
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2598
// memory region is reserved and committed in a single VirtualAlloc() call.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2599
// This makes Windows large page support more or less like Solaris ISM, in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2600
// that the entire heap must be committed upfront. This probably will change
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2601
// in the future, if so the code below needs to be revisited.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2602
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2603
#ifndef MEM_LARGE_PAGES
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2604
  #define MEM_LARGE_PAGES 0x20000000
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2605
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2606
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2607
static HANDLE    _hProcess;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2608
static HANDLE    _hToken;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2609
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2610
// Container for NUMA node list info
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2611
class NUMANodeListHolder {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2612
 private:
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2613
  int *_numa_used_node_list;  // allocated below
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2614
  int _numa_used_node_count;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2615
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2616
  void free_node_list() {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2617
    if (_numa_used_node_list != NULL) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  2618
      FREE_C_HEAP_ARRAY(int, _numa_used_node_list);
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2619
    }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2620
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2621
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2622
 public:
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2623
  NUMANodeListHolder() {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2624
    _numa_used_node_count = 0;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2625
    _numa_used_node_list = NULL;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2626
    // do rest of initialization in build routine (after function pointers are set up)
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2627
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2628
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2629
  ~NUMANodeListHolder() {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2630
    free_node_list();
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2631
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2632
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2633
  bool build() {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2634
    DWORD_PTR proc_aff_mask;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2635
    DWORD_PTR sys_aff_mask;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2636
    if (!GetProcessAffinityMask(GetCurrentProcess(), &proc_aff_mask, &sys_aff_mask)) return false;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2637
    ULONG highest_node_number;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2638
    if (!GetNumaHighestNodeNumber(&highest_node_number)) return false;
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2639
    free_node_list();
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  2640
    _numa_used_node_list = NEW_C_HEAP_ARRAY(int, highest_node_number + 1, mtInternal);
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2641
    for (unsigned int i = 0; i <= highest_node_number; i++) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2642
      ULONGLONG proc_mask_numa_node;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2643
      if (!GetNumaNodeProcessorMask(i, &proc_mask_numa_node)) return false;
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2644
      if ((proc_aff_mask & proc_mask_numa_node)!=0) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2645
        _numa_used_node_list[_numa_used_node_count++] = i;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2646
      }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2647
    }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2648
    return (_numa_used_node_count > 1);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2649
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2650
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  2651
  int get_count() { return _numa_used_node_count; }
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2652
  int get_node_list_entry(int n) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2653
    // for indexes out of range, returns -1
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2654
    return (n < _numa_used_node_count ? _numa_used_node_list[n] : -1);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2655
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2656
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2657
} numa_node_list_holder;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2658
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2659
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2660
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2661
static size_t _large_page_size = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2662
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2663
static bool request_lock_memory_privilege() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2664
  _hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2665
                          os::current_process_id());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2666
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2667
  LUID luid;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2668
  if (_hProcess != NULL &&
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2669
      OpenProcessToken(_hProcess, TOKEN_ADJUST_PRIVILEGES, &_hToken) &&
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2670
      LookupPrivilegeValue(NULL, "SeLockMemoryPrivilege", &luid)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2671
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2672
    TOKEN_PRIVILEGES tp;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2673
    tp.PrivilegeCount = 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2674
    tp.Privileges[0].Luid = luid;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2675
    tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2676
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2677
    // AdjustTokenPrivileges() may return TRUE even when it couldn't change the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2678
    // privilege. Check GetLastError() too. See MSDN document.
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2679
    if (AdjustTokenPrivileges(_hToken, false, &tp, sizeof(tp), NULL, NULL) &&
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2680
        (GetLastError() == ERROR_SUCCESS)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2681
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2682
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2683
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2684
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2685
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2686
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2687
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2688
static void cleanup_after_large_page_init() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2689
  if (_hProcess) CloseHandle(_hProcess);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2690
  _hProcess = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2691
  if (_hToken) CloseHandle(_hToken);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2692
  _hToken = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2693
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2694
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2695
static bool numa_interleaving_init() {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2696
  bool success = false;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2697
  bool use_numa_interleaving_specified = !FLAG_IS_DEFAULT(UseNUMAInterleaving);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2698
10527
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  2699
  // print a warning if UseNUMAInterleaving flag is specified on command line
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  2700
  bool warn_on_failure = use_numa_interleaving_specified;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2701
#define WARN(msg) if (warn_on_failure) { warning(msg); }
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2702
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2703
  // NUMAInterleaveGranularity cannot be less than vm_allocation_granularity (or _large_page_size if using large pages)
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2704
  size_t min_interleave_granularity = UseLargePages ? _large_page_size : os::vm_allocation_granularity();
46619
a3919f5e8d2b 8178499: Remove _ptr_ and _size_ infixes from align functions
stefank
parents: 46618
diff changeset
  2705
  NUMAInterleaveGranularity = align_up(NUMAInterleaveGranularity, min_interleave_granularity);
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2706
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2707
  if (numa_node_list_holder.build()) {
37430
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  2708
    if (log_is_enabled(Debug, os, cpu)) {
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  2709
      Log(os, cpu) log;
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  2710
      log.debug("NUMA UsedNodeCount=%d, namely ", numa_node_list_holder.get_count());
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2711
      for (int i = 0; i < numa_node_list_holder.get_count(); i++) {
37430
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  2712
        log.debug("  %d ", numa_node_list_holder.get_node_list_entry(i));
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2713
      }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2714
    }
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2715
    success = true;
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2716
  } else {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2717
    WARN("Process does not cover multiple NUMA nodes.");
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2718
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2719
  if (!success) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2720
    if (use_numa_interleaving_specified) WARN("...Ignoring UseNUMAInterleaving flag.");
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2721
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2722
  return success;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2723
#undef WARN
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2724
}
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2725
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2726
// this routine is used whenever we need to reserve a contiguous VA range
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2727
// but we need to make separate VirtualAlloc calls for each piece of the range
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2728
// Reasons for doing this:
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2729
//  * UseLargePagesIndividualAllocation was set (normally only needed on WS2003 but possible to be set otherwise)
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2730
//  * UseNUMAInterleaving requires a separate node for each piece
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2731
static char* allocate_pages_individually(size_t bytes, char* addr, DWORD flags,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2732
                                         DWORD prot,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2733
                                         bool should_inject_error = false) {
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2734
  char * p_buf;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2735
  // note: at setup time we guaranteed that NUMAInterleaveGranularity was aligned up to a page size
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2736
  size_t page_size = UseLargePages ? _large_page_size : os::vm_allocation_granularity();
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2737
  size_t chunk_size = UseNUMAInterleaving ? NUMAInterleaveGranularity : page_size;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2738
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2739
  // first reserve enough address space in advance since we want to be
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2740
  // able to break a single contiguous virtual address range into multiple
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2741
  // large page commits but WS2003 does not allow reserving large page space
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2742
  // so we just use 4K pages for reserve, this gives us a legal contiguous
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2743
  // address space. then we will deallocate that reservation, and re alloc
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2744
  // using large pages
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2745
  const size_t size_of_reserve = bytes + chunk_size;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2746
  if (bytes > size_of_reserve) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2747
    // Overflowed.
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2748
    return NULL;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2749
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2750
  p_buf = (char *) VirtualAlloc(addr,
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2751
                                size_of_reserve,  // size of Reserve
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2752
                                MEM_RESERVE,
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2753
                                PAGE_READWRITE);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2754
  // If reservation failed, return NULL
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2755
  if (p_buf == NULL) return NULL;
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 25719
diff changeset
  2756
  MemTracker::record_virtual_memory_reserve((address)p_buf, size_of_reserve, CALLER_PC);
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2757
  os::release_memory(p_buf, bytes + chunk_size);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2758
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2759
  // we still need to round up to a page boundary (in case we are using large pages)
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2760
  // but not to a chunk boundary (in case InterleavingGranularity doesn't align with page size)
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2761
  // instead we handle this in the bytes_to_rq computation below
46619
a3919f5e8d2b 8178499: Remove _ptr_ and _size_ infixes from align functions
stefank
parents: 46618
diff changeset
  2762
  p_buf = align_up(p_buf, page_size);
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2763
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2764
  // now go through and allocate one chunk at a time until all bytes are
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2765
  // allocated
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2766
  size_t  bytes_remaining = bytes;
46619
a3919f5e8d2b 8178499: Remove _ptr_ and _size_ infixes from align functions
stefank
parents: 46618
diff changeset
  2767
  // An overflow of align_up() would have been caught above
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2768
  // in the calculation of size_of_reserve.
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2769
  char * next_alloc_addr = p_buf;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2770
  HANDLE hProc = GetCurrentProcess();
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2771
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2772
#ifdef ASSERT
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2773
  // Variable for the failure injection
46587
6c97f34cb194 8182554: Code for os::random() assumes long is 32 bits
coleenp
parents: 46529
diff changeset
  2774
  int ran_num = os::random();
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2775
  size_t fail_after = ran_num % bytes;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2776
#endif
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2777
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2778
  int count=0;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2779
  while (bytes_remaining) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2780
    // select bytes_to_rq to get to the next chunk_size boundary
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2781
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2782
    size_t bytes_to_rq = MIN2(bytes_remaining, chunk_size - ((size_t)next_alloc_addr % chunk_size));
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2783
    // Note allocate and commit
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2784
    char * p_new;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2785
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2786
#ifdef ASSERT
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2787
    bool inject_error_now = should_inject_error && (bytes_remaining <= fail_after);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2788
#else
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2789
    const bool inject_error_now = false;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2790
#endif
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2791
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2792
    if (inject_error_now) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2793
      p_new = NULL;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2794
    } else {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2795
      if (!UseNUMAInterleaving) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2796
        p_new = (char *) VirtualAlloc(next_alloc_addr,
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2797
                                      bytes_to_rq,
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2798
                                      flags,
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2799
                                      prot);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2800
      } else {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2801
        // get the next node to use from the used_node_list
10527
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  2802
        assert(numa_node_list_holder.get_count() > 0, "Multiple NUMA nodes expected");
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  2803
        DWORD node = numa_node_list_holder.get_node_list_entry(count % numa_node_list_holder.get_count());
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2804
        p_new = (char *)VirtualAllocExNuma(hProc, next_alloc_addr, bytes_to_rq, flags, prot, node);
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2805
      }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2806
    }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2807
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2808
    if (p_new == NULL) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2809
      // Free any allocated pages
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2810
      if (next_alloc_addr > p_buf) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2811
        // Some memory was committed so release it.
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2812
        size_t bytes_to_release = bytes - bytes_remaining;
15927
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  2813
        // NMT has yet to record any individual blocks, so it
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  2814
        // need to create a dummy 'reserve' record to match
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  2815
        // the release.
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  2816
        MemTracker::record_virtual_memory_reserve((address)p_buf,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2817
                                                  bytes_to_release, CALLER_PC);
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2818
        os::release_memory(p_buf, bytes_to_release);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2819
      }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2820
#ifdef ASSERT
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2821
      if (should_inject_error) {
37462
58bb9394a98b 8152491: Convert TracePageSizes to use UL
stefank
parents: 37430
diff changeset
  2822
        log_develop_debug(pagesize)("Reserving pages individually failed.");
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2823
      }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2824
#endif
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2825
      return NULL;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2826
    }
15927
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  2827
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2828
    bytes_remaining -= bytes_to_rq;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2829
    next_alloc_addr += bytes_to_rq;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2830
    count++;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2831
  }
15927
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  2832
  // Although the memory is allocated individually, it is returned as one.
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  2833
  // NMT records it as one block.
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  2834
  if ((flags & MEM_COMMIT) != 0) {
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 25719
diff changeset
  2835
    MemTracker::record_virtual_memory_reserve_and_commit((address)p_buf, bytes, CALLER_PC);
18086
f44cf213a775 8013651: NMT: reserve/release sequence id's in incorrect order due to race
zgu
parents: 18069
diff changeset
  2836
  } else {
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 25719
diff changeset
  2837
    MemTracker::record_virtual_memory_reserve((address)p_buf, bytes, CALLER_PC);
15927
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  2838
  }
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  2839
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2840
  // made it this far, success
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2841
  return p_buf;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2842
}
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2843
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2844
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2845
9419
f0360dfe734d 7040485: Use transparent huge page on linux by default
iveresov
parents: 9167
diff changeset
  2846
void os::large_page_init() {
f0360dfe734d 7040485: Use transparent huge page on linux by default
iveresov
parents: 9167
diff changeset
  2847
  if (!UseLargePages) return;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2848
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2849
  // print a warning if any large page related flag is specified on command line
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2850
  bool warn_on_failure = !FLAG_IS_DEFAULT(UseLargePages) ||
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2851
                         !FLAG_IS_DEFAULT(LargePageSizeInBytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2852
  bool success = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2853
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2854
#define WARN(msg) if (warn_on_failure) { warning(msg); }
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2855
  if (request_lock_memory_privilege()) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2856
    size_t s = GetLargePageMinimum();
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2857
    if (s) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2858
#if defined(IA32) || defined(AMD64)
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2859
      if (s > 4*M || LargePageSizeInBytes > 4*M) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2860
        WARN("JVM cannot use large pages bigger than 4mb.");
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2861
      } else {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2862
#endif
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2863
        if (LargePageSizeInBytes && LargePageSizeInBytes % s == 0) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2864
          _large_page_size = LargePageSizeInBytes;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2865
        } else {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2866
          _large_page_size = s;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2867
        }
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2868
        success = true;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2869
#if defined(IA32) || defined(AMD64)
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2870
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2871
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2872
    } else {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2873
      WARN("Large page is not supported by the processor.");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2874
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2875
  } else {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2876
    WARN("JVM cannot use large page memory because it does not have enough privilege to lock pages in memory.");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2877
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2878
#undef WARN
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2879
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2880
  const size_t default_page_size = (size_t) vm_page_size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2881
  if (success && _large_page_size > default_page_size) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2882
    _page_sizes[0] = _large_page_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2883
    _page_sizes[1] = default_page_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2884
    _page_sizes[2] = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2885
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2886
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2887
  cleanup_after_large_page_init();
9419
f0360dfe734d 7040485: Use transparent huge page on linux by default
iveresov
parents: 9167
diff changeset
  2888
  UseLargePages = success;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2889
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2890
48153
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2891
int os::create_file_for_heap(const char* dir) {
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2892
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2893
  const char name_template[] = "/jvmheap.XXXXXX";
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2894
  char *fullname = (char*)os::malloc((strlen(dir) + strlen(name_template) + 1), mtInternal);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2895
  if (fullname == NULL) {
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2896
    vm_exit_during_initialization(err_msg("Malloc failed during creation of backing file for heap (%s)", os::strerror(errno)));
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2897
    return -1;
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2898
  }
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2899
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2900
  (void)strncpy(fullname, dir, strlen(dir)+1);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2901
  (void)strncat(fullname, name_template, strlen(name_template));
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2902
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2903
  os::native_path(fullname);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2904
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2905
  char *path = _mktemp(fullname);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2906
  if (path == NULL) {
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2907
    warning("_mktemp could not create file name from template %s (%s)", fullname, os::strerror(errno));
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2908
    os::free(fullname);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2909
    return -1;
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2910
  }
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2911
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2912
  int fd = _open(path, O_RDWR | O_CREAT | O_TEMPORARY | O_EXCL, S_IWRITE | S_IREAD);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2913
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2914
  os::free(fullname);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2915
  if (fd < 0) {
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2916
    warning("Problem opening file for heap (%s)", os::strerror(errno));
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2917
    return -1;
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2918
  }
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2919
  return fd;
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2920
}
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2921
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2922
// If 'base' is not NULL, function will return NULL if it cannot get 'base'
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2923
char* os::map_memory_to_file(char* base, size_t size, int fd) {
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2924
  assert(fd != -1, "File descriptor is not valid");
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2925
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2926
  HANDLE fh = (HANDLE)_get_osfhandle(fd);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2927
#ifdef _LP64
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2928
  HANDLE fileMapping = CreateFileMapping(fh, NULL, PAGE_READWRITE,
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2929
    (DWORD)(size >> 32), (DWORD)(size & 0xFFFFFFFF), NULL);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2930
#else
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2931
  HANDLE fileMapping = CreateFileMapping(fh, NULL, PAGE_READWRITE,
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2932
    0, (DWORD)size, NULL);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2933
#endif
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2934
  if (fileMapping == NULL) {
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2935
    if (GetLastError() == ERROR_DISK_FULL) {
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2936
      vm_exit_during_initialization(err_msg("Could not allocate sufficient disk space for Java heap"));
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2937
    }
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2938
    else {
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2939
      vm_exit_during_initialization(err_msg("Error in mapping Java heap at the given filesystem directory"));
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2940
    }
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2941
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2942
    return NULL;
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2943
  }
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2944
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2945
  LPVOID addr = MapViewOfFileEx(fileMapping, FILE_MAP_WRITE, 0, 0, size, base);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2946
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2947
  CloseHandle(fileMapping);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2948
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2949
  return (char*)addr;
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2950
}
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2951
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2952
char* os::replace_existing_mapping_with_file_mapping(char* base, size_t size, int fd) {
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2953
  assert(fd != -1, "File descriptor is not valid");
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2954
  assert(base != NULL, "Base address cannot be NULL");
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2955
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2956
  release_memory(base, size);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2957
  return map_memory_to_file(base, size, fd);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2958
}
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2959
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2960
// On win32, one cannot release just a part of reserved memory, it's an
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2961
// all or nothing deal.  When we split a reservation, we must break the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2962
// reservation into two reservations.
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  2963
void os::pd_split_reserved_memory(char *base, size_t size, size_t split,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2964
                                  bool realloc) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2965
  if (size > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2966
    release_memory(base, size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2967
    if (realloc) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2968
      reserve_memory(split, base);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2969
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2970
    if (size != split) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2971
      reserve_memory(size - split, base + split);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2972
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2973
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2974
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2975
14840
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2976
// Multiple threads can race in this code but it's not possible to unmap small sections of
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2977
// virtual space to get requested alignment, like posix-like os's.
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2978
// Windows prevents multiple thread from remapping over each other so this loop is thread-safe.
48153
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2979
char* os::reserve_memory_aligned(size_t size, size_t alignment, int file_desc) {
14840
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2980
  assert((alignment & (os::vm_allocation_granularity() - 1)) == 0,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2981
         "Alignment must be a multiple of allocation granularity (page size)");
14840
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2982
  assert((size & (alignment -1)) == 0, "size must be 'alignment' aligned");
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2983
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2984
  size_t extra_size = size + alignment;
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2985
  assert(extra_size >= size, "overflow, size is too large to allow alignment");
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2986
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2987
  char* aligned_base = NULL;
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2988
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2989
  do {
48153
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2990
    char* extra_base = os::reserve_memory(extra_size, NULL, alignment, file_desc);
14840
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2991
    if (extra_base == NULL) {
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2992
      return NULL;
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2993
    }
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2994
    // Do manual alignment
46619
a3919f5e8d2b 8178499: Remove _ptr_ and _size_ infixes from align functions
stefank
parents: 46618
diff changeset
  2995
    aligned_base = align_up(extra_base, alignment);
14840
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  2996
48153
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2997
    if (file_desc != -1) {
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2998
      os::unmap_memory(extra_base, extra_size);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  2999
    } else {
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  3000
      os::release_memory(extra_base, extra_size);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  3001
    }
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  3002
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  3003
    aligned_base = os::reserve_memory(size, aligned_base, 0, file_desc);
14840
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3004
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3005
  } while (aligned_base == NULL);
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3006
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3007
  return aligned_base;
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3008
}
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3009
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3010
char* os::pd_reserve_memory(size_t bytes, char* addr, size_t alignment_hint) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3011
  assert((size_t)addr % os::vm_allocation_granularity() == 0,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3012
         "reserve alignment");
28014
3ca57ef4f132 8065788: os::reserve_memory() on Windows should not assert that allocation size is aligned to OS allocation granularity
mgronlun
parents: 27880
diff changeset
  3013
  assert(bytes % os::vm_page_size() == 0, "reserve page size");
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3014
  char* res;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3015
  // note that if UseLargePages is on, all the areas that require interleaving
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3016
  // will go thru reserve_memory_special rather than thru here.
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3017
  bool use_individual = (UseNUMAInterleaving && !UseLargePages);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3018
  if (!use_individual) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3019
    res = (char*)VirtualAlloc(addr, bytes, MEM_RESERVE, PAGE_READWRITE);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3020
  } else {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3021
    elapsedTimer reserveTimer;
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3022
    if (Verbose && PrintMiscellaneous) reserveTimer.start();
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3023
    // in numa interleaving, we have to allocate pages individually
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3024
    // (well really chunks of NUMAInterleaveGranularity size)
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3025
    res = allocate_pages_individually(bytes, addr, MEM_RESERVE, PAGE_READWRITE);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3026
    if (res == NULL) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3027
      warning("NUMA page allocation failed");
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3028
    }
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3029
    if (Verbose && PrintMiscellaneous) {
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3030
      reserveTimer.stop();
15228
e92acc84ade3 7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents: 15098
diff changeset
  3031
      tty->print_cr("reserve_memory of %Ix bytes took " JLONG_FORMAT " ms (" JLONG_FORMAT " ticks)", bytes,
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3032
                    reserveTimer.milliseconds(), reserveTimer.ticks());
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3033
    }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3034
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3035
  assert(res == NULL || addr == NULL || addr == res,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3036
         "Unexpected address from reserve.");
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3037
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3038
  return res;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3039
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3040
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3041
// Reserve memory at an arbitrary address, only if that area is
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3042
// available (and not reserved for something else).
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3043
char* os::pd_attempt_reserve_memory_at(size_t bytes, char* requested_addr) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3044
  // Windows os::reserve_memory() fails of the requested address range is
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3045
  // not avilable.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3046
  return reserve_memory(bytes, requested_addr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3047
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3048
48153
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  3049
char* os::pd_attempt_reserve_memory_at(size_t bytes, char* requested_addr, int file_desc) {
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  3050
  assert(file_desc >= 0, "file_desc is not valid");
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  3051
  return map_memory_to_file(requested_addr, bytes, file_desc);
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  3052
}
cfa2c43e58c2 8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents: 48105
diff changeset
  3053
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3054
size_t os::large_page_size() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3055
  return _large_page_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3056
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3057
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3058
bool os::can_commit_large_page_memory() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3059
  // Windows only uses large page memory when the entire region is reserved
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3060
  // and committed in a single VirtualAlloc() call. This may change in the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3061
  // future, but with Windows 2003 it's not possible to commit on demand.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3062
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3063
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3064
252
050143a0dbfb 6642862: Code cache allocation fails with large pages after 6588638
jcoomes
parents: 235
diff changeset
  3065
bool os::can_execute_large_page_memory() {
050143a0dbfb 6642862: Code cache allocation fails with large pages after 6588638
jcoomes
parents: 235
diff changeset
  3066
  return true;
050143a0dbfb 6642862: Code cache allocation fails with large pages after 6588638
jcoomes
parents: 235
diff changeset
  3067
}
050143a0dbfb 6642862: Code cache allocation fails with large pages after 6588638
jcoomes
parents: 235
diff changeset
  3068
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3069
char* os::reserve_memory_special(size_t bytes, size_t alignment, char* addr,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3070
                                 bool exec) {
19546
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19274
diff changeset
  3071
  assert(UseLargePages, "only for large pages");
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19274
diff changeset
  3072
46619
a3919f5e8d2b 8178499: Remove _ptr_ and _size_ infixes from align functions
stefank
parents: 46618
diff changeset
  3073
  if (!is_aligned(bytes, os::large_page_size()) || alignment > os::large_page_size()) {
19546
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19274
diff changeset
  3074
    return NULL; // Fallback to small pages.
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19274
diff changeset
  3075
  }
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3076
2561
a62b5317b682 6830069: UseLargePages is broken on Win64
coleenp
parents: 2358
diff changeset
  3077
  const DWORD prot = exec ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE;
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3078
  const DWORD flags = MEM_RESERVE | MEM_COMMIT | MEM_LARGE_PAGES;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3079
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3080
  // with large pages, there are two cases where we need to use Individual Allocation
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3081
  // 1) the UseLargePagesIndividualAllocation flag is set (set by default on WS2003)
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3082
  // 2) NUMA Interleaving is enabled, in which case we use a different node for each page
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3083
  if (UseLargePagesIndividualAllocation || UseNUMAInterleaving) {
37462
58bb9394a98b 8152491: Convert TracePageSizes to use UL
stefank
parents: 37430
diff changeset
  3084
    log_debug(pagesize)("Reserving large pages individually.");
58bb9394a98b 8152491: Convert TracePageSizes to use UL
stefank
parents: 37430
diff changeset
  3085
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3086
    char * p_buf = allocate_pages_individually(bytes, addr, flags, prot, LargePagesIndividualAllocationInjectError);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3087
    if (p_buf == NULL) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3088
      // give an appropriate warning message
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3089
      if (UseNUMAInterleaving) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3090
        warning("NUMA large page allocation failed, UseLargePages flag ignored");
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3091
      }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3092
      if (UseLargePagesIndividualAllocation) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3093
        warning("Individually allocated large pages failed, "
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3094
                "use -XX:-UseLargePagesIndividualAllocation to turn off");
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3095
      }
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3096
      return NULL;
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3097
    }
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3098
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3099
    return p_buf;
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3100
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3101
  } else {
37462
58bb9394a98b 8152491: Convert TracePageSizes to use UL
stefank
parents: 37430
diff changeset
  3102
    log_debug(pagesize)("Reserving large pages in a single large chunk.");
58bb9394a98b 8152491: Convert TracePageSizes to use UL
stefank
parents: 37430
diff changeset
  3103
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3104
    // normal policy just allocate it all at once
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3105
    DWORD flag = MEM_RESERVE | MEM_COMMIT | MEM_LARGE_PAGES;
19981
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  3106
    char * res = (char *)VirtualAlloc(addr, bytes, flag, prot);
15927
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  3107
    if (res != NULL) {
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 25719
diff changeset
  3108
      MemTracker::record_virtual_memory_reserve_and_commit((address)res, bytes, CALLER_PC);
15927
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  3109
    }
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  3110
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3111
    return res;
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3112
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3113
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3114
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3115
bool os::release_memory_special(char* base, size_t bytes) {
15927
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  3116
  assert(base != NULL, "Sanity check");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3117
  return release_memory(base, bytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3118
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3119
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3120
void os::print_statistics() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3121
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3122
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3123
static void warn_fail_commit_memory(char* addr, size_t bytes, bool exec) {
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3124
  int err = os::get_last_error();
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3125
  char buf[256];
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3126
  size_t buf_len = os::lasterror(buf, sizeof(buf));
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3127
  warning("INFO: os::commit_memory(" PTR_FORMAT ", " SIZE_FORMAT
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3128
          ", %d) failed; error='%s' (DOS error/errno=%d)", addr, bytes,
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3129
          exec, buf_len != 0 ? buf : "<no_error_string>", err);
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3130
}
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3131
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3132
bool os::pd_commit_memory(char* addr, size_t bytes, bool exec) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3133
  if (bytes == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3134
    // Don't bother the OS with noops.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3135
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3136
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3137
  assert((size_t) addr % os::vm_page_size() == 0, "commit on page boundaries");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3138
  assert(bytes % os::vm_page_size() == 0, "commit in page-sized chunks");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3139
  // Don't attempt to print anything if the OS call fails. We're
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3140
  // probably low on resources, so the print itself may cause crashes.
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3141
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3142
  // unless we have NUMAInterleaving enabled, the range of a commit
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3143
  // is always within a reserve covered by a single VirtualAlloc
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3144
  // in that case we can just do a single commit for the requested size
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3145
  if (!UseNUMAInterleaving) {
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3146
    if (VirtualAlloc(addr, bytes, MEM_COMMIT, PAGE_READWRITE) == NULL) {
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3147
      NOT_PRODUCT(warn_fail_commit_memory(addr, bytes, exec);)
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3148
      return false;
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3149
    }
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3150
    if (exec) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3151
      DWORD oldprot;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3152
      // Windows doc says to use VirtualProtect to get execute permissions
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3153
      if (!VirtualProtect(addr, bytes, PAGE_EXECUTE_READWRITE, &oldprot)) {
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3154
        NOT_PRODUCT(warn_fail_commit_memory(addr, bytes, exec);)
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3155
        return false;
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3156
      }
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3157
    }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3158
    return true;
2268
bea8be80ec88 6541756: Reduce executable C-heap
coleenp
parents: 2259
diff changeset
  3159
  } else {
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3160
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3161
    // when NUMAInterleaving is enabled, the commit might cover a range that
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3162
    // came from multiple VirtualAlloc reserves (using allocate_pages_individually).
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3163
    // VirtualQuery can help us determine that.  The RegionSize that VirtualQuery
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3164
    // returns represents the number of bytes that can be committed in one step.
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3165
    size_t bytes_remaining = bytes;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3166
    char * next_alloc_addr = addr;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3167
    while (bytes_remaining > 0) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3168
      MEMORY_BASIC_INFORMATION alloc_info;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3169
      VirtualQuery(next_alloc_addr, &alloc_info, sizeof(alloc_info));
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3170
      size_t bytes_to_rq = MIN2(bytes_remaining, (size_t)alloc_info.RegionSize);
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3171
      if (VirtualAlloc(next_alloc_addr, bytes_to_rq, MEM_COMMIT,
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3172
                       PAGE_READWRITE) == NULL) {
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3173
        NOT_PRODUCT(warn_fail_commit_memory(next_alloc_addr, bytes_to_rq,
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3174
                                            exec);)
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3175
        return false;
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3176
      }
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3177
      if (exec) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3178
        DWORD oldprot;
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3179
        if (!VirtualProtect(next_alloc_addr, bytes_to_rq,
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3180
                            PAGE_EXECUTE_READWRITE, &oldprot)) {
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3181
          NOT_PRODUCT(warn_fail_commit_memory(next_alloc_addr, bytes_to_rq,
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3182
                                              exec);)
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3183
          return false;
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3184
        }
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3185
      }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3186
      bytes_remaining -= bytes_to_rq;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3187
      next_alloc_addr += bytes_to_rq;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3188
    }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3189
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3190
  // if we made it this far, return true
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3191
  return true;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3192
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3193
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3194
bool os::pd_commit_memory(char* addr, size_t size, size_t alignment_hint,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3195
                          bool exec) {
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3196
  // alignment_hint is ignored on this OS
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3197
  return pd_commit_memory(addr, size, exec);
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3198
}
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3199
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3200
void os::pd_commit_memory_or_exit(char* addr, size_t size, bool exec,
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3201
                                  const char* mesg) {
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3202
  assert(mesg != NULL, "mesg must be specified");
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3203
  if (!pd_commit_memory(addr, size, exec)) {
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3204
    warn_fail_commit_memory(addr, size, exec);
33105
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 32748
diff changeset
  3205
    vm_exit_out_of_memory(size, OOM_MMAP_ERROR, "%s", mesg);
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3206
  }
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3207
}
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3208
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3209
void os::pd_commit_memory_or_exit(char* addr, size_t size,
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3210
                                  size_t alignment_hint, bool exec,
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3211
                                  const char* mesg) {
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3212
  // alignment_hint is ignored on this OS
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3213
  pd_commit_memory_or_exit(addr, size, exec, mesg);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3214
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3215
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3216
bool os::pd_uncommit_memory(char* addr, size_t bytes) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3217
  if (bytes == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3218
    // Don't bother the OS with noops.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3219
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3220
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3221
  assert((size_t) addr % os::vm_page_size() == 0, "uncommit on page boundaries");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3222
  assert(bytes % os::vm_page_size() == 0, "uncommit in page-sized chunks");
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3223
  return (VirtualFree(addr, bytes, MEM_DECOMMIT) != 0);
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3224
}
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3225
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3226
bool os::pd_release_memory(char* addr, size_t bytes) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3227
  return VirtualFree(addr, 0, MEM_RELEASE) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3228
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3229
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3230
bool os::pd_create_stack_guard_pages(char* addr, size_t size) {
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3231
  return os::commit_memory(addr, size, !ExecMem);
5085
4f0c435f8c3c 6929067: Stack guard pages should be removed when thread is detached
coleenp
parents: 4763
diff changeset
  3232
}
4f0c435f8c3c 6929067: Stack guard pages should be removed when thread is detached
coleenp
parents: 4763
diff changeset
  3233
4f0c435f8c3c 6929067: Stack guard pages should be removed when thread is detached
coleenp
parents: 4763
diff changeset
  3234
bool os::remove_stack_guard_pages(char* addr, size_t size) {
4f0c435f8c3c 6929067: Stack guard pages should be removed when thread is detached
coleenp
parents: 4763
diff changeset
  3235
  return os::uncommit_memory(addr, size);
4f0c435f8c3c 6929067: Stack guard pages should be removed when thread is detached
coleenp
parents: 4763
diff changeset
  3236
}
4f0c435f8c3c 6929067: Stack guard pages should be removed when thread is detached
coleenp
parents: 4763
diff changeset
  3237
35462
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3238
static bool protect_pages_individually(char* addr, size_t bytes, unsigned int p, DWORD *old_status) {
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3239
  uint count = 0;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3240
  bool ret = false;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3241
  size_t bytes_remaining = bytes;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3242
  char * next_protect_addr = addr;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3243
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3244
  // Use VirtualQuery() to get the chunk size.
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3245
  while (bytes_remaining) {
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3246
    MEMORY_BASIC_INFORMATION alloc_info;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3247
    if (VirtualQuery(next_protect_addr, &alloc_info, sizeof(alloc_info)) == 0) {
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3248
      return false;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3249
    }
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3250
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3251
    size_t bytes_to_protect = MIN2(bytes_remaining, (size_t)alloc_info.RegionSize);
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3252
    // We used different API at allocate_pages_individually() based on UseNUMAInterleaving,
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3253
    // but we don't distinguish here as both cases are protected by same API.
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3254
    ret = VirtualProtect(next_protect_addr, bytes_to_protect, p, old_status) != 0;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3255
    warning("Failed protecting pages individually for chunk #%u", count);
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3256
    if (!ret) {
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3257
      return false;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3258
    }
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3259
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3260
    bytes_remaining -= bytes_to_protect;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3261
    next_protect_addr += bytes_to_protect;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3262
    count++;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3263
  }
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3264
  return ret;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3265
}
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3266
823
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3267
// Set protections specified
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3268
bool os::protect_memory(char* addr, size_t bytes, ProtType prot,
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3269
                        bool is_committed) {
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3270
  unsigned int p = 0;
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3271
  switch (prot) {
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3272
  case MEM_PROT_NONE: p = PAGE_NOACCESS; break;
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3273
  case MEM_PROT_READ: p = PAGE_READONLY; break;
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3274
  case MEM_PROT_RW:   p = PAGE_READWRITE; break;
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3275
  case MEM_PROT_RWX:  p = PAGE_EXECUTE_READWRITE; break;
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3276
  default:
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3277
    ShouldNotReachHere();
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3278
  }
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3279
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3280
  DWORD old_status;
823
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3281
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3282
  // Strange enough, but on Win32 one can change protection only for committed
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3283
  // memory, not a big deal anyway, as bytes less or equal than 64K
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3284
  if (!is_committed) {
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3285
    commit_memory_or_exit(addr, bytes, prot == MEM_PROT_RWX,
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3286
                          "cannot commit protection page");
823
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3287
  }
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3288
  // One cannot use os::guard_memory() here, as on Win32 guard page
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3289
  // have different (one-shot) semantics, from MSDN on PAGE_GUARD:
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3290
  //
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3291
  // Pages in the region become guard pages. Any attempt to access a guard page
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3292
  // causes the system to raise a STATUS_GUARD_PAGE exception and turn off
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3293
  // the guard page status. Guard pages thus act as a one-time access alarm.
35462
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3294
  bool ret;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3295
  if (UseNUMAInterleaving) {
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3296
    // If UseNUMAInterleaving is enabled, the pages may have been allocated a chunk at a time,
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3297
    // so we must protect the chunks individually.
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3298
    ret = protect_pages_individually(addr, bytes, p, &old_status);
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3299
  } else {
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3300
    ret = VirtualProtect(addr, bytes, p, &old_status) != 0;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3301
  }
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3302
#ifdef ASSERT
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3303
  if (!ret) {
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3304
    int err = os::get_last_error();
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3305
    char buf[256];
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3306
    size_t buf_len = os::lasterror(buf, sizeof(buf));
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3307
    warning("INFO: os::protect_memory(" PTR_FORMAT ", " SIZE_FORMAT
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3308
          ") failed; error='%s' (DOS error/errno=%d)", addr, bytes,
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3309
          buf_len != 0 ? buf : "<no_error_string>", err);
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3310
  }
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3311
#endif
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3312
  return ret;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3313
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3314
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3315
bool os::guard_memory(char* addr, size_t bytes) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3316
  DWORD old_status;
1664
fc9ed50498fb 6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents: 1620
diff changeset
  3317
  return VirtualProtect(addr, bytes, PAGE_READWRITE | PAGE_GUARD, &old_status) != 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3318
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3319
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3320
bool os::unguard_memory(char* addr, size_t bytes) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3321
  DWORD old_status;
1664
fc9ed50498fb 6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents: 1620
diff changeset
  3322
  return VirtualProtect(addr, bytes, PAGE_READWRITE, &old_status) != 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3323
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3324
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3325
void os::pd_realign_memory(char *addr, size_t bytes, size_t alignment_hint) { }
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3326
void os::pd_free_memory(char *addr, size_t bytes, size_t alignment_hint) { }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3327
void os::numa_make_global(char *addr, size_t bytes)    { }
388
bcc631c5bbec 6684395: Port NUMA-aware allocator to linux
iveresov
parents: 252
diff changeset
  3328
void os::numa_make_local(char *addr, size_t bytes, int lgrp_hint)    { }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3329
bool os::numa_topology_changed()                       { return false; }
10527
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3330
size_t os::numa_get_groups_num()                       { return MAX2(numa_node_list_holder.get_count(), 1); }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3331
int os::numa_get_group_id()                            { return 0; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3332
size_t os::numa_get_leaf_groups(int *ids, size_t size) {
10527
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3333
  if (numa_node_list_holder.get_count() == 0 && size > 0) {
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3334
    // Provide an answer for UMA systems
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3335
    ids[0] = 0;
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3336
    return 1;
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3337
  } else {
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3338
    // check for size bigger than actual groups_num
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3339
    size = MIN2(size, numa_get_groups_num());
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3340
    for (int i = 0; i < (int)size; i++) {
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3341
      ids[i] = numa_node_list_holder.get_node_list_entry(i);
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3342
    }
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3343
    return size;
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3344
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3345
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3346
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3347
bool os::get_page_info(char *start, page_info* info) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3348
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3349
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3350
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3351
char *os::scan_pages(char *start, char* end, page_info* page_expected,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3352
                     page_info* page_found) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3353
  return end;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3354
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3355
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3356
char* os::non_memory_address_word() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3357
  // Must never look like an address returned by reserve_memory,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3358
  // even in its subfields (as defined by the CPU immediate fields,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3359
  // if the CPU splits constants across multiple instructions).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3360
  return (char*)-1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3361
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3362
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3363
#define MAX_ERROR_COUNT 100
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3364
#define SYS_THREAD_ERROR 0xffffffffUL
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3365
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3366
void os::pd_start_thread(Thread* thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3367
  DWORD ret = ResumeThread(thread->osthread()->thread_handle());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3368
  // Returns previous suspend state:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3369
  // 0:  Thread was not suspended
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3370
  // 1:  Thread is running now
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3371
  // >1: Thread is still suspended.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3372
  assert(ret != SYS_THREAD_ERROR, "StartThread failed"); // should propagate back
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3373
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3374
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17128
diff changeset
  3375
class HighResolutionInterval : public CHeapObj<mtThread> {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3376
  // The default timer resolution seems to be 10 milliseconds.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3377
  // (Where is this written down?)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3378
  // If someone wants to sleep for only a fraction of the default,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3379
  // then we set the timer resolution down to 1 millisecond for
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3380
  // the duration of their interval.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3381
  // We carefully set the resolution back, since otherwise we
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3382
  // seem to incur an overhead (3%?) that we don't need.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3383
  // CONSIDER: if ms is small, say 3, then we should run with a high resolution time.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3384
  // Buf if ms is large, say 500, or 503, we should avoid the call to timeBeginPeriod().
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3385
  // Alternatively, we could compute the relative error (503/500 = .6%) and only use
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3386
  // timeBeginPeriod() if the relative error exceeded some threshold.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3387
  // timeBeginPeriod() has been linked to problems with clock drift on win32 systems and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3388
  // to decreased efficiency related to increased timer "tick" rates.  We want to minimize
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3389
  // (a) calls to timeBeginPeriod() and timeEndPeriod() and (b) time spent with high
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3390
  // resolution timers running.
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3391
 private:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3392
  jlong resolution;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3393
 public:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3394
  HighResolutionInterval(jlong ms) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3395
    resolution = ms % 10L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3396
    if (resolution != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3397
      MMRESULT result = timeBeginPeriod(1L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3398
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3399
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3400
  ~HighResolutionInterval() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3401
    if (resolution != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3402
      MMRESULT result = timeEndPeriod(1L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3403
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3404
    resolution = 0L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3405
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3406
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3407
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3408
int os::sleep(Thread* thread, jlong ms, bool interruptable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3409
  jlong limit = (jlong) MAXDWORD;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3410
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3411
  while (ms > limit) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3412
    int res;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3413
    if ((res = sleep(thread, limit, interruptable)) != OS_TIMEOUT) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3414
      return res;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3415
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3416
    ms -= limit;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3417
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3418
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3419
  assert(thread == Thread::current(), "thread consistency check");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3420
  OSThread* osthread = thread->osthread();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3421
  OSThreadWaitState osts(osthread, false /* not Object.wait() */);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3422
  int result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3423
  if (interruptable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3424
    assert(thread->is_Java_thread(), "must be java thread");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3425
    JavaThread *jt = (JavaThread *) thread;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3426
    ThreadBlockInVM tbivm(jt);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3427
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3428
    jt->set_suspend_equivalent();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3429
    // cleared by handle_special_suspend_equivalent_condition() or
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3430
    // java_suspend_self() via check_and_wait_while_suspended()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3431
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3432
    HANDLE events[1];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3433
    events[0] = osthread->interrupt_event();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3434
    HighResolutionInterval *phri=NULL;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3435
    if (!ForceTimeHighResolution) {
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3436
      phri = new HighResolutionInterval(ms);
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3437
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3438
    if (WaitForMultipleObjects(1, events, FALSE, (DWORD)ms) == WAIT_TIMEOUT) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3439
      result = OS_TIMEOUT;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3440
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3441
      ResetEvent(osthread->interrupt_event());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3442
      osthread->set_interrupted(false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3443
      result = OS_INTRPT;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3444
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3445
    delete phri; //if it is NULL, harmless
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3446
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3447
    // were we externally suspended while we were waiting?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3448
    jt->check_and_wait_while_suspended();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3449
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3450
    assert(!thread->is_Java_thread(), "must not be java thread");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3451
    Sleep((long) ms);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3452
    result = OS_TIMEOUT;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3453
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3454
  return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3455
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3456
22533
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3457
// Short sleep, direct OS call.
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3458
//
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3459
// ms = 0, means allow others (if any) to run.
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3460
//
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3461
void os::naked_short_sleep(jlong ms) {
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3462
  assert(ms < 1000, "Un-interruptable sleep, short time use only");
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3463
  Sleep(ms);
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3464
}
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3465
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3466
// Sleep forever; naked call to OS-specific sleep; use with CAUTION
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3467
void os::infinite_sleep() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3468
  while (true) {    // sleep forever ...
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3469
    Sleep(100000);  // ... 100 seconds at a time
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3470
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3471
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3472
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3473
typedef BOOL (WINAPI * STTSignature)(void);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3474
25477
7dad9f95fd31 8047714: Fix for JDK-6546236 made Solaris os::yield() a no-op
fparain
parents: 25472
diff changeset
  3475
void os::naked_yield() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3476
  // Consider passing back the return value from SwitchToThread().
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3477
  SwitchToThread();
25477
7dad9f95fd31 8047714: Fix for JDK-6546236 made Solaris os::yield() a no-op
fparain
parents: 25472
diff changeset
  3478
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3479
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3480
// Win32 only gives you access to seven real priorities at a time,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3481
// so we compress Java's ten down to seven.  It would be better
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3482
// if we dynamically adjusted relative priorities.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3483
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11483
diff changeset
  3484
int os::java_to_os_priority[CriticalPriority + 1] = {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3485
  THREAD_PRIORITY_IDLE,                         // 0  Entry should never be used
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3486
  THREAD_PRIORITY_LOWEST,                       // 1  MinPriority
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3487
  THREAD_PRIORITY_LOWEST,                       // 2
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3488
  THREAD_PRIORITY_BELOW_NORMAL,                 // 3
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3489
  THREAD_PRIORITY_BELOW_NORMAL,                 // 4
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3490
  THREAD_PRIORITY_NORMAL,                       // 5  NormPriority
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3491
  THREAD_PRIORITY_NORMAL,                       // 6
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3492
  THREAD_PRIORITY_ABOVE_NORMAL,                 // 7
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3493
  THREAD_PRIORITY_ABOVE_NORMAL,                 // 8
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3494
  THREAD_PRIORITY_HIGHEST,                      // 9  NearMaxPriority
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11483
diff changeset
  3495
  THREAD_PRIORITY_HIGHEST,                      // 10 MaxPriority
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11483
diff changeset
  3496
  THREAD_PRIORITY_HIGHEST                       // 11 CriticalPriority
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3497
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3498
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11483
diff changeset
  3499
int prio_policy1[CriticalPriority + 1] = {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3500
  THREAD_PRIORITY_IDLE,                         // 0  Entry should never be used
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3501
  THREAD_PRIORITY_LOWEST,                       // 1  MinPriority
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3502
  THREAD_PRIORITY_LOWEST,                       // 2
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3503
  THREAD_PRIORITY_BELOW_NORMAL,                 // 3
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3504
  THREAD_PRIORITY_BELOW_NORMAL,                 // 4
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3505
  THREAD_PRIORITY_NORMAL,                       // 5  NormPriority
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3506
  THREAD_PRIORITY_ABOVE_NORMAL,                 // 6
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3507
  THREAD_PRIORITY_ABOVE_NORMAL,                 // 7
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3508
  THREAD_PRIORITY_HIGHEST,                      // 8
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3509
  THREAD_PRIORITY_HIGHEST,                      // 9  NearMaxPriority
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11483
diff changeset
  3510
  THREAD_PRIORITY_TIME_CRITICAL,                // 10 MaxPriority
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11483
diff changeset
  3511
  THREAD_PRIORITY_TIME_CRITICAL                 // 11 CriticalPriority
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3512
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3513
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3514
static int prio_init() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3515
  // If ThreadPriorityPolicy is 1, switch tables
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3516
  if (ThreadPriorityPolicy == 1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3517
    int i;
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11483
diff changeset
  3518
    for (i = 0; i < CriticalPriority + 1; i++) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3519
      os::java_to_os_priority[i] = prio_policy1[i];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3520
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3521
  }
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11483
diff changeset
  3522
  if (UseCriticalJavaThreadPriority) {
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3523
    os::java_to_os_priority[MaxPriority] = os::java_to_os_priority[CriticalPriority];
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11483
diff changeset
  3524
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3525
  return 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3526
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3527
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3528
OSReturn os::set_native_priority(Thread* thread, int priority) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3529
  if (!UseThreadPriorities) return OS_OK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3530
  bool ret = SetThreadPriority(thread->osthread()->thread_handle(), priority) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3531
  return ret ? OS_OK : OS_ERR;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3532
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3533
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3534
OSReturn os::get_native_priority(const Thread* const thread,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3535
                                 int* priority_ptr) {
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3536
  if (!UseThreadPriorities) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3537
    *priority_ptr = java_to_os_priority[NormPriority];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3538
    return OS_OK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3539
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3540
  int os_prio = GetThreadPriority(thread->osthread()->thread_handle());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3541
  if (os_prio == THREAD_PRIORITY_ERROR_RETURN) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3542
    assert(false, "GetThreadPriority failed");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3543
    return OS_ERR;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3544
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3545
  *priority_ptr = os_prio;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3546
  return OS_OK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3547
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3548
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3549
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3550
// Hint to the underlying OS that a task switch would not be good.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3551
// Void return because it's a hint and can fail.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3552
void os::hint_no_preempt() {}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3553
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3554
void os::interrupt(Thread* thread) {
48105
8d15b1369c7a 8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents: 48016
diff changeset
  3555
  debug_only(Thread::check_for_dangling_thread_pointer(thread);)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3556
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3557
  OSThread* osthread = thread->osthread();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3558
  osthread->set_interrupted(true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3559
  // More than one thread can get here with the same value of osthread,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3560
  // resulting in multiple notifications.  We do, however, want the store
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3561
  // to interrupted() to be visible to other threads before we post
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3562
  // the interrupt event.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3563
  OrderAccess::release();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3564
  SetEvent(osthread->interrupt_event());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3565
  // For JSR166:  unpark after setting status
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3566
  if (thread->is_Java_thread()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3567
    ((JavaThread*)thread)->parker()->unpark();
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3568
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3569
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3570
  ParkEvent * ev = thread->_ParkEvent;
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3571
  if (ev != NULL) ev->unpark();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3572
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3573
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3574
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3575
bool os::is_interrupted(Thread* thread, bool clear_interrupted) {
48105
8d15b1369c7a 8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents: 48016
diff changeset
  3576
  debug_only(Thread::check_for_dangling_thread_pointer(thread);)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3577
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3578
  OSThread* osthread = thread->osthread();
8735
9829dda3b405 6535709: interrupt of wait()ing thread isn't triggerring InterruptedException - test intwait3
dholmes
parents: 8480
diff changeset
  3579
  // There is no synchronization between the setting of the interrupt
9829dda3b405 6535709: interrupt of wait()ing thread isn't triggerring InterruptedException - test intwait3
dholmes
parents: 8480
diff changeset
  3580
  // and it being cleared here. It is critical - see 6535709 - that
9829dda3b405 6535709: interrupt of wait()ing thread isn't triggerring InterruptedException - test intwait3
dholmes
parents: 8480
diff changeset
  3581
  // we only clear the interrupt state, and reset the interrupt event,
9829dda3b405 6535709: interrupt of wait()ing thread isn't triggerring InterruptedException - test intwait3
dholmes
parents: 8480
diff changeset
  3582
  // if we are going to report that we were indeed interrupted - else
9829dda3b405 6535709: interrupt of wait()ing thread isn't triggerring InterruptedException - test intwait3
dholmes
parents: 8480
diff changeset
  3583
  // an interrupt can be "lost", leading to spurious wakeups or lost wakeups
23176
d3073ac441cc 6498581: ThreadInterruptTest3 produces wrong output on Windows
minqi
parents: 22891
diff changeset
  3584
  // depending on the timing. By checking thread interrupt event to see
d3073ac441cc 6498581: ThreadInterruptTest3 produces wrong output on Windows
minqi
parents: 22891
diff changeset
  3585
  // if the thread gets real interrupt thus prevent spurious wakeup.
d3073ac441cc 6498581: ThreadInterruptTest3 produces wrong output on Windows
minqi
parents: 22891
diff changeset
  3586
  bool interrupted = osthread->interrupted() && (WaitForSingleObject(osthread->interrupt_event(), 0) == WAIT_OBJECT_0);
8735
9829dda3b405 6535709: interrupt of wait()ing thread isn't triggerring InterruptedException - test intwait3
dholmes
parents: 8480
diff changeset
  3587
  if (interrupted && clear_interrupted) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3588
    osthread->set_interrupted(false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3589
    ResetEvent(osthread->interrupt_event());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3590
  } // Otherwise leave the interrupted state alone
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3591
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3592
  return interrupted;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3593
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3594
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3595
// GetCurrentThreadId() returns DWORD
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3596
intx os::current_thread_id()  { return GetCurrentThreadId(); }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3597
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3598
static int _initial_pid = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3599
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3600
int os::current_process_id() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3601
  return (_initial_pid ? _initial_pid : _getpid());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3602
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3603
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3604
int    os::win32::_vm_page_size              = 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3605
int    os::win32::_vm_allocation_granularity = 0;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3606
int    os::win32::_processor_type            = 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3607
// Processor level is not available on non-NT systems, use vm_version instead
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3608
int    os::win32::_processor_level           = 0;
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3609
julong os::win32::_physical_memory           = 0;
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3610
size_t os::win32::_default_stack_size        = 0;
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3611
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3612
intx          os::win32::_os_thread_limit    = 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3613
volatile intx os::win32::_os_thread_count    = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3614
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3615
bool   os::win32::_is_windows_server         = false;
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3616
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3617
// 6573254
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3618
// Currently, the bug is observed across all the supported Windows releases,
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3619
// including the latest one (as of this writing - Windows Server 2012 R2)
26685
dcubed
parents: 26682 26684
diff changeset
  3620
bool   os::win32::_has_exit_bug              = true;
22891
1f5d1fff23fa 6546236: Thread interrupt() of Thread.sleep() can be lost on Solaris due to race with signal handler
fparain
parents: 22734
diff changeset
  3621
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3622
void os::win32::initialize_system_info() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3623
  SYSTEM_INFO si;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3624
  GetSystemInfo(&si);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3625
  _vm_page_size    = si.dwPageSize;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3626
  _vm_allocation_granularity = si.dwAllocationGranularity;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3627
  _processor_type  = si.dwProcessorType;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3628
  _processor_level = si.wProcessorLevel;
4493
9204129f065e 6843629: Make current hotspot build part of jdk5 control build
phh
parents: 3809
diff changeset
  3629
  set_processor_count(si.dwNumberOfProcessors);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3630
3577
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  3631
  MEMORYSTATUSEX ms;
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  3632
  ms.dwLength = sizeof(ms);
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  3633
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3634
  // also returns dwAvailPhys (free physical memory bytes), dwTotalVirtual, dwAvailVirtual,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3635
  // dwMemoryLoad (% of memory in use)
3577
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  3636
  GlobalMemoryStatusEx(&ms);
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  3637
  _physical_memory = ms.ullTotalPhys;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3638
40931
d4d2a4a0e023 8161079: Default heap size causes native memory exhaustion on 32 bit Windows
mgerdin
parents: 40926
diff changeset
  3639
  if (FLAG_IS_DEFAULT(MaxRAM)) {
d4d2a4a0e023 8161079: Default heap size causes native memory exhaustion on 32 bit Windows
mgerdin
parents: 40926
diff changeset
  3640
    // Adjust MaxRAM according to the maximum virtual address space available.
d4d2a4a0e023 8161079: Default heap size causes native memory exhaustion on 32 bit Windows
mgerdin
parents: 40926
diff changeset
  3641
    FLAG_SET_DEFAULT(MaxRAM, MIN2(MaxRAM, (uint64_t) ms.ullTotalVirtual));
d4d2a4a0e023 8161079: Default heap size causes native memory exhaustion on 32 bit Windows
mgerdin
parents: 40926
diff changeset
  3642
  }
d4d2a4a0e023 8161079: Default heap size causes native memory exhaustion on 32 bit Windows
mgerdin
parents: 40926
diff changeset
  3643
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  3644
  OSVERSIONINFOEX oi;
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  3645
  oi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  3646
  GetVersionEx((OSVERSIONINFO*)&oi);
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3647
  switch (oi.dwPlatformId) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3648
  case VER_PLATFORM_WIN32_NT:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3649
    {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3650
      int os_vers = oi.dwMajorVersion * 1000 + oi.dwMinorVersion;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3651
      if (oi.wProductType == VER_NT_DOMAIN_CONTROLLER ||
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  3652
          oi.wProductType == VER_NT_SERVER) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3653
        _is_windows_server = true;
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3654
      }
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3655
    }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3656
    break;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3657
  default: fatal("Unknown platform");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3658
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3659
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3660
  _default_stack_size = os::current_stack_size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3661
  assert(_default_stack_size > (size_t) _vm_page_size, "invalid stack size");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3662
  assert((_default_stack_size & (_vm_page_size - 1)) == 0,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3663
         "stack size not a multiple of page size");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3664
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3665
  initialize_performance_counter();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3666
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3667
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3668
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3669
HINSTANCE os::win32::load_Windows_dll(const char* name, char *ebuf,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3670
                                      int ebuflen) {
10246
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3671
  char path[MAX_PATH];
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3672
  DWORD size;
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3673
  DWORD pathLen = (DWORD)sizeof(path);
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3674
  HINSTANCE result = NULL;
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3675
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3676
  // only allow library name without path component
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3677
  assert(strchr(name, '\\') == NULL, "path not allowed");
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3678
  assert(strchr(name, ':') == NULL, "path not allowed");
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3679
  if (strchr(name, '\\') != NULL || strchr(name, ':') != NULL) {
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3680
    jio_snprintf(ebuf, ebuflen,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3681
                 "Invalid parameter while calling os::win32::load_windows_dll(): cannot take path: %s", name);
10246
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3682
    return NULL;
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3683
  }
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3684
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3685
  // search system directory
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3686
  if ((size = GetSystemDirectory(path, pathLen)) > 0) {
27471
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3687
    if (size >= pathLen) {
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3688
      return NULL; // truncated
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3689
    }
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3690
    if (jio_snprintf(path + size, pathLen - size, "\\%s", name) == -1) {
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3691
      return NULL; // truncated
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3692
    }
10246
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3693
    if ((result = (HINSTANCE)os::dll_load(path, ebuf, ebuflen)) != NULL) {
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3694
      return result;
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3695
    }
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3696
  }
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3697
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3698
  // try Windows directory
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3699
  if ((size = GetWindowsDirectory(path, pathLen)) > 0) {
27471
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3700
    if (size >= pathLen) {
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3701
      return NULL; // truncated
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3702
    }
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3703
    if (jio_snprintf(path + size, pathLen - size, "\\%s", name) == -1) {
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3704
      return NULL; // truncated
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3705
    }
10246
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3706
    if ((result = (HINSTANCE)os::dll_load(path, ebuf, ebuflen)) != NULL) {
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3707
      return result;
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3708
    }
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3709
  }
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3710
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3711
  jio_snprintf(ebuf, ebuflen,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3712
               "os::win32::load_windows_dll() cannot load %s from system directories.", name);
10246
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3713
  return NULL;
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3714
}
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3715
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3716
#define MAXIMUM_THREADS_TO_KEEP (16 * MAXIMUM_WAIT_OBJECTS)
30863
6a99d43b04e5 8069068: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 30252
diff changeset
  3717
#define EXIT_TIMEOUT 300000 /* 5 minutes */
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3718
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3719
static BOOL CALLBACK init_crit_sect_call(PINIT_ONCE, PVOID pcrit_sect, PVOID*) {
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3720
  InitializeCriticalSection((CRITICAL_SECTION*)pcrit_sect);
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3721
  return TRUE;
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3722
}
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3723
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3724
int os::win32::exit_process_or_thread(Ept what, int exit_code) {
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3725
  // Basic approach:
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3726
  //  - Each exiting thread registers its intent to exit and then does so.
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3727
  //  - A thread trying to terminate the process must wait for all
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3728
  //    threads currently exiting to complete their exit.
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3729
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3730
  if (os::win32::has_exit_bug()) {
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3731
    // The array holds handles of the threads that have started exiting by calling
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3732
    // _endthreadex().
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3733
    // Should be large enough to avoid blocking the exiting thread due to lack of
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3734
    // a free slot.
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3735
    static HANDLE handles[MAXIMUM_THREADS_TO_KEEP];
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3736
    static int handle_count = 0;
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3737
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3738
    static INIT_ONCE init_once_crit_sect = INIT_ONCE_STATIC_INIT;
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3739
    static CRITICAL_SECTION crit_sect;
47765
b7c7428eaab9 8189610: Reconcile jvm.h and all jvm_md.h between java.base and hotspot
coleenp
parents: 47666
diff changeset
  3740
    static volatile DWORD process_exiting = 0;
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3741
    int i, j;
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3742
    DWORD res;
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3743
    HANDLE hproc, hthr;
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3744
39976
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3745
    // We only attempt to register threads until a process exiting
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3746
    // thread manages to set the process_exiting flag. Any threads
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3747
    // that come through here after the process_exiting flag is set
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3748
    // are unregistered and will be caught in the SuspendThread()
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3749
    // infinite loop below.
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3750
    bool registered = false;
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3751
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3752
    // The first thread that reached this point, initializes the critical section.
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3753
    if (!InitOnceExecuteOnce(&init_once_crit_sect, init_crit_sect_call, &crit_sect, NULL)) {
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3754
      warning("crit_sect initialization failed in %s: %d\n", __FILE__, __LINE__);
28627
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3755
    } else if (OrderAccess::load_acquire(&process_exiting) == 0) {
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3756
      if (what != EPT_THREAD) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3757
        // Atomically set process_exiting before the critical section
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3758
        // to increase the visibility between racing threads.
47765
b7c7428eaab9 8189610: Reconcile jvm.h and all jvm_md.h between java.base and hotspot
coleenp
parents: 47666
diff changeset
  3759
        Atomic::cmpxchg(GetCurrentThreadId(), &process_exiting, (DWORD)0);
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3760
      }
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3761
      EnterCriticalSection(&crit_sect);
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3762
28627
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3763
      if (what == EPT_THREAD && OrderAccess::load_acquire(&process_exiting) == 0) {
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3764
        // Remove from the array those handles of the threads that have completed exiting.
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3765
        for (i = 0, j = 0; i < handle_count; ++i) {
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3766
          res = WaitForSingleObject(handles[i], 0 /* don't wait */);
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3767
          if (res == WAIT_TIMEOUT) {
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3768
            handles[j++] = handles[i];
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3769
          } else {
28165
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3770
            if (res == WAIT_FAILED) {
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3771
              warning("WaitForSingleObject failed (%u) in %s: %d\n",
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3772
                      GetLastError(), __FILE__, __LINE__);
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3773
            }
28165
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3774
            // Don't keep the handle, if we failed waiting for it.
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3775
            CloseHandle(handles[i]);
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3776
          }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3777
        }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3778
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3779
        // If there's no free slot in the array of the kept handles, we'll have to
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3780
        // wait until at least one thread completes exiting.
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3781
        if ((handle_count = j) == MAXIMUM_THREADS_TO_KEEP) {
27873
60cce297ef8e 8064694: Kitchensink: WaitForMultipleObjects failed in hotspot\src\os\windows\vm\os_windows.cpp: 3844
igerasim
parents: 27474
diff changeset
  3782
          // Raise the priority of the oldest exiting thread to increase its chances
60cce297ef8e 8064694: Kitchensink: WaitForMultipleObjects failed in hotspot\src\os\windows\vm\os_windows.cpp: 3844
igerasim
parents: 27474
diff changeset
  3783
          // to complete sooner.
60cce297ef8e 8064694: Kitchensink: WaitForMultipleObjects failed in hotspot\src\os\windows\vm\os_windows.cpp: 3844
igerasim
parents: 27474
diff changeset
  3784
          SetThreadPriority(handles[0], THREAD_PRIORITY_ABOVE_NORMAL);
28165
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3785
          res = WaitForMultipleObjects(MAXIMUM_WAIT_OBJECTS, handles, FALSE, EXIT_TIMEOUT);
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3786
          if (res >= WAIT_OBJECT_0 && res < (WAIT_OBJECT_0 + MAXIMUM_WAIT_OBJECTS)) {
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3787
            i = (res - WAIT_OBJECT_0);
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3788
            handle_count = MAXIMUM_THREADS_TO_KEEP - 1;
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3789
            for (; i < handle_count; ++i) {
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3790
              handles[i] = handles[i + 1];
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3791
            }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3792
          } else {
28165
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3793
            warning("WaitForMultipleObjects %s (%u) in %s: %d\n",
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3794
                    (res == WAIT_FAILED ? "failed" : "timed out"),
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3795
                    GetLastError(), __FILE__, __LINE__);
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3796
            // Don't keep handles, if we failed waiting for them.
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3797
            for (i = 0; i < MAXIMUM_THREADS_TO_KEEP; ++i) {
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3798
              CloseHandle(handles[i]);
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3799
            }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3800
            handle_count = 0;
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3801
          }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3802
        }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3803
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3804
        // Store a duplicate of the current thread handle in the array of handles.
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3805
        hproc = GetCurrentProcess();
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3806
        hthr = GetCurrentThread();
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3807
        if (!DuplicateHandle(hproc, hthr, hproc, &handles[handle_count],
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3808
                             0, FALSE, DUPLICATE_SAME_ACCESS)) {
28165
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3809
          warning("DuplicateHandle failed (%u) in %s: %d\n",
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3810
                  GetLastError(), __FILE__, __LINE__);
39976
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3811
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3812
          // We can't register this thread (no more handles) so this thread
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3813
          // may be racing with a thread that is calling exit(). If the thread
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3814
          // that is calling exit() has managed to set the process_exiting
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3815
          // flag, then this thread will be caught in the SuspendThread()
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3816
          // infinite loop below which closes that race. A small timing
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3817
          // window remains before the process_exiting flag is set, but it
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3818
          // is only exposed when we are out of handles.
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3819
        } else {
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3820
          ++handle_count;
39976
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3821
          registered = true;
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3822
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3823
          // The current exiting thread has stored its handle in the array, and now
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3824
          // should leave the critical section before calling _endthreadex().
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3825
        }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3826
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3827
      } else if (what != EPT_THREAD && handle_count > 0) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3828
        jlong start_time, finish_time, timeout_left;
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3829
        // Before ending the process, make sure all the threads that had called
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3830
        // _endthreadex() completed.
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3831
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3832
        // Set the priority level of the current thread to the same value as
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3833
        // the priority level of exiting threads.
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3834
        // This is to ensure it will be given a fair chance to execute if
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3835
        // the timeout expires.
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3836
        hthr = GetCurrentThread();
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3837
        SetThreadPriority(hthr, THREAD_PRIORITY_ABOVE_NORMAL);
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3838
        start_time = os::javaTimeNanos();
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3839
        finish_time = start_time + ((jlong)EXIT_TIMEOUT * 1000000L);
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3840
        for (i = 0; ; ) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3841
          int portion_count = handle_count - i;
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3842
          if (portion_count > MAXIMUM_WAIT_OBJECTS) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3843
            portion_count = MAXIMUM_WAIT_OBJECTS;
27873
60cce297ef8e 8064694: Kitchensink: WaitForMultipleObjects failed in hotspot\src\os\windows\vm\os_windows.cpp: 3844
igerasim
parents: 27474
diff changeset
  3844
          }
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3845
          for (j = 0; j < portion_count; ++j) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3846
            SetThreadPriority(handles[i + j], THREAD_PRIORITY_ABOVE_NORMAL);
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3847
          }
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3848
          timeout_left = (finish_time - start_time) / 1000000L;
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3849
          if (timeout_left < 0) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3850
            timeout_left = 0;
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3851
          }
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3852
          res = WaitForMultipleObjects(portion_count, handles + i, TRUE, timeout_left);
28165
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3853
          if (res == WAIT_FAILED || res == WAIT_TIMEOUT) {
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3854
            warning("WaitForMultipleObjects %s (%u) in %s: %d\n",
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3855
                    (res == WAIT_FAILED ? "failed" : "timed out"),
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3856
                    GetLastError(), __FILE__, __LINE__);
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3857
            // Reset portion_count so we close the remaining
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3858
            // handles due to this error.
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3859
            portion_count = handle_count - i;
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3860
          }
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3861
          for (j = 0; j < portion_count; ++j) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3862
            CloseHandle(handles[i + j]);
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3863
          }
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3864
          if ((i += portion_count) >= handle_count) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3865
            break;
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3866
          }
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3867
          start_time = os::javaTimeNanos();
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3868
        }
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3869
        handle_count = 0;
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3870
      }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3871
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3872
      LeaveCriticalSection(&crit_sect);
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3873
    }
28627
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3874
39976
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3875
    if (!registered &&
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3876
        OrderAccess::load_acquire(&process_exiting) != 0 &&
47765
b7c7428eaab9 8189610: Reconcile jvm.h and all jvm_md.h between java.base and hotspot
coleenp
parents: 47666
diff changeset
  3877
        process_exiting != GetCurrentThreadId()) {
39976
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3878
      // Some other thread is about to call exit(), so we don't let
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3879
      // the current unregistered thread proceed to exit() or _endthreadex()
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3880
      while (true) {
28627
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3881
        SuspendThread(GetCurrentThread());
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3882
        // Avoid busy-wait loop, if SuspendThread() failed.
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3883
        Sleep(EXIT_TIMEOUT);
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3884
      }
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3885
    }
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3886
  }
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3887
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3888
  // We are here if either
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3889
  // - there's no 'race at exit' bug on this OS release;
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3890
  // - initialization of the critical section failed (unlikely);
39976
b86bebb34220 8160892: Race at the VM exit causes "WaitForMultipleObjects timed out"
igerasim
parents: 39451
diff changeset
  3891
  // - the current thread has registered itself and left the critical section;
28627
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3892
  // - the process-exiting thread has raised the flag and left the critical section.
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3893
  if (what == EPT_THREAD) {
26685
dcubed
parents: 26682 26684
diff changeset
  3894
    _endthreadex((unsigned)exit_code);
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3895
  } else if (what == EPT_PROCESS) {
26685
dcubed
parents: 26682 26684
diff changeset
  3896
    ::exit(exit_code);
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3897
  } else {
26685
dcubed
parents: 26682 26684
diff changeset
  3898
    _exit(exit_code);
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3899
  }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3900
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3901
  // Should not reach here
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3902
  return exit_code;
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3903
}
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3904
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3905
#undef EXIT_TIMEOUT
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3906
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3907
void os::win32::setmode_streams() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3908
  _setmode(_fileno(stdin), _O_BINARY);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3909
  _setmode(_fileno(stdout), _O_BINARY);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3910
  _setmode(_fileno(stderr), _O_BINARY);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3911
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3912
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3913
8476
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  3914
bool os::is_debugger_attached() {
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  3915
  return IsDebuggerPresent() ? true : false;
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  3916
}
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  3917
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  3918
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  3919
void os::wait_for_keypress_at_exit(void) {
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  3920
  if (PauseAtExit) {
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  3921
    fprintf(stderr, "Press any key to continue...\n");
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  3922
    fgetc(stdin);
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  3923
  }
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  3924
}
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  3925
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  3926
34305
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  3927
bool os::message_box(const char* title, const char* message) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3928
  int result = MessageBox(NULL, message, title,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3929
                          MB_YESNO | MB_ICONERROR | MB_SYSTEMMODAL | MB_DEFAULT_DESKTOP_ONLY);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3930
  return result == IDYES;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3931
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3932
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3933
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3934
#ifndef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3935
// Helpers to check whether NX protection is enabled
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3936
int nx_exception_filter(_EXCEPTION_POINTERS *pex) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3937
  if (pex->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3938
      pex->ExceptionRecord->NumberParameters > 0 &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3939
      pex->ExceptionRecord->ExceptionInformation[0] ==
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3940
      EXCEPTION_INFO_EXEC_VIOLATION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3941
    return EXCEPTION_EXECUTE_HANDLER;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3942
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3943
  return EXCEPTION_CONTINUE_SEARCH;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3944
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3945
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3946
void nx_check_protection() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3947
  // If NX is enabled we'll get an exception calling into code on the stack
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3948
  char code[] = { (char)0xC3 }; // ret
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3949
  void *code_ptr = (void *)code;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3950
  __try {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3951
    __asm call code_ptr
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3952
  } __except(nx_exception_filter((_EXCEPTION_POINTERS*)_exception_info())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3953
    tty->print_raw_cr("NX protection detected.");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3954
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3955
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3956
#endif // _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3957
#endif // PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3958
35201
996db89f378e 8139864: Improve handling of stack protection zones.
goetz
parents: 35176
diff changeset
  3959
// This is called _before_ the global arguments have been parsed
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3960
void os::init(void) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3961
  _initial_pid = _getpid();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3962
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3963
  init_random(1234567);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3964
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3965
  win32::initialize_system_info();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3966
  win32::setmode_streams();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3967
  init_page_sizes((size_t) win32::vm_page_size());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3968
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3969
  // This may be overridden later when argument processing is done.
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3970
  FLAG_SET_ERGO(bool, UseLargePagesIndividualAllocation, false);
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3971
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3972
  // Initialize main_process and main_thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3973
  main_process = GetCurrentProcess();  // Remember main_process is a pseudo handle
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3974
  if (!DuplicateHandle(main_process, GetCurrentThread(), main_process,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3975
                       &main_thread, THREAD_ALL_ACCESS, false, 0)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3976
    fatal("DuplicateHandle failed\n");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3977
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3978
  main_thread_id = (int) GetCurrentThreadId();
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  3979
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  3980
  // initialize fast thread access - only used for 32-bit
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  3981
  win32::initialize_thread_ptr_offset();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3982
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3983
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3984
// To install functions for atexit processing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3985
extern "C" {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3986
  static void perfMemory_exit_helper() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3987
    perfMemory_exit();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3988
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3989
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3990
16623
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  3991
static jint initSock();
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  3992
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3993
// this is called _after_ the global arguments have been parsed
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3994
jint os::init_2(void) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3995
  // Setup Windows Exceptions
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3996
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3997
  // for debugging float code generation bugs
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3998
  if (ForceFloatExceptions) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3999
#ifndef  _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4000
    static long fp_control_word = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4001
    __asm { fstcw fp_control_word }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4002
    // see Intel PPro Manual, Vol. 2, p 7-16
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4003
    const long precision = 0x20;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4004
    const long underflow = 0x10;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4005
    const long overflow  = 0x08;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4006
    const long zero_div  = 0x04;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4007
    const long denorm    = 0x02;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4008
    const long invalid   = 0x01;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4009
    fp_control_word |= invalid;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4010
    __asm { fldcw fp_control_word }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4011
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4012
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4013
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4014
  // If stack_commit_size is 0, windows will reserve the default size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4015
  // but only commit a small portion of it.
46620
750c6edff33b 8178500: Replace usages of round_to and round_down with align_up and align_down
stefank
parents: 46619
diff changeset
  4016
  size_t stack_commit_size = align_up(ThreadStackSize*K, os::vm_page_size());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4017
  size_t default_reserve_size = os::win32::default_stack_size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4018
  size_t actual_reserve_size = stack_commit_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4019
  if (stack_commit_size < default_reserve_size) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4020
    // If stack_commit_size == 0, we want this too
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4021
    actual_reserve_size = default_reserve_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4022
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4023
6964
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4024
  // Check minimum allowable stack size for thread creation and to initialize
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4025
  // the java system classes, including StackOverflowError - depends on page
39390
edf6a424a8b7 8159335: Fix problems with stack overflow handling.
goetz
parents: 38640
diff changeset
  4026
  // size.  Add two 4K pages for compiler2 recursion in main thread.
edf6a424a8b7 8159335: Fix problems with stack overflow handling.
goetz
parents: 38640
diff changeset
  4027
  // Add in 4*BytesPerWord 4K pages to account for VM stack during
6964
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4028
  // class initialization depending on 32 or 64 bit VM.
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4029
  size_t min_stack_allowed =
39390
edf6a424a8b7 8159335: Fix problems with stack overflow handling.
goetz
parents: 38640
diff changeset
  4030
            (size_t)(JavaThread::stack_guard_zone_size() +
35201
996db89f378e 8139864: Improve handling of stack protection zones.
goetz
parents: 35176
diff changeset
  4031
                     JavaThread::stack_shadow_zone_size() +
39390
edf6a424a8b7 8159335: Fix problems with stack overflow handling.
goetz
parents: 38640
diff changeset
  4032
                     (4*BytesPerWord COMPILER2_PRESENT(+2)) * 4 * K);
edf6a424a8b7 8159335: Fix problems with stack overflow handling.
goetz
parents: 38640
diff changeset
  4033
46619
a3919f5e8d2b 8178499: Remove _ptr_ and _size_ infixes from align functions
stefank
parents: 46618
diff changeset
  4034
  min_stack_allowed = align_up(min_stack_allowed, os::vm_page_size());
39390
edf6a424a8b7 8159335: Fix problems with stack overflow handling.
goetz
parents: 38640
diff changeset
  4035
6964
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4036
  if (actual_reserve_size < min_stack_allowed) {
41070
496463b4e206 8140520: segfault on solaris-amd64 with "-XX:VMThreadStackSize=1" option
rdurbin
parents: 40931
diff changeset
  4037
    tty->print_cr("\nThe Java thread stack size specified is too small. "
6964
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4038
                  "Specify at least %dk",
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4039
                  min_stack_allowed / K);
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4040
    return JNI_ERR;
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4041
  }
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4042
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4043
  JavaThread::set_stack_size_at_create(stack_commit_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4044
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4045
  // Calculate theoretical max. size of Threads to guard gainst artifical
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4046
  // out-of-memory situations, where all available address-space has been
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4047
  // reserved by thread stacks.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4048
  assert(actual_reserve_size != 0, "Must have a stack");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4049
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4050
  // Calculate the thread limit when we should start doing Virtual Memory
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4051
  // banging. Currently when the threads will have used all but 200Mb of space.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4052
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4053
  // TODO: consider performing a similar calculation for commit size instead
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4054
  // as reserve size, since on a 64-bit platform we'll run into that more
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4055
  // often than running out of virtual memory space.  We can use the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4056
  // lower value of the two calculations as the os_thread_limit.
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 252
diff changeset
  4057
  size_t max_address_space = ((size_t)1 << (BitsPerWord - 1)) - (200 * K * K);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4058
  win32::_os_thread_limit = (intx)(max_address_space / actual_reserve_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4059
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4060
  // at exit methods are called in the reverse order of their registration.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4061
  // there is no limit to the number of functions registered. atexit does
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4062
  // not set errno.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4063
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4064
  if (PerfAllowAtExitRegistration) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4065
    // only register atexit functions if PerfAllowAtExitRegistration is set.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4066
    // atexit functions can be delayed until process exit time, which
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4067
    // can be problematic for embedded VM situations. Embedded VMs should
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4068
    // call DestroyJavaVM() to assure that VM resources are released.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4069
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4070
    // note: perfMemory_exit_helper atexit function may be removed in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4071
    // the future if the appropriate cleanup code can be added to the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4072
    // VM_Exit VMOperation's doit method.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4073
    if (atexit(perfMemory_exit_helper) != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4074
      warning("os::init_2 atexit(perfMemory_exit_helper) failed");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4075
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4076
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4077
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4078
#ifndef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4079
  // Print something if NX is enabled (win32 on AMD64)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4080
  NOT_PRODUCT(if (PrintMiscellaneous && Verbose) nx_check_protection());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4081
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4082
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4083
  // initialize thread priority policy
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4084
  prio_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4085
10527
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  4086
  if (UseNUMA && !ForceNUMA) {
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  4087
    UseNUMA = false; // We don't fully support this yet
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  4088
  }
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  4089
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  4090
  if (UseNUMAInterleaving) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  4091
    // first check whether this Windows OS supports VirtualAllocExNuma, if not ignore this flag
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  4092
    bool success = numa_interleaving_init();
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  4093
    if (!success) UseNUMAInterleaving = false;
1615
b46d9f19bde2 6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents: 1421
diff changeset
  4094
  }
b46d9f19bde2 6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents: 1421
diff changeset
  4095
16623
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  4096
  if (initSock() != JNI_OK) {
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  4097
    return JNI_ERR;
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  4098
  }
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  4099
47666
19219ec3f176 8185712: [windows] Improve native symbol decoder
goetz
parents: 47552
diff changeset
  4100
  SymbolEngine::recalc_search_path();
19219ec3f176 8185712: [windows] Improve native symbol decoder
goetz
parents: 47552
diff changeset
  4101
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4102
  return JNI_OK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4103
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4104
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4105
// Mark the polling page as unreadable
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4106
void os::make_polling_page_unreadable(void) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4107
  DWORD old_status;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4108
  if (!VirtualProtect((char *)_polling_page, os::vm_page_size(),
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4109
                      PAGE_NOACCESS, &old_status)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4110
    fatal("Could not disable polling page");
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4111
  }
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4112
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4113
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4114
// Mark the polling page as readable
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4115
void os::make_polling_page_readable(void) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4116
  DWORD old_status;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4117
  if (!VirtualProtect((char *)_polling_page, os::vm_page_size(),
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4118
                      PAGE_READONLY, &old_status)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4119
    fatal("Could not enable polling page");
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4120
  }
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4121
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4122
48016
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4123
// combine the high and low DWORD into a ULONGLONG
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4124
static ULONGLONG make_double_word(DWORD high_word, DWORD low_word) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4125
  ULONGLONG value = high_word;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4126
  value <<= sizeof(high_word) * 8;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4127
  value |= low_word;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4128
  return value;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4129
}
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4130
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4131
// Transfers data from WIN32_FILE_ATTRIBUTE_DATA structure to struct stat
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4132
static void file_attribute_data_to_stat(struct stat* sbuf, WIN32_FILE_ATTRIBUTE_DATA file_data) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4133
  ::memset((void*)sbuf, 0, sizeof(struct stat));
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4134
  sbuf->st_size = (_off_t)make_double_word(file_data.nFileSizeHigh, file_data.nFileSizeLow);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4135
  sbuf->st_mtime = make_double_word(file_data.ftLastWriteTime.dwHighDateTime,
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4136
                                  file_data.ftLastWriteTime.dwLowDateTime);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4137
  sbuf->st_ctime = make_double_word(file_data.ftCreationTime.dwHighDateTime,
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4138
                                  file_data.ftCreationTime.dwLowDateTime);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4139
  sbuf->st_atime = make_double_word(file_data.ftLastAccessTime.dwHighDateTime,
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4140
                                  file_data.ftLastAccessTime.dwLowDateTime);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4141
  if ((file_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4142
    sbuf->st_mode |= S_IFDIR;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4143
  } else {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4144
    sbuf->st_mode |= S_IFREG;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4145
  }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4146
}
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4147
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4148
// The following function is adapted from java.base/windows/native/libjava/canonicalize_md.c
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4149
// Creates an UNC path from a single byte path. Return buffer is
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4150
// allocated in C heap and needs to be freed by the caller.
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4151
// Returns NULL on error.
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4152
static wchar_t* create_unc_path(const char* path, errno_t &err) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4153
  wchar_t* wpath = NULL;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4154
  size_t converted_chars = 0;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4155
  size_t path_len = strlen(path) + 1; // includes the terminating NULL
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4156
  if (path[0] == '\\' && path[1] == '\\') {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4157
    if (path[2] == '?' && path[3] == '\\'){
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4158
      // if it already has a \\?\ don't do the prefix
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4159
      wpath = (wchar_t*)os::malloc(path_len * sizeof(wchar_t), mtInternal);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4160
      if (wpath != NULL) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4161
        err = ::mbstowcs_s(&converted_chars, wpath, path_len, path, path_len);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4162
      } else {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4163
        err = ENOMEM;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4164
      }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4165
    } else {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4166
      // only UNC pathname includes double slashes here
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4167
      wpath = (wchar_t*)os::malloc((path_len + 7) * sizeof(wchar_t), mtInternal);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4168
      if (wpath != NULL) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4169
        ::wcscpy(wpath, L"\\\\?\\UNC\0");
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4170
        err = ::mbstowcs_s(&converted_chars, &wpath[7], path_len, path, path_len);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4171
      } else {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4172
        err = ENOMEM;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4173
      }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4174
    }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4175
  } else {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4176
    wpath = (wchar_t*)os::malloc((path_len + 4) * sizeof(wchar_t), mtInternal);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4177
    if (wpath != NULL) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4178
      ::wcscpy(wpath, L"\\\\?\\\0");
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4179
      err = ::mbstowcs_s(&converted_chars, &wpath[4], path_len, path, path_len);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4180
    } else {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4181
      err = ENOMEM;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4182
    }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4183
  }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4184
  return wpath;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4185
}
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4186
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4187
static void destroy_unc_path(wchar_t* wpath) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4188
  os::free(wpath);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4189
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4190
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4191
int os::stat(const char *path, struct stat *sbuf) {
48016
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4192
  char* pathbuf = (char*)os::strdup(path, mtInternal);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4193
  if (pathbuf == NULL) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4194
    errno = ENOMEM;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4195
    return -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4196
  }
48016
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4197
  os::native_path(pathbuf);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4198
  int ret;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4199
  WIN32_FILE_ATTRIBUTE_DATA file_data;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4200
  // Not using stat() to avoid the problem described in JDK-6539723
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4201
  if (strlen(path) < MAX_PATH) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4202
    BOOL bret = ::GetFileAttributesExA(pathbuf, GetFileExInfoStandard, &file_data);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4203
    if (!bret) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4204
      errno = ::GetLastError();
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4205
      ret = -1;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4206
    }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4207
    else {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4208
      file_attribute_data_to_stat(sbuf, file_data);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4209
      ret = 0;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4210
    }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4211
  } else {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4212
    errno_t err = ERROR_SUCCESS;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4213
    wchar_t* wpath = create_unc_path(pathbuf, err);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4214
    if (err != ERROR_SUCCESS) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4215
      if (wpath != NULL) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4216
        destroy_unc_path(wpath);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4217
      }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4218
      os::free(pathbuf);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4219
      errno = err;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4220
      return -1;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4221
    }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4222
    BOOL bret = ::GetFileAttributesExW(wpath, GetFileExInfoStandard, &file_data);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4223
    if (!bret) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4224
      errno = ::GetLastError();
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4225
      ret = -1;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4226
    } else {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4227
      file_attribute_data_to_stat(sbuf, file_data);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4228
      ret = 0;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4229
    }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4230
    destroy_unc_path(wpath);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4231
  }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4232
  os::free(pathbuf);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4233
  return ret;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4234
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4235
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4236
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4237
#define FT2INT64(ft) \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4238
  ((jlong)((jlong)(ft).dwHighDateTime << 32 | (julong)(ft).dwLowDateTime))
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4239
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4240
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4241
// current_thread_cpu_time(bool) and thread_cpu_time(Thread*, bool)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4242
// are used by JVM M&M and JVMTI to get user+sys or user CPU time
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4243
// of a thread.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4244
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4245
// current_thread_cpu_time() and thread_cpu_time(Thread*) returns
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4246
// the fast estimate available on the platform.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4247
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4248
// current_thread_cpu_time() is not optimized for Windows yet
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4249
jlong os::current_thread_cpu_time() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4250
  // return user + sys since the cost is the same
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4251
  return os::thread_cpu_time(Thread::current(), true /* user+sys */);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4252
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4253
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4254
jlong os::thread_cpu_time(Thread* thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4255
  // consistent with what current_thread_cpu_time() returns.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4256
  return os::thread_cpu_time(thread, true /* user+sys */);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4257
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4258
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4259
jlong os::current_thread_cpu_time(bool user_sys_cpu_time) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4260
  return os::thread_cpu_time(Thread::current(), user_sys_cpu_time);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4261
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4262
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4263
jlong os::thread_cpu_time(Thread* thread, bool user_sys_cpu_time) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4264
  // This code is copy from clasic VM -> hpi::sysThreadCPUTime
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4265
  // If this function changes, os::is_thread_cpu_time_supported() should too
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4266
  FILETIME CreationTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4267
  FILETIME ExitTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4268
  FILETIME KernelTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4269
  FILETIME UserTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4270
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4271
  if (GetThreadTimes(thread->osthread()->thread_handle(), &CreationTime,
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4272
                      &ExitTime, &KernelTime, &UserTime) == 0) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4273
    return -1;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4274
  } else if (user_sys_cpu_time) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4275
    return (FT2INT64(UserTime) + FT2INT64(KernelTime)) * 100;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4276
  } else {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4277
    return FT2INT64(UserTime) * 100;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4278
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4279
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4280
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4281
void os::current_thread_cpu_time_info(jvmtiTimerInfo *info_ptr) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4282
  info_ptr->max_value = ALL_64_BITS;        // the max value -- all 64 bits
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4283
  info_ptr->may_skip_backward = false;      // GetThreadTimes returns absolute time
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4284
  info_ptr->may_skip_forward = false;       // GetThreadTimes returns absolute time
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4285
  info_ptr->kind = JVMTI_TIMER_TOTAL_CPU;   // user+system time is returned
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4286
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4287
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4288
void os::thread_cpu_time_info(jvmtiTimerInfo *info_ptr) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4289
  info_ptr->max_value = ALL_64_BITS;        // the max value -- all 64 bits
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4290
  info_ptr->may_skip_backward = false;      // GetThreadTimes returns absolute time
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4291
  info_ptr->may_skip_forward = false;       // GetThreadTimes returns absolute time
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4292
  info_ptr->kind = JVMTI_TIMER_TOTAL_CPU;   // user+system time is returned
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4293
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4294
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4295
bool os::is_thread_cpu_time_supported() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4296
  // see os::thread_cpu_time
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4297
  FILETIME CreationTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4298
  FILETIME ExitTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4299
  FILETIME KernelTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4300
  FILETIME UserTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4301
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4302
  if (GetThreadTimes(GetCurrentThread(), &CreationTime, &ExitTime,
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4303
                      &KernelTime, &UserTime) == 0) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4304
    return false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4305
  } else {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4306
    return true;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4307
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4308
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4309
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4310
// Windows does't provide a loadavg primitive so this is stubbed out for now.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4311
// It does have primitives (PDH API) to get CPU usage and run queue length.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4312
// "\\Processor(_Total)\\% Processor Time", "\\System\\Processor Queue Length"
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4313
// If we wanted to implement loadavg on Windows, we have a few options:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4314
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4315
// a) Query CPU usage and run queue length and "fake" an answer by
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4316
//    returning the CPU usage if it's under 100%, and the run queue
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4317
//    length otherwise.  It turns out that querying is pretty slow
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4318
//    on Windows, on the order of 200 microseconds on a fast machine.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4319
//    Note that on the Windows the CPU usage value is the % usage
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4320
//    since the last time the API was called (and the first call
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4321
//    returns 100%), so we'd have to deal with that as well.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4322
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4323
// b) Sample the "fake" answer using a sampling thread and store
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4324
//    the answer in a global variable.  The call to loadavg would
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4325
//    just return the value of the global, avoiding the slow query.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4326
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4327
// c) Sample a better answer using exponential decay to smooth the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4328
//    value.  This is basically the algorithm used by UNIX kernels.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4329
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4330
// Note that sampling thread starvation could affect both (b) and (c).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4331
int os::loadavg(double loadavg[], int nelem) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4332
  return -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4333
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4334
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4335
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4336
// DontYieldALot=false by default: dutifully perform all yields as requested by JVM_Yield()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4337
bool os::dont_yield() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4338
  return DontYieldALot;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4339
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4340
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4341
// This method is a slightly reworked copy of JDK's sysOpen
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4342
// from src/windows/hpi/src/sys_api_md.c
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4343
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4344
int os::open(const char *path, int oflag, int mode) {
48016
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4345
  char* pathbuf = (char*)os::strdup(path, mtInternal);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4346
  if (pathbuf == NULL) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4347
    errno = ENOMEM;
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  4348
    return -1;
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4349
  }
48016
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4350
  os::native_path(pathbuf);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4351
  int ret;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4352
  if (strlen(path) < MAX_PATH) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4353
    ret = ::open(pathbuf, oflag | O_BINARY | O_NOINHERIT, mode);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4354
  } else {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4355
    errno_t err = ERROR_SUCCESS;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4356
    wchar_t* wpath = create_unc_path(pathbuf, err);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4357
    if (err != ERROR_SUCCESS) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4358
      if (wpath != NULL) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4359
        destroy_unc_path(wpath);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4360
      }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4361
      os::free(pathbuf);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4362
      errno = err;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4363
      return -1;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4364
    }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4365
    ret = ::_wopen(wpath, oflag | O_BINARY | O_NOINHERIT, mode);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4366
    if (ret == -1) {
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4367
      errno = ::GetLastError();
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4368
    }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4369
    destroy_unc_path(wpath);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4370
  }
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4371
  os::free(pathbuf);
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 47903
diff changeset
  4372
  return ret;
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4373
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4374
17121
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 17006
diff changeset
  4375
FILE* os::open(int fd, const char* mode) {
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 17006
diff changeset
  4376
  return ::_fdopen(fd, mode);
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 17006
diff changeset
  4377
}
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 17006
diff changeset
  4378
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4379
// Is a (classpath) directory empty?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4380
bool os::dir_is_empty(const char* path) {
48611
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4381
  char* search_path = (char*)os::malloc(strlen(path) + 3, mtInternal);
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4382
  if (search_path == NULL) {
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4383
    errno = ENOMEM;
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4384
    return false;
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4385
  }
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4386
  strcpy(search_path, path);
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4387
  // Append "*", or possibly "\\*", to path
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4388
  if (path[1] == ':' &&
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4389
    (path[2] == '\0' ||
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4390
    (path[2] == '\\' && path[3] == '\0'))) {
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4391
    // No '\\' needed for cases like "Z:" or "Z:\"
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4392
    strcat(search_path, "*");
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4393
  }
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4394
  else {
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4395
    strcat(search_path, "\\*");
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4396
  }
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4397
  errno_t err = ERROR_SUCCESS;
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4398
  wchar_t* wpath = create_unc_path(search_path, err);
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4399
  if (err != ERROR_SUCCESS) {
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4400
    if (wpath != NULL) {
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4401
      destroy_unc_path(wpath);
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4402
    }
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4403
    os::free(search_path);
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4404
    errno = err;
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4405
    return false;
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4406
  }
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4407
  WIN32_FIND_DATAW fd;
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4408
  HANDLE f = ::FindFirstFileW(wpath, &fd);
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4409
  destroy_unc_path(wpath);
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4410
  bool is_empty = true;
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4411
  if (f != INVALID_HANDLE_VALUE) {
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4412
    while (is_empty && ::FindNextFileW(f, &fd)) {
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4413
      // An empty directory contains only the current directory file
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4414
      // and the previous directory file.
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4415
      if ((wcscmp(fd.cFileName, L".") != 0) &&
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4416
          (wcscmp(fd.cFileName, L"..") != 0)) {
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4417
        is_empty = false;
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4418
      }
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4419
    }
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4420
    FindClose(f);
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4421
  }
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4422
  os::free(search_path);
4d7a4fad8190 8192927: os::dir_is_empty is incorrect on Windows
ccheung
parents: 48153
diff changeset
  4423
  return is_empty;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4424
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4425
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4426
// create binary file, rewriting existing file if required
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4427
int os::create_binary_file(const char* path, bool rewrite_existing) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4428
  int oflags = _O_CREAT | _O_WRONLY | _O_BINARY;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4429
  if (!rewrite_existing) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4430
    oflags |= _O_EXCL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4431
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4432
  return ::open(path, oflags, _S_IREAD | _S_IWRITE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4433
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4434
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4435
// return current position of file pointer
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4436
jlong os::current_file_offset(int fd) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4437
  return (jlong)::_lseeki64(fd, (__int64)0L, SEEK_CUR);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4438
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4439
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4440
// move file pointer to the specified offset
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4441
jlong os::seek_to_file_offset(int fd, jlong offset) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4442
  return (jlong)::_lseeki64(fd, (__int64)offset, SEEK_SET);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4443
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4444
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4445
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4446
jlong os::lseek(int fd, jlong offset, int whence) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4447
  return (jlong) ::_lseeki64(fd, offset, whence);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4448
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4449
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4450
size_t os::read_at(int fd, void *buf, unsigned int nBytes, jlong offset) {
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4451
  OVERLAPPED ov;
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4452
  DWORD nread;
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4453
  BOOL result;
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4454
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4455
  ZeroMemory(&ov, sizeof(ov));
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4456
  ov.Offset = (DWORD)offset;
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4457
  ov.OffsetHigh = (DWORD)(offset >> 32);
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4458
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4459
  HANDLE h = (HANDLE)::_get_osfhandle(fd);
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4460
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4461
  result = ReadFile(h, (LPVOID)buf, nBytes, &nread, &ov);
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4462
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4463
  return result ? nread : 0;
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4464
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4465
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4466
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4467
// This method is a slightly reworked copy of JDK's sysNativePath
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4468
// from src/windows/hpi/src/path_md.c
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4469
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4470
// Convert a pathname to native format.  On win32, this involves forcing all
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4471
// separators to be '\\' rather than '/' (both are legal inputs, but Win95
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4472
// sometimes rejects '/') and removing redundant separators.  The input path is
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4473
// assumed to have been converted into the character encoding used by the local
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4474
// system.  Because this might be a double-byte encoding, care is taken to
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4475
// treat double-byte lead characters correctly.
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4476
//
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4477
// This procedure modifies the given path in place, as the result is never
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4478
// longer than the original.  There is no error return; this operation always
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4479
// succeeds.
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4480
char * os::native_path(char *path) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4481
  char *src = path, *dst = path, *end = path;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4482
  char *colon = NULL;  // If a drive specifier is found, this will
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4483
                       // point to the colon following the drive letter
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4484
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4485
  // Assumption: '/', '\\', ':', and drive letters are never lead bytes
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4486
  assert(((!::IsDBCSLeadByte('/')) && (!::IsDBCSLeadByte('\\'))
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4487
          && (!::IsDBCSLeadByte(':'))), "Illegal lead byte");
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4488
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4489
  // Check for leading separators
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4490
#define isfilesep(c) ((c) == '/' || (c) == '\\')
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4491
  while (isfilesep(*src)) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4492
    src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4493
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4494
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4495
  if (::isalpha(*src) && !::IsDBCSLeadByte(*src) && src[1] == ':') {
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4496
    // Remove leading separators if followed by drive specifier.  This
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4497
    // hack is necessary to support file URLs containing drive
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4498
    // specifiers (e.g., "file://c:/path").  As a side effect,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4499
    // "/c:/path" can be used as an alternative to "c:/path".
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4500
    *dst++ = *src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4501
    colon = dst;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4502
    *dst++ = ':';
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4503
    src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4504
  } else {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4505
    src = path;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4506
    if (isfilesep(src[0]) && isfilesep(src[1])) {
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4507
      // UNC pathname: Retain first separator; leave src pointed at
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4508
      // second separator so that further separators will be collapsed
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4509
      // into the second separator.  The result will be a pathname
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4510
      // beginning with "\\\\" followed (most likely) by a host name.
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4511
      src = dst = path + 1;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4512
      path[0] = '\\';     // Force first separator to '\\'
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4513
    }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4514
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4515
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4516
  end = dst;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4517
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4518
  // Remove redundant separators from remainder of path, forcing all
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4519
  // separators to be '\\' rather than '/'. Also, single byte space
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4520
  // characters are removed from the end of the path because those
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4521
  // are not legal ending characters on this operating system.
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4522
  //
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4523
  while (*src != '\0') {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4524
    if (isfilesep(*src)) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4525
      *dst++ = '\\'; src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4526
      while (isfilesep(*src)) src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4527
      if (*src == '\0') {
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4528
        // Check for trailing separator
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4529
        end = dst;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4530
        if (colon == dst - 2) break;  // "z:\\"
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4531
        if (dst == path + 1) break;   // "\\"
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4532
        if (dst == path + 2 && isfilesep(path[0])) {
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4533
          // "\\\\" is not collapsed to "\\" because "\\\\" marks the
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4534
          // beginning of a UNC pathname.  Even though it is not, by
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4535
          // itself, a valid UNC pathname, we leave it as is in order
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4536
          // to be consistent with the path canonicalizer as well
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4537
          // as the win32 APIs, which treat this case as an invalid
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4538
          // UNC pathname rather than as an alias for the root
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4539
          // directory of the current drive.
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4540
          break;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4541
        }
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4542
        end = --dst;  // Path does not denote a root directory, so
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4543
                      // remove trailing separator
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4544
        break;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4545
      }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4546
      end = dst;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4547
    } else {
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4548
      if (::IsDBCSLeadByte(*src)) {  // Copy a double-byte character
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4549
        *dst++ = *src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4550
        if (*src) *dst++ = *src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4551
        end = dst;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4552
      } else {  // Copy a single-byte character
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4553
        char c = *src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4554
        *dst++ = c;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4555
        // Space is not a legal ending character
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4556
        if (c != ' ') end = dst;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4557
      }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4558
    }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4559
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4560
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4561
  *end = '\0';
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4562
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4563
  // For "z:", add "." to work around a bug in the C runtime library
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4564
  if (colon == dst - 1) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  4565
    path[2] = '.';
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  4566
    path[3] = '\0';
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4567
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4568
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4569
  return path;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4570
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4571
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4572
// This code is a copy of JDK's sysSetLength
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4573
// from src/windows/hpi/src/sys_api_md.c
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4574
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4575
int os::ftruncate(int fd, jlong length) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4576
  HANDLE h = (HANDLE)::_get_osfhandle(fd);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4577
  long high = (long)(length >> 32);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4578
  DWORD ret;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4579
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4580
  if (h == (HANDLE)(-1)) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4581
    return -1;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4582
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4583
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4584
  ret = ::SetFilePointer(h, (long)(length), &high, FILE_BEGIN);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4585
  if ((ret == 0xFFFFFFFF) && (::GetLastError() != NO_ERROR)) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  4586
    return -1;
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4587
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4588
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4589
  if (::SetEndOfFile(h) == FALSE) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4590
    return -1;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4591
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4592
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4593
  return 0;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4594
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4595
38065
025c784d9333 8154921: Fix aix after "8146879: Add option for handling existing log files in UL"
goetz
parents: 37465
diff changeset
  4596
int os::get_fileno(FILE* fp) {
37465
1d5551f466ee 8146879: Add option for handling existing log files in UL
mlarsson
parents: 37462
diff changeset
  4597
  return _fileno(fp);
1d5551f466ee 8146879: Add option for handling existing log files in UL
mlarsson
parents: 37462
diff changeset
  4598
}
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4599
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4600
// This code is a copy of JDK's sysSync
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4601
// from src/windows/hpi/src/sys_api_md.c
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4602
// except for the legacy workaround for a bug in Win 98
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4603
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4604
int os::fsync(int fd) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4605
  HANDLE handle = (HANDLE)::_get_osfhandle(fd);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4606
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  4607
  if ((!::FlushFileBuffers(handle)) &&
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4608
      (GetLastError() != ERROR_ACCESS_DENIED)) {
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4609
    // from winerror.h
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4610
    return -1;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4611
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4612
  return 0;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4613
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4614
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4615
static int nonSeekAvailable(int, long *);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4616
static int stdinAvailable(int, long *);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4617
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4618
#define S_ISCHR(mode)   (((mode) & _S_IFCHR) == _S_IFCHR)
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4619
#define S_ISFIFO(mode)  (((mode) & _S_IFIFO) == _S_IFIFO)
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4620
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4621
// This code is a copy of JDK's sysAvailable
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4622
// from src/windows/hpi/src/sys_api_md.c
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4623
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4624
int os::available(int fd, jlong *bytes) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4625
  jlong cur, end;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4626
  struct _stati64 stbuf64;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4627
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4628
  if (::_fstati64(fd, &stbuf64) >= 0) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4629
    int mode = stbuf64.st_mode;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4630
    if (S_ISCHR(mode) || S_ISFIFO(mode)) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4631
      int ret;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4632
      long lpbytes;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4633
      if (fd == 0) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4634
        ret = stdinAvailable(fd, &lpbytes);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4635
      } else {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4636
        ret = nonSeekAvailable(fd, &lpbytes);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4637
      }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4638
      (*bytes) = (jlong)(lpbytes);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4639
      return ret;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4640
    }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4641
    if ((cur = ::_lseeki64(fd, 0L, SEEK_CUR)) == -1) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4642
      return FALSE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4643
    } else if ((end = ::_lseeki64(fd, 0L, SEEK_END)) == -1) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4644
      return FALSE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4645
    } else if (::_lseeki64(fd, cur, SEEK_SET) == -1) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4646
      return FALSE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4647
    }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4648
    *bytes = end - cur;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4649
    return TRUE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4650
  } else {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4651
    return FALSE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4652
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4653
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4654
38263
a7488329ad27 8145934: Make ttyLocker equivalent for Unified Logging framework
mlarsson
parents: 38065
diff changeset
  4655
void os::flockfile(FILE* fp) {
a7488329ad27 8145934: Make ttyLocker equivalent for Unified Logging framework
mlarsson
parents: 38065
diff changeset
  4656
  _lock_file(fp);
a7488329ad27 8145934: Make ttyLocker equivalent for Unified Logging framework
mlarsson
parents: 38065
diff changeset
  4657
}
a7488329ad27 8145934: Make ttyLocker equivalent for Unified Logging framework
mlarsson
parents: 38065
diff changeset
  4658
a7488329ad27 8145934: Make ttyLocker equivalent for Unified Logging framework
mlarsson
parents: 38065
diff changeset
  4659
void os::funlockfile(FILE* fp) {
a7488329ad27 8145934: Make ttyLocker equivalent for Unified Logging framework
mlarsson
parents: 38065
diff changeset
  4660
  _unlock_file(fp);
a7488329ad27 8145934: Make ttyLocker equivalent for Unified Logging framework
mlarsson
parents: 38065
diff changeset
  4661
}
a7488329ad27 8145934: Make ttyLocker equivalent for Unified Logging framework
mlarsson
parents: 38065
diff changeset
  4662
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4663
// This code is a copy of JDK's nonSeekAvailable
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4664
// from src/windows/hpi/src/sys_api_md.c
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4665
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4666
static int nonSeekAvailable(int fd, long *pbytes) {
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4667
  // This is used for available on non-seekable devices
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4668
  // (like both named and anonymous pipes, such as pipes
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4669
  //  connected to an exec'd process).
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4670
  // Standard Input is a special case.
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4671
  HANDLE han;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4672
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4673
  if ((han = (HANDLE) ::_get_osfhandle(fd)) == (HANDLE)(-1)) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4674
    return FALSE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4675
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4676
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4677
  if (! ::PeekNamedPipe(han, NULL, 0, NULL, (LPDWORD)pbytes, NULL)) {
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4678
    // PeekNamedPipe fails when at EOF.  In that case we
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4679
    // simply make *pbytes = 0 which is consistent with the
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4680
    // behavior we get on Solaris when an fd is at EOF.
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4681
    // The only alternative is to raise an Exception,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4682
    // which isn't really warranted.
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4683
    //
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4684
    if (::GetLastError() != ERROR_BROKEN_PIPE) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4685
      return FALSE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4686
    }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4687
    *pbytes = 0;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4688
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4689
  return TRUE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4690
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4691
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4692
#define MAX_INPUT_EVENTS 2000
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4693
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4694
// This code is a copy of JDK's stdinAvailable
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4695
// from src/windows/hpi/src/sys_api_md.c
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4696
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4697
static int stdinAvailable(int fd, long *pbytes) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4698
  HANDLE han;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4699
  DWORD numEventsRead = 0;  // Number of events read from buffer
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4700
  DWORD numEvents = 0;      // Number of events in buffer
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4701
  DWORD i = 0;              // Loop index
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4702
  DWORD curLength = 0;      // Position marker
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4703
  DWORD actualLength = 0;   // Number of bytes readable
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4704
  BOOL error = FALSE;       // Error holder
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4705
  INPUT_RECORD *lpBuffer;   // Pointer to records of input events
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4706
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4707
  if ((han = ::GetStdHandle(STD_INPUT_HANDLE)) == INVALID_HANDLE_VALUE) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  4708
    return FALSE;
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4709
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4710
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4711
  // Construct an array of input records in the console buffer
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4712
  error = ::GetNumberOfConsoleInputEvents(han, &numEvents);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4713
  if (error == 0) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4714
    return nonSeekAvailable(fd, pbytes);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4715
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4716
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4717
  // lpBuffer must fit into 64K or else PeekConsoleInput fails
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4718
  if (numEvents > MAX_INPUT_EVENTS) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4719
    numEvents = MAX_INPUT_EVENTS;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4720
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4721
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  4722
  lpBuffer = (INPUT_RECORD *)os::malloc(numEvents * sizeof(INPUT_RECORD), mtInternal);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4723
  if (lpBuffer == NULL) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4724
    return FALSE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4725
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4726
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4727
  error = ::PeekConsoleInput(han, lpBuffer, numEvents, &numEventsRead);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4728
  if (error == 0) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  4729
    os::free(lpBuffer);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4730
    return FALSE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4731
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4732
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4733
  // Examine input records for the number of bytes available
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  4734
  for (i=0; i<numEvents; i++) {
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4735
    if (lpBuffer[i].EventType == KEY_EVENT) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4736
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4737
      KEY_EVENT_RECORD *keyRecord = (KEY_EVENT_RECORD *)
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4738
                                      &(lpBuffer[i].Event);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4739
      if (keyRecord->bKeyDown == TRUE) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4740
        CHAR *keyPressed = (CHAR *) &(keyRecord->uChar);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4741
        curLength++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4742
        if (*keyPressed == '\r') {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4743
          actualLength = curLength;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4744
        }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4745
      }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4746
    }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4747
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4748
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  4749
  if (lpBuffer != NULL) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  4750
    os::free(lpBuffer);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4751
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4752
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4753
  *pbytes = (long) actualLength;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4754
  return TRUE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4755
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4756
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4757
// Map a block of memory.
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  4758
char* os::pd_map_memory(int fd, const char* file_name, size_t file_offset,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  4759
                        char *addr, size_t bytes, bool read_only,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  4760
                        bool allow_exec) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4761
  HANDLE hFile;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4762
  char* base;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4763
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4764
  hFile = CreateFile(file_name, GENERIC_READ, FILE_SHARE_READ, NULL,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4765
                     OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4766
  if (hFile == NULL) {
37430
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  4767
    log_info(os)("CreateFile() failed: GetLastError->%ld.", GetLastError());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4768
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4769
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4770
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4771
  if (allow_exec) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4772
    // CreateFileMapping/MapViewOfFileEx can't map executable memory
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4773
    // unless it comes from a PE image (which the shared archive is not.)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4774
    // Even VirtualProtect refuses to give execute access to mapped memory
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4775
    // that was not previously executable.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4776
    //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4777
    // Instead, stick the executable region in anonymous memory.  Yuck.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4778
    // Penalty is that ~4 pages will not be shareable - in the future
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4779
    // we might consider DLLizing the shared archive with a proper PE
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4780
    // header so that mapping executable + sharing is possible.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4781
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4782
    base = (char*) VirtualAlloc(addr, bytes, MEM_COMMIT | MEM_RESERVE,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4783
                                PAGE_READWRITE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4784
    if (base == NULL) {
37430
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  4785
      log_info(os)("VirtualAlloc() failed: GetLastError->%ld.", GetLastError());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4786
      CloseHandle(hFile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4787
      return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4788
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4789
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4790
    DWORD bytes_read;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4791
    OVERLAPPED overlapped;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4792
    overlapped.Offset = (DWORD)file_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4793
    overlapped.OffsetHigh = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4794
    overlapped.hEvent = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4795
    // ReadFile guarantees that if the return value is true, the requested
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4796
    // number of bytes were read before returning.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4797
    bool res = ReadFile(hFile, base, (DWORD)bytes, &bytes_read, &overlapped) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4798
    if (!res) {
37430
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  4799
      log_info(os)("ReadFile() failed: GetLastError->%ld.", GetLastError());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4800
      release_memory(base, bytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4801
      CloseHandle(hFile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4802
      return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4803
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4804
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4805
    HANDLE hMap = CreateFileMapping(hFile, NULL, PAGE_WRITECOPY, 0, 0,
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4806
                                    NULL /* file_name */);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4807
    if (hMap == NULL) {
37430
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  4808
      log_info(os)("CreateFileMapping() failed: GetLastError->%ld.", GetLastError());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4809
      CloseHandle(hFile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4810
      return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4811
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4812
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4813
    DWORD access = read_only ? FILE_MAP_READ : FILE_MAP_COPY;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4814
    base = (char*)MapViewOfFileEx(hMap, access, 0, (DWORD)file_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4815
                                  (DWORD)bytes, addr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4816
    if (base == NULL) {
37430
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  4817
      log_info(os)("MapViewOfFileEx() failed: GetLastError->%ld.", GetLastError());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4818
      CloseHandle(hMap);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4819
      CloseHandle(hFile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4820
      return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4821
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4822
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4823
    if (CloseHandle(hMap) == 0) {
37430
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  4824
      log_info(os)("CloseHandle(hMap) failed: GetLastError->%ld.", GetLastError());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4825
      CloseHandle(hFile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4826
      return base;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4827
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4828
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4829
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4830
  if (allow_exec) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4831
    DWORD old_protect;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4832
    DWORD exec_access = read_only ? PAGE_EXECUTE_READ : PAGE_EXECUTE_READWRITE;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4833
    bool res = VirtualProtect(base, bytes, exec_access, &old_protect) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4834
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4835
    if (!res) {
37430
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  4836
      log_info(os)("VirtualProtect() failed: GetLastError->%ld.", GetLastError());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4837
      // Don't consider this a hard error, on IA32 even if the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4838
      // VirtualProtect fails, we should still be able to execute
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4839
      CloseHandle(hFile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4840
      return base;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4841
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4842
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4843
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4844
  if (CloseHandle(hFile) == 0) {
37430
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  4845
    log_info(os)("CloseHandle(hFile) failed: GetLastError->%ld.", GetLastError());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4846
    return base;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4847
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4848
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4849
  return base;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4850
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4851
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4852
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4853
// Remap a block of memory.
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  4854
char* os::pd_remap_memory(int fd, const char* file_name, size_t file_offset,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  4855
                          char *addr, size_t bytes, bool read_only,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  4856
                          bool allow_exec) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4857
  // This OS does not allow existing memory maps to be remapped so we
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4858
  // have to unmap the memory before we remap it.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4859
  if (!os::unmap_memory(addr, bytes)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4860
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4861
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4862
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4863
  // There is a very small theoretical window between the unmap_memory()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4864
  // call above and the map_memory() call below where a thread in native
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4865
  // code may be able to access an address that is no longer mapped.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4866
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  4867
  return os::map_memory(fd, file_name, file_offset, addr, bytes,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  4868
                        read_only, allow_exec);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4869
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4870
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4871
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4872
// Unmap a block of memory.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4873
// Returns true=success, otherwise false.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4874
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  4875
bool os::pd_unmap_memory(char* addr, size_t bytes) {
32748
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4876
  MEMORY_BASIC_INFORMATION mem_info;
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4877
  if (VirtualQuery(addr, &mem_info, sizeof(mem_info)) == 0) {
37430
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  4878
    log_info(os)("VirtualQuery() failed: GetLastError->%ld.", GetLastError());
32748
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4879
    return false;
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4880
  }
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4881
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4882
  // Executable memory was not mapped using CreateFileMapping/MapViewOfFileEx.
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4883
  // Instead, executable region was allocated using VirtualAlloc(). See
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4884
  // pd_map_memory() above.
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4885
  //
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4886
  // The following flags should match the 'exec_access' flages used for
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4887
  // VirtualProtect() in pd_map_memory().
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4888
  if (mem_info.Protect == PAGE_EXECUTE_READ ||
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4889
      mem_info.Protect == PAGE_EXECUTE_READWRITE) {
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4890
    return pd_release_memory(addr, bytes);
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4891
  }
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4892
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4893
  BOOL result = UnmapViewOfFile(addr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4894
  if (result == 0) {
37430
fd743dadef12 8151939: VM_Version_init() print buffer is too small
coleenp
parents: 37113
diff changeset
  4895
    log_info(os)("UnmapViewOfFile() failed: GetLastError->%ld.", GetLastError());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4896
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4897
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4898
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4899
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4900
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4901
void os::pause() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4902
  char filename[MAX_PATH];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4903
  if (PauseAtStartupFile && PauseAtStartupFile[0]) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4904
    jio_snprintf(filename, MAX_PATH, PauseAtStartupFile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4905
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4906
    jio_snprintf(filename, MAX_PATH, "./vm.paused.%d", current_process_id());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4907
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4908
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4909
  int fd = ::open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4910
  if (fd != -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4911
    struct stat buf;
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4912
    ::close(fd);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4913
    while (::stat(filename, &buf) == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4914
      Sleep(100);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4915
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4916
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4917
    jio_fprintf(stderr,
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  4918
                "Could not open pause file '%s', continuing immediately.\n", filename);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4919
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4920
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4921
46644
a5813fb66270 8183925: Decouple crash protection from watcher thread
rehn
parents: 46625
diff changeset
  4922
Thread* os::ThreadCrashProtection::_protected_thread = NULL;
a5813fb66270 8183925: Decouple crash protection from watcher thread
rehn
parents: 46625
diff changeset
  4923
os::ThreadCrashProtection* os::ThreadCrashProtection::_crash_protection = NULL;
a5813fb66270 8183925: Decouple crash protection from watcher thread
rehn
parents: 46625
diff changeset
  4924
volatile intptr_t os::ThreadCrashProtection::_crash_mux = 0;
a5813fb66270 8183925: Decouple crash protection from watcher thread
rehn
parents: 46625
diff changeset
  4925
a5813fb66270 8183925: Decouple crash protection from watcher thread
rehn
parents: 46625
diff changeset
  4926
os::ThreadCrashProtection::ThreadCrashProtection() {
18943
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4927
}
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4928
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4929
// See the caveats for this class in os_windows.hpp
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4930
// Protects the callback call so that raised OS EXCEPTIONS causes a jump back
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4931
// into this method and returns false. If no OS EXCEPTION was raised, returns
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4932
// true.
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4933
// The callback is supposed to provide the method that should be protected.
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4934
//
46644
a5813fb66270 8183925: Decouple crash protection from watcher thread
rehn
parents: 46625
diff changeset
  4935
bool os::ThreadCrashProtection::call(os::CrashProtectionCallback& cb) {
a5813fb66270 8183925: Decouple crash protection from watcher thread
rehn
parents: 46625
diff changeset
  4936
a5813fb66270 8183925: Decouple crash protection from watcher thread
rehn
parents: 46625
diff changeset
  4937
  Thread::muxAcquire(&_crash_mux, "CrashProtection");
a5813fb66270 8183925: Decouple crash protection from watcher thread
rehn
parents: 46625
diff changeset
  4938
a5813fb66270 8183925: Decouple crash protection from watcher thread
rehn
parents: 46625
diff changeset
  4939
  _protected_thread = Thread::current_or_null();
a5813fb66270 8183925: Decouple crash protection from watcher thread
rehn
parents: 46625
diff changeset
  4940
  assert(_protected_thread != NULL, "Cannot crash protect a NULL thread");
18943
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4941
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4942
  bool success = true;
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4943
  __try {
46644
a5813fb66270 8183925: Decouple crash protection from watcher thread
rehn
parents: 46625
diff changeset
  4944
    _crash_protection = this;
18943
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4945
    cb.call();
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4946
  } __except(EXCEPTION_EXECUTE_HANDLER) {
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4947
    // only for protection, nothing to do
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4948
    success = false;
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4949
  }
46644
a5813fb66270 8183925: Decouple crash protection from watcher thread
rehn
parents: 46625
diff changeset
  4950
  _crash_protection = NULL;
a5813fb66270 8183925: Decouple crash protection from watcher thread
rehn
parents: 46625
diff changeset
  4951
  _protected_thread = NULL;
a5813fb66270 8183925: Decouple crash protection from watcher thread
rehn
parents: 46625
diff changeset
  4952
  Thread::muxRelease(&_crash_mux);
18943
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4953
  return success;
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4954
}
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4955
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4956
// An Event wraps a win32 "CreateEvent" kernel handle.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4957
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4958
// We have a number of choices regarding "CreateEvent" win32 handle leakage:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4959
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4960
// 1:  When a thread dies return the Event to the EventFreeList, clear the ParkHandle
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4961
//     field, and call CloseHandle() on the win32 event handle.  Unpark() would
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4962
//     need to be modified to tolerate finding a NULL (invalid) win32 event handle.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4963
//     In addition, an unpark() operation might fetch the handle field, but the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4964
//     event could recycle between the fetch and the SetEvent() operation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4965
//     SetEvent() would either fail because the handle was invalid, or inadvertently work,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4966
//     as the win32 handle value had been recycled.  In an ideal world calling SetEvent()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4967
//     on an stale but recycled handle would be harmless, but in practice this might
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4968
//     confuse other non-Sun code, so it's not a viable approach.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4969
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4970
// 2:  Once a win32 event handle is associated with an Event, it remains associated
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4971
//     with the Event.  The event handle is never closed.  This could be construed
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4972
//     as handle leakage, but only up to the maximum # of threads that have been extant
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4973
//     at any one time.  This shouldn't be an issue, as windows platforms typically
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4974
//     permit a process to have hundreds of thousands of open handles.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4975
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4976
// 3:  Same as (1), but periodically, at stop-the-world time, rundown the EventFreeList
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4977
//     and release unused handles.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4978
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4979
// 4:  Add a CRITICAL_SECTION to the Event to protect LD+SetEvent from LD;ST(null);CloseHandle.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4980
//     It's not clear, however, that we wouldn't be trading one type of leak for another.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4981
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4982
// 5.  Use an RCU-like mechanism (Read-Copy Update).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4983
//     Or perhaps something similar to Maged Michael's "Hazard pointers".
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4984
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4985
// We use (2).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4986
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4987
// TODO-FIXME:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4988
// 1.  Reconcile Doug's JSR166 j.u.c park-unpark with the objectmonitor implementation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4989
// 2.  Consider wrapping the WaitForSingleObject(Ex) calls in SEH try/finally blocks
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4990
//     to recover from (or at least detect) the dreaded Windows 841176 bug.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4991
// 3.  Collapse the interrupt_event, the JSR166 parker event, and the objectmonitor ParkEvent
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4992
//     into a single win32 CreateEvent() handle.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4993
//
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  4994
// Assumption:
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  4995
//    Only one parker can exist on an event, which is why we allocate
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  4996
//    them per-thread. Multiple unparkers can coexist.
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  4997
//
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4998
// _Event transitions in park()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4999
//   -1 => -1 : illegal
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5000
//    1 =>  0 : pass - return immediately
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5001
//    0 => -1 : block; then set _Event to 0 before returning
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5002
//
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5003
// _Event transitions in unpark()
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5004
//    0 => 1 : just return
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5005
//    1 => 1 : just return
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5006
//   -1 => either 0 or 1; must signal target thread
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5007
//         That is, we can safely transition _Event from -1 to either
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5008
//         0 or 1.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5009
//
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5010
// _Event serves as a restricted-range semaphore.
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5011
//   -1 : thread is blocked, i.e. there is a waiter
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5012
//    0 : neutral: thread is running or ready,
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5013
//        could have been signaled after a wait started
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5014
//    1 : signaled - thread is running or ready
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5015
//
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5016
// Another possible encoding of _Event would be with
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5017
// explicit "PARKED" == 01b and "SIGNALED" == 10b bits.
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5018
//
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5019
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5020
int os::PlatformEvent::park(jlong Millis) {
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5021
  // Transitions for _Event:
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5022
  //   -1 => -1 : illegal
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5023
  //    1 =>  0 : pass - return immediately
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5024
  //    0 => -1 : block; then set _Event to 0 before returning
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5025
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5026
  guarantee(_ParkHandle != NULL , "Invariant");
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5027
  guarantee(Millis > 0          , "Invariant");
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5028
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5029
  // CONSIDER: defer assigning a CreateEvent() handle to the Event until
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5030
  // the initial park() operation.
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5031
  // Consider: use atomic decrement instead of CAS-loop
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5032
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5033
  int v;
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5034
  for (;;) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5035
    v = _Event;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5036
    if (Atomic::cmpxchg(v-1, &_Event, v) == v) break;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5037
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5038
  guarantee((v == 0) || (v == 1), "invariant");
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5039
  if (v != 0) return OS_OK;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5040
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5041
  // Do this the hard way by blocking ...
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5042
  // TODO: consider a brief spin here, gated on the success of recent
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5043
  // spin attempts by this thread.
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5044
  //
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5045
  // We decompose long timeouts into series of shorter timed waits.
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5046
  // Evidently large timo values passed in WaitForSingleObject() are problematic on some
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5047
  // versions of Windows.  See EventWait() for details.  This may be superstition.  Or not.
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5048
  // We trust the WAIT_TIMEOUT indication and don't track the elapsed wait time
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5049
  // with os::javaTimeNanos().  Furthermore, we assume that spurious returns from
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5050
  // ::WaitForSingleObject() caused by latent ::setEvent() operations will tend
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5051
  // to happen early in the wait interval.  Specifically, after a spurious wakeup (rv ==
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5052
  // WAIT_OBJECT_0 but _Event is still < 0) we don't bother to recompute Millis to compensate
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5053
  // for the already waited time.  This policy does not admit any new outcomes.
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5054
  // In the future, however, we might want to track the accumulated wait time and
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5055
  // adjust Millis accordingly if we encounter a spurious wakeup.
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5056
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5057
  const int MAXTIMEOUT = 0x10000000;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5058
  DWORD rv = WAIT_TIMEOUT;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5059
  while (_Event < 0 && Millis > 0) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5060
    DWORD prd = Millis;     // set prd = MAX (Millis, MAXTIMEOUT)
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5061
    if (Millis > MAXTIMEOUT) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5062
      prd = MAXTIMEOUT;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5063
    }
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5064
    rv = ::WaitForSingleObject(_ParkHandle, prd);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5065
    assert(rv == WAIT_OBJECT_0 || rv == WAIT_TIMEOUT, "WaitForSingleObject failed");
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5066
    if (rv == WAIT_TIMEOUT) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5067
      Millis -= prd;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5068
    }
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5069
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5070
  v = _Event;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5071
  _Event = 0;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5072
  // see comment at end of os::PlatformEvent::park() below:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5073
  OrderAccess::fence();
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5074
  // If we encounter a nearly simultanous timeout expiry and unpark()
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5075
  // we return OS_OK indicating we awoke via unpark().
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5076
  // Implementor's license -- returning OS_TIMEOUT would be equally valid, however.
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5077
  return (v >= 0) ? OS_OK : OS_TIMEOUT;
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  5078
}
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  5079
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  5080
void os::PlatformEvent::park() {
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5081
  // Transitions for _Event:
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5082
  //   -1 => -1 : illegal
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5083
  //    1 =>  0 : pass - return immediately
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5084
  //    0 => -1 : block; then set _Event to 0 before returning
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5085
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5086
  guarantee(_ParkHandle != NULL, "Invariant");
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5087
  // Invariant: Only the thread associated with the Event/PlatformEvent
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5088
  // may call park().
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5089
  // Consider: use atomic decrement instead of CAS-loop
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5090
  int v;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5091
  for (;;) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5092
    v = _Event;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5093
    if (Atomic::cmpxchg(v-1, &_Event, v) == v) break;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5094
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5095
  guarantee((v == 0) || (v == 1), "invariant");
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5096
  if (v != 0) return;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5097
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5098
  // Do this the hard way by blocking ...
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5099
  // TODO: consider a brief spin here, gated on the success of recent
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5100
  // spin attempts by this thread.
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5101
  while (_Event < 0) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5102
    DWORD rv = ::WaitForSingleObject(_ParkHandle, INFINITE);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5103
    assert(rv == WAIT_OBJECT_0, "WaitForSingleObject failed");
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5104
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5105
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5106
  // Usually we'll find _Event == 0 at this point, but as
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5107
  // an optional optimization we clear it, just in case can
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5108
  // multiple unpark() operations drove _Event up to 1.
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5109
  _Event = 0;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5110
  OrderAccess::fence();
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5111
  guarantee(_Event >= 0, "invariant");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5112
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5113
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5114
void os::PlatformEvent::unpark() {
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  5115
  guarantee(_ParkHandle != NULL, "Invariant");
15234
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5116
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5117
  // Transitions for _Event:
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5118
  //    0 => 1 : just return
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5119
  //    1 => 1 : just return
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5120
  //   -1 => either 0 or 1; must signal target thread
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5121
  //         That is, we can safely transition _Event from -1 to either
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5122
  //         0 or 1.
15234
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5123
  // See also: "Semaphores in Plan 9" by Mullender & Cox
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5124
  //
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5125
  // Note: Forcing a transition from "-1" to "1" on an unpark() means
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5126
  // that it will take two back-to-back park() calls for the owning
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5127
  // thread to block. This has the benefit of forcing a spurious return
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5128
  // from the first park() call after an unpark() call which will help
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5129
  // shake out uses of park() and unpark() without condition variables.
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5130
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5131
  if (Atomic::xchg(1, &_Event) >= 0) return;
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5132
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5133
  ::SetEvent(_ParkHandle);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5134
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5135
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5136
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5137
// JSR166
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5138
// -------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5139
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5140
// The Windows implementation of Park is very straightforward: Basic
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5141
// operations on Win32 Events turn out to have the right semantics to
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5142
// use them directly. We opportunistically resuse the event inherited
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5143
// from Monitor.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5144
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5145
void Parker::park(bool isAbsolute, jlong time) {
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  5146
  guarantee(_ParkEvent != NULL, "invariant");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5147
  // First, demultiplex/decode time arguments
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5148
  if (time < 0) { // don't wait
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5149
    return;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5150
  } else if (time == 0 && !isAbsolute) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5151
    time = INFINITE;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5152
  } else if (isAbsolute) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5153
    time -= os::javaTimeMillis(); // convert to relative time
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5154
    if (time <= 0) {  // already elapsed
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5155
      return;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5156
    }
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5157
  } else { // relative
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5158
    time /= 1000000;  // Must coarsen from nanos to millis
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5159
    if (time == 0) {  // Wait for the minimal time unit if zero
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5160
      time = 1;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5161
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5162
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5163
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5164
  JavaThread* thread = JavaThread::current();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5165
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5166
  // Don't wait if interrupted or already triggered
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5167
  if (Thread::is_interrupted(thread, false) ||
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5168
      WaitForSingleObject(_ParkEvent, 0) == WAIT_OBJECT_0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5169
    ResetEvent(_ParkEvent);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5170
    return;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5171
  } else {
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5172
    ThreadBlockInVM tbivm(thread);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5173
    OSThreadWaitState osts(thread->osthread(), false /* not Object.wait() */);
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5174
    thread->set_suspend_equivalent();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5175
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  5176
    WaitForSingleObject(_ParkEvent, time);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5177
    ResetEvent(_ParkEvent);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5178
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5179
    // If externally suspended while waiting, re-suspend
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5180
    if (thread->handle_special_suspend_equivalent_condition()) {
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5181
      thread->java_suspend_self();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5182
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5183
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5184
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5185
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5186
void Parker::unpark() {
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  5187
  guarantee(_ParkEvent != NULL, "invariant");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5188
  SetEvent(_ParkEvent);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5189
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5190
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5191
// Run the specified command in a separate process. Return its exit value,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5192
// or -1 on failure (e.g. can't create a new process).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5193
int os::fork_and_exec(char* cmd) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5194
  STARTUPINFO si;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5195
  PROCESS_INFORMATION pi;
46476
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5196
  DWORD exit_code;
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5197
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5198
  char * cmd_string;
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5199
  char * cmd_prefix = "cmd /C ";
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5200
  size_t len = strlen(cmd) + strlen(cmd_prefix) + 1;
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5201
  cmd_string = NEW_C_HEAP_ARRAY_RETURN_NULL(char, len, mtInternal);
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5202
  if (cmd_string == NULL) {
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5203
    return -1;
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5204
  }
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5205
  cmd_string[0] = '\0';
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5206
  strcat(cmd_string, cmd_prefix);
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5207
  strcat(cmd_string, cmd);
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5208
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5209
  // now replace all '\n' with '&'
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5210
  char * substring = cmd_string;
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5211
  while ((substring = strchr(substring, '\n')) != NULL) {
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5212
    substring[0] = '&';
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5213
    substring++;
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5214
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5215
  memset(&si, 0, sizeof(si));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5216
  si.cb = sizeof(si);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5217
  memset(&pi, 0, sizeof(pi));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5218
  BOOL rslt = CreateProcess(NULL,   // executable name - use command line
46476
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5219
                            cmd_string,    // command line
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5220
                            NULL,   // process security attribute
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5221
                            NULL,   // thread security attribute
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5222
                            TRUE,   // inherits system handles
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5223
                            0,      // no creation flags
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5224
                            NULL,   // use parent's environment block
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5225
                            NULL,   // use parent's starting directory
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5226
                            &si,    // (in) startup information
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5227
                            &pi);   // (out) process information
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5228
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5229
  if (rslt) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5230
    // Wait until child process exits.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5231
    WaitForSingleObject(pi.hProcess, INFINITE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5232
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5233
    GetExitCodeProcess(pi.hProcess, &exit_code);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5234
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5235
    // Close process and thread handles.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5236
    CloseHandle(pi.hProcess);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5237
    CloseHandle(pi.hThread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5238
  } else {
46476
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5239
    exit_code = -1;
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5240
  }
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5241
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5242
  FREE_C_HEAP_ARRAY(char, cmd_string);
8ead62daaa47 8177522: -XX:OnOutOfMemoryError does not work if supplied twice on windows
vkempik
parents: 43438
diff changeset
  5243
  return (int)exit_code;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5244
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5245
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 5547
diff changeset
  5246
bool os::find(address addr, outputStream* st) {
35903
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5247
  int offset = -1;
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5248
  bool result = false;
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5249
  char buf[256];
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5250
  if (os::dll_address_to_library_name(addr, buf, sizeof(buf), &offset)) {
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5251
    st->print(PTR_FORMAT " ", addr);
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5252
    if (strlen(buf) < sizeof(buf) - 1) {
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5253
      char* p = strrchr(buf, '\\');
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5254
      if (p) {
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5255
        st->print("%s", p + 1);
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5256
      } else {
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5257
        st->print("%s", buf);
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5258
      }
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5259
    } else {
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5260
        // The library name is probably truncated. Let's omit the library name.
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5261
        // See also JDK-8147512.
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5262
    }
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5263
    if (os::dll_address_to_function_name(addr, buf, sizeof(buf), &offset)) {
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5264
      st->print("::%s + 0x%x", buf, offset);
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5265
    }
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5266
    st->cr();
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5267
    result = true;
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5268
  }
049dfbdc3ced 8147510: [windows] no text locations shown for register info in hs-err file
stuefe
parents: 35487
diff changeset
  5269
  return result;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5270
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5271
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5272
LONG WINAPI os::win32::serialize_fault_filter(struct _EXCEPTION_POINTERS* e) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5273
  DWORD exception_code = e->ExceptionRecord->ExceptionCode;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5274
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  5275
  if (exception_code == EXCEPTION_ACCESS_VIOLATION) {
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5276
    JavaThread* thread = JavaThread::current();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5277
    PEXCEPTION_RECORD exceptionRecord = e->ExceptionRecord;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5278
    address addr = (address) exceptionRecord->ExceptionInformation[1];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5279
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5280
    if (os::is_memory_serialize_page(thread, addr)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5281
      return EXCEPTION_CONTINUE_EXECUTION;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5282
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5283
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5284
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5285
  return EXCEPTION_CONTINUE_SEARCH;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5286
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5287
16623
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  5288
static jint initSock() {
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5289
  WSADATA wsadata;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5290
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  5291
  if (WSAStartup(MAKEWORD(2,2), &wsadata) != 0) {
16623
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  5292
    jio_fprintf(stderr, "Could not initialize Winsock (error: %d)\n",
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5293
                ::GetLastError());
16623
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  5294
    return JNI_ERR;
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  5295
  }
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  5296
  return JNI_OK;
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5297
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5298
11256
025cd1741566 7091417: recvfrom's 6th input should be of type socklen_t
phh
parents: 10739
diff changeset
  5299
struct hostent* os::get_host_by_name(char* name) {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  5300
  return (struct hostent*)gethostbyname(name);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5301
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5302
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5303
int os::socket_close(int fd) {
12593
b0e4fdf19f29 7157695: Add windows implementation of socket interface
twisti
parents: 11961
diff changeset
  5304
  return ::closesocket(fd);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5305
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5306
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5307
int os::socket(int domain, int type, int protocol) {
12593
b0e4fdf19f29 7157695: Add windows implementation of socket interface
twisti
parents: 11961
diff changeset
  5308
  return ::socket(domain, type, protocol);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5309
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5310
11256
025cd1741566 7091417: recvfrom's 6th input should be of type socklen_t
phh
parents: 10739
diff changeset
  5311
int os::connect(int fd, struct sockaddr* him, socklen_t len) {
12593
b0e4fdf19f29 7157695: Add windows implementation of socket interface
twisti
parents: 11961
diff changeset
  5312
  return ::connect(fd, him, len);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5313
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5314
11256
025cd1741566 7091417: recvfrom's 6th input should be of type socklen_t
phh
parents: 10739
diff changeset
  5315
int os::recv(int fd, char* buf, size_t nBytes, uint flags) {
12593
b0e4fdf19f29 7157695: Add windows implementation of socket interface
twisti
parents: 11961
diff changeset
  5316
  return ::recv(fd, buf, (int)nBytes, flags);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5317
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5318
11256
025cd1741566 7091417: recvfrom's 6th input should be of type socklen_t
phh
parents: 10739
diff changeset
  5319
int os::send(int fd, char* buf, size_t nBytes, uint flags) {
12593
b0e4fdf19f29 7157695: Add windows implementation of socket interface
twisti
parents: 11961
diff changeset
  5320
  return ::send(fd, buf, (int)nBytes, flags);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5321
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5322
11256
025cd1741566 7091417: recvfrom's 6th input should be of type socklen_t
phh
parents: 10739
diff changeset
  5323
int os::raw_send(int fd, char* buf, size_t nBytes, uint flags) {
12593
b0e4fdf19f29 7157695: Add windows implementation of socket interface
twisti
parents: 11961
diff changeset
  5324
  return ::send(fd, buf, (int)nBytes, flags);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5325
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5326
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5327
// WINDOWS CONTEXT Flags for THREAD_SAMPLING
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5328
#if defined(IA32)
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5329
  #define sampling_context_flags (CONTEXT_FULL | CONTEXT_FLOATING_POINT | CONTEXT_EXTENDED_REGISTERS)
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5330
#elif defined (AMD64)
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5331
  #define sampling_context_flags (CONTEXT_FULL | CONTEXT_FLOATING_POINT)
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5332
#endif
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5333
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5334
// returns true if thread could be suspended,
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5335
// false otherwise
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5336
static bool do_suspend(HANDLE* h) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5337
  if (h != NULL) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5338
    if (SuspendThread(*h) != ~0) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5339
      return true;
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5340
    }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5341
  }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5342
  return false;
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5343
}
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5344
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5345
// resume the thread
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5346
// calling resume on an active thread is a no-op
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5347
static void do_resume(HANDLE* h) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5348
  if (h != NULL) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5349
    ResumeThread(*h);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5350
  }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5351
}
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5352
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5353
// retrieve a suspend/resume context capable handle
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5354
// from the tid. Caller validates handle return value.
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5355
void get_thread_handle_for_extended_context(HANDLE* h,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5356
                                            OSThread::thread_id_t tid) {
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5357
  if (h != NULL) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5358
    *h = OpenThread(THREAD_SUSPEND_RESUME | THREAD_GET_CONTEXT | THREAD_QUERY_INFORMATION, FALSE, tid);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5359
  }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5360
}
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5361
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5362
// Thread sampling implementation
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5363
//
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5364
void os::SuspendedThreadTask::internal_do_task() {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5365
  CONTEXT    ctxt;
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5366
  HANDLE     h = NULL;
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5367
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5368
  // get context capable handle for thread
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5369
  get_thread_handle_for_extended_context(&h, _thread->osthread()->thread_id());
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5370
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5371
  // sanity
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5372
  if (h == NULL || h == INVALID_HANDLE_VALUE) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5373
    return;
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5374
  }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5375
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5376
  // suspend the thread
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5377
  if (do_suspend(&h)) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5378
    ctxt.ContextFlags = sampling_context_flags;
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5379
    // get thread context
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5380
    GetThreadContext(h, &ctxt);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5381
    SuspendedThreadTaskContext context(_thread, &ctxt);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5382
    // pass context to Thread Sampling impl
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5383
    do_task(context);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5384
    // resume thread
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5385
    do_resume(&h);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5386
  }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5387
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5388
  // close handle
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5389
  CloseHandle(h);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5390
}
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5391
34305
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5392
bool os::start_debugging(char *buf, int buflen) {
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5393
  int len = (int)strlen(buf);
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5394
  char *p = &buf[len];
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5395
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5396
  jio_snprintf(p, buflen-len,
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5397
             "\n\n"
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5398
             "Do you want to debug the problem?\n\n"
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5399
             "To debug, attach Visual Studio to process %d; then switch to thread 0x%x\n"
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5400
             "Select 'Yes' to launch Visual Studio automatically (PATH must include msdev)\n"
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5401
             "Otherwise, select 'No' to abort...",
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5402
             os::current_process_id(), os::current_thread_id());
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5403
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5404
  bool yes = os::message_box("Unexpected Error", buf);
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5405
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5406
  if (yes) {
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5407
    // os::breakpoint() calls DebugBreak(), which causes a breakpoint
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5408
    // exception. If VM is running inside a debugger, the debugger will
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5409
    // catch the exception. Otherwise, the breakpoint exception will reach
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5410
    // the default windows exception handler, which can spawn a debugger and
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5411
    // automatically attach to the dying VM.
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5412
    os::breakpoint();
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5413
    yes = false;
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5414
  }
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5415
  return yes;
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5416
}
10246
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  5417
19553
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5418
void* os::get_default_process_handle() {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5419
  return (void*)GetModuleHandle(NULL);
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5420
}
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5421
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5422
// Builds a platform dependent Agent_OnLoad_<lib_name> function name
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5423
// which is used to find statically linked in agents.
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5424
// Additionally for windows, takes into account __stdcall names.
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5425
// Parameters:
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5426
//            sym_name: Symbol in library we are looking for
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5427
//            lib_name: Name of library to look in, NULL for shared libs.
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5428
//            is_absolute_path == true if lib_name is absolute path to agent
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5429
//                                     such as "C:/a/b/L.dll"
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5430
//            == false if only the base name of the library is passed in
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5431
//               such as "L"
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5432
char* os::build_agent_function_name(const char *sym_name, const char *lib_name,
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5433
                                    bool is_absolute_path) {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5434
  char *agent_entry_name;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5435
  size_t len;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5436
  size_t name_len;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5437
  size_t prefix_len = strlen(JNI_LIB_PREFIX);
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5438
  size_t suffix_len = strlen(JNI_LIB_SUFFIX);
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5439
  const char *start;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5440
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5441
  if (lib_name != NULL) {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5442
    len = name_len = strlen(lib_name);
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5443
    if (is_absolute_path) {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5444
      // Need to strip path, prefix and suffix
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5445
      if ((start = strrchr(lib_name, *os::file_separator())) != NULL) {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5446
        lib_name = ++start;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5447
      } else {
19973
d98623e1f50b 8024007: Misc. cleanup of static agent code
bpittore
parents: 19560
diff changeset
  5448
        // Need to check for drive prefix
19553
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5449
        if ((start = strchr(lib_name, ':')) != NULL) {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5450
          lib_name = ++start;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5451
        }
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5452
      }
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5453
      if (len <= (prefix_len + suffix_len)) {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5454
        return NULL;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5455
      }
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5456
      lib_name += prefix_len;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5457
      name_len = strlen(lib_name) - suffix_len;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5458
    }
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5459
  }
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5460
  len = (lib_name != NULL ? name_len : 0) + strlen(sym_name) + 2;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5461
  agent_entry_name = NEW_C_HEAP_ARRAY_RETURN_NULL(char, len, mtThread);
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5462
  if (agent_entry_name == NULL) {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5463
    return NULL;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5464
  }
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5465
  if (lib_name != NULL) {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5466
    const char *p = strrchr(sym_name, '@');
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5467
    if (p != NULL && p != sym_name) {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5468
      // sym_name == _Agent_OnLoad@XX
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5469
      strncpy(agent_entry_name, sym_name, (p - sym_name));
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5470
      agent_entry_name[(p-sym_name)] = '\0';
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5471
      // agent_entry_name == _Agent_OnLoad
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5472
      strcat(agent_entry_name, "_");
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5473
      strncat(agent_entry_name, lib_name, name_len);
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5474
      strcat(agent_entry_name, p);
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5475
      // agent_entry_name == _Agent_OnLoad_lib_name@XX
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5476
    } else {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5477
      strcpy(agent_entry_name, sym_name);
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5478
      strcat(agent_entry_name, "_");
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5479
      strncat(agent_entry_name, lib_name, name_len);
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5480
    }
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5481
  } else {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5482
    strcpy(agent_entry_name, sym_name);
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5483
  }
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5484
  return agent_entry_name;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5485
}
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5486
19546
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19274
diff changeset
  5487
#ifndef PRODUCT
19981
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5488
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5489
// test the code path in reserve_memory_special() that tries to allocate memory in a single
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5490
// contiguous memory block at a particular address.
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5491
// The test first tries to find a good approximate address to allocate at by using the same
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5492
// method to allocate some memory at any address. The test then tries to allocate memory in
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5493
// the vicinity (not directly after it to avoid possible by-chance use of that location)
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5494
// This is of course only some dodgy assumption, there is no guarantee that the vicinity of
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5495
// the previously allocated memory is available for allocation. The only actual failure
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5496
// that is reported is when the test tries to allocate at a particular location but gets a
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5497
// different valid one. A NULL return value at this point is not considered an error but may
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5498
// be legitimate.
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5499
// If -XX:+VerboseInternalVMTests is enabled, print some explanatory messages.
19546
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19274
diff changeset
  5500
void TestReserveMemorySpecial_test() {
19981
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5501
  if (!UseLargePages) {
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5502
    if (VerboseInternalVMTests) {
35061
be6025ebffea 8145092: Use Unified Logging for the GC logging
brutisso
parents: 35056
diff changeset
  5503
      tty->print("Skipping test because large pages are disabled");
19981
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5504
    }
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5505
    return;
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5506
  }
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5507
  // save current value of globals
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5508
  bool old_use_large_pages_individual_allocation = UseLargePagesIndividualAllocation;
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5509
  bool old_use_numa_interleaving = UseNUMAInterleaving;
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5510
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5511
  // set globals to make sure we hit the correct code path
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5512
  UseLargePagesIndividualAllocation = UseNUMAInterleaving = false;
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5513
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5514
  // do an allocation at an address selected by the OS to get a good one.
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5515
  const size_t large_allocation_size = os::large_page_size() * 4;
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5516
  char* result = os::reserve_memory_special(large_allocation_size, os::large_page_size(), NULL, false);
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5517
  if (result == NULL) {
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5518
    if (VerboseInternalVMTests) {
35061
be6025ebffea 8145092: Use Unified Logging for the GC logging
brutisso
parents: 35056
diff changeset
  5519
      tty->print("Failed to allocate control block with size " SIZE_FORMAT ". Skipping remainder of test.",
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5520
                          large_allocation_size);
19981
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5521
    }
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5522
  } else {
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5523
    os::release_memory_special(result, large_allocation_size);
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5524
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5525
    // allocate another page within the recently allocated memory area which seems to be a good location. At least
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5526
    // we managed to get it once.
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5527
    const size_t expected_allocation_size = os::large_page_size();
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5528
    char* expected_location = result + os::large_page_size();
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5529
    char* actual_location = os::reserve_memory_special(expected_allocation_size, os::large_page_size(), expected_location, false);
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5530
    if (actual_location == NULL) {
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5531
      if (VerboseInternalVMTests) {
35061
be6025ebffea 8145092: Use Unified Logging for the GC logging
brutisso
parents: 35056
diff changeset
  5532
        tty->print("Failed to allocate any memory at " PTR_FORMAT " size " SIZE_FORMAT ". Skipping remainder of test.",
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5533
                            expected_location, large_allocation_size);
19981
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5534
      }
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5535
    } else {
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5536
      // release memory
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5537
      os::release_memory_special(actual_location, expected_allocation_size);
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5538
      // only now check, after releasing any memory to avoid any leaks.
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5539
      assert(actual_location == expected_location,
33105
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 32748
diff changeset
  5540
             "Failed to allocate memory at requested location " PTR_FORMAT " of size " SIZE_FORMAT ", is " PTR_FORMAT " instead",
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 32748
diff changeset
  5541
             expected_location, expected_allocation_size, actual_location);
19981
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5542
    }
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5543
  }
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5544
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5545
  // restore globals
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5546
  UseLargePagesIndividualAllocation = old_use_large_pages_individual_allocation;
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5547
  UseNUMAInterleaving = old_use_numa_interleaving;
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5548
}
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5549
#endif // PRODUCT
34621
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5550
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5551
/*
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5552
  All the defined signal names for Windows.
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5553
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5554
  NOTE that not all of these names are accepted by FindSignal!
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5555
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5556
  For various reasons some of these may be rejected at runtime.
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5557
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5558
  Here are the names currently accepted by a user of sun.misc.Signal with
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5559
  1.4.1 (ignoring potential interaction with use of chaining, etc):
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5560
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5561
     (LIST TBD)
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5562
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5563
*/
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5564
int os::get_signal_number(const char* name) {
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5565
  static const struct {
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5566
    char* name;
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5567
    int   number;
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5568
  } siglabels [] =
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5569
    // derived from version 6.0 VC98/include/signal.h
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5570
  {"ABRT",      SIGABRT,        // abnormal termination triggered by abort cl
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5571
  "FPE",        SIGFPE,         // floating point exception
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5572
  "SEGV",       SIGSEGV,        // segment violation
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5573
  "INT",        SIGINT,         // interrupt
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5574
  "TERM",       SIGTERM,        // software term signal from kill
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5575
  "BREAK",      SIGBREAK,       // Ctrl-Break sequence
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5576
  "ILL",        SIGILL};        // illegal instruction
37052
e608476da586 8150688: Fix os_windows siglabel
kbarrett
parents: 36571
diff changeset
  5577
  for (unsigned i = 0; i < ARRAY_SIZE(siglabels); ++i) {
e608476da586 8150688: Fix os_windows siglabel
kbarrett
parents: 36571
diff changeset
  5578
    if (strcmp(name, siglabels[i].name) == 0) {
34621
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5579
      return siglabels[i].number;
37052
e608476da586 8150688: Fix os_windows siglabel
kbarrett
parents: 36571
diff changeset
  5580
    }
e608476da586 8150688: Fix os_windows siglabel
kbarrett
parents: 36571
diff changeset
  5581
  }
34621
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5582
  return -1;
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5583
}
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5584
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5585
// Fast current thread access
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5586
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5587
int os::win32::_thread_ptr_offset = 0;
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5588
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5589
static void call_wrapper_dummy() {}
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5590
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5591
// We need to call the os_exception_wrapper once so that it sets
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5592
// up the offset from FS of the thread pointer.
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5593
void os::win32::initialize_thread_ptr_offset() {
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5594
  os::os_exception_wrapper((java_call_t)call_wrapper_dummy,
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5595
                           NULL, NULL, NULL, NULL);
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
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