hotspot/src/os/windows/vm/os_windows.cpp
author igerasim
Wed, 13 Jan 2016 11:43:07 +0300
changeset 35487 7c043e468890
parent 35462 a1bed49c67a8
child 35903 049dfbdc3ced
permissions -rw-r--r--
8145127: VM warning: WaitForMultipleObjects timed out (0) ... Summary: Increase number of tracked threads, and set exiting-process flag earlier Reviewed-by: dholmes, dcubed
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/*
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 * Copyright (c) 1997, 2015, 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 "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 "jvm_windows.h"
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#include "memory/allocation.inline.hpp"
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#include "memory/filemap.hpp"
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#include "mutex_windows.inline.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.h"
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#include "prims/jvm_misc.hpp"
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#include "runtime/arguments.hpp"
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#include "runtime/atomic.inline.hpp"
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#include "runtime/extendedPC.hpp"
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#include "runtime/globals.hpp"
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#include "runtime/interfaceSupport.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 "semaphore_windows.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/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/vmError.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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// 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_IA64
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  #define __CPU__ ia64
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#else
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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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#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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    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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#ifdef _NMT_NOINLINE_
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  toSkip++;
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#endif
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  int captured = RtlCaptureStackBackTrace(toSkip + 1, frames, (PVOID*)stack, NULL);
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  for (int index = captured; index < frames; index ++) {
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    stack[index] = NULL;
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   326
  }
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 25719
diff changeset
   327
  return captured;
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
   328
}
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
1
489c9b5090e2 Initial load
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parents:
diff changeset
   331
// os::current_stack_base()
489c9b5090e2 Initial load
duke
parents:
diff changeset
   332
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   333
//   Returns the base of the stack, which is the stack's
489c9b5090e2 Initial load
duke
parents:
diff changeset
   334
//   starting address.  This function must be called
489c9b5090e2 Initial load
duke
parents:
diff changeset
   335
//   while running on the stack of the thread being queried.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   336
489c9b5090e2 Initial load
duke
parents:
diff changeset
   337
address os::current_stack_base() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   338
  MEMORY_BASIC_INFORMATION minfo;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   339
  address stack_bottom;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   340
  size_t stack_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   341
489c9b5090e2 Initial load
duke
parents:
diff changeset
   342
  VirtualQuery(&minfo, &minfo, sizeof(minfo));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   343
  stack_bottom =  (address)minfo.AllocationBase;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   344
  stack_size = minfo.RegionSize;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   345
489c9b5090e2 Initial load
duke
parents:
diff changeset
   346
  // Add up the sizes of all the regions with the same
489c9b5090e2 Initial load
duke
parents:
diff changeset
   347
  // AllocationBase.
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   348
  while (1) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   349
    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
   350
    if (stack_bottom == (address)minfo.AllocationBase) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   351
      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
   352
    } else {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   353
      break;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   354
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   355
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   356
489c9b5090e2 Initial load
duke
parents:
diff changeset
   357
#ifdef _M_IA64
489c9b5090e2 Initial load
duke
parents:
diff changeset
   358
  // IA64 has memory and register stacks
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   359
  //
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   360
  // This is the stack layout you get on NT/IA64 if you specify 1MB stack limit
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   361
  // at thread creation (1MB backing store growing upwards, 1MB memory stack
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   362
  // growing downwards, 2MB summed up)
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   363
  //
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   364
  // ...
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   365
  // ------- top of stack (high address) -----
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   366
  // |
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   367
  // |      1MB
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   368
  // |      Backing Store (Register Stack)
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   369
  // |
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   370
  // |         / \
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   371
  // |          |
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   372
  // |          |
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   373
  // |          |
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   374
  // ------------------------ stack base -----
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   375
  // |      1MB
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   376
  // |      Memory Stack
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   377
  // |
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   378
  // |          |
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   379
  // |          |
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   380
  // |          |
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   381
  // |         \ /
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   382
  // |
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   383
  // ----- bottom of stack (low address) -----
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   384
  // ...
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
   385
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   386
  stack_size = stack_size / 2;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   387
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   388
  return stack_bottom + stack_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   389
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   390
489c9b5090e2 Initial load
duke
parents:
diff changeset
   391
size_t os::current_stack_size() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   392
  size_t sz;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   393
  MEMORY_BASIC_INFORMATION minfo;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   394
  VirtualQuery(&minfo, &minfo, sizeof(minfo));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   395
  sz = (size_t)os::current_stack_base() - (size_t)minfo.AllocationBase;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   396
  return sz;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   397
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   398
2012
041fbc6030dd 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
ysr
parents: 1664
diff changeset
   399
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
   400
  const struct tm* time_struct_ptr = localtime(clock);
041fbc6030dd 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
ysr
parents: 1664
diff changeset
   401
  if (time_struct_ptr != NULL) {
041fbc6030dd 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
ysr
parents: 1664
diff changeset
   402
    *res = *time_struct_ptr;
041fbc6030dd 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
ysr
parents: 1664
diff changeset
   403
    return res;
041fbc6030dd 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
ysr
parents: 1664
diff changeset
   404
  }
041fbc6030dd 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
ysr
parents: 1664
diff changeset
   405
  return NULL;
041fbc6030dd 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
ysr
parents: 1664
diff changeset
   406
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
489c9b5090e2 Initial load
duke
parents:
diff changeset
   408
LONG WINAPI topLevelExceptionFilter(struct _EXCEPTION_POINTERS* exceptionInfo);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
// Thread start routine for all new Java threads
489c9b5090e2 Initial load
duke
parents:
diff changeset
   411
static unsigned __stdcall java_start(Thread* thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   412
  // Try to randomize the cache line index of hot stack frames.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   413
  // This helps when threads of the same stack traces evict each other's
489c9b5090e2 Initial load
duke
parents:
diff changeset
   414
  // cache lines. The threads can be either from the same JVM instance, or
489c9b5090e2 Initial load
duke
parents:
diff changeset
   415
  // from different JVM instances. The benefit is especially true for
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
  // processors with hyperthreading technology.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
  static int counter = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
  int pid = os::current_process_id();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   419
  _alloca(((pid ^ counter++) & 7) * 128);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
   421
  thread->initialize_thread_current();
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
   422
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   423
  OSThread* osthr = thread->osthread();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   424
  assert(osthr->get_state() == RUNNABLE, "invalid os thread state");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   425
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
  if (UseNUMA) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
    int lgrp_id = os::numa_get_group_id();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
    if (lgrp_id != -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
      thread->set_lgrp_id(lgrp_id);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
   433
  // Diagnostic code to investigate JDK-6573254
28627
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
   434
  int res = 30115;  // non-java thread
26295
6a9d9192f215 8055338: (process) Add instrumentation to help diagnose JDK-6573254
igerasim
parents: 26290
diff changeset
   435
  if (thread->is_Java_thread()) {
28627
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
   436
    res = 20115;    // java thread
26295
6a9d9192f215 8055338: (process) Add instrumentation to help diagnose JDK-6573254
igerasim
parents: 26290
diff changeset
   437
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   438
14284
ceb386367065 7188234: Deprecate VM command line options
coleenp
parents: 13932
diff changeset
   439
  // 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
   440
  // 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
   441
  // Java thread (e.g. VM thread).
ceb386367065 7188234: Deprecate VM command line options
coleenp
parents: 13932
diff changeset
   442
  __try {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   443
    thread->run();
14284
ceb386367065 7188234: Deprecate VM command line options
coleenp
parents: 13932
diff changeset
   444
  } __except(topLevelExceptionFilter(
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   445
                                     (_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
   446
    // Nothing to do.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   448
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
  // One less thread is executing
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
  // When the VMThread gets here, the main thread may have already exited
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
  // which frees the CodeHeap containing the Atomic::add code
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
  if (thread != VMThread::vm_thread() && VMThread::vm_thread() != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
    Atomic::dec_ptr((intptr_t*)&os::win32::_os_thread_count);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
   456
  // 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
   457
  // let it proceed to exit normally
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
   458
  return (unsigned)os::win32::exit_process_or_thread(os::win32::EPT_THREAD, res);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   459
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   460
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   461
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
   462
                                  int thread_id) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   463
  // Allocate the OSThread object
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
  OSThread* osthread = new OSThread(NULL, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
  if (osthread == NULL) return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   466
489c9b5090e2 Initial load
duke
parents:
diff changeset
   467
  // Initialize support for Java interrupts
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
  HANDLE interrupt_event = CreateEvent(NULL, true, false, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   469
  if (interrupt_event == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   470
    delete osthread;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   471
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   472
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   473
  osthread->set_interrupt_event(interrupt_event);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   474
489c9b5090e2 Initial load
duke
parents:
diff changeset
   475
  // Store info on the Win32 thread into the OSThread
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
  osthread->set_thread_handle(thread_handle);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
  osthread->set_thread_id(thread_id);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
489c9b5090e2 Initial load
duke
parents:
diff changeset
   479
  if (UseNUMA) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   480
    int lgrp_id = os::numa_get_group_id();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
    if (lgrp_id != -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
      thread->set_lgrp_id(lgrp_id);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   484
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   485
489c9b5090e2 Initial load
duke
parents:
diff changeset
   486
  // Initial thread state is INITIALIZED, not SUSPENDED
489c9b5090e2 Initial load
duke
parents:
diff changeset
   487
  osthread->set_state(INITIALIZED);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   488
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
  return osthread;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   490
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
489c9b5090e2 Initial load
duke
parents:
diff changeset
   492
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
bool os::create_attached_thread(JavaThread* thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   495
  thread->verify_not_published();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   496
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   497
  HANDLE thread_h;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   498
  if (!DuplicateHandle(main_process, GetCurrentThread(), GetCurrentProcess(),
489c9b5090e2 Initial load
duke
parents:
diff changeset
   499
                       &thread_h, THREAD_ALL_ACCESS, false, 0)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   500
    fatal("DuplicateHandle failed\n");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
  OSThread* osthread = create_os_thread(thread, thread_h,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   503
                                        (int)current_thread_id());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
  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
   505
    return false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   506
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   507
489c9b5090e2 Initial load
duke
parents:
diff changeset
   508
  // Initial thread state is RUNNABLE
489c9b5090e2 Initial load
duke
parents:
diff changeset
   509
  osthread->set_state(RUNNABLE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   510
489c9b5090e2 Initial load
duke
parents:
diff changeset
   511
  thread->set_osthread(osthread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   512
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   513
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   514
489c9b5090e2 Initial load
duke
parents:
diff changeset
   515
bool os::create_main_thread(JavaThread* thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   516
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   517
  thread->verify_not_published();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   518
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   519
  if (_starting_thread == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   520
    _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
   521
    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
   522
      return false;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   523
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   524
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   525
489c9b5090e2 Initial load
duke
parents:
diff changeset
   526
  // The primordial thread is runnable from the start)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   527
  _starting_thread->set_state(RUNNABLE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   528
489c9b5090e2 Initial load
duke
parents:
diff changeset
   529
  thread->set_osthread(_starting_thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   530
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   531
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   532
489c9b5090e2 Initial load
duke
parents:
diff changeset
   533
// 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
   534
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
   535
                       size_t stack_size) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   536
  unsigned thread_id;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   537
489c9b5090e2 Initial load
duke
parents:
diff changeset
   538
  // Allocate the OSThread object
489c9b5090e2 Initial load
duke
parents:
diff changeset
   539
  OSThread* osthread = new OSThread(NULL, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   540
  if (osthread == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   541
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   542
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   543
489c9b5090e2 Initial load
duke
parents:
diff changeset
   544
  // Initialize support for Java interrupts
489c9b5090e2 Initial load
duke
parents:
diff changeset
   545
  HANDLE interrupt_event = CreateEvent(NULL, true, false, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   546
  if (interrupt_event == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   547
    delete osthread;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   548
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   549
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   550
  osthread->set_interrupt_event(interrupt_event);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   551
  osthread->set_interrupted(false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   552
489c9b5090e2 Initial load
duke
parents:
diff changeset
   553
  thread->set_osthread(osthread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   554
489c9b5090e2 Initial load
duke
parents:
diff changeset
   555
  if (stack_size == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   556
    switch (thr_type) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   557
    case os::java_thread:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   558
      // 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
   559
      if (JavaThread::stack_size_at_create() > 0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   560
        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
   561
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   562
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   563
    case os::compiler_thread:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   564
      if (CompilerThreadStackSize > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   565
        stack_size = (size_t)(CompilerThreadStackSize * K);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   566
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   567
      } // else fall through:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   568
        // use VMThreadStackSize if CompilerThreadStackSize is not defined
489c9b5090e2 Initial load
duke
parents:
diff changeset
   569
    case os::vm_thread:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   570
    case os::pgc_thread:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   571
    case os::cgc_thread:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   572
    case os::watcher_thread:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   573
      if (VMThreadStackSize > 0) stack_size = (size_t)(VMThreadStackSize * K);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   574
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   575
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   576
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   577
489c9b5090e2 Initial load
duke
parents:
diff changeset
   578
  // Create the Win32 thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
   579
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
   580
  // Contrary to what MSDN document says, "stack_size" in _beginthreadex()
489c9b5090e2 Initial load
duke
parents:
diff changeset
   581
  // does not specify stack size. Instead, it specifies the size of
489c9b5090e2 Initial load
duke
parents:
diff changeset
   582
  // initially committed space. The stack size is determined by
489c9b5090e2 Initial load
duke
parents:
diff changeset
   583
  // PE header in the executable. If the committed "stack_size" is larger
489c9b5090e2 Initial load
duke
parents:
diff changeset
   584
  // than default value in the PE header, the stack is rounded up to the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   585
  // nearest multiple of 1MB. For example if the launcher has default
489c9b5090e2 Initial load
duke
parents:
diff changeset
   586
  // stack size of 320k, specifying any size less than 320k does not
489c9b5090e2 Initial load
duke
parents:
diff changeset
   587
  // affect the actual stack size at all, it only affects the initial
489c9b5090e2 Initial load
duke
parents:
diff changeset
   588
  // commitment. On the other hand, specifying 'stack_size' larger than
489c9b5090e2 Initial load
duke
parents:
diff changeset
   589
  // default value may cause significant increase in memory usage, because
489c9b5090e2 Initial load
duke
parents:
diff changeset
   590
  // not only the stack space will be rounded up to MB, but also the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   591
  // entire space is committed upfront.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   592
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
   593
  // Finally Windows XP added a new flag 'STACK_SIZE_PARAM_IS_A_RESERVATION'
489c9b5090e2 Initial load
duke
parents:
diff changeset
   594
  // for CreateThread() that can treat 'stack_size' as stack size. However we
489c9b5090e2 Initial load
duke
parents:
diff changeset
   595
  // are not supposed to call CreateThread() directly according to MSDN
489c9b5090e2 Initial load
duke
parents:
diff changeset
   596
  // document because JVM uses C runtime library. The good news is that the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   597
  // flag appears to work with _beginthredex() as well.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   598
489c9b5090e2 Initial load
duke
parents:
diff changeset
   599
  HANDLE thread_handle =
489c9b5090e2 Initial load
duke
parents:
diff changeset
   600
    (HANDLE)_beginthreadex(NULL,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   601
                           (unsigned)stack_size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   602
                           (unsigned (__stdcall *)(void*)) java_start,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   603
                           thread,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   604
                           CREATE_SUSPENDED | STACK_SIZE_PARAM_IS_A_RESERVATION,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   605
                           &thread_id);
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   606
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   607
  if (thread_handle == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   608
    // Need to clean up stuff we've allocated so far
489c9b5090e2 Initial load
duke
parents:
diff changeset
   609
    CloseHandle(osthread->interrupt_event());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   610
    thread->set_osthread(NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   611
    delete osthread;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   612
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   613
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   614
489c9b5090e2 Initial load
duke
parents:
diff changeset
   615
  Atomic::inc_ptr((intptr_t*)&os::win32::_os_thread_count);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   616
489c9b5090e2 Initial load
duke
parents:
diff changeset
   617
  // Store info on the Win32 thread into the OSThread
489c9b5090e2 Initial load
duke
parents:
diff changeset
   618
  osthread->set_thread_handle(thread_handle);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   619
  osthread->set_thread_id(thread_id);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   620
489c9b5090e2 Initial load
duke
parents:
diff changeset
   621
  // Initial thread state is INITIALIZED, not SUSPENDED
489c9b5090e2 Initial load
duke
parents:
diff changeset
   622
  osthread->set_state(INITIALIZED);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   623
489c9b5090e2 Initial load
duke
parents:
diff changeset
   624
  // The thread is returned suspended (in state INITIALIZED), and is started higher up in the call chain
489c9b5090e2 Initial load
duke
parents:
diff changeset
   625
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   626
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   627
489c9b5090e2 Initial load
duke
parents:
diff changeset
   628
489c9b5090e2 Initial load
duke
parents:
diff changeset
   629
// Free Win32 resources related to the OSThread
489c9b5090e2 Initial load
duke
parents:
diff changeset
   630
void os::free_thread(OSThread* osthread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   631
  assert(osthread != NULL, "osthread not set");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   632
  CloseHandle(osthread->thread_handle());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   633
  CloseHandle(osthread->interrupt_event());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   634
  delete osthread;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   635
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   636
489c9b5090e2 Initial load
duke
parents:
diff changeset
   637
static jlong first_filetime;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   638
static jlong initial_performance_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   639
static jlong performance_frequency;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   640
489c9b5090e2 Initial load
duke
parents:
diff changeset
   641
489c9b5090e2 Initial load
duke
parents:
diff changeset
   642
jlong as_long(LARGE_INTEGER x) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   643
  jlong result = 0; // initialization to avoid warning
489c9b5090e2 Initial load
duke
parents:
diff changeset
   644
  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
   645
  set_low(&result, x.LowPart);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   646
  return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   647
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   648
489c9b5090e2 Initial load
duke
parents:
diff changeset
   649
489c9b5090e2 Initial load
duke
parents:
diff changeset
   650
jlong os::elapsed_counter() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   651
  LARGE_INTEGER count;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   652
  QueryPerformanceCounter(&count);
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   653
  return as_long(count) - initial_performance_count;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   654
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   655
489c9b5090e2 Initial load
duke
parents:
diff changeset
   656
489c9b5090e2 Initial load
duke
parents:
diff changeset
   657
jlong os::elapsed_frequency() {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   658
  return performance_frequency;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   659
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   660
489c9b5090e2 Initial load
duke
parents:
diff changeset
   661
489c9b5090e2 Initial load
duke
parents:
diff changeset
   662
julong os::available_memory() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   663
  return win32::available_memory();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   664
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   665
489c9b5090e2 Initial load
duke
parents:
diff changeset
   666
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
   667
  // 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
   668
  // 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
   669
  MEMORYSTATUSEX ms;
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
   670
  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
   671
  GlobalMemoryStatusEx(&ms);
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
   672
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
   673
  return (julong)ms.ullAvailPhys;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   674
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   675
489c9b5090e2 Initial load
duke
parents:
diff changeset
   676
julong os::physical_memory() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   677
  return win32::physical_memory();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   678
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   679
16605
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 15927
diff changeset
   680
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
   681
  MEMORYSTATUSEX ms;
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 15927
diff changeset
   682
  ms.dwLength = sizeof(ms);
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 15927
diff changeset
   683
  GlobalMemoryStatusEx(&ms);
193
171c404abf72 6629887: 64-bit windows should not restrict default heap size to 1400m
phh
parents: 1
diff changeset
   684
#ifdef _LP64
16605
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 15927
diff changeset
   685
  *limit = (julong)ms.ullAvailVirtual;
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 15927
diff changeset
   686
  return true;
193
171c404abf72 6629887: 64-bit windows should not restrict default heap size to 1400m
phh
parents: 1
diff changeset
   687
#else
171c404abf72 6629887: 64-bit windows should not restrict default heap size to 1400m
phh
parents: 1
diff changeset
   688
  // 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
   689
  *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
   690
  return true;
193
171c404abf72 6629887: 64-bit windows should not restrict default heap size to 1400m
phh
parents: 1
diff changeset
   691
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   692
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   693
489c9b5090e2 Initial load
duke
parents:
diff changeset
   694
int os::active_processor_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   695
  DWORD_PTR lpProcessAffinityMask = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   696
  DWORD_PTR lpSystemAffinityMask = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   697
  int proc_count = processor_count();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   698
  if (proc_count <= sizeof(UINT_PTR) * BitsPerByte &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   699
      GetProcessAffinityMask(GetCurrentProcess(), &lpProcessAffinityMask, &lpSystemAffinityMask)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   700
    // Nof active processors is number of bits in process affinity mask
489c9b5090e2 Initial load
duke
parents:
diff changeset
   701
    int bitcount = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   702
    while (lpProcessAffinityMask != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   703
      lpProcessAffinityMask = lpProcessAffinityMask & (lpProcessAffinityMask-1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   704
      bitcount++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   705
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   706
    return bitcount;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   707
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   708
    return proc_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   709
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   710
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   711
10739
91935236600e 7098194: integrate macosx-port changes
dcubed
parents: 10536
diff changeset
   712
void os::set_native_thread_name(const char *name) {
27164
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   713
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   714
  // See: http://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   715
  //
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   716
  // Note that unfortunately this only works if the process
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   717
  // is already attached to a debugger; debugger must observe
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   718
  // the exception below to show the correct name.
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   719
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   720
  const DWORD MS_VC_EXCEPTION = 0x406D1388;
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   721
  struct {
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   722
    DWORD dwType;     // must be 0x1000
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   723
    LPCSTR szName;    // pointer to name (in user addr space)
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   724
    DWORD dwThreadID; // thread ID (-1=caller thread)
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   725
    DWORD dwFlags;    // reserved for future use, must be zero
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   726
  } info;
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   727
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   728
  info.dwType = 0x1000;
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   729
  info.szName = name;
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   730
  info.dwThreadID = -1;
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   731
  info.dwFlags = 0;
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   732
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   733
  __try {
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   734
    RaiseException (MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(DWORD), (const ULONG_PTR*)&info );
6523fa019ffa 7102541: RFE: os::set_native_thread_name() cleanups
sla
parents: 26685
diff changeset
   735
  } __except(EXCEPTION_CONTINUE_EXECUTION) {}
10739
91935236600e 7098194: integrate macosx-port changes
dcubed
parents: 10536
diff changeset
   736
}
91935236600e 7098194: integrate macosx-port changes
dcubed
parents: 10536
diff changeset
   737
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   738
bool os::distribute_processes(uint length, uint* distribution) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   739
  // Not yet implemented.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   740
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   741
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   742
489c9b5090e2 Initial load
duke
parents:
diff changeset
   743
bool os::bind_to_processor(uint processor_id) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   744
  // Not yet implemented.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   745
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   746
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   747
22891
1f5d1fff23fa 6546236: Thread interrupt() of Thread.sleep() can be lost on Solaris due to race with signal handler
fparain
parents: 22734
diff changeset
   748
void os::win32::initialize_performance_counter() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   749
  LARGE_INTEGER count;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   750
  QueryPerformanceFrequency(&count);
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   751
  performance_frequency = as_long(count);
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   752
  QueryPerformanceCounter(&count);
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   753
  initial_performance_count = as_long(count);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   754
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   755
489c9b5090e2 Initial load
duke
parents:
diff changeset
   756
489c9b5090e2 Initial load
duke
parents:
diff changeset
   757
double os::elapsedTime() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   758
  return (double) elapsed_counter() / (double) elapsed_frequency();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   759
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   760
489c9b5090e2 Initial load
duke
parents:
diff changeset
   761
489c9b5090e2 Initial load
duke
parents:
diff changeset
   762
// Windows format:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   763
//   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
   764
// Java format:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   765
//   Java standards require the number of milliseconds since 1/1/1970
489c9b5090e2 Initial load
duke
parents:
diff changeset
   766
489c9b5090e2 Initial load
duke
parents:
diff changeset
   767
// Constant offset - calculated using offset()
489c9b5090e2 Initial load
duke
parents:
diff changeset
   768
static jlong  _offset   = 116444736000000000;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   769
// Fake time counter for reproducible results when debugging
489c9b5090e2 Initial load
duke
parents:
diff changeset
   770
static jlong  fake_time = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   771
489c9b5090e2 Initial load
duke
parents:
diff changeset
   772
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   773
// Just to be safe, recalculate the offset in debug mode
489c9b5090e2 Initial load
duke
parents:
diff changeset
   774
static jlong _calculated_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   775
static int   _has_calculated_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   776
489c9b5090e2 Initial load
duke
parents:
diff changeset
   777
jlong offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   778
  if (_has_calculated_offset) return _calculated_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   779
  SYSTEMTIME java_origin;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   780
  java_origin.wYear          = 1970;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   781
  java_origin.wMonth         = 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   782
  java_origin.wDayOfWeek     = 0; // ignored
489c9b5090e2 Initial load
duke
parents:
diff changeset
   783
  java_origin.wDay           = 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   784
  java_origin.wHour          = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   785
  java_origin.wMinute        = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   786
  java_origin.wSecond        = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   787
  java_origin.wMilliseconds  = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   788
  FILETIME jot;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   789
  if (!SystemTimeToFileTime(&java_origin, &jot)) {
33105
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 32748
diff changeset
   790
    fatal("Error = %d\nWindows error", GetLastError());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   791
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   792
  _calculated_offset = jlong_from(jot.dwHighDateTime, jot.dwLowDateTime);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   793
  _has_calculated_offset = 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   794
  assert(_calculated_offset == _offset, "Calculated and constant time offsets must be equal");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   795
  return _calculated_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   796
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   797
#else
489c9b5090e2 Initial load
duke
parents:
diff changeset
   798
jlong offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   799
  return _offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   800
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   801
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   802
489c9b5090e2 Initial load
duke
parents:
diff changeset
   803
jlong windows_to_java_time(FILETIME wt) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   804
  jlong a = jlong_from(wt.dwHighDateTime, wt.dwLowDateTime);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   805
  return (a - offset()) / 10000;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   806
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   807
28737
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   808
// 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
   809
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
   810
  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
   811
  return (a - offset());
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   812
}
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   813
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   814
FILETIME java_to_windows_time(jlong l) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   815
  jlong a = (l * 10000) + offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   816
  FILETIME result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   817
  result.dwHighDateTime = high(a);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   818
  result.dwLowDateTime  = low(a);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   819
  return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   820
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   821
17854
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   822
bool os::supports_vtime() { return true; }
1374
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
   823
bool os::enable_vtime() { return false; }
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
   824
bool os::vtime_enabled() { return false; }
17854
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   825
1374
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
   826
double os::elapsedVTime() {
17854
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   827
  FILETIME created;
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   828
  FILETIME exited;
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   829
  FILETIME kernel;
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   830
  FILETIME user;
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   831
  if (GetThreadTimes(GetCurrentThread(), &created, &exited, &kernel, &user) != 0) {
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   832
    // 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
   833
    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
   834
  } else {
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   835
    return elapsedTime();
d65bc1546091 8013895: G1: G1SummarizeRSetStats output on Linux needs improvemen
tschatzl
parents: 17832
diff changeset
   836
  }
1374
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
   837
}
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
   838
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   839
jlong os::javaTimeMillis() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   840
  if (UseFakeTimers) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   841
    return fake_time++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   842
  } else {
234
4da9c1bbc810 6667833: Remove CacheTimeMillis
sbohne
parents: 1
diff changeset
   843
    FILETIME wt;
4da9c1bbc810 6667833: Remove CacheTimeMillis
sbohne
parents: 1
diff changeset
   844
    GetSystemTimeAsFileTime(&wt);
4da9c1bbc810 6667833: Remove CacheTimeMillis
sbohne
parents: 1
diff changeset
   845
    return windows_to_java_time(wt);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   846
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   847
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   848
28737
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   849
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
   850
  FILETIME wt;
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   851
  GetSystemTimeAsFileTime(&wt);
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   852
  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
   853
  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
   854
  seconds = secs;
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   855
  nanos = jlong(ticks - (secs*10000000)) * 100;
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   856
}
ca4b6a6e5cc8 8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents: 28735
diff changeset
   857
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   858
jlong os::javaTimeNanos() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   859
    LARGE_INTEGER current_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   860
    QueryPerformanceCounter(&current_count);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   861
    double current = as_long(current_count);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   862
    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
   863
    jlong time = (jlong)((current/freq) * NANOSECS_PER_SEC);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   864
    return time;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   865
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   866
489c9b5090e2 Initial load
duke
parents:
diff changeset
   867
void os::javaTimeNanos_info(jvmtiTimerInfo *info_ptr) {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   868
  jlong freq = performance_frequency;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   869
  if (freq < NANOSECS_PER_SEC) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   870
    // the performance counter is 64 bits and we will
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   871
    // be multiplying it -- so no wrap in 64 bits
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   872
    info_ptr->max_value = ALL_64_BITS;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   873
  } else if (freq > NANOSECS_PER_SEC) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   874
    // use the max value the counter can reach to
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   875
    // determine the max value which could be returned
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   876
    julong max_counter = (julong)ALL_64_BITS;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   877
    info_ptr->max_value = (jlong)(max_counter / (freq / NANOSECS_PER_SEC));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   878
  } else {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   879
    // the performance counter is 64 bits and we will
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   880
    // 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
   881
    info_ptr->max_value = ALL_64_BITS;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   882
  }
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   883
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   884
  // using a counter, so no skipping
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   885
  info_ptr->may_skip_backward = false;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   886
  info_ptr->may_skip_forward = false;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
   887
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   888
  info_ptr->kind = JVMTI_TIMER_ELAPSED;                // elapsed not CPU time
489c9b5090e2 Initial load
duke
parents:
diff changeset
   889
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   890
489c9b5090e2 Initial load
duke
parents:
diff changeset
   891
char* os::local_time_string(char *buf, size_t buflen) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   892
  SYSTEMTIME st;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   893
  GetLocalTime(&st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   894
  jio_snprintf(buf, buflen, "%d-%02d-%02d %02d:%02d:%02d",
489c9b5090e2 Initial load
duke
parents:
diff changeset
   895
               st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute, st.wSecond);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   896
  return buf;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   897
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   898
489c9b5090e2 Initial load
duke
parents:
diff changeset
   899
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
   900
                      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
   901
                      double* process_system_time) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   902
  HANDLE h_process = GetCurrentProcess();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   903
  FILETIME create_time, exit_time, kernel_time, user_time;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   904
  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
   905
                                &create_time,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   906
                                &exit_time,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   907
                                &kernel_time,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
   908
                                &user_time);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   909
  if (result != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   910
    FILETIME wt;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   911
    GetSystemTimeAsFileTime(&wt);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   912
    jlong rtc_millis = windows_to_java_time(wt);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   913
    jlong user_millis = windows_to_java_time(user_time);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   914
    jlong system_millis = windows_to_java_time(kernel_time);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   915
    *process_real_time = ((double) rtc_millis) / ((double) MILLIUNITS);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   916
    *process_user_time = ((double) user_millis) / ((double) MILLIUNITS);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   917
    *process_system_time = ((double) system_millis) / ((double) MILLIUNITS);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   918
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   919
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   920
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   921
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   922
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   923
489c9b5090e2 Initial load
duke
parents:
diff changeset
   924
void os::shutdown() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   925
  // allow PerfMemory to attempt cleanup of any persistent resources
489c9b5090e2 Initial load
duke
parents:
diff changeset
   926
  perfMemory_exit();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   927
489c9b5090e2 Initial load
duke
parents:
diff changeset
   928
  // flush buffered output, finish log files
489c9b5090e2 Initial load
duke
parents:
diff changeset
   929
  ostream_abort();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   930
489c9b5090e2 Initial load
duke
parents:
diff changeset
   931
  // Check for abort hook
489c9b5090e2 Initial load
duke
parents:
diff changeset
   932
  abort_hook_t abort_hook = Arguments::abort_hook();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   933
  if (abort_hook != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   934
    abort_hook();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   935
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   936
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   937
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
   938
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   939
static BOOL (WINAPI *_MiniDumpWriteDump)(HANDLE, DWORD, HANDLE, MINIDUMP_TYPE,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   940
                                         PMINIDUMP_EXCEPTION_INFORMATION,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   941
                                         PMINIDUMP_USER_STREAM_INFORMATION,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
   942
                                         PMINIDUMP_CALLBACK_INFORMATION);
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
   943
30240
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   944
static HANDLE dumpFile = NULL;
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   945
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   946
// Check if dump file can be created.
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   947
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
   948
  bool status = true;
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   949
  if (!FLAG_IS_DEFAULT(CreateCoredumpOnCrash) && !CreateCoredumpOnCrash) {
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   950
    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
   951
    status = false;
31025
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   952
  }
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   953
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   954
#ifndef ASSERT
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   955
  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
   956
    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
   957
    status = false;
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   958
  }
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   959
#endif
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   960
5cc170f4923d 8080446: The change for 8074354 removed the server check when creating minidumps on Windows
ctornqvi
parents: 30863
diff changeset
   961
  if (status) {
30240
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   962
    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
   963
    int pid = current_process_id();
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   964
    if (cwd != NULL) {
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   965
      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
   966
    } else {
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   967
      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
   968
    }
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   969
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   970
    if (dumpFile == NULL &&
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   971
       (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
   972
                 == INVALID_HANDLE_VALUE) {
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   973
      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
   974
      status = false;
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   975
    }
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   976
  }
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   977
  VMError::record_coredump_status(buffer, status);
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   978
}
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   979
35077
8b86440d3bf1 8145114: const-correctness for ucontext_t* reading functions
stuefe
parents: 35071
diff changeset
   980
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
   981
  HINSTANCE dbghelp;
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
   982
  EXCEPTION_POINTERS ep;
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
   983
  MINIDUMP_EXCEPTION_INFORMATION mei;
9167
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
   984
  MINIDUMP_EXCEPTION_INFORMATION* pmei;
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
   985
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
   986
  HANDLE hProcess = GetCurrentProcess();
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
   987
  DWORD processId = GetCurrentProcessId();
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
   988
  MINIDUMP_TYPE dumpType;
30240
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   989
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   990
  shutdown();
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   991
  if (!dump_core || dumpFile == NULL) {
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   992
    if (dumpFile != NULL) {
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   993
      CloseHandle(dumpFile);
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   994
    }
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
   995
    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
   996
  }
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
   997
10246
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
   998
  dbghelp = os::win32::load_Windows_dll("DBGHELP.DLL", NULL, 0);
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
   999
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1000
  if (dbghelp == NULL) {
30240
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1001
    jio_fprintf(stderr, "Failed to load dbghelp.dll\n");
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1002
    CloseHandle(dumpFile);
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1003
    win32::exit_process_or_thread(win32::EPT_PROCESS, 1);
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1004
  }
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1005
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1006
  _MiniDumpWriteDump =
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1007
      CAST_TO_FN_PTR(BOOL(WINAPI *)(HANDLE, DWORD, HANDLE, MINIDUMP_TYPE,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1008
                                    PMINIDUMP_EXCEPTION_INFORMATION,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1009
                                    PMINIDUMP_USER_STREAM_INFORMATION,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1010
                                    PMINIDUMP_CALLBACK_INFORMATION),
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1011
                                    GetProcAddress(dbghelp,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1012
                                    "MiniDumpWriteDump"));
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1013
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1014
  if (_MiniDumpWriteDump == NULL) {
30240
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1015
    jio_fprintf(stderr, "Failed to find MiniDumpWriteDump() in module dbghelp.dll.\n");
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1016
    CloseHandle(dumpFile);
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1017
    win32::exit_process_or_thread(win32::EPT_PROCESS, 1);
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1018
  }
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1019
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  1020
  dumpType = (MINIDUMP_TYPE)(MiniDumpWithFullMemory | MiniDumpWithHandleData |
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  1021
    MiniDumpWithFullMemoryInfo | MiniDumpWithThreadInfo | MiniDumpWithUnloadedModules);
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1022
30240
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1023
  if (siginfo != NULL && context != NULL) {
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1024
    ep.ContextRecord = (PCONTEXT) context;
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1025
    ep.ExceptionRecord = (PEXCEPTION_RECORD) siginfo;
9167
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1026
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1027
    mei.ThreadId = GetCurrentThreadId();
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1028
    mei.ExceptionPointers = &ep;
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1029
    pmei = &mei;
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1030
  } else {
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1031
    pmei = NULL;
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1032
  }
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1033
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1034
  // 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
  1035
  // the dump types we really want. If first call fails, lets fall back to just use MiniDumpWithFullMemory then.
9167
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1036
  if (_MiniDumpWriteDump(hProcess, processId, dumpFile, dumpType, pmei, NULL, NULL) == false &&
dd207ff6893b 7033100: CreateMinidumpOnCrash does not work for failed asserts
zgu
parents: 8735
diff changeset
  1037
      _MiniDumpWriteDump(hProcess, processId, dumpFile, (MINIDUMP_TYPE)MiniDumpWithFullMemory, pmei, NULL, NULL) == false) {
30240
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1038
    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
  1039
  }
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1040
  CloseHandle(dumpFile);
30240
a7ba42fa1df6 8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
minqi
parents: 30143
diff changeset
  1041
  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
  1042
}
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  1043
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1044
// Die immediately, no exit hook, no abort hook, no cleanup.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1045
void os::die() {
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  1046
  win32::exit_process_or_thread(win32::EPT_PROCESS_DIE, -1);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1047
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1048
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1049
// Directory routines copied from src/win32/native/java/io/dirent_md.c
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1050
//  * dirent_md.c       1.15 00/02/02
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1051
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1052
// The declarations for DIR and struct dirent are in jvm_win32.h.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1053
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1054
// 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
  1055
// 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
  1056
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1057
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
  1058
  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
  1059
  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
  1060
  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
  1061
  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
  1062
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1063
  if (dirp == 0) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1064
    errno = ENOMEM;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1065
    return 0;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1066
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1067
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1068
  // 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
  1069
  // 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
  1070
  // 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
  1071
  //
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1072
  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
  1073
    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
  1074
    alt_dirname[1] = ':';
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1075
    alt_dirname[2] = '\\';
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1076
    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
  1077
    dirname = alt_dirname;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1078
  }
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
  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
  1081
  if (dirp->path == 0) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1082
    free(dirp);
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1083
    errno = ENOMEM;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1084
    return 0;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1085
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1086
  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
  1087
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1088
  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
  1089
  if (fattr == 0xffffffff) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1090
    free(dirp->path);
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1091
    free(dirp);
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1092
    errno = ENOENT;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1093
    return 0;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1094
  } else if ((fattr & FILE_ATTRIBUTE_DIRECTORY) == 0) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1095
    free(dirp->path);
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1096
    free(dirp);
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1097
    errno = ENOTDIR;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1098
    return 0;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1099
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1100
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1101
  // 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
  1102
  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
  1103
      (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
  1104
      (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
  1105
    // 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
  1106
    strcat(dirp->path, "*.*");
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1107
  } else {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1108
    strcat(dirp->path, "\\*.*");
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1109
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1110
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1111
  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
  1112
  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
  1113
    if (GetLastError() != ERROR_FILE_NOT_FOUND) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1114
      free(dirp->path);
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1115
      free(dirp);
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1116
      errno = EACCES;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1117
      return 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1118
    }
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1119
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1120
  return dirp;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1121
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1122
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1123
// 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
  1124
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
  1125
  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
  1126
  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
  1127
    return 0;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1128
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1129
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1130
  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
  1131
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1132
  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
  1133
    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
  1134
      errno = EBADF;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1135
      return 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1136
    }
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1137
    FindClose(dirp->handle);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1138
    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
  1139
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1140
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1141
  return &dirp->dirent;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1142
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1143
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1144
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
  1145
  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
  1146
  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
  1147
    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
  1148
      errno = EBADF;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1149
      return -1;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1150
    }
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1151
    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
  1152
  }
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1153
  free(dirp->path);
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1154
  free(dirp);
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1155
  return 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1156
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1157
7901
ea3d83447861 7009828: Fix for 6938627 breaks visualvm monitoring when -Djava.io.tmpdir is defined
coleenp
parents: 7693
diff changeset
  1158
// 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
  1159
// 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
  1160
const char* os::get_temp_directory() {
aab592fd4f44 6938627: Make temporary directory use property java.io.tmpdir when specified
coleenp
parents: 5085
diff changeset
  1161
  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
  1162
  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
  1163
    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
  1164
  } else {
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1165
    path_buf[0] = '\0';
5237
aab592fd4f44 6938627: Make temporary directory use property java.io.tmpdir when specified
coleenp
parents: 5085
diff changeset
  1166
    return path_buf;
aab592fd4f44 6938627: Make temporary directory use property java.io.tmpdir when specified
coleenp
parents: 5085
diff changeset
  1167
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1168
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1169
2358
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1170
static bool file_exists(const char* filename) {
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1171
  if (filename == NULL || strlen(filename) == 0) {
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1172
    return false;
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1173
  }
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1174
  return GetFileAttributes(filename) != INVALID_FILE_ATTRIBUTES;
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1175
}
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1176
14471
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 14284
diff changeset
  1177
bool os::dll_build_name(char *buffer, size_t buflen,
2358
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1178
                        const char* pname, const char* fname) {
14471
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 14284
diff changeset
  1179
  bool retval = false;
2358
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1180
  const size_t pnamelen = pname ? strlen(pname) : 0;
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1181
  const char c = (pnamelen > 0) ? pname[pnamelen-1] : 0;
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1182
14471
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 14284
diff changeset
  1183
  // Return error on buffer overflow.
2358
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1184
  if (pnamelen + strlen(fname) + 10 > buflen) {
14471
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 14284
diff changeset
  1185
    return retval;
2358
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1186
  }
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1187
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1188
  if (pnamelen == 0) {
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1189
    jio_snprintf(buffer, buflen, "%s.dll", fname);
14471
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 14284
diff changeset
  1190
    retval = true;
2358
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1191
  } else if (c == ':' || c == '\\') {
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1192
    jio_snprintf(buffer, buflen, "%s%s.dll", pname, fname);
14471
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 14284
diff changeset
  1193
    retval = true;
2358
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1194
  } else if (strchr(pname, *os::path_separator()) != NULL) {
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1195
    int n;
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1196
    char** pelements = split_path(pname, &n);
16669
fb3397cee116 8006103: [parfait] Possible null pointer dereference at hotspot/src/os/linux/vm/os_linux.cpp; os_windows.cpp; os_solaris.cpp; os_bsd.cpp
ccheung
parents: 15927
diff changeset
  1197
    if (pelements == NULL) {
16672
dcubed
parents: 16631 16669
diff changeset
  1198
      return false;
16669
fb3397cee116 8006103: [parfait] Possible null pointer dereference at hotspot/src/os/linux/vm/os_linux.cpp; os_windows.cpp; os_solaris.cpp; os_bsd.cpp
ccheung
parents: 15927
diff changeset
  1199
    }
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  1200
    for (int i = 0; i < n; i++) {
2358
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1201
      char* path = pelements[i];
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1202
      // Really shouldn't be NULL, but check can't hurt
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1203
      size_t plen = (path == NULL) ? 0 : strlen(path);
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1204
      if (plen == 0) {
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1205
        continue; // skip the empty path values
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1206
      }
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1207
      const char lastchar = path[plen - 1];
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1208
      if (lastchar == ':' || lastchar == '\\') {
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1209
        jio_snprintf(buffer, buflen, "%s%s.dll", path, fname);
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1210
      } else {
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1211
        jio_snprintf(buffer, buflen, "%s\\%s.dll", path, fname);
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1212
      }
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1213
      if (file_exists(buffer)) {
14471
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 14284
diff changeset
  1214
        retval = true;
2358
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1215
        break;
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1216
      }
950
6112b627bb36 6721093: -XX:AppendRatio=N not supported
kamg
parents: 823
diff changeset
  1217
    }
2358
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1218
    // release the storage
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  1219
    for (int i = 0; i < n; i++) {
2358
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1220
      if (pelements[i] != NULL) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1221
        FREE_C_HEAP_ARRAY(char, pelements[i]);
2358
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1222
      }
950
6112b627bb36 6721093: -XX:AppendRatio=N not supported
kamg
parents: 823
diff changeset
  1223
    }
2358
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1224
    if (pelements != NULL) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  1225
      FREE_C_HEAP_ARRAY(char*, pelements);
2358
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1226
    }
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1227
  } else {
7c8346929fc6 6819213: revive sun.boot.library.path
phh
parents: 2268
diff changeset
  1228
    jio_snprintf(buffer, buflen, "%s\\%s.dll", pname, fname);
14471
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 14284
diff changeset
  1229
    retval = true;
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 14284
diff changeset
  1230
  }
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 14284
diff changeset
  1231
  return retval;
950
6112b627bb36 6721093: -XX:AppendRatio=N not supported
kamg
parents: 823
diff changeset
  1232
}
6112b627bb36 6721093: -XX:AppendRatio=N not supported
kamg
parents: 823
diff changeset
  1233
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1234
// Needs to be in os specific directory because windows requires another
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1235
// header file <direct.h>
17121
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 17006
diff changeset
  1236
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
  1237
  int n = static_cast<int>(buflen);
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 17006
diff changeset
  1238
  if (buflen > INT_MAX)  n = INT_MAX;
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 17006
diff changeset
  1239
  return _getcwd(buf, n);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1240
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1241
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1242
//-----------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1243
// Helper functions for fatal error handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1244
#ifdef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1245
// Helper routine which returns true if address in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1246
// within the NTDLL address space.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1247
//
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1248
static bool _addr_in_ntdll(address addr) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1249
  HMODULE hmod;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1250
  MODULEINFO minfo;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1251
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1252
  hmod = GetModuleHandle("NTDLL.DLL");
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  1253
  if (hmod == NULL) return false;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  1254
  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
  1255
                                          &minfo, sizeof(MODULEINFO))) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1256
    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
  1257
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1258
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  1259
  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
  1260
      (addr < (address)((uintptr_t)minfo.lpBaseOfDll + (uintptr_t)minfo.SizeOfImage))) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1261
    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
  1262
  } else {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1263
    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
  1264
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1265
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1266
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1267
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1268
struct _modinfo {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1269
  address addr;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1270
  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
  1271
  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
  1272
  address base_addr;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1273
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1274
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1275
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
  1276
                                  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
  1277
  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
  1278
  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
  1279
26685
dcubed
parents: 26682 26684
diff changeset
  1280
  if (base_addr   <= pmod->addr &&
dcubed
parents: 26682 26684
diff changeset
  1281
      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
  1282
    // 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
  1283
    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
  1284
      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
  1285
    }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1286
    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
  1287
    return 1;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1288
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1289
  return 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1290
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1291
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1292
bool os::dll_address_to_library_name(address addr, char* buf,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1293
                                     int buflen, int* offset) {
18683
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1294
  // 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
  1295
  assert(buf != NULL, "sanity check");
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1296
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1297
// NOTE: the reason we don't use SymGetModuleInfo() is it doesn't always
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1298
//       return the full path to the DLL file, sometimes it returns path
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1299
//       to the corresponding PDB file (debug info); sometimes it only
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1300
//       returns partial path, which makes life painful.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1301
18683
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1302
  struct _modinfo mi;
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1303
  mi.addr      = addr;
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1304
  mi.full_path = buf;
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1305
  mi.buflen    = buflen;
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1306
  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
  1307
    // buf already contains path name
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1308
    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
  1309
    return true;
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1310
  }
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1311
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1312
  buf[0] = '\0';
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1313
  if (offset) *offset = -1;
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1314
  return false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1315
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1316
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1317
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
  1318
                                      int buflen, int *offset,
a6ab7217b5cc 8079473: allow demangling to be optional in dll_address_to_function_name
bdelsart
parents: 31026
diff changeset
  1319
                                      bool demangle) {
18683
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1320
  // 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
  1321
  assert(buf != NULL, "sanity check");
a6418e038255 8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents: 18086
diff changeset
  1322
31352
a6ab7217b5cc 8079473: allow demangling to be optional in dll_address_to_function_name
bdelsart
parents: 31026
diff changeset
  1323
  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
  1324
    return true;
32c42d627f41 7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents: 7397
diff changeset
  1325
  }
32c42d627f41 7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents: 7397
diff changeset
  1326
  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
  1327
  buf[0] = '\0';
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1328
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1329
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1330
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1331
// 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
  1332
static int _locate_jvm_dll(const char* mod_fname, address base_addr,
26685
dcubed
parents: 26682 26684
diff changeset
  1333
                           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
  1334
  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
  1335
26685
dcubed
parents: 26682 26684
diff changeset
  1336
  if (base_addr   <= (address)_locate_jvm_dll &&
dcubed
parents: 26682 26684
diff changeset
  1337
      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
  1338
    ((address*)param)[0] = base_addr;
26685
dcubed
parents: 26682 26684
diff changeset
  1339
    ((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
  1340
    return 1;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1341
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1342
  return 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1343
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1344
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1345
address vm_lib_location[2];    // start and end address of jvm.dll
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1346
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1347
// check if addr is inside jvm.dll
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1348
bool os::address_is_in_vm(address addr) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1349
  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
  1350
    if (!get_loaded_modules_info(_locate_jvm_dll, (void *)vm_lib_location)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1351
      assert(false, "Can't find jvm module.");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1352
      return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1353
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1354
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1355
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1356
  return (vm_lib_location[0] <= addr) && (addr < vm_lib_location[1]);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1357
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1358
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1359
// print module info; param is outputStream*
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1360
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
  1361
                         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
  1362
  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
  1363
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1364
  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
  1365
26685
dcubed
parents: 26682 26684
diff changeset
  1366
  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
  1367
  return 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1368
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1369
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1370
// Loads .dll/.so and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1371
// in case of error it checks if .dll/.so was built for the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1372
// 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
  1373
void * os::dll_load(const char *name, char *ebuf, int ebuflen) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1374
  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
  1375
  if (result != NULL) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1376
    return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1377
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1378
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1379
  DWORD errcode = GetLastError();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1380
  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
  1381
    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
  1382
    ebuf[ebuflen - 1] = '\0';
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1383
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1384
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1385
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1386
  // Parsing dll below
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1387
  // If we can read dll-info and find that dll was built
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1388
  // for an architecture other than Hotspot is running in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1389
  // - 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
  1390
  // else call os::lasterror to obtain system error message
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1391
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1392
  // Read system error message into ebuf
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1393
  // 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
  1394
  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
  1395
  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
  1396
  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
  1397
  if (fd < 0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1398
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1399
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1400
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1401
  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
  1402
  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
  1403
  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
  1404
    ( // 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
  1405
     (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
  1406
     ||
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1407
     // 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
  1408
     (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
  1409
     (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
  1410
     ||
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1411
     // 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
  1412
     // 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
  1413
     (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
  1414
     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
  1415
     ||
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1416
     // 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
  1417
     // 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
  1418
     (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
  1419
    );
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1420
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1421
  ::close(fd);
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1422
  if (failed_to_get_lib_arch) {
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1423
    // file i/o error - report os::lasterror(...) msg
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1424
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1425
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1426
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1427
  typedef struct {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1428
    uint16_t arch_code;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1429
    char* arch_name;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1430
  } arch_t;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1431
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1432
  static const arch_t arch_array[] = {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1433
    {IMAGE_FILE_MACHINE_I386,      (char*)"IA 32"},
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1434
    {IMAGE_FILE_MACHINE_AMD64,     (char*)"AMD 64"},
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1435
    {IMAGE_FILE_MACHINE_IA64,      (char*)"IA 64"}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1436
  };
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1437
#if   (defined _M_IA64)
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1438
  static const uint16_t running_arch = IMAGE_FILE_MACHINE_IA64;
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1439
#elif (defined _M_AMD64)
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1440
  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
  1441
#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
  1442
  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
  1443
#else
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1444
  #error Method os::dll_load requires that one of following \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1445
         is defined :_M_IA64,_M_AMD64 or _M_IX86
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1446
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1447
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1448
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1449
  // Obtain a string for printf operation
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1450
  // lib_arch_str shall contain string what platform this .dll was built for
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1451
  // 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
  1452
  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
  1453
  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
  1454
    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
  1455
      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
  1456
    }
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1457
    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
  1458
      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
  1459
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1460
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1461
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1462
  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
  1463
         "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
  1464
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1465
  // If the architecture is right
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1466
  // 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
  1467
  if (lib_arch == running_arch) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1468
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1469
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1470
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1471
  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
  1472
    ::_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
  1473
                "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
  1474
                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
  1475
  } else {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1476
    // 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
  1477
    ::_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
  1478
                "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
  1479
                lib_arch, running_arch_str);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1480
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1481
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1482
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1483
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1484
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1485
void os::print_dll_info(outputStream *st) {
26685
dcubed
parents: 26682 26684
diff changeset
  1486
  st->print_cr("Dynamic libraries:");
dcubed
parents: 26682 26684
diff changeset
  1487
  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
  1488
}
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1489
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1490
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
  1491
  HANDLE   hProcess;
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1492
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1493
# define MAX_NUM_MODULES 128
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1494
  HMODULE     modules[MAX_NUM_MODULES];
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1495
  static char filename[MAX_PATH];
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1496
  int         result = 0;
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1497
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1498
  int pid = os::current_process_id();
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1499
  hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1500
                         FALSE, pid);
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1501
  if (hProcess == NULL) return 0;
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1502
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1503
  DWORD size_needed;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  1504
  if (!EnumProcessModules(hProcess, modules, sizeof(modules), &size_needed)) {
26685
dcubed
parents: 26682 26684
diff changeset
  1505
    CloseHandle(hProcess);
dcubed
parents: 26682 26684
diff changeset
  1506
    return 0;
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1507
  }
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1508
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1509
  // number of modules that are currently loaded
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1510
  int num_modules = size_needed / sizeof(HMODULE);
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1511
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1512
  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
  1513
    // Get Full pathname:
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  1514
    if (!GetModuleFileNameEx(hProcess, modules[i], filename, sizeof(filename))) {
26685
dcubed
parents: 26682 26684
diff changeset
  1515
      filename[0] = '\0';
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1516
    }
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1517
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1518
    MODULEINFO modinfo;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  1519
    if (!GetModuleInformation(hProcess, modules[i], &modinfo, sizeof(modinfo))) {
26685
dcubed
parents: 26682 26684
diff changeset
  1520
      modinfo.lpBaseOfDll = NULL;
dcubed
parents: 26682 26684
diff changeset
  1521
      modinfo.SizeOfImage = 0;
26557
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1522
    }
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1523
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1524
    // Invoke callback function
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1525
    result = callback(filename, (address)modinfo.lpBaseOfDll,
26685
dcubed
parents: 26682 26684
diff changeset
  1526
                      (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
  1527
    if (result) break;
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1528
  }
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1529
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1530
  CloseHandle(hProcess);
e399effe36f9 8056242: Add function to return structured information about loaded libraries.
sla
parents: 26295
diff changeset
  1531
  return result;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1532
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1533
31963
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1534
#ifndef PRODUCT
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1535
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
  1536
  DWORD size = (DWORD)buflen;
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1537
  return (GetComputerNameEx(ComputerNameDnsHostname, buf, &size) == TRUE);
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1538
}
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1539
#endif // PRODUCT
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1540
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1541
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
  1542
  stringStream sst(buf, buflen);
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1543
  os::win32::print_windows_version(&sst);
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1544
  // chop off newline character
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1545
  char* nl = strchr(buf, '\n');
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1546
  if (nl != NULL) *nl = '\0';
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1547
}
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1548
33766
3290cae587f9 8138916: Logging write function does not allow for long enough messages
rprotacio
parents: 33198
diff changeset
  1549
int os::log_vsnprintf(char* buf, size_t len, const char* fmt, va_list args) {
3290cae587f9 8138916: Logging write function does not allow for long enough messages
rprotacio
parents: 33198
diff changeset
  1550
  int ret = vsnprintf(buf, len, fmt, args);
3290cae587f9 8138916: Logging write function does not allow for long enough messages
rprotacio
parents: 33198
diff changeset
  1551
  // Get the correct buffer size if buf is too small
3290cae587f9 8138916: Logging write function does not allow for long enough messages
rprotacio
parents: 33198
diff changeset
  1552
  if (ret < 0) {
3290cae587f9 8138916: Logging write function does not allow for long enough messages
rprotacio
parents: 33198
diff changeset
  1553
    return _vscprintf(fmt, args);
3290cae587f9 8138916: Logging write function does not allow for long enough messages
rprotacio
parents: 33198
diff changeset
  1554
  }
3290cae587f9 8138916: Logging write function does not allow for long enough messages
rprotacio
parents: 33198
diff changeset
  1555
  return ret;
3290cae587f9 8138916: Logging write function does not allow for long enough messages
rprotacio
parents: 33198
diff changeset
  1556
}
3290cae587f9 8138916: Logging write function does not allow for long enough messages
rprotacio
parents: 33198
diff changeset
  1557
12735
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1558
void os::print_os_info_brief(outputStream* st) {
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1559
  os::print_os_info(st);
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1560
}
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1561
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1562
void os::print_os_info(outputStream* st) {
26569
5fcbc13c071c 8056930: Output host info under some condition for core dump
minqi
parents: 26557
diff changeset
  1563
#ifdef ASSERT
5fcbc13c071c 8056930: Output host info under some condition for core dump
minqi
parents: 26557
diff changeset
  1564
  char buffer[1024];
31963
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1565
  st->print("HostName: ");
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1566
  if (get_host_name(buffer, sizeof(buffer))) {
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1567
    st->print("%s ", buffer);
26569
5fcbc13c071c 8056930: Output host info under some condition for core dump
minqi
parents: 26557
diff changeset
  1568
  } else {
31963
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1569
    st->print("N/A ");
26569
5fcbc13c071c 8056930: Output host info under some condition for core dump
minqi
parents: 26557
diff changeset
  1570
  }
5fcbc13c071c 8056930: Output host info under some condition for core dump
minqi
parents: 26557
diff changeset
  1571
#endif
31963
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1572
  st->print("OS:");
12735
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1573
  os::win32::print_windows_version(st);
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1574
}
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1575
3e2e491f4f69 7165755: OS Information much longer on linux than other platforms
nloodin
parents: 12593
diff changeset
  1576
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
  1577
  OSVERSIONINFOEX osvi;
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1578
  VS_FIXEDFILEINFO *file_info;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1579
  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
  1580
  UINT len, ret;
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
  // 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
  1583
  // 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
  1584
  // 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
  1585
  ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
29e21b1b7602 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008
xlu
parents: 950
diff changeset
  1586
  osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
29e21b1b7602 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008
xlu
parents: 950
diff changeset
  1587
  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
  1588
    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
  1589
    return;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1590
  }
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1591
  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
  1592
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1593
  // 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
  1594
  // 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
  1595
  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
  1596
  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
  1597
  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
  1598
    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
  1599
    return;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1600
  }
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1601
  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
  1602
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1603
  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
  1604
  if (version_size == 0) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1605
    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
  1606
    return;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1607
  }
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
  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
  1610
  if (version_info == NULL) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1611
    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
  1612
    return;
29e21b1b7602 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008
xlu
parents: 950
diff changeset
  1613
  }
29e21b1b7602 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008
xlu
parents: 950
diff changeset
  1614
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1615
  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
  1616
    os::free(version_info);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1617
    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
  1618
    return;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1619
  }
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1620
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1621
  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
  1622
    os::free(version_info);
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1623
    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
  1624
    return;
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
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1627
  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
  1628
  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
  1629
  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
  1630
  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
  1631
  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
  1632
  os::free(version_info);
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
  st->print(" Windows ");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1635
  switch (os_vers) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1636
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1637
  case 6000:
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1638
    if (is_workstation) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1639
      st->print("Vista");
19274
a09ed3dff789 8022452: Hotspot needs to know about Windows 8.1 and Windows Server 2012 R2
mikael
parents: 18945
diff changeset
  1640
    } else {
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1641
      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
  1642
    }
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1643
    break;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1644
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1645
  case 6001:
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1646
    if (is_workstation) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1647
      st->print("7");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1648
    } else {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1649
      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
  1650
    }
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1651
    break;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1652
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1653
  case 6002:
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1654
    if (is_workstation) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1655
      st->print("8");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1656
    } else {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1657
      st->print("Server 2012");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1658
    }
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1659
    break;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1660
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1661
  case 6003:
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1662
    if (is_workstation) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1663
      st->print("8.1");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1664
    } else {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1665
      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
  1666
    }
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1667
    break;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1668
28735
c0fd1a0a907d 8071530: Update OS detection code to reflect Windows 10 version change
ctornqvi
parents: 28627
diff changeset
  1669
  case 10000:
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1670
    if (is_workstation) {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1671
      st->print("10");
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1672
    } else {
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1673
      // The server version name of Windows 10 is not known at this time
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1674
      st->print("%d.%d", major_version, minor_version);
981
29e21b1b7602 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008
xlu
parents: 950
diff changeset
  1675
    }
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1676
    break;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1677
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1678
  default:
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1679
    // 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
  1680
    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
  1681
    break;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1682
  }
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1683
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1684
  // 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
  1685
  // 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
  1686
  SYSTEM_INFO si;
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1687
  ZeroMemory(&si, sizeof(SYSTEM_INFO));
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  1688
  GetNativeSystemInfo(&si);
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1689
  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
  1690
    st->print(" , 64 bit");
a09ed3dff789 8022452: Hotspot needs to know about Windows 8.1 and Windows Server 2012 R2
mikael
parents: 18945
diff changeset
  1691
  }
a09ed3dff789 8022452: Hotspot needs to know about Windows 8.1 and Windows Server 2012 R2
mikael
parents: 18945
diff changeset
  1692
27467
cdc1d5bc86cf 8059803: Update use of GetVersionEx to get correct Windows version in hs_err files
ctornqvi
parents: 27459
diff changeset
  1693
  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
  1694
  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
  1695
  st->cr();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1696
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1697
31356
55ee785c49c5 8085865: hs_err improvement: Printing /proc/cpuinfo makes too long hs_err files
coleenp
parents: 31026
diff changeset
  1698
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
  1699
  // Nothing to do for now.
e99d9a03c0f5 7061225: os::print_cpu_info() should support os-specific data
jcoomes
parents: 9419
diff changeset
  1700
}
e99d9a03c0f5 7061225: os::print_cpu_info() should support os-specific data
jcoomes
parents: 9419
diff changeset
  1701
31963
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1702
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
  1703
  HKEY key;
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1704
  DWORD status = RegOpenKey(HKEY_LOCAL_MACHINE,
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1705
               "HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0", &key);
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1706
  if (status == ERROR_SUCCESS) {
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1707
    DWORD size = (DWORD)buflen;
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1708
    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
  1709
    if (status != ERROR_SUCCESS) {
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1710
        strncpy(buf, "## __CPU__", buflen);
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1711
    }
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1712
    RegCloseKey(key);
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1713
  } else {
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1714
    // Put generic cpu info to return
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1715
    strncpy(buf, "## __CPU__", buflen);
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1716
  }
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1717
}
641ed52732ec 8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents: 31783
diff changeset
  1718
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1719
void os::print_memory_info(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1720
  st->print("Memory:");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1721
  st->print(" %dk page", os::vm_page_size()>>10);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1722
3577
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  1723
  // 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
  1724
  // 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
  1725
  MEMORYSTATUSEX ms;
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  1726
  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
  1727
  GlobalMemoryStatusEx(&ms);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1728
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1729
  st->print(", physical %uk", os::physical_memory() >> 10);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1730
  st->print("(%uk free)", os::available_memory() >> 10);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1731
3577
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  1732
  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
  1733
  st->print("(%uk free)", ms.ullAvailPageFile >> 10);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1734
  st->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1735
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1736
35176
11a9d4022d9e 8144219: [posix] Remove redundant code around os::print_siginfo()
stuefe
parents: 35077
diff changeset
  1737
void os::print_siginfo(outputStream *st, const void* siginfo) {
11a9d4022d9e 8144219: [posix] Remove redundant code around os::print_siginfo()
stuefe
parents: 35077
diff changeset
  1738
  const EXCEPTION_RECORD* const er = (EXCEPTION_RECORD*)siginfo;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1739
  st->print("siginfo:");
34648
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1740
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1741
  char tmp[64];
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1742
  if (os::exception_name(er->ExceptionCode, tmp, sizeof(tmp)) == NULL) {
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1743
    strcpy(tmp, "EXCEPTION_??");
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1744
  }
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1745
  st->print(" %s (0x%x)", tmp, er->ExceptionCode);
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1746
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1747
  if ((er->ExceptionCode == EXCEPTION_ACCESS_VIOLATION ||
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1748
       er->ExceptionCode == EXCEPTION_IN_PAGE_ERROR) &&
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1749
       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
  1750
    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
  1751
    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
  1752
    case 1: st->print(", writing address"); break;
34648
b7ea5d095ef5 8144192: Enhancements-to-print_siginfo-windows
stuefe
parents: 34633
diff changeset
  1753
    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
  1754
    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
  1755
                       er->ExceptionInformation[0]);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1756
    }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1757
    st->print(" " INTPTR_FORMAT, er->ExceptionInformation[1]);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1758
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1759
    int num = er->NumberParameters;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1760
    if (num > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1761
      st->print(", ExceptionInformation=");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1762
      for (int i = 0; i < num; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1763
        st->print(INTPTR_FORMAT " ", er->ExceptionInformation[i]);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1764
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1765
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1766
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1767
  st->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1768
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1769
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1770
void os::print_signal_handlers(outputStream* st, char* buf, size_t buflen) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1771
  // do nothing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1772
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1773
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1774
static char saved_jvm_path[MAX_PATH] = {0};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1775
15096
3db45569f8c0 8005044: remove crufty '_g' support from HS runtime code
dcubed
parents: 14633
diff changeset
  1776
// Find the full path to the current module, jvm.dll
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1777
void os::jvm_path(char *buf, jint buflen) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1778
  // Error checking.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1779
  if (buflen < MAX_PATH) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1780
    assert(false, "must use a large-enough buffer");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1781
    buf[0] = '\0';
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1782
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1783
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1784
  // Lazy resolve the path to current module.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1785
  if (saved_jvm_path[0] != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1786
    strcpy(buf, saved_jvm_path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1787
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1788
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1789
7410
f5b282e7a7a6 6981484: Update development launcher
sla
parents: 7405
diff changeset
  1790
  buf[0] = '\0';
22734
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1791
  if (Arguments::sun_java_launcher_is_altjvm()) {
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1792
    // 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
  1793
    // 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
  1794
    // 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
  1795
    // hotspot/jvm.dll).
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1796
    char* java_home_var = ::getenv("JAVA_HOME");
25503
9f471b837330 8030763: Validate global memory allocation
hseigel
parents: 25477
diff changeset
  1797
    if (java_home_var != NULL && java_home_var[0] != 0 &&
9f471b837330 8030763: Validate global memory allocation
hseigel
parents: 25477
diff changeset
  1798
        strlen(java_home_var) < (size_t)buflen) {
22734
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1799
      strncpy(buf, java_home_var, buflen);
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
      // 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
  1802
      // modules image doesn't have "jre" subdirectory
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1803
      size_t len = strlen(buf);
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1804
      char* jrebin_p = buf + len;
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1805
      jio_snprintf(jrebin_p, buflen-len, "\\jre\\bin\\");
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1806
      if (0 != _access(buf, 0)) {
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1807
        jio_snprintf(jrebin_p, buflen-len, "\\bin\\");
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1808
      }
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1809
      len = strlen(buf);
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1810
      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
  1811
    }
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1812
  }
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1813
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1814
  if (buf[0] == '\0') {
41757c1f3946 8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents: 22533
diff changeset
  1815
    GetModuleFileName(vm_lib_handle, buf, buflen);
7410
f5b282e7a7a6 6981484: Update development launcher
sla
parents: 7405
diff changeset
  1816
  }
25503
9f471b837330 8030763: Validate global memory allocation
hseigel
parents: 25477
diff changeset
  1817
  strncpy(saved_jvm_path, buf, MAX_PATH);
27471
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  1818
  saved_jvm_path[MAX_PATH - 1] = '\0';
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1819
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1820
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1821
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1822
void os::print_jni_name_prefix_on(outputStream* st, int args_size) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1823
#ifndef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1824
  st->print("_");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1825
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1826
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1827
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1828
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1829
void os::print_jni_name_suffix_on(outputStream* st, int args_size) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1830
#ifndef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1831
  st->print("@%d", args_size  * sizeof(int));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1832
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1833
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1834
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1835
// 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
  1836
// from src/windows/hpi/src/system_md.c
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1837
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1838
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
  1839
  DWORD errval;
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1840
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1841
  if ((errval = GetLastError()) != 0) {
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1842
    // DOS error
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1843
    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
  1844
                                     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
  1845
                                     NULL,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1846
                                     errval,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1847
                                     0,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1848
                                     buf,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1849
                                     (DWORD)len,
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1850
                                     NULL);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1851
    if (n > 3) {
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1852
      // Drop final '.', CR, LF
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1853
      if (buf[n - 1] == '\n') n--;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1854
      if (buf[n - 1] == '\r') n--;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1855
      if (buf[n - 1] == '.') n--;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1856
      buf[n] = '\0';
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1857
    }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1858
    return n;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1859
  }
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
  if (errno != 0) {
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1862
    // C runtime error that has no corresponding DOS error code
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1863
    const char* s = strerror(errno);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1864
    size_t n = strlen(s);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1865
    if (n >= len) n = len - 1;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1866
    strncpy(buf, s, n);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1867
    buf[n] = '\0';
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1868
    return n;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1869
  }
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1870
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1871
  return 0;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1872
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1873
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1874
int os::get_last_error() {
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1875
  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
  1876
  if (error == 0) {
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1877
    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
  1878
  }
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1879
  return (int)error;
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1880
}
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  1881
31610
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1882
WindowsSemaphore::WindowsSemaphore(uint value) {
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1883
  _semaphore = ::CreateSemaphore(NULL, value, LONG_MAX, NULL);
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1884
33105
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 32748
diff changeset
  1885
  guarantee(_semaphore != NULL, "CreateSemaphore failed with error code: %lu", GetLastError());
31610
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1886
}
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1887
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1888
WindowsSemaphore::~WindowsSemaphore() {
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1889
  ::CloseHandle(_semaphore);
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1890
}
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1891
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1892
void WindowsSemaphore::signal(uint count) {
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1893
  if (count > 0) {
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1894
    BOOL ret = ::ReleaseSemaphore(_semaphore, count, NULL);
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1895
33105
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 32748
diff changeset
  1896
    assert(ret != 0, "ReleaseSemaphore failed with error code: %lu", GetLastError());
31610
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1897
  }
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1898
}
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1899
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1900
void WindowsSemaphore::wait() {
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1901
  DWORD ret = ::WaitForSingleObject(_semaphore, INFINITE);
33105
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 32748
diff changeset
  1902
  assert(ret != WAIT_FAILED,   "WaitForSingleObject failed with error code: %lu", GetLastError());
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 32748
diff changeset
  1903
  assert(ret == WAIT_OBJECT_0, "WaitForSingleObject failed with return value: %lu", ret);
31610
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1904
}
b05ea6f92971 8087322: Implement a Semaphore utility class
stefank
parents: 31592
diff changeset
  1905
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1906
// sun.misc.Signal
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1907
// NOTE that this is a workaround for an apparent kernel bug where if
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1908
// a signal handler for SIGBREAK is installed then that signal handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1909
// takes priority over the console control handler for CTRL_CLOSE_EVENT.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1910
// See bug 4416763.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1911
static void (*sigbreakHandler)(int) = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1912
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1913
static void UserHandler(int sig, void *siginfo, void *context) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1914
  os::signal_notify(sig);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1915
  // We need to reinstate the signal handler each time...
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1916
  os::signal(sig, (void*)UserHandler);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1917
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1918
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1919
void* os::user_handler() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1920
  return (void*) UserHandler;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1921
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1922
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1923
void* os::signal(int signal_number, void* handler) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1924
  if ((signal_number == SIGBREAK) && (!ReduceSignalUsage)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1925
    void (*oldHandler)(int) = sigbreakHandler;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1926
    sigbreakHandler = (void (*)(int)) handler;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1927
    return (void*) oldHandler;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1928
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1929
    return (void*)::signal(signal_number, (void (*)(int))handler);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1930
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1931
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1932
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1933
void os::signal_raise(int signal_number) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1934
  raise(signal_number);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1935
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1936
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1937
// The Win32 C runtime library maps all console control events other than ^C
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1938
// into SIGBREAK, which makes it impossible to distinguish ^BREAK from close,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1939
// logoff, and shutdown events.  We therefore install our own console handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1940
// that raises SIGTERM for the latter cases.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1941
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1942
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
  1943
  switch (event) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1944
  case CTRL_C_EVENT:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1945
    if (is_error_reported()) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1946
      // 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
  1947
      // 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
  1948
      os::die();
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1949
    }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1950
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1951
    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
  1952
    return TRUE;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1953
    break;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1954
  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
  1955
    if (sigbreakHandler != NULL) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1956
      (*sigbreakHandler)(SIGBREAK);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1957
    }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1958
    return TRUE;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1959
    break;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1960
  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
  1961
    // 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
  1962
    // 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
  1963
    USEROBJECTFLAGS flags;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1964
    HANDLE handle = GetProcessWindowStation();
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1965
    if (handle != NULL &&
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1966
        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
  1967
        sizeof(USEROBJECTFLAGS), NULL)) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1968
      // 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
  1969
      // with it.
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1970
      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
  1971
        return FALSE;
15236
27d5f33652c7 6871190: Don't terminate JVM if it is running in a non-interactive session
zgu
parents: 15098
diff changeset
  1972
      }
27d5f33652c7 6871190: Don't terminate JVM if it is running in a non-interactive session
zgu
parents: 15098
diff changeset
  1973
    }
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1974
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1975
  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
  1976
  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
  1977
    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
  1978
    return TRUE;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1979
    break;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1980
  default:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  1981
    break;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1982
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1983
  return FALSE;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1984
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1985
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  1986
// 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
  1987
// code platform specific, which it is by its very nature.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1988
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1989
// Return maximum OS signal used + 1 for internal use only
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1990
// 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
  1991
int os::sigexitnum_pd() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1992
  return NSIG;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1993
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1994
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1995
// a counter for each possible signal value, including signal_thread exit signal
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1996
static volatile jint pending_signals[NSIG+1] = { 0 };
15733
5bd5dc5b9bb9 8007312: null check signal semaphore in os::signal_notify windows
mgronlun
parents: 15475
diff changeset
  1997
static HANDLE sig_sem = NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1998
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1999
void os::signal_init_pd() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2000
  // Initialize signal structures
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2001
  memset((void*)pending_signals, 0, sizeof(pending_signals));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2002
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2003
  sig_sem = ::CreateSemaphore(NULL, 0, NSIG+1, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2004
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2005
  // Programs embedding the VM do not want it to attempt to receive
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2006
  // events like CTRL_LOGOFF_EVENT, which are used to implement the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2007
  // shutdown hooks mechanism introduced in 1.3.  For example, when
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2008
  // the VM is run as part of a Windows NT service (i.e., a servlet
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2009
  // engine in a web server), the correct behavior is for any console
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2010
  // control handler to return FALSE, not TRUE, because the OS's
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2011
  // "final" handler for such events allows the process to continue if
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2012
  // it is a service (while terminating it if it is not a service).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2013
  // To make this behavior uniform and the mechanism simpler, we
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2014
  // completely disable the VM's usage of these console events if -Xrs
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2015
  // (=ReduceSignalUsage) is specified.  This means, for example, that
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2016
  // the CTRL-BREAK thread dump mechanism is also disabled in this
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2017
  // case.  See bugs 4323062, 4345157, and related bugs.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2018
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2019
  if (!ReduceSignalUsage) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2020
    // Add a CTRL-C handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2021
    SetConsoleCtrlHandler(consoleHandler, TRUE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2022
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2023
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2024
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2025
void os::signal_notify(int signal_number) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2026
  BOOL ret;
15733
5bd5dc5b9bb9 8007312: null check signal semaphore in os::signal_notify windows
mgronlun
parents: 15475
diff changeset
  2027
  if (sig_sem != NULL) {
5bd5dc5b9bb9 8007312: null check signal semaphore in os::signal_notify windows
mgronlun
parents: 15475
diff changeset
  2028
    Atomic::inc(&pending_signals[signal_number]);
5bd5dc5b9bb9 8007312: null check signal semaphore in os::signal_notify windows
mgronlun
parents: 15475
diff changeset
  2029
    ret = ::ReleaseSemaphore(sig_sem, 1, NULL);
5bd5dc5b9bb9 8007312: null check signal semaphore in os::signal_notify windows
mgronlun
parents: 15475
diff changeset
  2030
    assert(ret != 0, "ReleaseSemaphore() failed");
5bd5dc5b9bb9 8007312: null check signal semaphore in os::signal_notify windows
mgronlun
parents: 15475
diff changeset
  2031
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2032
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2033
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2034
static int check_pending_signals(bool wait_for_signal) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2035
  DWORD ret;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2036
  while (true) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2037
    for (int i = 0; i < NSIG + 1; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2038
      jint n = pending_signals[i];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2039
      if (n > 0 && n == Atomic::cmpxchg(n - 1, &pending_signals[i], n)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2040
        return i;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2041
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2042
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2043
    if (!wait_for_signal) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2044
      return -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2045
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2046
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2047
    JavaThread *thread = JavaThread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2048
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2049
    ThreadBlockInVM tbivm(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2050
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2051
    bool threadIsSuspended;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2052
    do {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2053
      thread->set_suspend_equivalent();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2054
      // cleared by handle_special_suspend_equivalent_condition() or java_suspend_self()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2055
      ret = ::WaitForSingleObject(sig_sem, INFINITE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2056
      assert(ret == WAIT_OBJECT_0, "WaitForSingleObject() failed");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2057
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2058
      // were we externally suspended while we were waiting?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2059
      threadIsSuspended = thread->handle_special_suspend_equivalent_condition();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2060
      if (threadIsSuspended) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2061
        // The semaphore has been incremented, but while we were waiting
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2062
        // another thread suspended us. We don't want to continue running
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2063
        // while suspended because that would surprise the thread that
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2064
        // suspended us.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2065
        ret = ::ReleaseSemaphore(sig_sem, 1, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2066
        assert(ret != 0, "ReleaseSemaphore() failed");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2067
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2068
        thread->java_suspend_self();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2069
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2070
    } while (threadIsSuspended);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2071
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2072
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2073
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2074
int os::signal_lookup() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2075
  return check_pending_signals(false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2076
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2077
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2078
int os::signal_wait() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2079
  return check_pending_signals(true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2080
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2081
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2082
// Implicit OS exception handling
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2083
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2084
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
  2085
                      address handler) {
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  2086
    JavaThread* thread = (JavaThread*) Thread::current_or_null();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2087
  // Save pc in thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2088
#ifdef _M_IA64
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2089
  // Do not blow up if no thread info available.
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2090
  if (thread) {
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2091
    // Saving PRECISE pc (with slot information) in thread.
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2092
    uint64_t precise_pc = (uint64_t) exceptionInfo->ExceptionRecord->ExceptionAddress;
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2093
    // Convert precise PC into "Unix" format
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2094
    precise_pc = (precise_pc & 0xFFFFFFFFFFFFFFF0) | ((precise_pc & 0xF) >> 2);
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2095
    thread->set_saved_exception_pc((address)precise_pc);
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2096
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2097
  // Set pc to handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2098
  exceptionInfo->ContextRecord->StIIP = (DWORD64)handler;
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2099
  // Clear out psr.ri (= Restart Instruction) in order to continue
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2100
  // at the beginning of the target bundle.
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2101
  exceptionInfo->ContextRecord->StIPSR &= 0xFFFFF9FFFFFFFFFF;
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2102
  assert(((DWORD64)handler & 0xF) == 0, "Target address must point to the beginning of a bundle!");
30252
b9faf31ff015 8077674: BSD build failures due to undefined macros
dholmes
parents: 30240
diff changeset
  2103
#else
b9faf31ff015 8077674: BSD build failures due to undefined macros
dholmes
parents: 30240
diff changeset
  2104
  #ifdef _M_AMD64
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2105
  // Do not blow up if no thread info available.
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2106
  if (thread) {
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2107
    thread->set_saved_exception_pc((address)(DWORD_PTR)exceptionInfo->ContextRecord->Rip);
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2108
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2109
  // Set pc to handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2110
  exceptionInfo->ContextRecord->Rip = (DWORD64)handler;
30252
b9faf31ff015 8077674: BSD build failures due to undefined macros
dholmes
parents: 30240
diff changeset
  2111
  #else
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2112
  // Do not blow up if no thread info available.
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2113
  if (thread) {
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2114
    thread->set_saved_exception_pc((address)(DWORD_PTR)exceptionInfo->ContextRecord->Eip);
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2115
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2116
  // Set pc to handler
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2117
  exceptionInfo->ContextRecord->Eip = (DWORD)(DWORD_PTR)handler;
30252
b9faf31ff015 8077674: BSD build failures due to undefined macros
dholmes
parents: 30240
diff changeset
  2118
  #endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2119
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2120
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2121
  // Continue the execution
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2122
  return EXCEPTION_CONTINUE_EXECUTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2123
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2124
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2125
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2126
// Used for PostMortemDump
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2127
extern "C" void safepoints();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2128
extern "C" void find(int x);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2129
extern "C" void events();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2130
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2131
// According to Windows API documentation, an illegal instruction sequence should generate
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2132
// the 0xC000001C exception code. However, real world experience shows that occasionnaly
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2133
// the execution of an illegal instruction can generate the exception code 0xC000001E. This
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2134
// seems to be an undocumented feature of Win NT 4.0 (and probably other Windows systems).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2135
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2136
#define EXCEPTION_ILLEGAL_INSTRUCTION_2 0xC000001E
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2137
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2138
// From "Execution Protection in the Windows Operating System" draft 0.35
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2139
// Once a system header becomes available, the "real" define should be
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2140
// included or copied here.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2141
#define EXCEPTION_INFO_EXEC_VIOLATION 0x08
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2142
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2143
// Handle NAT Bit consumption on IA64.
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2144
#ifdef _M_IA64
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2145
  #define EXCEPTION_REG_NAT_CONSUMPTION    STATUS_REG_NAT_CONSUMPTION
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2146
#endif
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2147
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2148
// Windows Vista/2008 heap corruption check
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2149
#define EXCEPTION_HEAP_CORRUPTION        0xC0000374
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2150
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2151
#define def_excpt(val) #val, val
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2152
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2153
struct siglabel {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2154
  char *name;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2155
  int   number;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2156
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2157
7692
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2158
// 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
  2159
// 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
  2160
// 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
  2161
// 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
  2162
// 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
  2163
// ASCII values of "msc".
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2164
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2165
#define EXCEPTION_UNCAUGHT_CXX_EXCEPTION    0xE06D7363
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2166
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2167
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2168
struct siglabel exceptlabels[] = {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2169
    def_excpt(EXCEPTION_ACCESS_VIOLATION),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2170
    def_excpt(EXCEPTION_DATATYPE_MISALIGNMENT),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2171
    def_excpt(EXCEPTION_BREAKPOINT),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2172
    def_excpt(EXCEPTION_SINGLE_STEP),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2173
    def_excpt(EXCEPTION_ARRAY_BOUNDS_EXCEEDED),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2174
    def_excpt(EXCEPTION_FLT_DENORMAL_OPERAND),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2175
    def_excpt(EXCEPTION_FLT_DIVIDE_BY_ZERO),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2176
    def_excpt(EXCEPTION_FLT_INEXACT_RESULT),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2177
    def_excpt(EXCEPTION_FLT_INVALID_OPERATION),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2178
    def_excpt(EXCEPTION_FLT_OVERFLOW),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2179
    def_excpt(EXCEPTION_FLT_STACK_CHECK),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2180
    def_excpt(EXCEPTION_FLT_UNDERFLOW),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2181
    def_excpt(EXCEPTION_INT_DIVIDE_BY_ZERO),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2182
    def_excpt(EXCEPTION_INT_OVERFLOW),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2183
    def_excpt(EXCEPTION_PRIV_INSTRUCTION),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2184
    def_excpt(EXCEPTION_IN_PAGE_ERROR),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2185
    def_excpt(EXCEPTION_ILLEGAL_INSTRUCTION),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2186
    def_excpt(EXCEPTION_ILLEGAL_INSTRUCTION_2),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2187
    def_excpt(EXCEPTION_NONCONTINUABLE_EXCEPTION),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2188
    def_excpt(EXCEPTION_STACK_OVERFLOW),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2189
    def_excpt(EXCEPTION_INVALID_DISPOSITION),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2190
    def_excpt(EXCEPTION_GUARD_PAGE),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2191
    def_excpt(EXCEPTION_INVALID_HANDLE),
7692
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2192
    def_excpt(EXCEPTION_UNCAUGHT_CXX_EXCEPTION),
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2193
    def_excpt(EXCEPTION_HEAP_CORRUPTION),
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2194
#ifdef _M_IA64
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2195
    def_excpt(EXCEPTION_REG_NAT_CONSUMPTION),
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2196
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2197
    NULL, 0
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2198
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2199
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2200
const char* os::exception_name(int exception_code, char *buf, size_t size) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2201
  for (int i = 0; exceptlabels[i].name != NULL; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2202
    if (exceptlabels[i].number == exception_code) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2203
      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
  2204
      return buf;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2205
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2206
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2207
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2208
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2209
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2210
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2211
//-----------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2212
LONG Handle_IDiv_Exception(struct _EXCEPTION_POINTERS* exceptionInfo) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2213
  // handle exception caused by idiv; should only happen for -MinInt/-1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2214
  // (division by zero is handled explicitly)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2215
#ifdef _M_IA64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2216
  assert(0, "Fix Handle_IDiv_Exception");
30252
b9faf31ff015 8077674: BSD build failures due to undefined macros
dholmes
parents: 30240
diff changeset
  2217
#else
b9faf31ff015 8077674: BSD build failures due to undefined macros
dholmes
parents: 30240
diff changeset
  2218
  #ifdef  _M_AMD64
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2219
  PCONTEXT ctx = exceptionInfo->ContextRecord;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2220
  address pc = (address)ctx->Rip;
33160
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2221
  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
  2222
  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
  2223
  if (pc[0] == 0xF7) {
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2224
    // set correct result values and continue after idiv instruction
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2225
    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
  2226
  } else {
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2227
    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
  2228
  }
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 32748
diff changeset
  2229
  // 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
  2230
  // 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
  2231
  // idiv opcode (0xF7).
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2232
  ctx->Rdx = (DWORD)0;             // remainder
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2233
  // Continue the execution
30252
b9faf31ff015 8077674: BSD build failures due to undefined macros
dholmes
parents: 30240
diff changeset
  2234
  #else
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2235
  PCONTEXT ctx = exceptionInfo->ContextRecord;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2236
  address pc = (address)ctx->Eip;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2237
  assert(pc[0] == 0xF7, "not an idiv opcode");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2238
  assert((pc[1] & ~0x7) == 0xF8, "cannot handle non-register operands");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2239
  assert(ctx->Eax == min_jint, "unexpected idiv exception");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2240
  // set correct result values and continue after idiv instruction
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2241
  ctx->Eip = (DWORD)pc + 2;        // idiv reg, reg  is 2 bytes
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2242
  ctx->Eax = (DWORD)min_jint;      // result
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2243
  ctx->Edx = (DWORD)0;             // remainder
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2244
  // Continue the execution
30252
b9faf31ff015 8077674: BSD build failures due to undefined macros
dholmes
parents: 30240
diff changeset
  2245
  #endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2246
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2247
  return EXCEPTION_CONTINUE_EXECUTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2248
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2249
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2250
//-----------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2251
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
  2252
  PCONTEXT ctx = exceptionInfo->ContextRecord;
97a29d87282f 7012961: runtime/jni/WindowsExceptionFilter/WindowsExceptionFilter01 crashes on windows-amd64
zgu
parents: 20006
diff changeset
  2253
#ifndef  _WIN64
4762
c75b48e6b250 6918421: 1/1 in-process JVM now ignores preset Windows unhandled exception filter
dcubed
parents: 1664
diff changeset
  2254
  // handle exception caused by native method modifying control word
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2255
  DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2256
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2257
  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
  2258
  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
  2259
  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
  2260
  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
  2261
  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
  2262
  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
  2263
  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
  2264
  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
  2265
    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
  2266
    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
  2267
      // 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
  2268
      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
  2269
      // 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
  2270
      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
  2271
      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
  2272
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2273
  }
4762
c75b48e6b250 6918421: 1/1 in-process JVM now ignores preset Windows unhandled exception filter
dcubed
parents: 1664
diff changeset
  2274
c75b48e6b250 6918421: 1/1 in-process JVM now ignores preset Windows unhandled exception filter
dcubed
parents: 1664
diff changeset
  2275
  if (prev_uef_handler != NULL) {
c75b48e6b250 6918421: 1/1 in-process JVM now ignores preset Windows unhandled exception filter
dcubed
parents: 1664
diff changeset
  2276
    // 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
  2277
    // UnhandledExceptionFilter.
c75b48e6b250 6918421: 1/1 in-process JVM now ignores preset Windows unhandled exception filter
dcubed
parents: 1664
diff changeset
  2278
    return (prev_uef_handler)(exceptionInfo);
c75b48e6b250 6918421: 1/1 in-process JVM now ignores preset Windows unhandled exception filter
dcubed
parents: 1664
diff changeset
  2279
  }
22487
97a29d87282f 7012961: runtime/jni/WindowsExceptionFilter/WindowsExceptionFilter01 crashes on windows-amd64
zgu
parents: 20006
diff changeset
  2280
#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
  2281
  // 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
  2282
  // 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
  2283
  //
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2284
  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
  2285
  // 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
  2286
  // 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
  2287
  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
  2288
    ctx->MxCsr = MxCsr;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2289
    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
  2290
  }
22487
97a29d87282f 7012961: runtime/jni/WindowsExceptionFilter/WindowsExceptionFilter01 crashes on windows-amd64
zgu
parents: 20006
diff changeset
  2291
#endif // !_WIN64
97a29d87282f 7012961: runtime/jni/WindowsExceptionFilter/WindowsExceptionFilter01 crashes on windows-amd64
zgu
parents: 20006
diff changeset
  2292
97a29d87282f 7012961: runtime/jni/WindowsExceptionFilter/WindowsExceptionFilter01 crashes on windows-amd64
zgu
parents: 20006
diff changeset
  2293
  return EXCEPTION_CONTINUE_SEARCH;
97a29d87282f 7012961: runtime/jni/WindowsExceptionFilter/WindowsExceptionFilter01 crashes on windows-amd64
zgu
parents: 20006
diff changeset
  2294
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2295
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2296
static inline void report_error(Thread* t, DWORD exception_code,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2297
                                address addr, void* siginfo, void* context) {
33105
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 32748
diff changeset
  2298
  VMError::report_and_die(t, exception_code, addr, siginfo, context);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2299
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2300
  // If UseOsErrorReporting, this will return here and save the error file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2301
  // somewhere where we can find it in the minidump.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2302
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2303
35071
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2304
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
  2305
        struct _EXCEPTION_POINTERS* exceptionInfo, address pc, frame* fr) {
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2306
  PEXCEPTION_RECORD exceptionRecord = exceptionInfo->ExceptionRecord;
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2307
  address addr = (address) exceptionRecord->ExceptionInformation[1];
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2308
  if (Interpreter::contains(pc)) {
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2309
    *fr = os::fetch_frame_from_context((void*)exceptionInfo->ContextRecord);
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2310
    if (!fr->is_first_java_frame()) {
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2311
      assert(fr->safe_for_sender(thread), "Safety check");
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2312
      *fr = fr->java_sender();
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2313
    }
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2314
  } else {
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2315
    // more complex code with compiled code
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2316
    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
  2317
    CodeBlob* cb = CodeCache::find_blob(pc);
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2318
    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
  2319
      // 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
  2320
      // stack overflow handling
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2321
      return false;
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2322
    } else {
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2323
      *fr = os::fetch_frame_from_context((void*)exceptionInfo->ContextRecord);
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2324
      // 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
  2325
      // has been pushed on the stack
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2326
      *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
  2327
      if (!fr->is_java_frame()) {
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2328
        assert(fr->safe_for_sender(thread), "Safety check");
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2329
        *fr = fr->java_sender();
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2330
      }
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2331
    }
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2332
  }
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2333
  assert(fr->is_java_frame(), "Safety check");
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2334
  return true;
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2335
}
a0910b1d3e0d 8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents: 35061
diff changeset
  2336
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2337
//-----------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2338
LONG WINAPI topLevelExceptionFilter(struct _EXCEPTION_POINTERS* exceptionInfo) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2339
  if (InterceptOSException) return EXCEPTION_CONTINUE_SEARCH;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2340
  DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2341
#ifdef _M_IA64
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2342
  // On Itanium, we need the "precise pc", which has the slot number coded
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2343
  // into the least 4 bits: 0000=slot0, 0100=slot1, 1000=slot2 (Windows format).
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2344
  address pc = (address) exceptionInfo->ExceptionRecord->ExceptionAddress;
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2345
  // Convert the pc to "Unix format", which has the slot number coded
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2346
  // into the least 2 bits: 0000=slot0, 0001=slot1, 0010=slot2
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2347
  // This is needed for IA64 because "relocation" / "implicit null check" / "poll instruction"
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2348
  // information is saved in the Unix format.
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2349
  address pc_unix_format = (address) ((((uint64_t)pc) & 0xFFFFFFFFFFFFFFF0) | ((((uint64_t)pc) & 0xF) >> 2));
30252
b9faf31ff015 8077674: BSD build failures due to undefined macros
dholmes
parents: 30240
diff changeset
  2350
#else
b9faf31ff015 8077674: BSD build failures due to undefined macros
dholmes
parents: 30240
diff changeset
  2351
  #ifdef _M_AMD64
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2352
  address pc = (address) exceptionInfo->ContextRecord->Rip;
30252
b9faf31ff015 8077674: BSD build failures due to undefined macros
dholmes
parents: 30240
diff changeset
  2353
  #else
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2354
  address pc = (address) exceptionInfo->ContextRecord->Eip;
30252
b9faf31ff015 8077674: BSD build failures due to undefined macros
dholmes
parents: 30240
diff changeset
  2355
  #endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2356
#endif
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  2357
  Thread* t = Thread::current_or_null_safe();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2358
18740
db44b1599483 8016697: Use stubs to implement safefetch
goetz
parents: 18086
diff changeset
  2359
  // Handle SafeFetch32 and SafeFetchN exceptions.
db44b1599483 8016697: Use stubs to implement safefetch
goetz
parents: 18086
diff changeset
  2360
  if (StubRoutines::is_safefetch_fault(pc)) {
db44b1599483 8016697: Use stubs to implement safefetch
goetz
parents: 18086
diff changeset
  2361
    return Handle_Exception(exceptionInfo, StubRoutines::continuation_for_safefetch_fault(pc));
db44b1599483 8016697: Use stubs to implement safefetch
goetz
parents: 18086
diff changeset
  2362
  }
db44b1599483 8016697: Use stubs to implement safefetch
goetz
parents: 18086
diff changeset
  2363
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2364
#ifndef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2365
  // Execution protection violation - win32 running on AMD64 only
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2366
  // Handled first to avoid misdiagnosis as a "normal" access violation;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2367
  // This is safe to do because we have a new/unique ExceptionInformation
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2368
  // code for this condition.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2369
  if (exception_code == EXCEPTION_ACCESS_VIOLATION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2370
    PEXCEPTION_RECORD exceptionRecord = exceptionInfo->ExceptionRecord;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2371
    int exception_subcode = (int) exceptionRecord->ExceptionInformation[0];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2372
    address addr = (address) exceptionRecord->ExceptionInformation[1];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2373
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2374
    if (exception_subcode == EXCEPTION_INFO_EXEC_VIOLATION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2375
      int page_size = os::vm_page_size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2376
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2377
      // Make sure the pc and the faulting address are sane.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2378
      //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2379
      // If an instruction spans a page boundary, and the page containing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2380
      // the beginning of the instruction is executable but the following
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2381
      // page is not, the pc and the faulting address might be slightly
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2382
      // different - we still want to unguard the 2nd page in this case.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2383
      //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2384
      // 15 bytes seems to be a (very) safe value for max instruction size.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2385
      bool pc_is_near_addr =
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2386
        (pointer_delta((void*) addr, (void*) pc, sizeof(char)) < 15);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2387
      bool instr_spans_page_boundary =
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2388
        (align_size_down((intptr_t) pc ^ (intptr_t) addr,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2389
                         (intptr_t) page_size) > 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2390
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2391
      if (pc == addr || (pc_is_near_addr && instr_spans_page_boundary)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2392
        static volatile address last_addr =
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2393
          (address) os::non_memory_address_word();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2394
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2395
        // In conservative mode, don't unguard unless the address is in the VM
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2396
        if (UnguardOnExecutionViolation > 0 && addr != last_addr &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2397
            (UnguardOnExecutionViolation > 1 || os::address_is_in_vm(addr))) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2398
1664
fc9ed50498fb 6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents: 1620
diff changeset
  2399
          // Set memory to RWX and retry
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2400
          address page_start =
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2401
            (address) align_size_down((intptr_t) addr, (intptr_t) page_size);
1664
fc9ed50498fb 6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents: 1620
diff changeset
  2402
          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
  2403
                                        os::MEM_PROT_RWX);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2404
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2405
          if (PrintMiscellaneous && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2406
            char buf[256];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2407
            jio_snprintf(buf, sizeof(buf), "Execution protection violation "
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2408
                         "at " INTPTR_FORMAT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2409
                         ", unguarding " INTPTR_FORMAT ": %s", addr,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2410
                         page_start, (res ? "success" : strerror(errno)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2411
            tty->print_raw_cr(buf);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2412
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2413
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2414
          // Set last_addr so if we fault again at the same address, we don't
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2415
          // end up in an endless loop.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2416
          //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2417
          // There are two potential complications here.  Two threads trapping
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2418
          // at the same address at the same time could cause one of the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2419
          // threads to think it already unguarded, and abort the VM.  Likely
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2420
          // very rare.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2421
          //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2422
          // The other race involves two threads alternately trapping at
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2423
          // different addresses and failing to unguard the page, resulting in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2424
          // an endless loop.  This condition is probably even more unlikely
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2425
          // than the first.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2426
          //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2427
          // Although both cases could be avoided by using locks or thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2428
          // local last_addr, these solutions are unnecessary complication:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2429
          // this handler is a best-effort safety net, not a complete solution.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2430
          // It is disabled by default and should only be used as a workaround
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2431
          // in case we missed any no-execute-unsafe VM code.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2432
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2433
          last_addr = addr;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2434
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2435
          return EXCEPTION_CONTINUE_EXECUTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2436
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2437
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2438
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2439
      // Last unguard failed or not unguarding
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2440
      tty->print_raw_cr("Execution protection violation");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2441
      report_error(t, exception_code, addr, exceptionInfo->ExceptionRecord,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2442
                   exceptionInfo->ContextRecord);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2443
      return EXCEPTION_CONTINUE_SEARCH;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2444
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2445
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2446
#endif // _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2447
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2448
  // Check to see if we caught the safepoint code in the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2449
  // process of write protecting the memory serialization page.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2450
  // It write enables the page immediately after protecting it
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2451
  // so just return.
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  2452
  if (exception_code == EXCEPTION_ACCESS_VIOLATION) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2453
    JavaThread* thread = (JavaThread*) t;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2454
    PEXCEPTION_RECORD exceptionRecord = exceptionInfo->ExceptionRecord;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2455
    address addr = (address) exceptionRecord->ExceptionInformation[1];
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  2456
    if (os::is_memory_serialize_page(thread, addr)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2457
      // Block current thread until the memory serialize page permission restored.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2458
      os::block_on_serialize_page_trap();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2459
      return EXCEPTION_CONTINUE_EXECUTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2460
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2461
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2462
23487
0f7e268cd9e3 8037226: compiler/7196199/Test7196199.java fails on 32-bit linux with MaxVectorSize > 16
kvn
parents: 23176
diff changeset
  2463
  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
  2464
      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
  2465
    // 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
  2466
    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
  2467
  }
0f7e268cd9e3 8037226: compiler/7196199/Test7196199.java fails on 32-bit linux with MaxVectorSize > 16
kvn
parents: 23176
diff changeset
  2468
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2469
  if (t != NULL && t->is_Java_thread()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2470
    JavaThread* thread = (JavaThread*) t;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2471
    bool in_java = thread->thread_state() == _thread_in_Java;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2472
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2473
    // Handle potential stack overflows up front.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2474
    if (exception_code == EXCEPTION_STACK_OVERFLOW) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2475
#ifdef _M_IA64
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2476
      // Use guard page for register stack.
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2477
      PEXCEPTION_RECORD exceptionRecord = exceptionInfo->ExceptionRecord;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2478
      address addr = (address) exceptionRecord->ExceptionInformation[1];
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2479
      // Check for a register stack overflow on Itanium
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2480
      if (thread->addr_inside_register_stack_red_zone(addr)) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2481
        // Fatal red zone violation happens if the Java program
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2482
        // catches a StackOverflow error and does so much processing
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2483
        // that it runs beyond the unprotected yellow guard zone. As
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2484
        // a result, we are out of here.
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2485
        fatal("ERROR: Unrecoverable stack overflow happened. JVM will exit.");
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2486
      } else if(thread->addr_inside_register_stack(addr)) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2487
        // Disable the yellow zone which sets the state that
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2488
        // we've got a stack overflow problem.
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2489
        if (thread->stack_yellow_reserved_zone_enabled()) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2490
          thread->disable_stack_yellow_reserved_zone();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2491
        }
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2492
        // Give us some room to process the exception.
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2493
        thread->disable_register_stack_guard();
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2494
        // Tracing with +Verbose.
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2495
        if (Verbose) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2496
          tty->print_cr("SOF Compiled Register Stack overflow at " INTPTR_FORMAT " (SIGSEGV)", pc);
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2497
          tty->print_cr("Register Stack access at " INTPTR_FORMAT, addr);
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2498
          tty->print_cr("Register Stack base " INTPTR_FORMAT, thread->register_stack_base());
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2499
          tty->print_cr("Register Stack [" INTPTR_FORMAT "," INTPTR_FORMAT "]",
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2500
                        thread->register_stack_base(),
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2501
                        thread->register_stack_base() + thread->stack_size());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2502
        }
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2503
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2504
        // Reguard the permanent register stack red zone just to be sure.
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2505
        // We saw Windows silently disabling this without telling us.
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2506
        thread->enable_register_stack_red_zone();
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2507
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2508
        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
  2509
                                SharedRuntime::continuation_for_implicit_exception(thread, pc, SharedRuntime::STACK_OVERFLOW));
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2510
      }
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2511
#endif
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2512
      if (thread->stack_guards_enabled()) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2513
        if (_thread_in_Java) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2514
          frame fr;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2515
          PEXCEPTION_RECORD exceptionRecord = exceptionInfo->ExceptionRecord;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2516
          address addr = (address) exceptionRecord->ExceptionInformation[1];
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2517
          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
  2518
            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
  2519
            SharedRuntime::look_for_reserved_stack_annotated_method(thread, fr);
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2520
          }
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2521
        }
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2522
        // 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
  2523
        // 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
  2524
        // update the enabled status, even if the zone contains only one page.
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2525
        thread->disable_stack_yellow_reserved_zone();
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2526
        // 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
  2527
        return in_java
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2528
            ? 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
  2529
            :  EXCEPTION_CONTINUE_EXECUTION;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2530
      } else {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2531
        // Fatal red zone violation.
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2532
        thread->disable_stack_red_zone();
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2533
        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
  2534
        report_error(t, exception_code, pc, exceptionInfo->ExceptionRecord,
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2535
                      exceptionInfo->ContextRecord);
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2536
        return EXCEPTION_CONTINUE_SEARCH;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2537
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2538
    } else if (exception_code == EXCEPTION_ACCESS_VIOLATION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2539
      // Either stack overflow or null pointer exception.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2540
      if (in_java) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2541
        PEXCEPTION_RECORD exceptionRecord = exceptionInfo->ExceptionRecord;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2542
        address addr = (address) exceptionRecord->ExceptionInformation[1];
35201
996db89f378e 8139864: Improve handling of stack protection zones.
goetz
parents: 35176
diff changeset
  2543
        address stack_end = thread->stack_end();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2544
        if (addr < stack_end && addr >= stack_end - os::vm_page_size()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2545
          // Stack overflow.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2546
          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
  2547
                 "should be caught by red zone code above.");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2548
          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
  2549
                                  SharedRuntime::continuation_for_implicit_exception(thread, pc, SharedRuntime::STACK_OVERFLOW));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2550
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2551
        // Check for safepoint polling and implicit null
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2552
        // We only expect null pointers in the stubs (vtable)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2553
        // the rest are checked explicitly now.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2554
        CodeBlob* cb = CodeCache::find_blob(pc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2555
        if (cb != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2556
          if (os::is_poll_address(addr)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2557
            address stub = SharedRuntime::get_poll_stub(pc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2558
            return Handle_Exception(exceptionInfo, stub);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2559
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2560
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2561
        {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2562
#ifdef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2563
          // If it's a legal stack address map the entire region in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2564
          //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2565
          PEXCEPTION_RECORD exceptionRecord = exceptionInfo->ExceptionRecord;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2566
          address addr = (address) exceptionRecord->ExceptionInformation[1];
35201
996db89f378e 8139864: Improve handling of stack protection zones.
goetz
parents: 35176
diff changeset
  2567
          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
  2568
            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
  2569
                             (~((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
  2570
            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
  2571
                              !ExecMem);
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2572
            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
  2573
          } else
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2574
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2575
          {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2576
            // Null pointer exception.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2577
#ifdef _M_IA64
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2578
            // Process implicit null checks in compiled code. Note: Implicit null checks
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2579
            // can happen even if "ImplicitNullChecks" is disabled, e.g. in vtable stubs.
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2580
            if (CodeCache::contains((void*) pc_unix_format) && !MacroAssembler::needs_explicit_null_check((intptr_t) addr)) {
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2581
              CodeBlob *cb = CodeCache::find_blob_unsafe(pc_unix_format);
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2582
              // Handle implicit null check in UEP method entry
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2583
              if (cb && (cb->is_frame_complete_at(pc) ||
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2584
                         (cb->is_nmethod() && ((nmethod *)cb)->inlinecache_check_contains(pc)))) {
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2585
                if (Verbose) {
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2586
                  intptr_t *bundle_start = (intptr_t*) ((intptr_t) pc_unix_format & 0xFFFFFFFFFFFFFFF0);
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2587
                  tty->print_cr("trap: null_check at " INTPTR_FORMAT " (SIGSEGV)", pc_unix_format);
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2588
                  tty->print_cr("      to addr " INTPTR_FORMAT, addr);
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2589
                  tty->print_cr("      bundle is " INTPTR_FORMAT " (high), " INTPTR_FORMAT " (low)",
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2590
                                *(bundle_start + 1), *bundle_start);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2591
                }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2592
                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
  2593
                                        SharedRuntime::continuation_for_implicit_exception(thread, pc_unix_format, SharedRuntime::IMPLICIT_NULL));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2594
              }
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2595
            }
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2596
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2597
            // Implicit null checks were processed above.  Hence, we should not reach
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2598
            // here in the usual case => die!
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2599
            if (Verbose) tty->print_raw_cr("Access violation, possible null pointer exception");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2600
            report_error(t, exception_code, pc, exceptionInfo->ExceptionRecord,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2601
                         exceptionInfo->ContextRecord);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2602
            return EXCEPTION_CONTINUE_SEARCH;
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2603
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2604
#else // !IA64
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2605
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2606
            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
  2607
              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
  2608
              if (stub != NULL) return Handle_Exception(exceptionInfo, stub);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2609
            }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2610
            report_error(t, exception_code, pc, exceptionInfo->ExceptionRecord,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2611
                         exceptionInfo->ContextRecord);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2612
            return EXCEPTION_CONTINUE_SEARCH;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2613
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2614
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2615
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2616
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2617
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2618
#ifdef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2619
      // Special care for fast JNI field accessors.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2620
      // jni_fast_Get<Primitive>Field can trap at certain pc's if a GC kicks
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2621
      // in and the heap gets shrunk before the field access.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2622
      if (exception_code == EXCEPTION_ACCESS_VIOLATION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2623
        address addr = JNI_FastGetField::find_slowcase_pc(pc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2624
        if (addr != (address)-1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2625
          return Handle_Exception(exceptionInfo, addr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2626
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2627
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2628
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2629
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2630
      // Stack overflow or null pointer exception in native code.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2631
      report_error(t, exception_code, pc, exceptionInfo->ExceptionRecord,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2632
                   exceptionInfo->ContextRecord);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2633
      return EXCEPTION_CONTINUE_SEARCH;
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2634
    } // /EXCEPTION_ACCESS_VIOLATION
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2635
    // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2636
#if defined _M_IA64
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2637
    else if ((exception_code == EXCEPTION_ILLEGAL_INSTRUCTION ||
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2638
              exception_code == EXCEPTION_ILLEGAL_INSTRUCTION_2)) {
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2639
      M37 handle_wrong_method_break(0, NativeJump::HANDLE_WRONG_METHOD, PR0);
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2640
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2641
      // Compiled method patched to be non entrant? Following conditions must apply:
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2642
      // 1. must be first instruction in bundle
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2643
      // 2. must be a break instruction with appropriate code
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  2644
      if ((((uint64_t) pc & 0x0F) == 0) &&
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2645
          (((IPF_Bundle*) pc)->get_slot0() == handle_wrong_method_break.bits())) {
15475
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2646
        return Handle_Exception(exceptionInfo,
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2647
                                (address)SharedRuntime::get_handle_wrong_method_stub());
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2648
      }
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2649
    } // /EXCEPTION_ILLEGAL_INSTRUCTION
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2650
#endif
73896d91270c 6518907: cleanup IA64 specific code in Hotspot
morris
parents: 15237
diff changeset
  2651
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2652
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2653
    if (in_java) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2654
      switch (exception_code) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2655
      case EXCEPTION_INT_DIVIDE_BY_ZERO:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2656
        return Handle_Exception(exceptionInfo, SharedRuntime::continuation_for_implicit_exception(thread, pc, SharedRuntime::IMPLICIT_DIVIDE_BY_ZERO));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2657
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2658
      case EXCEPTION_INT_OVERFLOW:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2659
        return Handle_IDiv_Exception(exceptionInfo);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2660
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2661
      } // switch
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2662
    }
7692
02c573fae027 6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents: 7448
diff changeset
  2663
    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
  2664
         (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
  2665
         exception_code != EXCEPTION_UNCAUGHT_CXX_EXCEPTION) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2666
      LONG result=Handle_FLT_Exception(exceptionInfo);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2667
      if (result==EXCEPTION_CONTINUE_EXECUTION) return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2668
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2669
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2670
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2671
  if (exception_code != EXCEPTION_BREAKPOINT) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2672
    report_error(t, exception_code, pc, exceptionInfo->ExceptionRecord,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2673
                 exceptionInfo->ContextRecord);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2674
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2675
  return EXCEPTION_CONTINUE_SEARCH;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2676
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2677
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2678
#ifndef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2679
// Special care for fast JNI accessors.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2680
// jni_fast_Get<Primitive>Field can trap at certain pc's if a GC kicks in and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2681
// the heap gets shrunk before the field access.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2682
// Need to install our own structured exception handler since native code may
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2683
// install its own.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2684
LONG WINAPI fastJNIAccessorExceptionFilter(struct _EXCEPTION_POINTERS* exceptionInfo) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2685
  DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2686
  if (exception_code == EXCEPTION_ACCESS_VIOLATION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2687
    address pc = (address) exceptionInfo->ContextRecord->Eip;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2688
    address addr = JNI_FastGetField::find_slowcase_pc(pc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2689
    if (addr != (address)-1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2690
      return Handle_Exception(exceptionInfo, addr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2691
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2692
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2693
  return EXCEPTION_CONTINUE_SEARCH;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2694
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2695
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2696
#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
  2697
  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
  2698
                                                     jobject obj,           \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2699
                                                     jfieldID fieldID) {    \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2700
    __try {                                                                 \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2701
      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
  2702
                                                                 obj,       \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2703
                                                                 fieldID);  \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2704
    } __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
  2705
                                              _exception_info())) {         \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2706
    }                                                                       \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2707
    return 0;                                                               \
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2708
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2709
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2710
DEFINE_FAST_GETFIELD(jboolean, bool,   Boolean)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2711
DEFINE_FAST_GETFIELD(jbyte,    byte,   Byte)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2712
DEFINE_FAST_GETFIELD(jchar,    char,   Char)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2713
DEFINE_FAST_GETFIELD(jshort,   short,  Short)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2714
DEFINE_FAST_GETFIELD(jint,     int,    Int)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2715
DEFINE_FAST_GETFIELD(jlong,    long,   Long)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2716
DEFINE_FAST_GETFIELD(jfloat,   float,  Float)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2717
DEFINE_FAST_GETFIELD(jdouble,  double, Double)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2718
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2719
address os::win32::fast_jni_accessor_wrapper(BasicType type) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2720
  switch (type) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2721
  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
  2722
  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
  2723
  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
  2724
  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
  2725
  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
  2726
  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
  2727
  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
  2728
  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
  2729
  default:        ShouldNotReachHere();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2730
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2731
  return (address)-1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2732
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2733
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2734
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2735
// Virtual Memory
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2736
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2737
int os::vm_page_size() { return os::win32::vm_page_size(); }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2738
int os::vm_allocation_granularity() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2739
  return os::win32::vm_allocation_granularity();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2740
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2741
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2742
// Windows large page support is available on Windows 2003. In order to use
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2743
// large page memory, the administrator must first assign additional privilege
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2744
// to the user:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2745
//   + select Control Panel -> Administrative Tools -> Local Security Policy
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2746
//   + select Local Policies -> User Rights Assignment
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2747
//   + double click "Lock pages in memory", add users and/or groups
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2748
//   + reboot
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2749
// Note the above steps are needed for administrator as well, as administrators
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2750
// by default do not have the privilege to lock pages in memory.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2751
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2752
// Note about Windows 2003: although the API supports committing large page
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2753
// memory on a page-by-page basis and VirtualAlloc() returns success under this
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2754
// scenario, I found through experiment it only uses large page if the entire
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2755
// memory region is reserved and committed in a single VirtualAlloc() call.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2756
// This makes Windows large page support more or less like Solaris ISM, in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2757
// that the entire heap must be committed upfront. This probably will change
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2758
// in the future, if so the code below needs to be revisited.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2759
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2760
#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
  2761
  #define MEM_LARGE_PAGES 0x20000000
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2762
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2763
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2764
static HANDLE    _hProcess;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2765
static HANDLE    _hToken;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2766
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2767
// Container for NUMA node list info
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2768
class NUMANodeListHolder {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2769
 private:
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2770
  int *_numa_used_node_list;  // allocated below
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2771
  int _numa_used_node_count;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2772
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2773
  void free_node_list() {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2774
    if (_numa_used_node_list != NULL) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  2775
      FREE_C_HEAP_ARRAY(int, _numa_used_node_list);
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2776
    }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2777
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2778
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  2779
 public:
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2780
  NUMANodeListHolder() {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2781
    _numa_used_node_count = 0;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2782
    _numa_used_node_list = NULL;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2783
    // do rest of initialization in build routine (after function pointers are set up)
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2784
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2785
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2786
  ~NUMANodeListHolder() {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2787
    free_node_list();
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2788
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2789
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2790
  bool build() {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2791
    DWORD_PTR proc_aff_mask;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2792
    DWORD_PTR sys_aff_mask;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2793
    if (!GetProcessAffinityMask(GetCurrentProcess(), &proc_aff_mask, &sys_aff_mask)) return false;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2794
    ULONG highest_node_number;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2795
    if (!GetNumaHighestNodeNumber(&highest_node_number)) return false;
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2796
    free_node_list();
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  2797
    _numa_used_node_list = NEW_C_HEAP_ARRAY(int, highest_node_number + 1, mtInternal);
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2798
    for (unsigned int i = 0; i <= highest_node_number; i++) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2799
      ULONGLONG proc_mask_numa_node;
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2800
      if (!GetNumaNodeProcessorMask(i, &proc_mask_numa_node)) return false;
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2801
      if ((proc_aff_mask & proc_mask_numa_node)!=0) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2802
        _numa_used_node_list[_numa_used_node_count++] = i;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2803
      }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2804
    }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2805
    return (_numa_used_node_count > 1);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2806
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2807
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  2808
  int get_count() { return _numa_used_node_count; }
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2809
  int get_node_list_entry(int n) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2810
    // for indexes out of range, returns -1
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2811
    return (n < _numa_used_node_count ? _numa_used_node_list[n] : -1);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2812
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2813
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2814
} numa_node_list_holder;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2815
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2816
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2817
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2818
static size_t _large_page_size = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2819
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2820
static bool request_lock_memory_privilege() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2821
  _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
  2822
                          os::current_process_id());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2823
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2824
  LUID luid;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2825
  if (_hProcess != NULL &&
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2826
      OpenProcessToken(_hProcess, TOKEN_ADJUST_PRIVILEGES, &_hToken) &&
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2827
      LookupPrivilegeValue(NULL, "SeLockMemoryPrivilege", &luid)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2828
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2829
    TOKEN_PRIVILEGES tp;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2830
    tp.PrivilegeCount = 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2831
    tp.Privileges[0].Luid = luid;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2832
    tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2833
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2834
    // AdjustTokenPrivileges() may return TRUE even when it couldn't change the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2835
    // privilege. Check GetLastError() too. See MSDN document.
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2836
    if (AdjustTokenPrivileges(_hToken, false, &tp, sizeof(tp), NULL, NULL) &&
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2837
        (GetLastError() == ERROR_SUCCESS)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2838
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2839
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2840
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2841
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2842
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2843
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2844
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2845
static void cleanup_after_large_page_init() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2846
  if (_hProcess) CloseHandle(_hProcess);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2847
  _hProcess = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2848
  if (_hToken) CloseHandle(_hToken);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2849
  _hToken = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2850
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2851
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2852
static bool numa_interleaving_init() {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2853
  bool success = false;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2854
  bool use_numa_interleaving_specified = !FLAG_IS_DEFAULT(UseNUMAInterleaving);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2855
10527
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  2856
  // 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
  2857
  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
  2858
#define WARN(msg) if (warn_on_failure) { warning(msg); }
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2859
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2860
  // 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
  2861
  size_t min_interleave_granularity = UseLargePages ? _large_page_size : os::vm_allocation_granularity();
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2862
  NUMAInterleaveGranularity = align_size_up(NUMAInterleaveGranularity, min_interleave_granularity);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2863
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2864
  if (numa_node_list_holder.build()) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2865
    if (PrintMiscellaneous && Verbose) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2866
      tty->print("NUMA UsedNodeCount=%d, namely ", numa_node_list_holder.get_count());
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2867
      for (int i = 0; i < numa_node_list_holder.get_count(); i++) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2868
        tty->print("%d ", numa_node_list_holder.get_node_list_entry(i));
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2869
      }
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2870
      tty->print("\n");
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2871
    }
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2872
    success = true;
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2873
  } else {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  2874
    WARN("Process does not cover multiple NUMA nodes.");
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2875
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2876
  if (!success) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2877
    if (use_numa_interleaving_specified) WARN("...Ignoring UseNUMAInterleaving flag.");
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2878
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2879
  return success;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2880
#undef WARN
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2881
}
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2882
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2883
// this routine is used whenever we need to reserve a contiguous VA range
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2884
// but we need to make separate VirtualAlloc calls for each piece of the range
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2885
// Reasons for doing this:
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2886
//  * UseLargePagesIndividualAllocation was set (normally only needed on WS2003 but possible to be set otherwise)
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2887
//  * 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
  2888
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
  2889
                                         DWORD prot,
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  2890
                                         bool should_inject_error = false) {
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2891
  char * p_buf;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2892
  // note: at setup time we guaranteed that NUMAInterleaveGranularity was aligned up to a page size
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2893
  size_t page_size = UseLargePages ? _large_page_size : os::vm_allocation_granularity();
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2894
  size_t chunk_size = UseNUMAInterleaving ? NUMAInterleaveGranularity : page_size;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2895
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2896
  // first reserve enough address space in advance since we want to be
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2897
  // able to break a single contiguous virtual address range into multiple
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2898
  // large page commits but WS2003 does not allow reserving large page space
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2899
  // so we just use 4K pages for reserve, this gives us a legal contiguous
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2900
  // address space. then we will deallocate that reservation, and re alloc
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2901
  // using large pages
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2902
  const size_t size_of_reserve = bytes + chunk_size;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2903
  if (bytes > size_of_reserve) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2904
    // Overflowed.
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2905
    return NULL;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2906
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2907
  p_buf = (char *) VirtualAlloc(addr,
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2908
                                size_of_reserve,  // size of Reserve
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2909
                                MEM_RESERVE,
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2910
                                PAGE_READWRITE);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2911
  // If reservation failed, return NULL
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2912
  if (p_buf == NULL) return NULL;
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 25719
diff changeset
  2913
  MemTracker::record_virtual_memory_reserve((address)p_buf, size_of_reserve, CALLER_PC);
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2914
  os::release_memory(p_buf, bytes + chunk_size);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2915
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2916
  // 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
  2917
  // but not to a chunk boundary (in case InterleavingGranularity doesn't align with page size)
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2918
  // instead we handle this in the bytes_to_rq computation below
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2919
  p_buf = (char *) align_size_up((size_t)p_buf, page_size);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2920
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2921
  // now go through and allocate one chunk at a time until all bytes are
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2922
  // allocated
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2923
  size_t  bytes_remaining = bytes;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2924
  // An overflow of align_size_up() would have been caught above
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2925
  // in the calculation of size_of_reserve.
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2926
  char * next_alloc_addr = p_buf;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2927
  HANDLE hProc = GetCurrentProcess();
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2928
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2929
#ifdef ASSERT
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2930
  // Variable for the failure injection
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2931
  long ran_num = os::random();
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2932
  size_t fail_after = ran_num % bytes;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2933
#endif
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2934
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2935
  int count=0;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2936
  while (bytes_remaining) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2937
    // select bytes_to_rq to get to the next chunk_size boundary
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2938
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2939
    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
  2940
    // Note allocate and commit
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2941
    char * p_new;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2942
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2943
#ifdef ASSERT
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2944
    bool inject_error_now = should_inject_error && (bytes_remaining <= fail_after);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2945
#else
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2946
    const bool inject_error_now = false;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2947
#endif
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2948
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2949
    if (inject_error_now) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2950
      p_new = NULL;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2951
    } else {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2952
      if (!UseNUMAInterleaving) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2953
        p_new = (char *) VirtualAlloc(next_alloc_addr,
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2954
                                      bytes_to_rq,
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2955
                                      flags,
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2956
                                      prot);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2957
      } else {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2958
        // 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
  2959
        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
  2960
        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
  2961
        p_new = (char *)VirtualAllocExNuma(hProc, next_alloc_addr, bytes_to_rq, flags, prot, node);
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2962
      }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2963
    }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2964
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2965
    if (p_new == NULL) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2966
      // Free any allocated pages
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2967
      if (next_alloc_addr > p_buf) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2968
        // Some memory was committed so release it.
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2969
        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
  2970
        // 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
  2971
        // 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
  2972
        // the release.
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  2973
        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
  2974
                                                  bytes_to_release, CALLER_PC);
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2975
        os::release_memory(p_buf, bytes_to_release);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2976
      }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2977
#ifdef ASSERT
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2978
      if (should_inject_error) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2979
        if (TracePageSizes && Verbose) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2980
          tty->print_cr("Reserving pages individually failed.");
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2981
        }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2982
      }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2983
#endif
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2984
      return NULL;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2985
    }
15927
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  2986
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2987
    bytes_remaining -= bytes_to_rq;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2988
    next_alloc_addr += bytes_to_rq;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2989
    count++;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2990
  }
15927
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  2991
  // 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
  2992
  // 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
  2993
  if ((flags & MEM_COMMIT) != 0) {
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 25719
diff changeset
  2994
    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
  2995
  } else {
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 25719
diff changeset
  2996
    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
  2997
  }
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  2998
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  2999
  // made it this far, success
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3000
  return p_buf;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3001
}
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3002
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3003
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3004
9419
f0360dfe734d 7040485: Use transparent huge page on linux by default
iveresov
parents: 9167
diff changeset
  3005
void os::large_page_init() {
f0360dfe734d 7040485: Use transparent huge page on linux by default
iveresov
parents: 9167
diff changeset
  3006
  if (!UseLargePages) return;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3007
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3008
  // print a warning if any large page related flag is specified on command line
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3009
  bool warn_on_failure = !FLAG_IS_DEFAULT(UseLargePages) ||
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3010
                         !FLAG_IS_DEFAULT(LargePageSizeInBytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3011
  bool success = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3012
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3013
#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
  3014
  if (request_lock_memory_privilege()) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3015
    size_t s = GetLargePageMinimum();
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3016
    if (s) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3017
#if defined(IA32) || defined(AMD64)
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3018
      if (s > 4*M || LargePageSizeInBytes > 4*M) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3019
        WARN("JVM cannot use large pages bigger than 4mb.");
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3020
      } else {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3021
#endif
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3022
        if (LargePageSizeInBytes && LargePageSizeInBytes % s == 0) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3023
          _large_page_size = LargePageSizeInBytes;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3024
        } else {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3025
          _large_page_size = s;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3026
        }
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3027
        success = true;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3028
#if defined(IA32) || defined(AMD64)
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3029
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3030
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3031
    } else {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3032
      WARN("Large page is not supported by the processor.");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3033
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3034
  } else {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3035
    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
  3036
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3037
#undef WARN
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3038
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3039
  const size_t default_page_size = (size_t) vm_page_size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3040
  if (success && _large_page_size > default_page_size) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3041
    _page_sizes[0] = _large_page_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3042
    _page_sizes[1] = default_page_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3043
    _page_sizes[2] = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3044
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3045
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3046
  cleanup_after_large_page_init();
9419
f0360dfe734d 7040485: Use transparent huge page on linux by default
iveresov
parents: 9167
diff changeset
  3047
  UseLargePages = success;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3048
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3049
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3050
// On win32, one cannot release just a part of reserved memory, it's an
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3051
// all or nothing deal.  When we split a reservation, we must break the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3052
// reservation into two reservations.
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3053
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
  3054
                                  bool realloc) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3055
  if (size > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3056
    release_memory(base, size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3057
    if (realloc) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3058
      reserve_memory(split, base);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3059
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3060
    if (size != split) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3061
      reserve_memory(size - split, base + split);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3062
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3063
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3064
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3065
14840
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3066
// 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
  3067
// 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
  3068
// Windows prevents multiple thread from remapping over each other so this loop is thread-safe.
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3069
char* os::reserve_memory_aligned(size_t size, size_t alignment) {
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3070
  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
  3071
         "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
  3072
  assert((size & (alignment -1)) == 0, "size must be 'alignment' aligned");
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3073
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3074
  size_t extra_size = size + alignment;
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3075
  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
  3076
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3077
  char* aligned_base = NULL;
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3078
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3079
  do {
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3080
    char* extra_base = os::reserve_memory(extra_size, NULL, alignment);
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3081
    if (extra_base == NULL) {
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3082
      return NULL;
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3083
    }
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3084
    // Do manual alignment
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3085
    aligned_base = (char*) align_size_up((uintptr_t) extra_base, alignment);
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3086
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3087
    os::release_memory(extra_base, extra_size);
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3088
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3089
    aligned_base = os::reserve_memory(size, aligned_base);
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3090
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3091
  } while (aligned_base == NULL);
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3092
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3093
  return aligned_base;
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3094
}
8994c2377547 7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents: 14633
diff changeset
  3095
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3096
char* os::pd_reserve_memory(size_t bytes, char* addr, size_t alignment_hint) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3097
  assert((size_t)addr % os::vm_allocation_granularity() == 0,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3098
         "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
  3099
  assert(bytes % os::vm_page_size() == 0, "reserve page size");
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3100
  char* res;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3101
  // note that if UseLargePages is on, all the areas that require interleaving
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3102
  // will go thru reserve_memory_special rather than thru here.
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3103
  bool use_individual = (UseNUMAInterleaving && !UseLargePages);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3104
  if (!use_individual) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3105
    res = (char*)VirtualAlloc(addr, bytes, MEM_RESERVE, PAGE_READWRITE);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3106
  } else {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3107
    elapsedTimer reserveTimer;
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3108
    if (Verbose && PrintMiscellaneous) reserveTimer.start();
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3109
    // in numa interleaving, we have to allocate pages individually
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3110
    // (well really chunks of NUMAInterleaveGranularity size)
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3111
    res = allocate_pages_individually(bytes, addr, MEM_RESERVE, PAGE_READWRITE);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3112
    if (res == NULL) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3113
      warning("NUMA page allocation failed");
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3114
    }
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3115
    if (Verbose && PrintMiscellaneous) {
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3116
      reserveTimer.stop();
15228
e92acc84ade3 7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents: 15098
diff changeset
  3117
      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
  3118
                    reserveTimer.milliseconds(), reserveTimer.ticks());
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3119
    }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3120
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3121
  assert(res == NULL || addr == NULL || addr == res,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3122
         "Unexpected address from reserve.");
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3123
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3124
  return res;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3125
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3126
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3127
// Reserve memory at an arbitrary address, only if that area is
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3128
// available (and not reserved for something else).
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3129
char* os::pd_attempt_reserve_memory_at(size_t bytes, char* requested_addr) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3130
  // Windows os::reserve_memory() fails of the requested address range is
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3131
  // not avilable.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3132
  return reserve_memory(bytes, requested_addr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3133
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3134
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3135
size_t os::large_page_size() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3136
  return _large_page_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3137
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3138
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3139
bool os::can_commit_large_page_memory() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3140
  // Windows only uses large page memory when the entire region is reserved
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3141
  // and committed in a single VirtualAlloc() call. This may change in the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3142
  // future, but with Windows 2003 it's not possible to commit on demand.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3143
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3144
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3145
252
050143a0dbfb 6642862: Code cache allocation fails with large pages after 6588638
jcoomes
parents: 235
diff changeset
  3146
bool os::can_execute_large_page_memory() {
050143a0dbfb 6642862: Code cache allocation fails with large pages after 6588638
jcoomes
parents: 235
diff changeset
  3147
  return true;
050143a0dbfb 6642862: Code cache allocation fails with large pages after 6588638
jcoomes
parents: 235
diff changeset
  3148
}
050143a0dbfb 6642862: Code cache allocation fails with large pages after 6588638
jcoomes
parents: 235
diff changeset
  3149
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3150
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
  3151
                                 bool exec) {
19546
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19274
diff changeset
  3152
  assert(UseLargePages, "only for large pages");
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19274
diff changeset
  3153
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19274
diff changeset
  3154
  if (!is_size_aligned(bytes, os::large_page_size()) || alignment > os::large_page_size()) {
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19274
diff changeset
  3155
    return NULL; // Fallback to small pages.
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19274
diff changeset
  3156
  }
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3157
2561
a62b5317b682 6830069: UseLargePages is broken on Win64
coleenp
parents: 2358
diff changeset
  3158
  const DWORD prot = exec ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE;
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3159
  const DWORD flags = MEM_RESERVE | MEM_COMMIT | MEM_LARGE_PAGES;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3160
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3161
  // with large pages, there are two cases where we need to use Individual Allocation
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3162
  // 1) the UseLargePagesIndividualAllocation flag is set (set by default on WS2003)
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3163
  // 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
  3164
  if (UseLargePagesIndividualAllocation || UseNUMAInterleaving) {
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3165
    if (TracePageSizes && Verbose) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3166
      tty->print_cr("Reserving large pages individually.");
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3167
    }
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3168
    char * p_buf = allocate_pages_individually(bytes, addr, flags, prot, LargePagesIndividualAllocationInjectError);
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3169
    if (p_buf == NULL) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3170
      // give an appropriate warning message
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3171
      if (UseNUMAInterleaving) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3172
        warning("NUMA large page allocation failed, UseLargePages flag ignored");
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3173
      }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3174
      if (UseLargePagesIndividualAllocation) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3175
        warning("Individually allocated large pages failed, "
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3176
                "use -XX:-UseLargePagesIndividualAllocation to turn off");
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3177
      }
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3178
      return NULL;
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3179
    }
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3180
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3181
    return p_buf;
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3182
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3183
  } else {
19981
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  3184
    if (TracePageSizes && Verbose) {
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3185
      tty->print_cr("Reserving large pages in a single large chunk.");
19981
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  3186
    }
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3187
    // 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
  3188
    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
  3189
    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
  3190
    if (res != NULL) {
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 25719
diff changeset
  3191
      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
  3192
    }
f256c20146f4 8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
zgu
parents: 15733
diff changeset
  3193
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3194
    return res;
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3195
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3196
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3197
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3198
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
  3199
  assert(base != NULL, "Sanity check");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3200
  return release_memory(base, bytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3201
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3202
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3203
void os::print_statistics() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3204
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3205
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3206
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
  3207
  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
  3208
  char buf[256];
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3209
  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
  3210
  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
  3211
          ", %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
  3212
          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
  3213
}
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3214
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3215
bool os::pd_commit_memory(char* addr, size_t bytes, bool exec) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3216
  if (bytes == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3217
    // Don't bother the OS with noops.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3218
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3219
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3220
  assert((size_t) addr % os::vm_page_size() == 0, "commit on page boundaries");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3221
  assert(bytes % os::vm_page_size() == 0, "commit in page-sized chunks");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3222
  // Don't attempt to print anything if the OS call fails. We're
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3223
  // probably low on resources, so the print itself may cause crashes.
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3224
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3225
  // unless we have NUMAInterleaving enabled, the range of a commit
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3226
  // is always within a reserve covered by a single VirtualAlloc
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3227
  // in that case we can just do a single commit for the requested size
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3228
  if (!UseNUMAInterleaving) {
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3229
    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
  3230
      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
  3231
      return false;
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3232
    }
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3233
    if (exec) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3234
      DWORD oldprot;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3235
      // 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
  3236
      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
  3237
        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
  3238
        return false;
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3239
      }
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3240
    }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3241
    return true;
2268
bea8be80ec88 6541756: Reduce executable C-heap
coleenp
parents: 2259
diff changeset
  3242
  } else {
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3243
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3244
    // when NUMAInterleaving is enabled, the commit might cover a range that
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3245
    // came from multiple VirtualAlloc reserves (using allocate_pages_individually).
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3246
    // VirtualQuery can help us determine that.  The RegionSize that VirtualQuery
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3247
    // returns represents the number of bytes that can be committed in one step.
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3248
    size_t bytes_remaining = bytes;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3249
    char * next_alloc_addr = addr;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3250
    while (bytes_remaining > 0) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3251
      MEMORY_BASIC_INFORMATION alloc_info;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3252
      VirtualQuery(next_alloc_addr, &alloc_info, sizeof(alloc_info));
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3253
      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
  3254
      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
  3255
                       PAGE_READWRITE) == NULL) {
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3256
        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
  3257
                                            exec);)
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3258
        return false;
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3259
      }
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3260
      if (exec) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3261
        DWORD oldprot;
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3262
        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
  3263
                            PAGE_EXECUTE_READWRITE, &oldprot)) {
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3264
          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
  3265
                                              exec);)
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3266
          return false;
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3267
        }
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3268
      }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3269
      bytes_remaining -= bytes_to_rq;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3270
      next_alloc_addr += bytes_to_rq;
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3271
    }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3272
  }
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3273
  // if we made it this far, return true
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  3274
  return true;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3275
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3276
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3277
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
  3278
                          bool exec) {
18069
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3279
  // 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
  3280
  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
  3281
}
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3282
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3283
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
  3284
                                  const char* mesg) {
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3285
  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
  3286
  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
  3287
    warn_fail_commit_memory(addr, size, exec);
33105
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 32748
diff changeset
  3288
    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
  3289
  }
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3290
}
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3291
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3292
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
  3293
                                  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
  3294
                                  const char* mesg) {
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3295
  // 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
  3296
  pd_commit_memory_or_exit(addr, size, exec, mesg);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3297
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3298
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3299
bool os::pd_uncommit_memory(char* addr, size_t bytes) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3300
  if (bytes == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3301
    // Don't bother the OS with noops.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3302
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3303
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3304
  assert((size_t) addr % os::vm_page_size() == 0, "uncommit on page boundaries");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3305
  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
  3306
  return (VirtualFree(addr, bytes, MEM_DECOMMIT) != 0);
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3307
}
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3308
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3309
bool os::pd_release_memory(char* addr, size_t bytes) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3310
  return VirtualFree(addr, 0, MEM_RELEASE) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3311
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3312
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3313
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
  3314
  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
  3315
}
4f0c435f8c3c 6929067: Stack guard pages should be removed when thread is detached
coleenp
parents: 4763
diff changeset
  3316
4f0c435f8c3c 6929067: Stack guard pages should be removed when thread is detached
coleenp
parents: 4763
diff changeset
  3317
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
  3318
  return os::uncommit_memory(addr, size);
4f0c435f8c3c 6929067: Stack guard pages should be removed when thread is detached
coleenp
parents: 4763
diff changeset
  3319
}
4f0c435f8c3c 6929067: Stack guard pages should be removed when thread is detached
coleenp
parents: 4763
diff changeset
  3320
35462
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3321
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
  3322
  uint count = 0;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3323
  bool ret = false;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3324
  size_t bytes_remaining = bytes;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3325
  char * next_protect_addr = addr;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3326
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3327
  // 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
  3328
  while (bytes_remaining) {
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3329
    MEMORY_BASIC_INFORMATION alloc_info;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3330
    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
  3331
      return false;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3332
    }
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3333
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3334
    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
  3335
    // 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
  3336
    // 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
  3337
    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
  3338
    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
  3339
    if (!ret) {
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3340
      return false;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3341
    }
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3342
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3343
    bytes_remaining -= bytes_to_protect;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3344
    next_protect_addr += bytes_to_protect;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3345
    count++;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3346
  }
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3347
  return ret;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3348
}
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3349
823
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3350
// Set protections specified
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3351
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
  3352
                        bool is_committed) {
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3353
  unsigned int p = 0;
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3354
  switch (prot) {
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3355
  case MEM_PROT_NONE: p = PAGE_NOACCESS; break;
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3356
  case MEM_PROT_READ: p = PAGE_READONLY; break;
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3357
  case MEM_PROT_RW:   p = PAGE_READWRITE; break;
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3358
  case MEM_PROT_RWX:  p = PAGE_EXECUTE_READWRITE; break;
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3359
  default:
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3360
    ShouldNotReachHere();
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3361
  }
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3362
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3363
  DWORD old_status;
823
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3364
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3365
  // 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
  3366
  // 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
  3367
  if (!is_committed) {
e6d4971c8650 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents: 18025
diff changeset
  3368
    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
  3369
                          "cannot commit protection page");
823
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3370
  }
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3371
  // 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
  3372
  // have different (one-shot) semantics, from MSDN on PAGE_GUARD:
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3373
  //
9a5271881bc0 6716785: implicit null checks not triggering with CompressedOops
coleenp
parents: 670
diff changeset
  3374
  // 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
  3375
  // 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
  3376
  // 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
  3377
  bool ret;
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3378
  if (UseNUMAInterleaving) {
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3379
    // 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
  3380
    // 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
  3381
    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
  3382
  } else {
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3383
    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
  3384
  }
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3385
#ifdef ASSERT
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3386
  if (!ret) {
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3387
    int err = os::get_last_error();
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3388
    char buf[256];
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3389
    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
  3390
    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
  3391
          ") 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
  3392
          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
  3393
  }
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3394
#endif
a1bed49c67a8 8145000: TestOptionsWithRanges.java failure for XX:+UseNUMA -XX:+UseNUMAInterleaving -XX:NUMAInterleaveGranularity=65536
sangheki
parents: 35212
diff changeset
  3395
  return ret;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3396
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3397
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3398
bool os::guard_memory(char* addr, size_t bytes) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3399
  DWORD old_status;
1664
fc9ed50498fb 6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents: 1620
diff changeset
  3400
  return VirtualProtect(addr, bytes, PAGE_READWRITE | PAGE_GUARD, &old_status) != 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3401
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3402
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3403
bool os::unguard_memory(char* addr, size_t bytes) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3404
  DWORD old_status;
1664
fc9ed50498fb 6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents: 1620
diff changeset
  3405
  return VirtualProtect(addr, bytes, PAGE_READWRITE, &old_status) != 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3406
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3407
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  3408
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
  3409
void os::pd_free_memory(char *addr, size_t bytes, size_t alignment_hint) { }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3410
void os::numa_make_global(char *addr, size_t bytes)    { }
388
bcc631c5bbec 6684395: Port NUMA-aware allocator to linux
iveresov
parents: 252
diff changeset
  3411
void os::numa_make_local(char *addr, size_t bytes, int lgrp_hint)    { }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3412
bool os::numa_topology_changed()                       { return false; }
10527
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3413
size_t os::numa_get_groups_num()                       { return MAX2(numa_node_list_holder.get_count(), 1); }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3414
int os::numa_get_group_id()                            { return 0; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3415
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
  3416
  if (numa_node_list_holder.get_count() == 0 && size > 0) {
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3417
    // Provide an answer for UMA systems
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3418
    ids[0] = 0;
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3419
    return 1;
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3420
  } else {
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3421
    // check for size bigger than actual groups_num
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3422
    size = MIN2(size, numa_get_groups_num());
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3423
    for (int i = 0; i < (int)size; i++) {
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3424
      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
  3425
    }
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3426
    return size;
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  3427
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3428
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3429
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3430
bool os::get_page_info(char *start, page_info* info) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3431
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3432
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3433
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3434
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
  3435
                     page_info* page_found) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3436
  return end;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3437
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3438
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3439
char* os::non_memory_address_word() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3440
  // Must never look like an address returned by reserve_memory,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3441
  // even in its subfields (as defined by the CPU immediate fields,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3442
  // if the CPU splits constants across multiple instructions).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3443
  return (char*)-1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3444
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3445
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3446
#define MAX_ERROR_COUNT 100
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3447
#define SYS_THREAD_ERROR 0xffffffffUL
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3448
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3449
void os::pd_start_thread(Thread* thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3450
  DWORD ret = ResumeThread(thread->osthread()->thread_handle());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3451
  // Returns previous suspend state:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3452
  // 0:  Thread was not suspended
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3453
  // 1:  Thread is running now
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3454
  // >1: Thread is still suspended.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3455
  assert(ret != SYS_THREAD_ERROR, "StartThread failed"); // should propagate back
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3456
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3457
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17128
diff changeset
  3458
class HighResolutionInterval : public CHeapObj<mtThread> {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3459
  // The default timer resolution seems to be 10 milliseconds.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3460
  // (Where is this written down?)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3461
  // If someone wants to sleep for only a fraction of the default,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3462
  // then we set the timer resolution down to 1 millisecond for
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3463
  // the duration of their interval.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3464
  // We carefully set the resolution back, since otherwise we
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3465
  // seem to incur an overhead (3%?) that we don't need.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3466
  // CONSIDER: if ms is small, say 3, then we should run with a high resolution time.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3467
  // Buf if ms is large, say 500, or 503, we should avoid the call to timeBeginPeriod().
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3468
  // Alternatively, we could compute the relative error (503/500 = .6%) and only use
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3469
  // timeBeginPeriod() if the relative error exceeded some threshold.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3470
  // timeBeginPeriod() has been linked to problems with clock drift on win32 systems and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3471
  // to decreased efficiency related to increased timer "tick" rates.  We want to minimize
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3472
  // (a) calls to timeBeginPeriod() and timeEndPeriod() and (b) time spent with high
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3473
  // 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
  3474
 private:
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3475
  jlong resolution;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3476
 public:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3477
  HighResolutionInterval(jlong ms) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3478
    resolution = ms % 10L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3479
    if (resolution != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3480
      MMRESULT result = timeBeginPeriod(1L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3481
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3482
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3483
  ~HighResolutionInterval() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3484
    if (resolution != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3485
      MMRESULT result = timeEndPeriod(1L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3486
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3487
    resolution = 0L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3488
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3489
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3490
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3491
int os::sleep(Thread* thread, jlong ms, bool interruptable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3492
  jlong limit = (jlong) MAXDWORD;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3493
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3494
  while (ms > limit) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3495
    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
  3496
    if ((res = sleep(thread, limit, interruptable)) != OS_TIMEOUT) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3497
      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
  3498
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3499
    ms -= limit;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3500
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3501
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3502
  assert(thread == Thread::current(), "thread consistency check");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3503
  OSThread* osthread = thread->osthread();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3504
  OSThreadWaitState osts(osthread, false /* not Object.wait() */);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3505
  int result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3506
  if (interruptable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3507
    assert(thread->is_Java_thread(), "must be java thread");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3508
    JavaThread *jt = (JavaThread *) thread;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3509
    ThreadBlockInVM tbivm(jt);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3510
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3511
    jt->set_suspend_equivalent();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3512
    // cleared by handle_special_suspend_equivalent_condition() or
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3513
    // java_suspend_self() via check_and_wait_while_suspended()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3514
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3515
    HANDLE events[1];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3516
    events[0] = osthread->interrupt_event();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3517
    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
  3518
    if (!ForceTimeHighResolution) {
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3519
      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
  3520
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3521
    if (WaitForMultipleObjects(1, events, FALSE, (DWORD)ms) == WAIT_TIMEOUT) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3522
      result = OS_TIMEOUT;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3523
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3524
      ResetEvent(osthread->interrupt_event());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3525
      osthread->set_interrupted(false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3526
      result = OS_INTRPT;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3527
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3528
    delete phri; //if it is NULL, harmless
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3529
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3530
    // were we externally suspended while we were waiting?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3531
    jt->check_and_wait_while_suspended();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3532
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3533
    assert(!thread->is_Java_thread(), "must not be java thread");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3534
    Sleep((long) ms);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3535
    result = OS_TIMEOUT;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3536
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3537
  return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3538
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3539
22533
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3540
// Short sleep, direct OS call.
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3541
//
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3542
// 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
  3543
//
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3544
void os::naked_short_sleep(jlong ms) {
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3545
  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
  3546
  Sleep(ms);
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3547
}
76088853a2eb 8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents: 22487
diff changeset
  3548
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3549
// Sleep forever; naked call to OS-specific sleep; use with CAUTION
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3550
void os::infinite_sleep() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3551
  while (true) {    // sleep forever ...
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3552
    Sleep(100000);  // ... 100 seconds at a time
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3553
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3554
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3555
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3556
typedef BOOL (WINAPI * STTSignature)(void);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3557
25477
7dad9f95fd31 8047714: Fix for JDK-6546236 made Solaris os::yield() a no-op
fparain
parents: 25472
diff changeset
  3558
void os::naked_yield() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3559
  // Consider passing back the return value from SwitchToThread().
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  3560
  SwitchToThread();
25477
7dad9f95fd31 8047714: Fix for JDK-6546236 made Solaris os::yield() a no-op
fparain
parents: 25472
diff changeset
  3561
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3562
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3563
// Win32 only gives you access to seven real priorities at a time,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3564
// so we compress Java's ten down to seven.  It would be better
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3565
// if we dynamically adjusted relative priorities.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3566
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11483
diff changeset
  3567
int os::java_to_os_priority[CriticalPriority + 1] = {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3568
  THREAD_PRIORITY_IDLE,                         // 0  Entry should never be used
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3569
  THREAD_PRIORITY_LOWEST,                       // 1  MinPriority
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3570
  THREAD_PRIORITY_LOWEST,                       // 2
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3571
  THREAD_PRIORITY_BELOW_NORMAL,                 // 3
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3572
  THREAD_PRIORITY_BELOW_NORMAL,                 // 4
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3573
  THREAD_PRIORITY_NORMAL,                       // 5  NormPriority
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3574
  THREAD_PRIORITY_NORMAL,                       // 6
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3575
  THREAD_PRIORITY_ABOVE_NORMAL,                 // 7
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3576
  THREAD_PRIORITY_ABOVE_NORMAL,                 // 8
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3577
  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
  3578
  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
  3579
  THREAD_PRIORITY_HIGHEST                       // 11 CriticalPriority
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3580
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3581
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11483
diff changeset
  3582
int prio_policy1[CriticalPriority + 1] = {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3583
  THREAD_PRIORITY_IDLE,                         // 0  Entry should never be used
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3584
  THREAD_PRIORITY_LOWEST,                       // 1  MinPriority
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3585
  THREAD_PRIORITY_LOWEST,                       // 2
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3586
  THREAD_PRIORITY_BELOW_NORMAL,                 // 3
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3587
  THREAD_PRIORITY_BELOW_NORMAL,                 // 4
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3588
  THREAD_PRIORITY_NORMAL,                       // 5  NormPriority
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3589
  THREAD_PRIORITY_ABOVE_NORMAL,                 // 6
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3590
  THREAD_PRIORITY_ABOVE_NORMAL,                 // 7
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3591
  THREAD_PRIORITY_HIGHEST,                      // 8
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3592
  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
  3593
  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
  3594
  THREAD_PRIORITY_TIME_CRITICAL                 // 11 CriticalPriority
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3595
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3596
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3597
static int prio_init() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3598
  // If ThreadPriorityPolicy is 1, switch tables
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3599
  if (ThreadPriorityPolicy == 1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3600
    int i;
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11483
diff changeset
  3601
    for (i = 0; i < CriticalPriority + 1; i++) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3602
      os::java_to_os_priority[i] = prio_policy1[i];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3603
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3604
  }
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11483
diff changeset
  3605
  if (UseCriticalJavaThreadPriority) {
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3606
    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
  3607
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3608
  return 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3609
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3610
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3611
OSReturn os::set_native_priority(Thread* thread, int priority) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3612
  if (!UseThreadPriorities) return OS_OK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3613
  bool ret = SetThreadPriority(thread->osthread()->thread_handle(), priority) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3614
  return ret ? OS_OK : OS_ERR;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3615
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3616
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3617
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
  3618
                                 int* priority_ptr) {
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3619
  if (!UseThreadPriorities) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3620
    *priority_ptr = java_to_os_priority[NormPriority];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3621
    return OS_OK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3622
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3623
  int os_prio = GetThreadPriority(thread->osthread()->thread_handle());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3624
  if (os_prio == THREAD_PRIORITY_ERROR_RETURN) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3625
    assert(false, "GetThreadPriority failed");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3626
    return OS_ERR;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3627
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3628
  *priority_ptr = os_prio;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3629
  return OS_OK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3630
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3631
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3632
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3633
// Hint to the underlying OS that a task switch would not be good.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3634
// Void return because it's a hint and can fail.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3635
void os::hint_no_preempt() {}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3636
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3637
void os::interrupt(Thread* thread) {
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3638
  assert(!thread->is_Java_thread() || Thread::current() == thread ||
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3639
         Threads_lock->owned_by_self(),
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3640
         "possibility of dangling Thread pointer");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3641
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3642
  OSThread* osthread = thread->osthread();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3643
  osthread->set_interrupted(true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3644
  // More than one thread can get here with the same value of osthread,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3645
  // resulting in multiple notifications.  We do, however, want the store
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3646
  // to interrupted() to be visible to other threads before we post
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3647
  // the interrupt event.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3648
  OrderAccess::release();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3649
  SetEvent(osthread->interrupt_event());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3650
  // 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
  3651
  if (thread->is_Java_thread()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3652
    ((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
  3653
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3654
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3655
  ParkEvent * ev = thread->_ParkEvent;
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3656
  if (ev != NULL) ev->unpark();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3657
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3658
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3659
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3660
bool os::is_interrupted(Thread* thread, bool clear_interrupted) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3661
  assert(!thread->is_Java_thread() || Thread::current() == thread || Threads_lock->owned_by_self(),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3662
         "possibility of dangling Thread pointer");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3663
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3664
  OSThread* osthread = thread->osthread();
8735
9829dda3b405 6535709: interrupt of wait()ing thread isn't triggerring InterruptedException - test intwait3
dholmes
parents: 8480
diff changeset
  3665
  // 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
  3666
  // 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
  3667
  // 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
  3668
  // 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
  3669
  // 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
  3670
  // depending on the timing. By checking thread interrupt event to see
d3073ac441cc 6498581: ThreadInterruptTest3 produces wrong output on Windows
minqi
parents: 22891
diff changeset
  3671
  // if the thread gets real interrupt thus prevent spurious wakeup.
d3073ac441cc 6498581: ThreadInterruptTest3 produces wrong output on Windows
minqi
parents: 22891
diff changeset
  3672
  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
  3673
  if (interrupted && clear_interrupted) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3674
    osthread->set_interrupted(false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3675
    ResetEvent(osthread->interrupt_event());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3676
  } // Otherwise leave the interrupted state alone
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3677
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3678
  return interrupted;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3679
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3680
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3681
// Get's a pc (hint) for a running thread. Currently used only for profiling.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3682
ExtendedPC os::get_thread_pc(Thread* thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3683
  CONTEXT context;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3684
  context.ContextFlags = CONTEXT_CONTROL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3685
  HANDLE handle = thread->osthread()->thread_handle();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3686
#ifdef _M_IA64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3687
  assert(0, "Fix get_thread_pc");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3688
  return ExtendedPC(NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3689
#else
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3690
  if (GetThreadContext(handle, &context)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3691
#ifdef _M_AMD64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3692
    return ExtendedPC((address) context.Rip);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3693
#else
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3694
    return ExtendedPC((address) context.Eip);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3695
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3696
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3697
    return ExtendedPC(NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3698
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3699
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3700
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3701
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3702
// 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
  3703
intx os::current_thread_id()  { return GetCurrentThreadId(); }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3704
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3705
static int _initial_pid = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3706
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3707
int os::current_process_id() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3708
  return (_initial_pid ? _initial_pid : _getpid());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3709
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3710
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3711
int    os::win32::_vm_page_size              = 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3712
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
  3713
int    os::win32::_processor_type            = 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3714
// 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
  3715
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
  3716
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
  3717
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
  3718
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3719
intx          os::win32::_os_thread_limit    = 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3720
volatile intx os::win32::_os_thread_count    = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3721
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3722
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
  3723
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3724
// 6573254
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3725
// 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
  3726
// including the latest one (as of this writing - Windows Server 2012 R2)
26685
dcubed
parents: 26682 26684
diff changeset
  3727
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
  3728
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3729
void os::win32::initialize_system_info() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3730
  SYSTEM_INFO si;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3731
  GetSystemInfo(&si);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3732
  _vm_page_size    = si.dwPageSize;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3733
  _vm_allocation_granularity = si.dwAllocationGranularity;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3734
  _processor_type  = si.dwProcessorType;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3735
  _processor_level = si.wProcessorLevel;
4493
9204129f065e 6843629: Make current hotspot build part of jdk5 control build
phh
parents: 3809
diff changeset
  3736
  set_processor_count(si.dwNumberOfProcessors);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3737
3577
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  3738
  MEMORYSTATUSEX ms;
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  3739
  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
  3740
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3741
  // also returns dwAvailPhys (free physical memory bytes), dwTotalVirtual, dwAvailVirtual,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3742
  // 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
  3743
  GlobalMemoryStatusEx(&ms);
488338f3a402 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
poonam
parents: 2561
diff changeset
  3744
  _physical_memory = ms.ullTotalPhys;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3745
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  3746
  OSVERSIONINFOEX oi;
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  3747
  oi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  3748
  GetVersionEx((OSVERSIONINFO*)&oi);
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  3749
  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
  3750
  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
  3751
    {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3752
      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
  3753
      if (oi.wProductType == VER_NT_DOMAIN_CONTROLLER ||
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 7901
diff changeset
  3754
          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
  3755
        _is_windows_server = true;
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  3756
      }
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3757
    }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3758
    break;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  3759
  default: fatal("Unknown platform");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3760
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3761
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3762
  _default_stack_size = os::current_stack_size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3763
  assert(_default_stack_size > (size_t) _vm_page_size, "invalid stack size");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3764
  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
  3765
         "stack size not a multiple of page size");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3766
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3767
  initialize_performance_counter();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3768
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3769
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3770
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  3771
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
  3772
                                      int ebuflen) {
10246
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3773
  char path[MAX_PATH];
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3774
  DWORD size;
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3775
  DWORD pathLen = (DWORD)sizeof(path);
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3776
  HINSTANCE result = NULL;
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3777
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3778
  // 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
  3779
  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
  3780
  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
  3781
  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
  3782
    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
  3783
                 "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
  3784
    return NULL;
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3785
  }
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3786
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3787
  // search system directory
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3788
  if ((size = GetSystemDirectory(path, pathLen)) > 0) {
27471
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3789
    if (size >= pathLen) {
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3790
      return NULL; // truncated
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3791
    }
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3792
    if (jio_snprintf(path + size, pathLen - size, "\\%s", name) == -1) {
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3793
      return NULL; // truncated
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3794
    }
10246
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3795
    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
  3796
      return result;
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3797
    }
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3798
  }
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3799
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3800
  // try Windows directory
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3801
  if ((size = GetWindowsDirectory(path, pathLen)) > 0) {
27471
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3802
    if (size >= pathLen) {
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3803
      return NULL; // truncated
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3804
    }
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3805
    if (jio_snprintf(path + size, pathLen - size, "\\%s", name) == -1) {
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3806
      return NULL; // truncated
6e56277909f1 8062370: Various minor code improvements
goetz
parents: 27467
diff changeset
  3807
    }
10246
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3808
    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
  3809
      return result;
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3810
    }
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3811
  }
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3812
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3813
  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
  3814
               "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
  3815
  return NULL;
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3816
}
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  3817
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3818
#define MAXIMUM_THREADS_TO_KEEP (16 * MAXIMUM_WAIT_OBJECTS)
30863
6a99d43b04e5 8069068: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 30252
diff changeset
  3819
#define EXIT_TIMEOUT 300000 /* 5 minutes */
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3820
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3821
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
  3822
  InitializeCriticalSection((CRITICAL_SECTION*)pcrit_sect);
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3823
  return TRUE;
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3824
}
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3825
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3826
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
  3827
  // Basic approach:
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3828
  //  - 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
  3829
  //  - 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
  3830
  //    threads currently exiting to complete their exit.
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3831
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3832
  if (os::win32::has_exit_bug()) {
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3833
    // 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
  3834
    // _endthreadex().
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3835
    // 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
  3836
    // a free slot.
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3837
    static HANDLE handles[MAXIMUM_THREADS_TO_KEEP];
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3838
    static int handle_count = 0;
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3839
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3840
    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
  3841
    static CRITICAL_SECTION crit_sect;
28627
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3842
    static volatile jint process_exiting = 0;
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3843
    int i, j;
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3844
    DWORD res;
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3845
    HANDLE hproc, hthr;
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3846
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3847
    // 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
  3848
    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
  3849
      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
  3850
    } else if (OrderAccess::load_acquire(&process_exiting) == 0) {
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3851
      if (what != EPT_THREAD) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3852
        // Atomically set process_exiting before the critical section
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3853
        // to increase the visibility between racing threads.
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3854
        Atomic::cmpxchg((jint)GetCurrentThreadId(), &process_exiting, 0);
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3855
      }
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3856
      EnterCriticalSection(&crit_sect);
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3857
28627
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3858
      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
  3859
        // 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
  3860
        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
  3861
          res = WaitForSingleObject(handles[i], 0 /* don't wait */);
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3862
          if (res == WAIT_TIMEOUT) {
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3863
            handles[j++] = handles[i];
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3864
          } else {
28165
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3865
            if (res == WAIT_FAILED) {
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3866
              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
  3867
                      GetLastError(), __FILE__, __LINE__);
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3868
            }
28165
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3869
            // 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
  3870
            CloseHandle(handles[i]);
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
        }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3873
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3874
        // 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
  3875
        // wait until at least one thread completes exiting.
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3876
        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
  3877
          // 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
  3878
          // to complete sooner.
60cce297ef8e 8064694: Kitchensink: WaitForMultipleObjects failed in hotspot\src\os\windows\vm\os_windows.cpp: 3844
igerasim
parents: 27474
diff changeset
  3879
          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
  3880
          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
  3881
          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
  3882
            i = (res - WAIT_OBJECT_0);
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3883
            handle_count = MAXIMUM_THREADS_TO_KEEP - 1;
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3884
            for (; i < handle_count; ++i) {
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3885
              handles[i] = handles[i + 1];
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3886
            }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3887
          } else {
28165
ffeee11192a9 8066863: bigapps/runThese/nowarnings fails: Java HotSpot(TM) 64-Bit Server VM warning: WaitForMultipleObjects
igerasim
parents: 28023
diff changeset
  3888
            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
  3889
                    (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
  3890
                    GetLastError(), __FILE__, __LINE__);
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3891
            // Don't keep handles, if we failed waiting for them.
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3892
            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
  3893
              CloseHandle(handles[i]);
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3894
            }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3895
            handle_count = 0;
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3896
          }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3897
        }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3898
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3899
        // 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
  3900
        hproc = GetCurrentProcess();
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3901
        hthr = GetCurrentThread();
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3902
        if (!DuplicateHandle(hproc, hthr, hproc, &handles[handle_count],
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3903
                             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
  3904
          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
  3905
                  GetLastError(), __FILE__, __LINE__);
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3906
        } else {
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3907
          ++handle_count;
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3908
        }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3909
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3910
        // The current exiting thread has stored its handle in the array, and now
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3911
        // should leave the critical section before calling _endthreadex().
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3912
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3913
      } else if (what != EPT_THREAD && handle_count > 0) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3914
        jlong start_time, finish_time, timeout_left;
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3915
        // 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
  3916
        // _endthreadex() completed.
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3917
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3918
        // 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
  3919
        // the priority level of exiting threads.
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3920
        // 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
  3921
        // the timeout expires.
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3922
        hthr = GetCurrentThread();
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3923
        SetThreadPriority(hthr, THREAD_PRIORITY_ABOVE_NORMAL);
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3924
        start_time = os::javaTimeNanos();
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3925
        finish_time = start_time + ((jlong)EXIT_TIMEOUT * 1000000L);
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3926
        for (i = 0; ; ) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3927
          int portion_count = handle_count - i;
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3928
          if (portion_count > MAXIMUM_WAIT_OBJECTS) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3929
            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
  3930
          }
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3931
          for (j = 0; j < portion_count; ++j) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3932
            SetThreadPriority(handles[i + j], THREAD_PRIORITY_ABOVE_NORMAL);
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3933
          }
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3934
          timeout_left = (finish_time - start_time) / 1000000L;
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3935
          if (timeout_left < 0) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3936
            timeout_left = 0;
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3937
          }
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3938
          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
  3939
          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
  3940
            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
  3941
                    (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
  3942
                    GetLastError(), __FILE__, __LINE__);
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3943
            // Reset portion_count so we close the remaining
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3944
            // handles due to this error.
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3945
            portion_count = handle_count - i;
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3946
          }
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3947
          for (j = 0; j < portion_count; ++j) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3948
            CloseHandle(handles[i + j]);
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3949
          }
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3950
          if ((i += portion_count) >= handle_count) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3951
            break;
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3952
          }
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3953
          start_time = os::javaTimeNanos();
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3954
        }
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3955
        handle_count = 0;
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3956
      }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3957
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3958
      LeaveCriticalSection(&crit_sect);
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3959
    }
28627
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3960
35487
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3961
    if (OrderAccess::load_acquire(&process_exiting) != 0 &&
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3962
        process_exiting != (jint)GetCurrentThreadId()) {
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3963
      // Some other thread is about to call exit(), so we
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3964
      // don't let the current thread proceed to exit() or _endthreadex()
7c043e468890 8145127: VM warning: WaitForMultipleObjects timed out (0) ...
igerasim
parents: 35462
diff changeset
  3965
      while (true) {
28627
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3966
        SuspendThread(GetCurrentThread());
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3967
        // Avoid busy-wait loop, if SuspendThread() failed.
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3968
        Sleep(EXIT_TIMEOUT);
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3969
      }
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3970
    }
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3971
  }
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3972
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3973
  // We are here if either
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3974
  // - 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
  3975
  // - initialization of the critical section failed (unlikely);
28627
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3976
  // - the current thread has stored its handle and left the critical section;
b594f06af8ce 8069048: (process) Suspend finishing threads when process exits [win]
igerasim
parents: 28165
diff changeset
  3977
  // - 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
  3978
  if (what == EPT_THREAD) {
26685
dcubed
parents: 26682 26684
diff changeset
  3979
    _endthreadex((unsigned)exit_code);
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3980
  } else if (what == EPT_PROCESS) {
26685
dcubed
parents: 26682 26684
diff changeset
  3981
    ::exit(exit_code);
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3982
  } else {
26685
dcubed
parents: 26682 26684
diff changeset
  3983
    _exit(exit_code);
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3984
  }
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3985
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3986
  // Should not reach here
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3987
  return exit_code;
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3988
}
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3989
27459
7fce477785a3 8059533: (process) Make exiting process wait for exiting threads [win]
igerasim
parents: 27458
diff changeset
  3990
#undef EXIT_TIMEOUT
26682
f339669ba825 8057744: (process) Synchronize exiting of threads and process [win]
igerasim
parents: 26569
diff changeset
  3991
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3992
void os::win32::setmode_streams() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3993
  _setmode(_fileno(stdin), _O_BINARY);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3994
  _setmode(_fileno(stdout), _O_BINARY);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3995
  _setmode(_fileno(stderr), _O_BINARY);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3996
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3997
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3998
8476
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  3999
bool os::is_debugger_attached() {
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  4000
  return IsDebuggerPresent() ? true : false;
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  4001
}
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  4002
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  4003
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  4004
void os::wait_for_keypress_at_exit(void) {
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  4005
  if (PauseAtExit) {
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  4006
    fprintf(stderr, "Press any key to continue...\n");
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  4007
    fgetc(stdin);
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  4008
  }
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  4009
}
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  4010
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8120
diff changeset
  4011
34305
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  4012
bool os::message_box(const char* title, const char* message) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4013
  int result = MessageBox(NULL, message, title,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4014
                          MB_YESNO | MB_ICONERROR | MB_SYSTEMMODAL | MB_DEFAULT_DESKTOP_ONLY);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4015
  return result == IDYES;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4016
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4017
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4018
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4019
#ifndef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4020
// Helpers to check whether NX protection is enabled
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4021
int nx_exception_filter(_EXCEPTION_POINTERS *pex) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4022
  if (pex->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4023
      pex->ExceptionRecord->NumberParameters > 0 &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4024
      pex->ExceptionRecord->ExceptionInformation[0] ==
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4025
      EXCEPTION_INFO_EXEC_VIOLATION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4026
    return EXCEPTION_EXECUTE_HANDLER;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4027
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4028
  return EXCEPTION_CONTINUE_SEARCH;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4029
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4030
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4031
void nx_check_protection() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4032
  // If NX is enabled we'll get an exception calling into code on the stack
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4033
  char code[] = { (char)0xC3 }; // ret
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4034
  void *code_ptr = (void *)code;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4035
  __try {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4036
    __asm call code_ptr
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4037
  } __except(nx_exception_filter((_EXCEPTION_POINTERS*)_exception_info())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4038
    tty->print_raw_cr("NX protection detected.");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4039
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4040
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4041
#endif // _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4042
#endif // PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4043
35201
996db89f378e 8139864: Improve handling of stack protection zones.
goetz
parents: 35176
diff changeset
  4044
// This is called _before_ the global arguments have been parsed
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4045
void os::init(void) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4046
  _initial_pid = _getpid();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4047
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4048
  init_random(1234567);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4049
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4050
  win32::initialize_system_info();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4051
  win32::setmode_streams();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4052
  init_page_sizes((size_t) win32::vm_page_size());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4053
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1388
diff changeset
  4054
  // 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
  4055
  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
  4056
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4057
  // Initialize main_process and main_thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4058
  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
  4059
  if (!DuplicateHandle(main_process, GetCurrentThread(), main_process,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4060
                       &main_thread, THREAD_ALL_ACCESS, false, 0)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4061
    fatal("DuplicateHandle failed\n");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4062
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4063
  main_thread_id = (int) GetCurrentThreadId();
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  4064
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  4065
  // 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
  4066
  win32::initialize_thread_ptr_offset();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4067
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4068
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4069
// To install functions for atexit processing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4070
extern "C" {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4071
  static void perfMemory_exit_helper() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4072
    perfMemory_exit();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4073
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4074
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4075
16623
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  4076
static jint initSock();
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  4077
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4078
// this is called _after_ the global arguments have been parsed
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4079
jint os::init_2(void) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4080
  // Allocate a single page and mark it as readable for safepoint polling
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4081
  address polling_page = (address)VirtualAlloc(NULL, os::vm_page_size(), MEM_RESERVE, PAGE_READONLY);
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  4082
  guarantee(polling_page != NULL, "Reserve Failed for polling page");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4083
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4084
  address return_page  = (address)VirtualAlloc(polling_page, os::vm_page_size(), MEM_COMMIT, PAGE_READONLY);
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  4085
  guarantee(return_page != NULL, "Commit Failed for polling page");
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  4086
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  4087
  os::set_polling_page(polling_page);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4088
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4089
#ifndef PRODUCT
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4090
  if (Verbose && PrintMiscellaneous) {
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4091
    tty->print("[SafePoint Polling address: " INTPTR_FORMAT "]\n",
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4092
               (intptr_t)polling_page);
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4093
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4094
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4095
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4096
  if (!UseMembar) {
2268
bea8be80ec88 6541756: Reduce executable C-heap
coleenp
parents: 2259
diff changeset
  4097
    address mem_serialize_page = (address)VirtualAlloc(NULL, os::vm_page_size(), MEM_RESERVE, PAGE_READWRITE);
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  4098
    guarantee(mem_serialize_page != NULL, "Reserve Failed for memory serialize page");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4099
2268
bea8be80ec88 6541756: Reduce executable C-heap
coleenp
parents: 2259
diff changeset
  4100
    return_page  = (address)VirtualAlloc(mem_serialize_page, os::vm_page_size(), MEM_COMMIT, PAGE_READWRITE);
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  4101
    guarantee(return_page != NULL, "Commit Failed for memory serialize page");
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  4102
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  4103
    os::set_memory_serialize_page(mem_serialize_page);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4104
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4105
#ifndef PRODUCT
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4106
    if (Verbose && PrintMiscellaneous) {
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4107
      tty->print("[Memory Serialize  Page address: " INTPTR_FORMAT "]\n",
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4108
                 (intptr_t)mem_serialize_page);
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4109
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4110
#endif
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  4111
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4112
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4113
  // Setup Windows Exceptions
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4114
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4115
  // for debugging float code generation bugs
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4116
  if (ForceFloatExceptions) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4117
#ifndef  _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4118
    static long fp_control_word = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4119
    __asm { fstcw fp_control_word }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4120
    // see Intel PPro Manual, Vol. 2, p 7-16
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4121
    const long precision = 0x20;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4122
    const long underflow = 0x10;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4123
    const long overflow  = 0x08;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4124
    const long zero_div  = 0x04;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4125
    const long denorm    = 0x02;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4126
    const long invalid   = 0x01;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4127
    fp_control_word |= invalid;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4128
    __asm { fldcw fp_control_word }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4129
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4130
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4131
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4132
  // If stack_commit_size is 0, windows will reserve the default size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4133
  // but only commit a small portion of it.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4134
  size_t stack_commit_size = round_to(ThreadStackSize*K, os::vm_page_size());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4135
  size_t default_reserve_size = os::win32::default_stack_size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4136
  size_t actual_reserve_size = stack_commit_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4137
  if (stack_commit_size < default_reserve_size) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4138
    // If stack_commit_size == 0, we want this too
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4139
    actual_reserve_size = default_reserve_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4140
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4141
6964
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4142
  // 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
  4143
  // the java system classes, including StackOverflowError - depends on page
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4144
  // size.  Add a page for compiler2 recursion in main thread.
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4145
  // Add in 2*BytesPerWord times page size to account for VM stack during
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4146
  // class initialization depending on 32 or 64 bit VM.
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4147
  size_t min_stack_allowed =
35201
996db89f378e 8139864: Improve handling of stack protection zones.
goetz
parents: 35176
diff changeset
  4148
            (size_t)(JavaThread::stack_yellow_zone_size() + JavaThread::stack_red_zone_size() +
996db89f378e 8139864: Improve handling of stack protection zones.
goetz
parents: 35176
diff changeset
  4149
                     JavaThread::stack_shadow_zone_size() +
996db89f378e 8139864: Improve handling of stack protection zones.
goetz
parents: 35176
diff changeset
  4150
                     (2*BytesPerWord COMPILER2_PRESENT(+1)) * os::vm_page_size());
6964
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4151
  if (actual_reserve_size < min_stack_allowed) {
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4152
    tty->print_cr("\nThe stack size specified is too small, "
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4153
                  "Specify at least %dk",
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4154
                  min_stack_allowed / K);
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4155
    return JNI_ERR;
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4156
  }
6e45ffa3bccf 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents: 6962
diff changeset
  4157
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4158
  JavaThread::set_stack_size_at_create(stack_commit_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4159
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4160
  // Calculate theoretical max. size of Threads to guard gainst artifical
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4161
  // out-of-memory situations, where all available address-space has been
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4162
  // reserved by thread stacks.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4163
  assert(actual_reserve_size != 0, "Must have a stack");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4164
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4165
  // Calculate the thread limit when we should start doing Virtual Memory
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4166
  // banging. Currently when the threads will have used all but 200Mb of space.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4167
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4168
  // TODO: consider performing a similar calculation for commit size instead
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4169
  // as reserve size, since on a 64-bit platform we'll run into that more
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4170
  // often than running out of virtual memory space.  We can use the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4171
  // 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
  4172
  size_t max_address_space = ((size_t)1 << (BitsPerWord - 1)) - (200 * K * K);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4173
  win32::_os_thread_limit = (intx)(max_address_space / actual_reserve_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4174
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4175
  // at exit methods are called in the reverse order of their registration.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4176
  // there is no limit to the number of functions registered. atexit does
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4177
  // not set errno.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4178
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4179
  if (PerfAllowAtExitRegistration) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4180
    // only register atexit functions if PerfAllowAtExitRegistration is set.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4181
    // atexit functions can be delayed until process exit time, which
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4182
    // can be problematic for embedded VM situations. Embedded VMs should
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4183
    // call DestroyJavaVM() to assure that VM resources are released.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4184
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4185
    // note: perfMemory_exit_helper atexit function may be removed in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4186
    // the future if the appropriate cleanup code can be added to the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4187
    // VM_Exit VMOperation's doit method.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4188
    if (atexit(perfMemory_exit_helper) != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4189
      warning("os::init_2 atexit(perfMemory_exit_helper) failed");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4190
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4191
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4192
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4193
#ifndef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4194
  // Print something if NX is enabled (win32 on AMD64)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4195
  NOT_PRODUCT(if (PrintMiscellaneous && Verbose) nx_check_protection());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4196
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4197
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4198
  // initialize thread priority policy
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4199
  prio_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4200
10527
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  4201
  if (UseNUMA && !ForceNUMA) {
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  4202
    UseNUMA = false; // We don't fully support this yet
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  4203
  }
fedb7f148e85 7086226: UseNUMA fails on old versions of windows
iveresov
parents: 10494
diff changeset
  4204
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  4205
  if (UseNUMAInterleaving) {
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  4206
    // first check whether this Windows OS supports VirtualAllocExNuma, if not ignore this flag
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  4207
    bool success = numa_interleaving_init();
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10247
diff changeset
  4208
    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
  4209
  }
b46d9f19bde2 6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents: 1421
diff changeset
  4210
16623
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  4211
  if (initSock() != JNI_OK) {
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  4212
    return JNI_ERR;
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  4213
  }
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  4214
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4215
  return JNI_OK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4216
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4217
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4218
// Mark the polling page as unreadable
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4219
void os::make_polling_page_unreadable(void) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4220
  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
  4221
  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
  4222
                      PAGE_NOACCESS, &old_status)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4223
    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
  4224
  }
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4225
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4226
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4227
// Mark the polling page as readable
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4228
void os::make_polling_page_readable(void) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4229
  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
  4230
  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
  4231
                      PAGE_READONLY, &old_status)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4232
    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
  4233
  }
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4234
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4235
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4236
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4237
int os::stat(const char *path, struct stat *sbuf) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4238
  char pathbuf[MAX_PATH];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4239
  if (strlen(path) > MAX_PATH - 1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4240
    errno = ENAMETOOLONG;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4241
    return -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4242
  }
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4243
  os::native_path(strcpy(pathbuf, path));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4244
  int ret = ::stat(pathbuf, sbuf);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4245
  if (sbuf != NULL && UseUTCFileTimestamp) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4246
    // Fix for 6539723.  st_mtime returned from stat() is dependent on
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4247
    // the system timezone and so can return different values for the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4248
    // same file if/when daylight savings time changes.  This adjustment
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4249
    // makes sure the same timestamp is returned regardless of the TZ.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4250
    //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4251
    // See:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4252
    // http://msdn.microsoft.com/library/
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4253
    //   default.asp?url=/library/en-us/sysinfo/base/
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4254
    //   time_zone_information_str.asp
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4255
    // and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4256
    // http://msdn.microsoft.com/library/default.asp?url=
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4257
    //   /library/en-us/sysinfo/base/settimezoneinformation.asp
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4258
    //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4259
    // NOTE: there is a insidious bug here:  If the timezone is changed
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4260
    // after the call to stat() but before 'GetTimeZoneInformation()', then
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4261
    // the adjustment we do here will be wrong and we'll return the wrong
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4262
    // value (which will likely end up creating an invalid class data
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4263
    // archive).  Absent a better API for this, or some time zone locking
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4264
    // mechanism, we'll have to live with this risk.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4265
    TIME_ZONE_INFORMATION tz;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4266
    DWORD tzid = GetTimeZoneInformation(&tz);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4267
    int daylightBias =
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4268
      (tzid == TIME_ZONE_ID_DAYLIGHT) ?  tz.DaylightBias : tz.StandardBias;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4269
    sbuf->st_mtime += (tz.Bias + daylightBias) * 60;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4270
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4271
  return ret;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4272
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4273
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4274
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4275
#define FT2INT64(ft) \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4276
  ((jlong)((jlong)(ft).dwHighDateTime << 32 | (julong)(ft).dwLowDateTime))
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4277
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4278
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4279
// current_thread_cpu_time(bool) and thread_cpu_time(Thread*, bool)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4280
// are used by JVM M&M and JVMTI to get user+sys or user CPU time
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4281
// of a thread.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4282
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4283
// current_thread_cpu_time() and thread_cpu_time(Thread*) returns
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4284
// the fast estimate available on the platform.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4285
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4286
// current_thread_cpu_time() is not optimized for Windows yet
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4287
jlong os::current_thread_cpu_time() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4288
  // return user + sys since the cost is the same
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4289
  return os::thread_cpu_time(Thread::current(), true /* user+sys */);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4290
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4291
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4292
jlong os::thread_cpu_time(Thread* thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4293
  // consistent with what current_thread_cpu_time() returns.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4294
  return os::thread_cpu_time(thread, true /* user+sys */);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4295
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4296
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4297
jlong os::current_thread_cpu_time(bool user_sys_cpu_time) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4298
  return os::thread_cpu_time(Thread::current(), user_sys_cpu_time);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4299
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4300
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4301
jlong os::thread_cpu_time(Thread* thread, bool user_sys_cpu_time) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4302
  // This code is copy from clasic VM -> hpi::sysThreadCPUTime
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4303
  // 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
  4304
  FILETIME CreationTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4305
  FILETIME ExitTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4306
  FILETIME KernelTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4307
  FILETIME UserTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4308
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4309
  if (GetThreadTimes(thread->osthread()->thread_handle(), &CreationTime,
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4310
                      &ExitTime, &KernelTime, &UserTime) == 0) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4311
    return -1;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4312
  } else if (user_sys_cpu_time) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4313
    return (FT2INT64(UserTime) + FT2INT64(KernelTime)) * 100;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4314
  } else {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4315
    return FT2INT64(UserTime) * 100;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4316
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4317
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4318
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4319
void os::current_thread_cpu_time_info(jvmtiTimerInfo *info_ptr) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4320
  info_ptr->max_value = ALL_64_BITS;        // the max value -- all 64 bits
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4321
  info_ptr->may_skip_backward = false;      // GetThreadTimes returns absolute time
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4322
  info_ptr->may_skip_forward = false;       // GetThreadTimes returns absolute time
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4323
  info_ptr->kind = JVMTI_TIMER_TOTAL_CPU;   // user+system time is returned
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4324
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4325
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4326
void os::thread_cpu_time_info(jvmtiTimerInfo *info_ptr) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4327
  info_ptr->max_value = ALL_64_BITS;        // the max value -- all 64 bits
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4328
  info_ptr->may_skip_backward = false;      // GetThreadTimes returns absolute time
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4329
  info_ptr->may_skip_forward = false;       // GetThreadTimes returns absolute time
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4330
  info_ptr->kind = JVMTI_TIMER_TOTAL_CPU;   // user+system time is returned
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4331
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4332
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4333
bool os::is_thread_cpu_time_supported() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4334
  // see os::thread_cpu_time
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4335
  FILETIME CreationTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4336
  FILETIME ExitTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4337
  FILETIME KernelTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4338
  FILETIME UserTime;
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4339
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4340
  if (GetThreadTimes(GetCurrentThread(), &CreationTime, &ExitTime,
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4341
                      &KernelTime, &UserTime) == 0) {
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4342
    return false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4343
  } else {
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  4344
    return true;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4345
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4346
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4347
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4348
// Windows does't provide a loadavg primitive so this is stubbed out for now.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4349
// It does have primitives (PDH API) to get CPU usage and run queue length.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4350
// "\\Processor(_Total)\\% Processor Time", "\\System\\Processor Queue Length"
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4351
// If we wanted to implement loadavg on Windows, we have a few options:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4352
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4353
// a) Query CPU usage and run queue length and "fake" an answer by
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4354
//    returning the CPU usage if it's under 100%, and the run queue
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4355
//    length otherwise.  It turns out that querying is pretty slow
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4356
//    on Windows, on the order of 200 microseconds on a fast machine.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4357
//    Note that on the Windows the CPU usage value is the % usage
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4358
//    since the last time the API was called (and the first call
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4359
//    returns 100%), so we'd have to deal with that as well.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4360
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4361
// b) Sample the "fake" answer using a sampling thread and store
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4362
//    the answer in a global variable.  The call to loadavg would
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4363
//    just return the value of the global, avoiding the slow query.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4364
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4365
// c) Sample a better answer using exponential decay to smooth the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4366
//    value.  This is basically the algorithm used by UNIX kernels.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4367
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4368
// Note that sampling thread starvation could affect both (b) and (c).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4369
int os::loadavg(double loadavg[], int nelem) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4370
  return -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4371
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4372
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4373
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4374
// DontYieldALot=false by default: dutifully perform all yields as requested by JVM_Yield()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4375
bool os::dont_yield() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4376
  return DontYieldALot;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4377
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4378
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4379
// 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
  4380
// 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
  4381
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4382
int os::open(const char *path, int oflag, int mode) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4383
  char pathbuf[MAX_PATH];
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4384
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4385
  if (strlen(path) > MAX_PATH - 1) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4386
    errno = ENAMETOOLONG;
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  4387
    return -1;
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4388
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4389
  os::native_path(strcpy(pathbuf, path));
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4390
  return ::open(pathbuf, oflag | O_BINARY | O_NOINHERIT, mode);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4391
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4392
17121
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 17006
diff changeset
  4393
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
  4394
  return ::_fdopen(fd, mode);
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 17006
diff changeset
  4395
}
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 17006
diff changeset
  4396
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4397
// Is a (classpath) directory empty?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4398
bool os::dir_is_empty(const char* path) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4399
  WIN32_FIND_DATA fd;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4400
  HANDLE f = FindFirstFile(path, &fd);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4401
  if (f == INVALID_HANDLE_VALUE) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4402
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4403
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4404
  FindClose(f);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4405
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4406
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4407
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4408
// create binary file, rewriting existing file if required
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4409
int os::create_binary_file(const char* path, bool rewrite_existing) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4410
  int oflags = _O_CREAT | _O_WRONLY | _O_BINARY;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4411
  if (!rewrite_existing) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4412
    oflags |= _O_EXCL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4413
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4414
  return ::open(path, oflags, _S_IREAD | _S_IWRITE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4415
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4416
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4417
// return current position of file pointer
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4418
jlong os::current_file_offset(int fd) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4419
  return (jlong)::_lseeki64(fd, (__int64)0L, SEEK_CUR);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4420
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4421
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4422
// move file pointer to the specified offset
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4423
jlong os::seek_to_file_offset(int fd, jlong offset) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4424
  return (jlong)::_lseeki64(fd, (__int64)offset, SEEK_SET);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4425
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4426
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4427
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4428
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
  4429
  return (jlong) ::_lseeki64(fd, offset, whence);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4430
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4431
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4432
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
  4433
  OVERLAPPED ov;
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4434
  DWORD nread;
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4435
  BOOL result;
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4436
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4437
  ZeroMemory(&ov, sizeof(ov));
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4438
  ov.Offset = (DWORD)offset;
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4439
  ov.OffsetHigh = (DWORD)(offset >> 32);
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4440
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4441
  HANDLE h = (HANDLE)::_get_osfhandle(fd);
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4442
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4443
  result = ReadFile(h, (LPVOID)buf, nBytes, &nread, &ov);
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4444
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4445
  return result ? nread : 0;
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4446
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4447
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27474
diff changeset
  4448
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4449
// 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
  4450
// from src/windows/hpi/src/path_md.c
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4451
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4452
// 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
  4453
// 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
  4454
// 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
  4455
// 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
  4456
// 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
  4457
// 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
  4458
//
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4459
// 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
  4460
// 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
  4461
// succeeds.
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4462
char * os::native_path(char *path) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4463
  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
  4464
  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
  4465
                       // 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
  4466
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4467
  // 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
  4468
  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
  4469
          && (!::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
  4470
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4471
  // Check for leading separators
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4472
#define isfilesep(c) ((c) == '/' || (c) == '\\')
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4473
  while (isfilesep(*src)) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4474
    src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4475
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4476
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4477
  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
  4478
    // 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
  4479
    // 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
  4480
    // 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
  4481
    // "/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
  4482
    *dst++ = *src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4483
    colon = dst;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4484
    *dst++ = ':';
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4485
    src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4486
  } else {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4487
    src = path;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4488
    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
  4489
      // 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
  4490
      // 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
  4491
      // 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
  4492
      // 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
  4493
      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
  4494
      path[0] = '\\';     // Force first separator to '\\'
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4495
    }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4496
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4497
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4498
  end = dst;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4499
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4500
  // 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
  4501
  // 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
  4502
  // 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
  4503
  // 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
  4504
  //
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4505
  while (*src != '\0') {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4506
    if (isfilesep(*src)) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4507
      *dst++ = '\\'; src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4508
      while (isfilesep(*src)) src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4509
      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
  4510
        // Check for trailing separator
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4511
        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
  4512
        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
  4513
        if (dst == path + 1) break;   // "\\"
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4514
        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
  4515
          // "\\\\" 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
  4516
          // 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
  4517
          // 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
  4518
          // 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
  4519
          // 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
  4520
          // 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
  4521
          // directory of the current drive.
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4522
          break;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4523
        }
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4524
        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
  4525
                      // remove trailing separator
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4526
        break;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4527
      }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4528
      end = dst;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4529
    } else {
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 (::IsDBCSLeadByte(*src)) {  // Copy a double-byte character
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4531
        *dst++ = *src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4532
        if (*src) *dst++ = *src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4533
        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
  4534
      } else {  // Copy a single-byte character
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4535
        char c = *src++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4536
        *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
  4537
        // Space is not a legal ending character
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4538
        if (c != ' ') end = dst;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4539
      }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4540
    }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4541
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4542
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4543
  *end = '\0';
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4544
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4545
  // 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
  4546
  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
  4547
    path[2] = '.';
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  4548
    path[3] = '\0';
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4549
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4550
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4551
  return path;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4552
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4553
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4554
// 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
  4555
// 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
  4556
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4557
int os::ftruncate(int fd, jlong length) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4558
  HANDLE h = (HANDLE)::_get_osfhandle(fd);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4559
  long high = (long)(length >> 32);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4560
  DWORD ret;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4561
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4562
  if (h == (HANDLE)(-1)) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4563
    return -1;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4564
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4565
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4566
  ret = ::SetFilePointer(h, (long)(length), &high, FILE_BEGIN);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4567
  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
  4568
    return -1;
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4569
  }
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
  if (::SetEndOfFile(h) == FALSE) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4572
    return -1;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4573
  }
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
  return 0;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4576
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4577
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4578
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4579
// 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
  4580
// 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
  4581
// 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
  4582
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4583
int os::fsync(int fd) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4584
  HANDLE handle = (HANDLE)::_get_osfhandle(fd);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4585
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  4586
  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
  4587
      (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
  4588
    // from winerror.h
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4589
    return -1;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4590
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4591
  return 0;
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
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4594
static int nonSeekAvailable(int, long *);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4595
static int stdinAvailable(int, long *);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4596
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4597
#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
  4598
#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
  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 sysAvailable
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
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4603
int os::available(int fd, jlong *bytes) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4604
  jlong cur, end;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4605
  struct _stati64 stbuf64;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4606
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4607
  if (::_fstati64(fd, &stbuf64) >= 0) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4608
    int mode = stbuf64.st_mode;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4609
    if (S_ISCHR(mode) || S_ISFIFO(mode)) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4610
      int ret;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4611
      long lpbytes;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4612
      if (fd == 0) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4613
        ret = stdinAvailable(fd, &lpbytes);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4614
      } else {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4615
        ret = nonSeekAvailable(fd, &lpbytes);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4616
      }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4617
      (*bytes) = (jlong)(lpbytes);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4618
      return ret;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4619
    }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4620
    if ((cur = ::_lseeki64(fd, 0L, SEEK_CUR)) == -1) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4621
      return FALSE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4622
    } 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
  4623
      return FALSE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4624
    } else if (::_lseeki64(fd, cur, SEEK_SET) == -1) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4625
      return FALSE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4626
    }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4627
    *bytes = end - cur;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4628
    return TRUE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4629
  } else {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4630
    return FALSE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4631
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4632
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4633
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4634
// 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
  4635
// 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
  4636
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4637
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
  4638
  // 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
  4639
  // (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
  4640
  //  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
  4641
  // Standard Input is a special case.
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4642
  HANDLE han;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4643
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4644
  if ((han = (HANDLE) ::_get_osfhandle(fd)) == (HANDLE)(-1)) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4645
    return FALSE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4646
  }
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
  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
  4649
    // 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
  4650
    // 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
  4651
    // 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
  4652
    // 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
  4653
    // 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
  4654
    //
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4655
    if (::GetLastError() != ERROR_BROKEN_PIPE) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4656
      return FALSE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4657
    }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4658
    *pbytes = 0;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4659
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4660
  return TRUE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4661
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4662
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4663
#define MAX_INPUT_EVENTS 2000
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4664
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4665
// 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
  4666
// 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
  4667
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4668
static int stdinAvailable(int fd, long *pbytes) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4669
  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
  4670
  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
  4671
  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
  4672
  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
  4673
  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
  4674
  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
  4675
  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
  4676
  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
  4677
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4678
  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
  4679
    return FALSE;
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4680
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4681
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4682
  // 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
  4683
  error = ::GetNumberOfConsoleInputEvents(han, &numEvents);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4684
  if (error == 0) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4685
    return nonSeekAvailable(fd, pbytes);
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
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4688
  // 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
  4689
  if (numEvents > MAX_INPUT_EVENTS) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4690
    numEvents = MAX_INPUT_EVENTS;
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
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  4693
  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
  4694
  if (lpBuffer == NULL) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4695
    return FALSE;
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
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4698
  error = ::PeekConsoleInput(han, lpBuffer, numEvents, &numEventsRead);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4699
  if (error == 0) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  4700
    os::free(lpBuffer);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4701
    return FALSE;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4702
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4703
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4704
  // 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
  4705
  for (i=0; i<numEvents; i++) {
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4706
    if (lpBuffer[i].EventType == KEY_EVENT) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4707
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4708
      KEY_EVENT_RECORD *keyRecord = (KEY_EVENT_RECORD *)
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4709
                                      &(lpBuffer[i].Event);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4710
      if (keyRecord->bKeyDown == TRUE) {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4711
        CHAR *keyPressed = (CHAR *) &(keyRecord->uChar);
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4712
        curLength++;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4713
        if (*keyPressed == '\r') {
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4714
          actualLength = curLength;
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
      }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4717
    }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4718
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4719
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  4720
  if (lpBuffer != NULL) {
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 27873
diff changeset
  4721
    os::free(lpBuffer);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4722
  }
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4723
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4724
  *pbytes = (long) actualLength;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4725
  return TRUE;
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
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4728
// Map a block of memory.
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  4729
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
  4730
                        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
  4731
                        bool allow_exec) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4732
  HANDLE hFile;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4733
  char* base;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4734
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4735
  hFile = CreateFile(file_name, GENERIC_READ, FILE_SHARE_READ, NULL,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4736
                     OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4737
  if (hFile == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4738
    if (PrintMiscellaneous && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4739
      DWORD err = GetLastError();
15228
e92acc84ade3 7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents: 15098
diff changeset
  4740
      tty->print_cr("CreateFile() failed: GetLastError->%ld.", err);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4741
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4742
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4743
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4744
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4745
  if (allow_exec) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4746
    // CreateFileMapping/MapViewOfFileEx can't map executable memory
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4747
    // unless it comes from a PE image (which the shared archive is not.)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4748
    // Even VirtualProtect refuses to give execute access to mapped memory
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4749
    // that was not previously executable.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4750
    //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4751
    // Instead, stick the executable region in anonymous memory.  Yuck.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4752
    // Penalty is that ~4 pages will not be shareable - in the future
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4753
    // we might consider DLLizing the shared archive with a proper PE
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4754
    // header so that mapping executable + sharing is possible.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4755
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4756
    base = (char*) VirtualAlloc(addr, bytes, MEM_COMMIT | MEM_RESERVE,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4757
                                PAGE_READWRITE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4758
    if (base == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4759
      if (PrintMiscellaneous && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4760
        DWORD err = GetLastError();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4761
        tty->print_cr("VirtualAlloc() failed: GetLastError->%ld.", err);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4762
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4763
      CloseHandle(hFile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4764
      return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4765
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4766
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4767
    DWORD bytes_read;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4768
    OVERLAPPED overlapped;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4769
    overlapped.Offset = (DWORD)file_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4770
    overlapped.OffsetHigh = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4771
    overlapped.hEvent = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4772
    // ReadFile guarantees that if the return value is true, the requested
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4773
    // number of bytes were read before returning.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4774
    bool res = ReadFile(hFile, base, (DWORD)bytes, &bytes_read, &overlapped) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4775
    if (!res) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4776
      if (PrintMiscellaneous && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4777
        DWORD err = GetLastError();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4778
        tty->print_cr("ReadFile() failed: GetLastError->%ld.", err);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4779
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4780
      release_memory(base, bytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4781
      CloseHandle(hFile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4782
      return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4783
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4784
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4785
    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
  4786
                                    NULL /* file_name */);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4787
    if (hMap == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4788
      if (PrintMiscellaneous && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4789
        DWORD err = GetLastError();
15228
e92acc84ade3 7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents: 15098
diff changeset
  4790
        tty->print_cr("CreateFileMapping() failed: GetLastError->%ld.", err);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4791
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4792
      CloseHandle(hFile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4793
      return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4794
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4795
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4796
    DWORD access = read_only ? FILE_MAP_READ : FILE_MAP_COPY;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4797
    base = (char*)MapViewOfFileEx(hMap, access, 0, (DWORD)file_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4798
                                  (DWORD)bytes, addr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4799
    if (base == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4800
      if (PrintMiscellaneous && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4801
        DWORD err = GetLastError();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4802
        tty->print_cr("MapViewOfFileEx() failed: GetLastError->%ld.", err);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4803
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4804
      CloseHandle(hMap);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4805
      CloseHandle(hFile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4806
      return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4807
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4808
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4809
    if (CloseHandle(hMap) == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4810
      if (PrintMiscellaneous && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4811
        DWORD err = GetLastError();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4812
        tty->print_cr("CloseHandle(hMap) failed: GetLastError->%ld.", err);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4813
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4814
      CloseHandle(hFile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4815
      return base;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4816
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4817
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4818
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4819
  if (allow_exec) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4820
    DWORD old_protect;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4821
    DWORD exec_access = read_only ? PAGE_EXECUTE_READ : PAGE_EXECUTE_READWRITE;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4822
    bool res = VirtualProtect(base, bytes, exec_access, &old_protect) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4823
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4824
    if (!res) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4825
      if (PrintMiscellaneous && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4826
        DWORD err = GetLastError();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4827
        tty->print_cr("VirtualProtect() failed: GetLastError->%ld.", err);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4828
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4829
      // Don't consider this a hard error, on IA32 even if the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4830
      // VirtualProtect fails, we should still be able to execute
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4831
      CloseHandle(hFile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4832
      return base;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4833
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4834
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4835
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4836
  if (CloseHandle(hFile) == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4837
    if (PrintMiscellaneous && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4838
      DWORD err = GetLastError();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4839
      tty->print_cr("CloseHandle(hFile) failed: GetLastError->%ld.", err);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4840
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4841
    return base;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4842
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4843
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4844
  return base;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4845
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4846
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4847
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4848
// Remap a block of memory.
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  4849
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
  4850
                          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
  4851
                          bool allow_exec) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4852
  // This OS does not allow existing memory maps to be remapped so we
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4853
  // have to unmap the memory before we remap it.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4854
  if (!os::unmap_memory(addr, bytes)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4855
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4856
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4857
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4858
  // There is a very small theoretical window between the unmap_memory()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4859
  // call above and the map_memory() call below where a thread in native
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4860
  // code may be able to access an address that is no longer mapped.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4861
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  4862
  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
  4863
                        read_only, allow_exec);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4864
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4865
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4866
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4867
// Unmap a block of memory.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4868
// Returns true=success, otherwise false.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4869
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 12940
diff changeset
  4870
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
  4871
  MEMORY_BASIC_INFORMATION mem_info;
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4872
  if (VirtualQuery(addr, &mem_info, sizeof(mem_info)) == 0) {
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4873
    if (PrintMiscellaneous && Verbose) {
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4874
      DWORD err = GetLastError();
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4875
      tty->print_cr("VirtualQuery() failed: GetLastError->%ld.", err);
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4876
    }
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4877
    return false;
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4878
  }
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4879
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4880
  // Executable memory was not mapped using CreateFileMapping/MapViewOfFileEx.
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4881
  // Instead, executable region was allocated using VirtualAlloc(). See
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4882
  // pd_map_memory() above.
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4883
  //
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4884
  // 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
  4885
  // VirtualProtect() in pd_map_memory().
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4886
  if (mem_info.Protect == PAGE_EXECUTE_READ ||
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4887
      mem_info.Protect == PAGE_EXECUTE_READWRITE) {
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4888
    return pd_release_memory(addr, bytes);
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4889
  }
6cb8b6ab9081 8135097: Unmap failure for executable memory on windows
jiangli
parents: 31963
diff changeset
  4890
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4891
  BOOL result = UnmapViewOfFile(addr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4892
  if (result == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4893
    if (PrintMiscellaneous && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4894
      DWORD err = GetLastError();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4895
      tty->print_cr("UnmapViewOfFile() failed: GetLastError->%ld.", err);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4896
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4897
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4898
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4899
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4900
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4901
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4902
void os::pause() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4903
  char filename[MAX_PATH];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4904
  if (PauseAtStartupFile && PauseAtStartupFile[0]) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4905
    jio_snprintf(filename, MAX_PATH, PauseAtStartupFile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4906
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4907
    jio_snprintf(filename, MAX_PATH, "./vm.paused.%d", current_process_id());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4908
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4909
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4910
  int fd = ::open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4911
  if (fd != -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4912
    struct stat buf;
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  4913
    ::close(fd);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4914
    while (::stat(filename, &buf) == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4915
      Sleep(100);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4916
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4917
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4918
    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
  4919
                "Could not open pause file '%s', continuing immediately.\n", filename);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4920
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4921
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4922
18943
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4923
os::WatcherThreadCrashProtection::WatcherThreadCrashProtection() {
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4924
  assert(Thread::current()->is_Watcher_thread(), "Must be WatcherThread");
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4925
}
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4926
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4927
// 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
  4928
// 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
  4929
// 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
  4930
// true.
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  4931
// 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
  4932
//
18943
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4933
bool os::WatcherThreadCrashProtection::call(os::CrashProtectionCallback& cb) {
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4934
  assert(Thread::current()->is_Watcher_thread(), "Only for WatcherThread");
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4935
  assert(!WatcherThread::watcher_thread()->has_crash_protection(),
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  4936
         "crash_protection already set?");
18943
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4937
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4938
  bool success = true;
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4939
  __try {
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4940
    WatcherThread::watcher_thread()->set_crash_protection(this);
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4941
    cb.call();
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4942
  } __except(EXCEPTION_EXECUTE_HANDLER) {
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4943
    // only for protection, nothing to do
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4944
    success = false;
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4945
  }
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4946
  WatcherThread::watcher_thread()->set_crash_protection(NULL);
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4947
  return success;
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4948
}
7d0ef675e808 8020701: Avoid crashes in WatcherThread
rbackman
parents: 18683
diff changeset
  4949
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4950
// An Event wraps a win32 "CreateEvent" kernel handle.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4951
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4952
// We have a number of choices regarding "CreateEvent" win32 handle leakage:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4953
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4954
// 1:  When a thread dies return the Event to the EventFreeList, clear the ParkHandle
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4955
//     field, and call CloseHandle() on the win32 event handle.  Unpark() would
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4956
//     need to be modified to tolerate finding a NULL (invalid) win32 event handle.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4957
//     In addition, an unpark() operation might fetch the handle field, but the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4958
//     event could recycle between the fetch and the SetEvent() operation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4959
//     SetEvent() would either fail because the handle was invalid, or inadvertently work,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4960
//     as the win32 handle value had been recycled.  In an ideal world calling SetEvent()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4961
//     on an stale but recycled handle would be harmless, but in practice this might
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4962
//     confuse other non-Sun code, so it's not a viable approach.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4963
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4964
// 2:  Once a win32 event handle is associated with an Event, it remains associated
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4965
//     with the Event.  The event handle is never closed.  This could be construed
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4966
//     as handle leakage, but only up to the maximum # of threads that have been extant
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4967
//     at any one time.  This shouldn't be an issue, as windows platforms typically
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4968
//     permit a process to have hundreds of thousands of open handles.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4969
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4970
// 3:  Same as (1), but periodically, at stop-the-world time, rundown the EventFreeList
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4971
//     and release unused handles.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4972
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4973
// 4:  Add a CRITICAL_SECTION to the Event to protect LD+SetEvent from LD;ST(null);CloseHandle.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4974
//     It's not clear, however, that we wouldn't be trading one type of leak for another.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4975
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4976
// 5.  Use an RCU-like mechanism (Read-Copy Update).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4977
//     Or perhaps something similar to Maged Michael's "Hazard pointers".
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4978
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4979
// We use (2).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4980
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4981
// TODO-FIXME:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4982
// 1.  Reconcile Doug's JSR166 j.u.c park-unpark with the objectmonitor implementation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4983
// 2.  Consider wrapping the WaitForSingleObject(Ex) calls in SEH try/finally blocks
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4984
//     to recover from (or at least detect) the dreaded Windows 841176 bug.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4985
// 3.  Collapse the interrupt_event, the JSR166 parker event, and the objectmonitor ParkEvent
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4986
//     into a single win32 CreateEvent() handle.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4987
//
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  4988
// Assumption:
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  4989
//    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
  4990
//    them per-thread. Multiple unparkers can coexist.
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  4991
//
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4992
// _Event transitions in park()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4993
//   -1 => -1 : illegal
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4994
//    1 =>  0 : pass - return immediately
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  4995
//    0 => -1 : block; then set _Event to 0 before returning
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  4996
//
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  4997
// _Event transitions in unpark()
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  4998
//    0 => 1 : just return
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  4999
//    1 => 1 : just return
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5000
//   -1 => either 0 or 1; must signal target thread
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5001
//         That is, we can safely transition _Event from -1 to either
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5002
//         0 or 1.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5003
//
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5004
// _Event serves as a restricted-range semaphore.
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5005
//   -1 : thread is blocked, i.e. there is a waiter
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5006
//    0 : neutral: thread is running or ready,
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5007
//        could have been signaled after a wait started
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5008
//    1 : signaled - thread is running or ready
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5009
//
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5010
// Another possible encoding of _Event would be with
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5011
// explicit "PARKED" == 01b and "SIGNALED" == 10b bits.
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5012
//
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5013
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5014
int os::PlatformEvent::park(jlong Millis) {
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5015
  // Transitions for _Event:
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5016
  //   -1 => -1 : illegal
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5017
  //    1 =>  0 : pass - return immediately
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5018
  //    0 => -1 : block; then set _Event to 0 before returning
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5019
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5020
  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
  5021
  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
  5022
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5023
  // 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
  5024
  // the initial park() operation.
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5025
  // Consider: use atomic decrement instead of CAS-loop
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5026
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5027
  int v;
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5028
  for (;;) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5029
    v = _Event;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5030
    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
  5031
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5032
  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
  5033
  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
  5034
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5035
  // 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
  5036
  // 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
  5037
  // 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
  5038
  //
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5039
  // 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
  5040
  // 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
  5041
  // 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
  5042
  // 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
  5043
  // 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
  5044
  // ::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
  5045
  // 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
  5046
  // 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
  5047
  // 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
  5048
  // 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
  5049
  // 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
  5050
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5051
  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
  5052
  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
  5053
  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
  5054
    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
  5055
    if (Millis > MAXTIMEOUT) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5056
      prd = MAXTIMEOUT;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5057
    }
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5058
    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
  5059
    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
  5060
    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
  5061
      Millis -= prd;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5062
    }
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5063
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5064
  v = _Event;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5065
  _Event = 0;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5066
  // 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
  5067
  OrderAccess::fence();
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5068
  // 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
  5069
  // 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
  5070
  // 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
  5071
  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
  5072
}
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  5073
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  5074
void os::PlatformEvent::park() {
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5075
  // Transitions for _Event:
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5076
  //   -1 => -1 : illegal
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5077
  //    1 =>  0 : pass - return immediately
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5078
  //    0 => -1 : block; then set _Event to 0 before returning
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5079
26683
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5080
  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
  5081
  // 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
  5082
  // may call park().
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5083
  // 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
  5084
  int v;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5085
  for (;;) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5086
    v = _Event;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5087
    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
  5088
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5089
  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
  5090
  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
  5091
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5092
  // 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
  5093
  // 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
  5094
  // 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
  5095
  while (_Event < 0) {
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5096
    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
  5097
    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
  5098
  }
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5099
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5100
  // 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
  5101
  // 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
  5102
  // 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
  5103
  _Event = 0;
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5104
  OrderAccess::fence();
a02753d5a0b2 8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26295
diff changeset
  5105
  guarantee(_Event >= 0, "invariant");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5106
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5107
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5108
void os::PlatformEvent::unpark() {
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  5109
  guarantee(_ParkHandle != NULL, "Invariant");
15234
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5110
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5111
  // Transitions for _Event:
27458
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5112
  //    0 => 1 : just return
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5113
  //    1 => 1 : just return
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5114
  //   -1 => either 0 or 1; must signal target thread
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5115
  //         That is, we can safely transition _Event from -1 to either
eb5f1b4f01e1 8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents: 27400
diff changeset
  5116
  //         0 or 1.
15234
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5117
  // See also: "Semaphores in Plan 9" by Mullender & Cox
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5118
  //
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5119
  // 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
  5120
  // 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
  5121
  // 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
  5122
  // 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
  5123
  // 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
  5124
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5125
  if (Atomic::xchg(1, &_Event) >= 0) return;
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5126
ff1f01be5fbd 8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents: 15228
diff changeset
  5127
  ::SetEvent(_ParkHandle);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5128
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5129
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5130
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5131
// JSR166
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5132
// -------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5133
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5134
// 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
  5135
// 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
  5136
// 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
  5137
// from Monitor.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5138
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5139
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
  5140
  guarantee(_ParkEvent != NULL, "invariant");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5141
  // First, demultiplex/decode time arguments
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5142
  if (time < 0) { // don't wait
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5143
    return;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5144
  } else if (time == 0 && !isAbsolute) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5145
    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
  5146
  } else if (isAbsolute) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5147
    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
  5148
    if (time <= 0) {  // already elapsed
1
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
    }
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5151
  } else { // relative
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5152
    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
  5153
    if (time == 0) {  // Wait for the minimal time unit if zero
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5154
      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
  5155
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5156
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5157
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5158
  JavaThread* thread = JavaThread::current();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5159
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5160
  // Don't wait if interrupted or already triggered
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5161
  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
  5162
      WaitForSingleObject(_ParkEvent, 0) == WAIT_OBJECT_0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5163
    ResetEvent(_ParkEvent);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5164
    return;
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5165
  } else {
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5166
    ThreadBlockInVM tbivm(thread);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5167
    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
  5168
    thread->set_suspend_equivalent();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5169
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  5170
    WaitForSingleObject(_ParkEvent, time);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5171
    ResetEvent(_ParkEvent);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5172
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5173
    // If externally suspended while waiting, re-suspend
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5174
    if (thread->handle_special_suspend_equivalent_condition()) {
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5175
      thread->java_suspend_self();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5176
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5177
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5178
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5179
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5180
void Parker::unpark() {
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  5181
  guarantee(_ParkEvent != NULL, "invariant");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5182
  SetEvent(_ParkEvent);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5183
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5184
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5185
// Run the specified command in a separate process. Return its exit value,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5186
// or -1 on failure (e.g. can't create a new process).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5187
int os::fork_and_exec(char* cmd) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5188
  STARTUPINFO si;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5189
  PROCESS_INFORMATION pi;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5190
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5191
  memset(&si, 0, sizeof(si));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5192
  si.cb = sizeof(si);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5193
  memset(&pi, 0, sizeof(pi));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5194
  BOOL rslt = CreateProcess(NULL,   // executable name - use command line
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5195
                            cmd,    // command line
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5196
                            NULL,   // process security attribute
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5197
                            NULL,   // thread security attribute
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5198
                            TRUE,   // inherits system handles
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5199
                            0,      // no creation flags
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5200
                            NULL,   // use parent's environment block
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5201
                            NULL,   // use parent's starting directory
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5202
                            &si,    // (in) startup information
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5203
                            &pi);   // (out) process information
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5204
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5205
  if (rslt) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5206
    // Wait until child process exits.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5207
    WaitForSingleObject(pi.hProcess, INFINITE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5208
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5209
    DWORD exit_code;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5210
    GetExitCodeProcess(pi.hProcess, &exit_code);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5211
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5212
    // Close process and thread handles.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5213
    CloseHandle(pi.hProcess);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5214
    CloseHandle(pi.hThread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5215
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5216
    return (int)exit_code;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5217
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5218
    return -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5219
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5220
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5221
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5222
//--------------------------------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5223
// Non-product code
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5224
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5225
static int mallocDebugIntervalCounter = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5226
static int mallocDebugCounter = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5227
bool os::check_heap(bool force) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5228
  if (++mallocDebugCounter < MallocVerifyStart && !force) return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5229
  if (++mallocDebugIntervalCounter >= MallocVerifyInterval || force) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5230
    // Note: HeapValidate executes two hardware breakpoints when it finds something
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5231
    // wrong; at these points, eax contains the address of the offending block (I think).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5232
    // To get to the exlicit error message(s) below, just continue twice.
34278
d0693c55b8a4 8143233: [windows] Fixes to os::check_heap()
stuefe
parents: 33766
diff changeset
  5233
    //
d0693c55b8a4 8143233: [windows] Fixes to os::check_heap()
stuefe
parents: 33766
diff changeset
  5234
    // Note:  we want to check the CRT heap, which is not necessarily located in the
d0693c55b8a4 8143233: [windows] Fixes to os::check_heap()
stuefe
parents: 33766
diff changeset
  5235
    // process default heap.
d0693c55b8a4 8143233: [windows] Fixes to os::check_heap()
stuefe
parents: 33766
diff changeset
  5236
    HANDLE heap = (HANDLE) _get_heap_handle();
d0693c55b8a4 8143233: [windows] Fixes to os::check_heap()
stuefe
parents: 33766
diff changeset
  5237
    if (!heap) {
d0693c55b8a4 8143233: [windows] Fixes to os::check_heap()
stuefe
parents: 33766
diff changeset
  5238
      return true;
d0693c55b8a4 8143233: [windows] Fixes to os::check_heap()
stuefe
parents: 33766
diff changeset
  5239
    }
24455
79b5204317a2 8028749: java -version crashes with 'fatal error: heap walk aborted with error 1'
rdurbin
parents: 24351
diff changeset
  5240
79b5204317a2 8028749: java -version crashes with 'fatal error: heap walk aborted with error 1'
rdurbin
parents: 24351
diff changeset
  5241
    // If we fail to lock the heap, then gflags.exe has been used
79b5204317a2 8028749: java -version crashes with 'fatal error: heap walk aborted with error 1'
rdurbin
parents: 24351
diff changeset
  5242
    // or some other special heap flag has been set that prevents
79b5204317a2 8028749: java -version crashes with 'fatal error: heap walk aborted with error 1'
rdurbin
parents: 24351
diff changeset
  5243
    // locking. We don't try to walk a heap we can't lock.
79b5204317a2 8028749: java -version crashes with 'fatal error: heap walk aborted with error 1'
rdurbin
parents: 24351
diff changeset
  5244
    if (HeapLock(heap) != 0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5245
      PROCESS_HEAP_ENTRY phe;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5246
      phe.lpData = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5247
      while (HeapWalk(heap, &phe) != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5248
        if ((phe.wFlags & PROCESS_HEAP_ENTRY_BUSY) &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5249
            !HeapValidate(heap, 0, phe.lpData)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5250
          tty->print_cr("C heap has been corrupted (time: %d allocations)", mallocDebugCounter);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5251
          tty->print_cr("corrupted block near address %#x, length %d", phe.lpData, phe.cbData);
34278
d0693c55b8a4 8143233: [windows] Fixes to os::check_heap()
stuefe
parents: 33766
diff changeset
  5252
          HeapUnlock(heap);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5253
          fatal("corrupted C heap");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5254
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5255
      }
11418
66ca80da30e2 7126185: Clean up lasterror handling, add os::get_last_error()
phh
parents: 11259
diff changeset
  5256
      DWORD err = GetLastError();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5257
      if (err != ERROR_NO_MORE_ITEMS && err != ERROR_CALL_NOT_IMPLEMENTED) {
34278
d0693c55b8a4 8143233: [windows] Fixes to os::check_heap()
stuefe
parents: 33766
diff changeset
  5258
        HeapUnlock(heap);
33105
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 32748
diff changeset
  5259
        fatal("heap walk aborted with error %d", err);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5260
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5261
      HeapUnlock(heap);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5262
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5263
    mallocDebugIntervalCounter = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5264
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5265
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5266
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5267
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5268
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 5547
diff changeset
  5269
bool os::find(address addr, outputStream* st) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5270
  // Nothing yet
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5271
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5272
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5273
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5274
LONG WINAPI os::win32::serialize_fault_filter(struct _EXCEPTION_POINTERS* e) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5275
  DWORD exception_code = e->ExceptionRecord->ExceptionCode;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5276
25064
244218e6ec0a 8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents: 24455
diff changeset
  5277
  if (exception_code == EXCEPTION_ACCESS_VIOLATION) {
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5278
    JavaThread* thread = JavaThread::current();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5279
    PEXCEPTION_RECORD exceptionRecord = e->ExceptionRecord;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5280
    address addr = (address) exceptionRecord->ExceptionInformation[1];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5281
26684
d1221849ea3d 8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents: 26683
diff changeset
  5282
    if (os::is_memory_serialize_page(thread, addr)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5283
      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
  5284
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5285
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5286
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5287
  return EXCEPTION_CONTINUE_SEARCH;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5288
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  5289
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 5547
diff changeset
  5290
// We don't build a headless jre for Windows
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 5547
diff changeset
  5291
bool os::is_headless_jre() { return false; }
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 5547
diff changeset
  5292
16623
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  5293
static jint initSock() {
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5294
  WSADATA wsadata;
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5295
35212
7a6d0993a080 8048521: Remove obsolete code from os_windows.cpp/hpp
ctornqvi
parents: 35201
diff changeset
  5296
  if (WSAStartup(MAKEWORD(2,2), &wsadata) != 0) {
16623
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  5297
    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
  5298
                ::GetLastError());
16623
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  5299
    return JNI_ERR;
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  5300
  }
89050b0a21e3 7034299: Faulty winsock initialization code
neliasso
parents: 15927
diff changeset
  5301
  return JNI_OK;
7405
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
11256
025cd1741566 7091417: recvfrom's 6th input should be of type socklen_t
phh
parents: 10739
diff changeset
  5304
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
  5305
  return (struct hostent*)gethostbyname(name);
7405
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
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5308
int os::socket_close(int fd) {
12593
b0e4fdf19f29 7157695: Add windows implementation of socket interface
twisti
parents: 11961
diff changeset
  5309
  return ::closesocket(fd);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5310
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5311
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5312
int os::socket(int domain, int type, int protocol) {
12593
b0e4fdf19f29 7157695: Add windows implementation of socket interface
twisti
parents: 11961
diff changeset
  5313
  return ::socket(domain, type, protocol);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5314
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5315
11256
025cd1741566 7091417: recvfrom's 6th input should be of type socklen_t
phh
parents: 10739
diff changeset
  5316
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
  5317
  return ::connect(fd, him, len);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5318
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5319
11256
025cd1741566 7091417: recvfrom's 6th input should be of type socklen_t
phh
parents: 10739
diff changeset
  5320
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
  5321
  return ::recv(fd, buf, (int)nBytes, flags);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5322
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5323
11256
025cd1741566 7091417: recvfrom's 6th input should be of type socklen_t
phh
parents: 10739
diff changeset
  5324
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
  5325
  return ::send(fd, buf, (int)nBytes, flags);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5326
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5327
11256
025cd1741566 7091417: recvfrom's 6th input should be of type socklen_t
phh
parents: 10739
diff changeset
  5328
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
  5329
  return ::send(fd, buf, (int)nBytes, flags);
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5330
}
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  5331
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5332
// WINDOWS CONTEXT Flags for THREAD_SAMPLING
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5333
#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
  5334
  #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
  5335
#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
  5336
  #define sampling_context_flags (CONTEXT_FULL | CONTEXT_FLOATING_POINT)
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5337
#endif
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5338
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5339
// returns true if thread could be suspended,
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5340
// false otherwise
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5341
static bool do_suspend(HANDLE* h) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5342
  if (h != NULL) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5343
    if (SuspendThread(*h) != ~0) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5344
      return true;
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5345
    }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5346
  }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5347
  return false;
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5348
}
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5349
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5350
// resume the thread
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5351
// calling resume on an active thread is a no-op
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5352
static void do_resume(HANDLE* h) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5353
  if (h != NULL) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5354
    ResumeThread(*h);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5355
  }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5356
}
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5357
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5358
// retrieve a suspend/resume context capable handle
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5359
// 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
  5360
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
  5361
                                            OSThread::thread_id_t tid) {
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5362
  if (h != NULL) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5363
    *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
  5364
  }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5365
}
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5366
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5367
// Thread sampling implementation
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5368
//
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5369
void os::SuspendedThreadTask::internal_do_task() {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5370
  CONTEXT    ctxt;
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5371
  HANDLE     h = NULL;
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5372
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5373
  // get context capable handle for thread
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5374
  get_thread_handle_for_extended_context(&h, _thread->osthread()->thread_id());
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
  // sanity
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5377
  if (h == NULL || h == INVALID_HANDLE_VALUE) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5378
    return;
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5379
  }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5380
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5381
  // suspend the thread
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5382
  if (do_suspend(&h)) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5383
    ctxt.ContextFlags = sampling_context_flags;
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5384
    // get thread context
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5385
    GetThreadContext(h, &ctxt);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5386
    SuspendedThreadTaskContext context(_thread, &ctxt);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5387
    // pass context to Thread Sampling impl
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5388
    do_task(context);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5389
    // resume thread
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5390
    do_resume(&h);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5391
  }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5392
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5393
  // close handle
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5394
  CloseHandle(h);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5395
}
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17854
diff changeset
  5396
34305
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5397
bool os::start_debugging(char *buf, int buflen) {
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5398
  int len = (int)strlen(buf);
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5399
  char *p = &buf[len];
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5400
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5401
  jio_snprintf(p, buflen-len,
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5402
             "\n\n"
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5403
             "Do you want to debug the problem?\n\n"
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5404
             "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
  5405
             "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
  5406
             "Otherwise, select 'No' to abort...",
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5407
             os::current_process_id(), os::current_thread_id());
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5408
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5409
  bool yes = os::message_box("Unexpected Error", buf);
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5410
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5411
  if (yes) {
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5412
    // os::breakpoint() calls DebugBreak(), which causes a breakpoint
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5413
    // 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
  5414
    // catch the exception. Otherwise, the breakpoint exception will reach
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5415
    // 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
  5416
    // automatically attach to the dying VM.
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5417
    os::breakpoint();
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5418
    yes = false;
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5419
  }
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5420
  return yes;
e399e6b44631 8136978: Much nearly duplicated code for vmError support
sebastian
parents: 33766
diff changeset
  5421
}
10246
adee0cf4c981 7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
zgu
parents: 10023
diff changeset
  5422
19553
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5423
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
  5424
  return (void*)GetModuleHandle(NULL);
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5425
}
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5426
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5427
// 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
  5428
// 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
  5429
// 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
  5430
// Parameters:
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5431
//            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
  5432
//            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
  5433
//            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
  5434
//                                     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
  5435
//            == 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
  5436
//               such as "L"
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5437
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
  5438
                                    bool is_absolute_path) {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5439
  char *agent_entry_name;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5440
  size_t len;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5441
  size_t name_len;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5442
  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
  5443
  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
  5444
  const char *start;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5445
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5446
  if (lib_name != NULL) {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5447
    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
  5448
    if (is_absolute_path) {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5449
      // 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
  5450
      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
  5451
        lib_name = ++start;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5452
      } else {
19973
d98623e1f50b 8024007: Misc. cleanup of static agent code
bpittore
parents: 19560
diff changeset
  5453
        // 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
  5454
        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
  5455
          lib_name = ++start;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5456
        }
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5457
      }
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5458
      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
  5459
        return NULL;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5460
      }
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5461
      lib_name += prefix_len;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5462
      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
  5463
    }
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
  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
  5466
  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
  5467
  if (agent_entry_name == NULL) {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5468
    return NULL;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5469
  }
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5470
  if (lib_name != NULL) {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5471
    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
  5472
    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
  5473
      // sym_name == _Agent_OnLoad@XX
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5474
      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
  5475
      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
  5476
      // agent_entry_name == _Agent_OnLoad
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5477
      strcat(agent_entry_name, "_");
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5478
      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
  5479
      strcat(agent_entry_name, p);
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5480
      // 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
  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
      strcat(agent_entry_name, "_");
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5484
      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
  5485
    }
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5486
  } else {
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5487
    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
  5488
  }
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5489
  return agent_entry_name;
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5490
}
9bbd930be684 8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents: 19274
diff changeset
  5491
19546
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19274
diff changeset
  5492
#ifndef PRODUCT
19981
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5493
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5494
// 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
  5495
// 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
  5496
// 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
  5497
// 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
  5498
// 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
  5499
// 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
  5500
// 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
  5501
// 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
  5502
// 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
  5503
// be legitimate.
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5504
// If -XX:+VerboseInternalVMTests is enabled, print some explanatory messages.
19546
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19274
diff changeset
  5505
void TestReserveMemorySpecial_test() {
19981
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5506
  if (!UseLargePages) {
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5507
    if (VerboseInternalVMTests) {
35061
be6025ebffea 8145092: Use Unified Logging for the GC logging
brutisso
parents: 35056
diff changeset
  5508
      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
  5509
    }
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5510
    return;
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5511
  }
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5512
  // save current value of globals
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5513
  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
  5514
  bool old_use_numa_interleaving = UseNUMAInterleaving;
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5515
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5516
  // 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
  5517
  UseLargePagesIndividualAllocation = UseNUMAInterleaving = false;
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5518
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5519
  // 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
  5520
  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
  5521
  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
  5522
  if (result == NULL) {
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5523
    if (VerboseInternalVMTests) {
35061
be6025ebffea 8145092: Use Unified Logging for the GC logging
brutisso
parents: 35056
diff changeset
  5524
      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
  5525
                          large_allocation_size);
19981
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5526
    }
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5527
  } else {
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5528
    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
  5529
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5530
    // 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
  5531
    // we managed to get it once.
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5532
    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
  5533
    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
  5534
    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
  5535
    if (actual_location == NULL) {
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5536
      if (VerboseInternalVMTests) {
35061
be6025ebffea 8145092: Use Unified Logging for the GC logging
brutisso
parents: 35056
diff changeset
  5537
        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
  5538
                            expected_location, large_allocation_size);
19981
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5539
      }
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5540
    } else {
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5541
      // release memory
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5542
      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
  5543
      // 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
  5544
      assert(actual_location == expected_location,
33105
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 32748
diff changeset
  5545
             "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
  5546
             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
  5547
    }
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
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5550
  // restore globals
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5551
  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
  5552
  UseNUMAInterleaving = old_use_numa_interleaving;
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5553
}
6821d0a573c3 8016825: Large pages for the heap broken on Windows for compressed oops
tschatzl
parents: 19560
diff changeset
  5554
#endif // PRODUCT
34621
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
/*
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5557
  All the defined signal names for Windows.
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5558
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5559
  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
  5560
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5561
  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
  5562
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5563
  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
  5564
  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
  5565
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5566
     (LIST TBD)
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5567
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5568
*/
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5569
int os::get_signal_number(const char* name) {
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5570
  static const struct {
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5571
    char* name;
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5572
    int   number;
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5573
  } siglabels [] =
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5574
    // derived from version 6.0 VC98/include/signal.h
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5575
  {"ABRT",      SIGABRT,        // abnormal termination triggered by abort cl
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5576
  "FPE",        SIGFPE,         // floating point exception
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5577
  "SEGV",       SIGSEGV,        // segment violation
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5578
  "INT",        SIGINT,         // interrupt
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5579
  "TERM",       SIGTERM,        // software term signal from kill
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5580
  "BREAK",      SIGBREAK,       // Ctrl-Break sequence
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5581
  "ILL",        SIGILL};        // illegal instruction
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5582
  for(int i=0;i<sizeof(siglabels)/sizeof(struct siglabel);i++)
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5583
    if(!strcmp(name, siglabels[i].name))
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5584
      return siglabels[i].number;
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5585
  return -1;
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5586
}
7676bec20997 8143291: Remove redundant coding around os::exception_name
stuefe
parents: 34306
diff changeset
  5587
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5588
// Fast current thread access
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5589
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5590
int os::win32::_thread_ptr_offset = 0;
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5591
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5592
static void call_wrapper_dummy() {}
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5593
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5594
// 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
  5595
// 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
  5596
void os::win32::initialize_thread_ptr_offset() {
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5597
  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
  5598
                           NULL, NULL, NULL, NULL);
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 34621
diff changeset
  5599
}