author | ihse |
Tue, 10 Apr 2018 19:46:02 +0200 | |
changeset 49561 | a0f22265e29c |
parent 49449 | ef5d5d343e2a |
child 50177 | 9806f23d5e5e |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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// no precompiled headers |
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#include "jvm.h" |
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#include "classfile/classLoader.hpp" |
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#include "classfile/systemDictionary.hpp" |
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#include "classfile/vmSymbols.hpp" |
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#include "code/icBuffer.hpp" |
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#include "code/vtableStubs.hpp" |
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#include "compiler/compileBroker.hpp" |
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#include "compiler/disassembler.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "logging/log.hpp" |
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#include "memory/allocation.inline.hpp" |
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#include "memory/filemap.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "os_share_solaris.hpp" |
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#include "os_solaris.inline.hpp" |
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#include "prims/jniFastGetField.hpp" |
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#include "prims/jvm_misc.hpp" |
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#include "runtime/arguments.hpp" |
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#include "runtime/atomic.hpp" |
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#include "runtime/extendedPC.hpp" |
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#include "runtime/globals.hpp" |
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#include "runtime/interfaceSupport.inline.hpp" |
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#include "runtime/java.hpp" |
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#include "runtime/javaCalls.hpp" |
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#include "runtime/mutexLocker.hpp" |
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#include "runtime/objectMonitor.hpp" |
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#include "runtime/orderAccess.inline.hpp" |
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#include "runtime/osThread.hpp" |
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#include "runtime/perfMemory.hpp" |
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#include "runtime/sharedRuntime.hpp" |
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#include "runtime/statSampler.hpp" |
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#include "runtime/stubRoutines.hpp" |
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#include "runtime/thread.inline.hpp" |
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#include "runtime/threadCritical.hpp" |
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#include "runtime/timer.hpp" |
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#include "runtime/vm_version.hpp" |
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#include "semaphore_posix.hpp" |
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#include "services/attachListener.hpp" |
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#include "services/memTracker.hpp" |
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#include "services/runtimeService.hpp" |
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#include "utilities/align.hpp" |
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#include "utilities/decoder.hpp" |
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#include "utilities/defaultStream.hpp" |
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#include "utilities/events.hpp" |
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#include "utilities/growableArray.hpp" |
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#include "utilities/macros.hpp" |
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#include "utilities/vmError.hpp" |
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// put OS-includes here |
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# include <dlfcn.h> |
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# include <errno.h> |
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# include <exception> |
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# include <link.h> |
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# include <poll.h> |
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# include <pthread.h> |
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# include <schedctl.h> |
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# include <setjmp.h> |
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# include <signal.h> |
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# include <stdio.h> |
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# include <alloca.h> |
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# include <sys/filio.h> |
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# include <sys/ipc.h> |
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# include <sys/lwp.h> |
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# include <sys/machelf.h> // for elf Sym structure used by dladdr1 |
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# include <sys/mman.h> |
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# include <sys/processor.h> |
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# include <sys/procset.h> |
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# include <sys/pset.h> |
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# include <sys/resource.h> |
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# include <sys/shm.h> |
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# include <sys/socket.h> |
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# include <sys/stat.h> |
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# include <sys/systeminfo.h> |
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# include <sys/time.h> |
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# include <sys/times.h> |
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# include <sys/types.h> |
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# include <sys/wait.h> |
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# include <sys/utsname.h> |
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# include <thread.h> |
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# include <unistd.h> |
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# include <sys/priocntl.h> |
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# include <sys/rtpriocntl.h> |
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# include <sys/tspriocntl.h> |
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# include <sys/iapriocntl.h> |
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# include <sys/fxpriocntl.h> |
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# include <sys/loadavg.h> |
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# include <string.h> |
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# include <stdio.h> |
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# define _STRUCTURED_PROC 1 // this gets us the new structured proc interfaces of 5.6 & later |
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# include <sys/procfs.h> // see comment in <sys/procfs.h> |
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||
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#define MAX_PATH (2 * K) |
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||
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// for timer info max values which include all bits |
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#define ALL_64_BITS CONST64(0xFFFFFFFFFFFFFFFF) |
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123 |
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// Here are some liblgrp types from sys/lgrp_user.h to be able to |
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// compile on older systems without this header file. |
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#ifndef MADV_ACCESS_LWP |
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#define MADV_ACCESS_LWP 7 /* next LWP to access heavily */ |
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#endif |
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#ifndef MADV_ACCESS_MANY |
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#define MADV_ACCESS_MANY 8 /* many processes to access heavily */ |
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#endif |
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#ifndef LGRP_RSRC_CPU |
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#define LGRP_RSRC_CPU 0 /* CPU resources */ |
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#endif |
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#ifndef LGRP_RSRC_MEM |
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#define LGRP_RSRC_MEM 1 /* memory resources */ |
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#endif |
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// Values for ThreadPriorityPolicy == 1 |
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int prio_policy1[CriticalPriority+1] = { |
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-99999, 0, 16, 32, 48, 64, |
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80, 96, 112, 124, 127, 127 }; |
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// System parameters used internally |
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static clock_t clock_tics_per_sec = 100; |
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// Track if we have called enable_extended_FILE_stdio (on Solaris 10u4+) |
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static bool enabled_extended_FILE_stdio = false; |
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// For diagnostics to print a message once. see run_periodic_checks |
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static bool check_addr0_done = false; |
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static sigset_t check_signal_done; |
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static bool check_signals = true; |
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address os::Solaris::handler_start; // start pc of thr_sighndlrinfo |
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address os::Solaris::handler_end; // end pc of thr_sighndlrinfo |
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address os::Solaris::_main_stack_base = NULL; // 4352906 workaround |
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os::Solaris::pthread_setname_np_func_t os::Solaris::_pthread_setname_np = NULL; |
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// "default" initializers for missing libc APIs |
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extern "C" { |
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static int lwp_mutex_init(mutex_t *mx, int scope, void *arg) { memset(mx, 0, sizeof(mutex_t)); return 0; } |
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static int lwp_mutex_destroy(mutex_t *mx) { return 0; } |
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static int lwp_cond_init(cond_t *cv, int scope, void *arg){ memset(cv, 0, sizeof(cond_t)); return 0; } |
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static int lwp_cond_destroy(cond_t *cv) { return 0; } |
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} |
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// "default" initializers for pthread-based synchronization |
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extern "C" { |
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static int pthread_mutex_default_init(mutex_t *mx, int scope, void *arg) { memset(mx, 0, sizeof(mutex_t)); return 0; } |
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static int pthread_cond_default_init(cond_t *cv, int scope, void *arg){ memset(cv, 0, sizeof(cond_t)); return 0; } |
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} |
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static void unpackTime(timespec* absTime, bool isAbsolute, jlong time); |
180 |
||
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static inline size_t adjust_stack_size(address base, size_t size) { |
182 |
if ((ssize_t)size < 0) { |
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// 4759953: Compensate for ridiculous stack size. |
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size = max_intx; |
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} |
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if (size > (size_t)base) { |
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// 4812466: Make sure size doesn't allow the stack to wrap the address space. |
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size = (size_t)base; |
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189 |
} |
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return size; |
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191 |
} |
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192 |
||
193 |
static inline stack_t get_stack_info() { |
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194 |
stack_t st; |
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195 |
int retval = thr_stksegment(&st); |
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st.ss_size = adjust_stack_size((address)st.ss_sp, st.ss_size); |
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197 |
assert(retval == 0, "incorrect return value from thr_stksegment"); |
|
198 |
assert((address)&st < (address)st.ss_sp, "Invalid stack base returned"); |
|
199 |
assert((address)&st > (address)st.ss_sp-st.ss_size, "Invalid stack size returned"); |
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200 |
return st; |
|
201 |
} |
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bool os::is_primordial_thread(void) { |
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int r = thr_main(); |
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guarantee(r == 0 || r == 1, "CR6501650 or CR6493689"); |
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return r == 1; |
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} |
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address os::current_stack_base() { |
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bool _is_primordial_thread = is_primordial_thread(); |
1 | 211 |
|
212 |
// Workaround 4352906, avoid calls to thr_stksegment by |
|
213 |
// thr_main after the first one (it looks like we trash |
|
214 |
// some data, causing the value for ss_sp to be incorrect). |
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if (!_is_primordial_thread || os::Solaris::_main_stack_base == NULL) { |
1 | 216 |
stack_t st = get_stack_info(); |
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217 |
if (_is_primordial_thread) { |
1 | 218 |
// cache initial value of stack base |
219 |
os::Solaris::_main_stack_base = (address)st.ss_sp; |
|
220 |
} |
|
221 |
return (address)st.ss_sp; |
|
222 |
} else { |
|
223 |
guarantee(os::Solaris::_main_stack_base != NULL, "Attempt to use null cached stack base"); |
|
224 |
return os::Solaris::_main_stack_base; |
|
225 |
} |
|
226 |
} |
|
227 |
||
228 |
size_t os::current_stack_size() { |
|
229 |
size_t size; |
|
230 |
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231 |
if (!is_primordial_thread()) { |
1 | 232 |
size = get_stack_info().ss_size; |
233 |
} else { |
|
234 |
struct rlimit limits; |
|
235 |
getrlimit(RLIMIT_STACK, &limits); |
|
236 |
size = adjust_stack_size(os::Solaris::_main_stack_base, (size_t)limits.rlim_cur); |
|
237 |
} |
|
238 |
// base may not be page aligned |
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239 |
address base = current_stack_base(); |
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address bottom = align_up(base - size, os::vm_page_size());; |
1 | 241 |
return (size_t)(base - bottom); |
242 |
} |
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243 |
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struct tm* os::localtime_pd(const time_t* clock, struct tm* res) { |
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return localtime_r(clock, res); |
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} |
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247 |
|
1 | 248 |
void os::Solaris::try_enable_extended_io() { |
249 |
typedef int (*enable_extended_FILE_stdio_t)(int, int); |
|
250 |
||
251 |
if (!UseExtendedFileIO) { |
|
252 |
return; |
|
253 |
} |
|
254 |
||
255 |
enable_extended_FILE_stdio_t enabler = |
|
256 |
(enable_extended_FILE_stdio_t) dlsym(RTLD_DEFAULT, |
|
257 |
"enable_extended_FILE_stdio"); |
|
258 |
if (enabler) { |
|
259 |
enabler(-1, -1); |
|
260 |
} |
|
261 |
} |
|
262 |
||
263 |
static int _processors_online = 0; |
|
264 |
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jint os::Solaris::_os_thread_limit = 0; |
1 | 266 |
volatile jint os::Solaris::_os_thread_count = 0; |
267 |
||
268 |
julong os::available_memory() { |
|
269 |
return Solaris::available_memory(); |
|
270 |
} |
|
271 |
||
272 |
julong os::Solaris::available_memory() { |
|
273 |
return (julong)sysconf(_SC_AVPHYS_PAGES) * os::vm_page_size(); |
|
274 |
} |
|
275 |
||
276 |
julong os::Solaris::_physical_memory = 0; |
|
277 |
||
278 |
julong os::physical_memory() { |
|
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279 |
return Solaris::physical_memory(); |
1 | 280 |
} |
281 |
||
282 |
static hrtime_t first_hrtime = 0; |
|
283 |
static const hrtime_t hrtime_hz = 1000*1000*1000; |
|
284 |
static volatile hrtime_t max_hrtime = 0; |
|
285 |
||
286 |
||
287 |
void os::Solaris::initialize_system_info() { |
|
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|
288 |
set_processor_count(sysconf(_SC_NPROCESSORS_CONF)); |
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289 |
_processors_online = sysconf(_SC_NPROCESSORS_ONLN); |
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290 |
_physical_memory = (julong)sysconf(_SC_PHYS_PAGES) * |
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|
291 |
(julong)sysconf(_SC_PAGESIZE); |
1 | 292 |
} |
293 |
||
294 |
int os::active_processor_count() { |
|
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|
295 |
// User has overridden the number of active processors |
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|
296 |
if (ActiveProcessorCount > 0) { |
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|
297 |
log_trace(os)("active_processor_count: " |
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|
298 |
"active processor count set by user : %d", |
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|
299 |
ActiveProcessorCount); |
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|
300 |
return ActiveProcessorCount; |
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|
301 |
} |
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|
302 |
|
1 | 303 |
int online_cpus = sysconf(_SC_NPROCESSORS_ONLN); |
304 |
pid_t pid = getpid(); |
|
305 |
psetid_t pset = PS_NONE; |
|
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|
306 |
// Are we running in a processor set or is there any processor set around? |
1 | 307 |
if (pset_bind(PS_QUERY, P_PID, pid, &pset) == 0) { |
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|
308 |
uint_t pset_cpus; |
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|
309 |
// Query the number of cpus available to us. |
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|
310 |
if (pset_info(pset, NULL, &pset_cpus, NULL) == 0) { |
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|
311 |
assert(pset_cpus > 0 && pset_cpus <= online_cpus, "sanity check"); |
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|
312 |
_processors_online = pset_cpus; |
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|
313 |
return pset_cpus; |
1 | 314 |
} |
315 |
} |
|
316 |
// Otherwise return number of online cpus |
|
317 |
return online_cpus; |
|
318 |
} |
|
319 |
||
320 |
static bool find_processors_in_pset(psetid_t pset, |
|
321 |
processorid_t** id_array, |
|
322 |
uint_t* id_length) { |
|
323 |
bool result = false; |
|
324 |
// Find the number of processors in the processor set. |
|
325 |
if (pset_info(pset, NULL, id_length, NULL) == 0) { |
|
326 |
// Make up an array to hold their ids. |
|
13195 | 327 |
*id_array = NEW_C_HEAP_ARRAY(processorid_t, *id_length, mtInternal); |
1 | 328 |
// Fill in the array with their processor ids. |
329 |
if (pset_info(pset, NULL, id_length, *id_array) == 0) { |
|
330 |
result = true; |
|
331 |
} |
|
332 |
} |
|
333 |
return result; |
|
334 |
} |
|
335 |
||
336 |
// Callers of find_processors_online() must tolerate imprecise results -- |
|
337 |
// the system configuration can change asynchronously because of DR |
|
338 |
// or explicit psradm operations. |
|
339 |
// |
|
340 |
// We also need to take care that the loop (below) terminates as the |
|
341 |
// number of processors online can change between the _SC_NPROCESSORS_ONLN |
|
342 |
// request and the loop that builds the list of processor ids. Unfortunately |
|
343 |
// there's no reliable way to determine the maximum valid processor id, |
|
344 |
// so we use a manifest constant, MAX_PROCESSOR_ID, instead. See p_online |
|
345 |
// man pages, which claim the processor id set is "sparse, but |
|
346 |
// not too sparse". MAX_PROCESSOR_ID is used to ensure that we eventually |
|
347 |
// exit the loop. |
|
348 |
// |
|
349 |
// In the future we'll be able to use sysconf(_SC_CPUID_MAX), but that's |
|
350 |
// not available on S8.0. |
|
351 |
||
352 |
static bool find_processors_online(processorid_t** id_array, |
|
353 |
uint* id_length) { |
|
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|
354 |
const processorid_t MAX_PROCESSOR_ID = 100000; |
1 | 355 |
// Find the number of processors online. |
356 |
*id_length = sysconf(_SC_NPROCESSORS_ONLN); |
|
357 |
// Make up an array to hold their ids. |
|
13195 | 358 |
*id_array = NEW_C_HEAP_ARRAY(processorid_t, *id_length, mtInternal); |
1 | 359 |
// Processors need not be numbered consecutively. |
360 |
long found = 0; |
|
361 |
processorid_t next = 0; |
|
362 |
while (found < *id_length && next < MAX_PROCESSOR_ID) { |
|
363 |
processor_info_t info; |
|
364 |
if (processor_info(next, &info) == 0) { |
|
365 |
// NB, PI_NOINTR processors are effectively online ... |
|
366 |
if (info.pi_state == P_ONLINE || info.pi_state == P_NOINTR) { |
|
367 |
(*id_array)[found] = next; |
|
368 |
found += 1; |
|
369 |
} |
|
370 |
} |
|
371 |
next += 1; |
|
372 |
} |
|
373 |
if (found < *id_length) { |
|
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|
374 |
// The loop above didn't identify the expected number of processors. |
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|
375 |
// We could always retry the operation, calling sysconf(_SC_NPROCESSORS_ONLN) |
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|
376 |
// and re-running the loop, above, but there's no guarantee of progress |
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|
377 |
// if the system configuration is in flux. Instead, we just return what |
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|
378 |
// we've got. Note that in the worst case find_processors_online() could |
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|
379 |
// return an empty set. (As a fall-back in the case of the empty set we |
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|
380 |
// could just return the ID of the current processor). |
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|
381 |
*id_length = found; |
1 | 382 |
} |
383 |
||
384 |
return true; |
|
385 |
} |
|
386 |
||
387 |
static bool assign_distribution(processorid_t* id_array, |
|
388 |
uint id_length, |
|
389 |
uint* distribution, |
|
390 |
uint distribution_length) { |
|
391 |
// We assume we can assign processorid_t's to uint's. |
|
392 |
assert(sizeof(processorid_t) == sizeof(uint), |
|
393 |
"can't convert processorid_t to uint"); |
|
394 |
// Quick check to see if we won't succeed. |
|
395 |
if (id_length < distribution_length) { |
|
396 |
return false; |
|
397 |
} |
|
398 |
// Assign processor ids to the distribution. |
|
399 |
// Try to shuffle processors to distribute work across boards, |
|
400 |
// assuming 4 processors per board. |
|
401 |
const uint processors_per_board = ProcessDistributionStride; |
|
402 |
// Find the maximum processor id. |
|
403 |
processorid_t max_id = 0; |
|
404 |
for (uint m = 0; m < id_length; m += 1) { |
|
405 |
max_id = MAX2(max_id, id_array[m]); |
|
406 |
} |
|
407 |
// The next id, to limit loops. |
|
408 |
const processorid_t limit_id = max_id + 1; |
|
409 |
// Make up markers for available processors. |
|
13195 | 410 |
bool* available_id = NEW_C_HEAP_ARRAY(bool, limit_id, mtInternal); |
1 | 411 |
for (uint c = 0; c < limit_id; c += 1) { |
412 |
available_id[c] = false; |
|
413 |
} |
|
414 |
for (uint a = 0; a < id_length; a += 1) { |
|
415 |
available_id[id_array[a]] = true; |
|
416 |
} |
|
417 |
// Step by "boards", then by "slot", copying to "assigned". |
|
418 |
// NEEDS_CLEANUP: The assignment of processors should be stateful, |
|
419 |
// remembering which processors have been assigned by |
|
420 |
// previous calls, etc., so as to distribute several |
|
421 |
// independent calls of this method. What we'd like is |
|
422 |
// It would be nice to have an API that let us ask |
|
423 |
// how many processes are bound to a processor, |
|
424 |
// but we don't have that, either. |
|
425 |
// In the short term, "board" is static so that |
|
426 |
// subsequent distributions don't all start at board 0. |
|
427 |
static uint board = 0; |
|
428 |
uint assigned = 0; |
|
429 |
// Until we've found enough processors .... |
|
430 |
while (assigned < distribution_length) { |
|
431 |
// ... find the next available processor in the board. |
|
432 |
for (uint slot = 0; slot < processors_per_board; slot += 1) { |
|
433 |
uint try_id = board * processors_per_board + slot; |
|
434 |
if ((try_id < limit_id) && (available_id[try_id] == true)) { |
|
435 |
distribution[assigned] = try_id; |
|
436 |
available_id[try_id] = false; |
|
437 |
assigned += 1; |
|
438 |
break; |
|
439 |
} |
|
440 |
} |
|
441 |
board += 1; |
|
442 |
if (board * processors_per_board + 0 >= limit_id) { |
|
443 |
board = 0; |
|
444 |
} |
|
445 |
} |
|
446 |
if (available_id != NULL) { |
|
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|
447 |
FREE_C_HEAP_ARRAY(bool, available_id); |
1 | 448 |
} |
449 |
return true; |
|
450 |
} |
|
451 |
||
10739 | 452 |
void os::set_native_thread_name(const char *name) { |
37442
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|
453 |
if (Solaris::_pthread_setname_np != NULL) { |
942637261b21
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|
454 |
// Only the first 31 bytes of 'name' are processed by pthread_setname_np |
942637261b21
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|
455 |
// but we explicitly copy into a size-limited buffer to avoid any |
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diff
changeset
|
456 |
// possible overflow. |
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diff
changeset
|
457 |
char buf[32]; |
942637261b21
8151322: Implement os::set_native_thread_name() on Solaris
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changeset
|
458 |
snprintf(buf, sizeof(buf), "%s", name); |
942637261b21
8151322: Implement os::set_native_thread_name() on Solaris
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changeset
|
459 |
buf[sizeof(buf) - 1] = '\0'; |
942637261b21
8151322: Implement os::set_native_thread_name() on Solaris
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changeset
|
460 |
Solaris::_pthread_setname_np(pthread_self(), buf); |
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changeset
|
461 |
} |
10739 | 462 |
} |
463 |
||
1 | 464 |
bool os::distribute_processes(uint length, uint* distribution) { |
465 |
bool result = false; |
|
466 |
// Find the processor id's of all the available CPUs. |
|
467 |
processorid_t* id_array = NULL; |
|
468 |
uint id_length = 0; |
|
469 |
// There are some races between querying information and using it, |
|
470 |
// since processor sets can change dynamically. |
|
471 |
psetid_t pset = PS_NONE; |
|
472 |
// Are we running in a processor set? |
|
473 |
if ((pset_bind(PS_QUERY, P_PID, P_MYID, &pset) == 0) && pset != PS_NONE) { |
|
474 |
result = find_processors_in_pset(pset, &id_array, &id_length); |
|
475 |
} else { |
|
476 |
result = find_processors_online(&id_array, &id_length); |
|
477 |
} |
|
478 |
if (result == true) { |
|
479 |
if (id_length >= length) { |
|
480 |
result = assign_distribution(id_array, id_length, distribution, length); |
|
481 |
} else { |
|
482 |
result = false; |
|
483 |
} |
|
484 |
} |
|
485 |
if (id_array != NULL) { |
|
27880
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changeset
|
486 |
FREE_C_HEAP_ARRAY(processorid_t, id_array); |
1 | 487 |
} |
488 |
return result; |
|
489 |
} |
|
490 |
||
491 |
bool os::bind_to_processor(uint processor_id) { |
|
492 |
// We assume that a processorid_t can be stored in a uint. |
|
493 |
assert(sizeof(uint) == sizeof(processorid_t), |
|
494 |
"can't convert uint to processorid_t"); |
|
495 |
int bind_result = |
|
496 |
processor_bind(P_LWPID, // bind LWP. |
|
497 |
P_MYID, // bind current LWP. |
|
498 |
(processorid_t) processor_id, // id. |
|
499 |
NULL); // don't return old binding. |
|
500 |
return (bind_result == 0); |
|
501 |
} |
|
502 |
||
503 |
// Return true if user is running as root. |
|
504 |
||
505 |
bool os::have_special_privileges() { |
|
506 |
static bool init = false; |
|
507 |
static bool privileges = false; |
|
508 |
if (!init) { |
|
509 |
privileges = (getuid() != geteuid()) || (getgid() != getegid()); |
|
510 |
init = true; |
|
511 |
} |
|
512 |
return privileges; |
|
513 |
} |
|
514 |
||
515 |
||
516 |
void os::init_system_properties_values() { |
|
517 |
// The next steps are taken in the product version: |
|
518 |
// |
|
15096
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|
519 |
// Obtain the JAVA_HOME value from the location of libjvm.so. |
1 | 520 |
// This library should be located at: |
15096
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diff
changeset
|
521 |
// <JAVA_HOME>/jre/lib/<arch>/{client|server}/libjvm.so. |
1 | 522 |
// |
523 |
// If "/jre/lib/" appears at the right place in the path, then we |
|
15096
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changeset
|
524 |
// assume libjvm.so is installed in a JDK and we use this path. |
1 | 525 |
// |
526 |
// Otherwise exit with message: "Could not create the Java virtual machine." |
|
527 |
// |
|
528 |
// The following extra steps are taken in the debugging version: |
|
529 |
// |
|
530 |
// If "/jre/lib/" does NOT appear at the right place in the path |
|
531 |
// instead of exit check for $JAVA_HOME environment variable. |
|
532 |
// |
|
533 |
// If it is defined and we are able to locate $JAVA_HOME/jre/lib/<arch>, |
|
15096
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parents:
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diff
changeset
|
534 |
// then we append a fake suffix "hotspot/libjvm.so" to this path so |
3db45569f8c0
8005044: remove crufty '_g' support from HS runtime code
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parents:
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diff
changeset
|
535 |
// it looks like libjvm.so is installed there |
3db45569f8c0
8005044: remove crufty '_g' support from HS runtime code
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diff
changeset
|
536 |
// <JAVA_HOME>/jre/lib/<arch>/hotspot/libjvm.so. |
1 | 537 |
// |
538 |
// Otherwise exit. |
|
539 |
// |
|
540 |
// Important note: if the location of libjvm.so changes this |
|
541 |
// code needs to be changed accordingly. |
|
542 |
||
23522
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
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23444
diff
changeset
|
543 |
// Base path of extensions installed on the system. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
544 |
#define SYS_EXT_DIR "/usr/jdk/packages" |
1 | 545 |
#define EXTENSIONS_DIR "/lib/ext" |
23522
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
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diff
changeset
|
546 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
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parents:
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diff
changeset
|
547 |
// Buffer that fits several sprintfs. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
548 |
// Note that the space for the colon and the trailing null are provided |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
549 |
// by the nulls included by the sizeof operator. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
550 |
const size_t bufsize = |
27562 | 551 |
MAX3((size_t)MAXPATHLEN, // For dll_dir & friends. |
42633
0c23e9d8fccf
8066474: Remove the lib/ directory from Linux and Solaris images
erikj
parents:
41707
diff
changeset
|
552 |
sizeof(SYS_EXT_DIR) + sizeof("/lib/"), // invariant ld_library_path |
27562 | 553 |
(size_t)MAXPATHLEN + sizeof(EXTENSIONS_DIR) + sizeof(SYS_EXT_DIR) + sizeof(EXTENSIONS_DIR)); // extensions dir |
23522
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
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diff
changeset
|
554 |
char *buf = (char *)NEW_C_HEAP_ARRAY(char, bufsize, mtInternal); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
555 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
556 |
// sysclasspath, java_home, dll_dir |
1 | 557 |
{ |
23522
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
558 |
char *pslash; |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
559 |
os::jvm_path(buf, bufsize); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
560 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
561 |
// Found the full path to libjvm.so. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
562 |
// Now cut the path to <java_home>/jre if we can. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
563 |
*(strrchr(buf, '/')) = '\0'; // Get rid of /libjvm.so. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
564 |
pslash = strrchr(buf, '/'); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
565 |
if (pslash != NULL) { |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
566 |
*pslash = '\0'; // Get rid of /{client|server|hotspot}. |
1 | 567 |
} |
23522
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
568 |
Arguments::set_dll_dir(buf); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
569 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
570 |
if (pslash != NULL) { |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
571 |
pslash = strrchr(buf, '/'); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
572 |
if (pslash != NULL) { |
42633
0c23e9d8fccf
8066474: Remove the lib/ directory from Linux and Solaris images
erikj
parents:
41707
diff
changeset
|
573 |
*pslash = '\0'; // Get rid of /lib. |
1 | 574 |
} |
23522
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
575 |
} |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
576 |
Arguments::set_java_home(buf); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
577 |
set_boot_path('/', ':'); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
578 |
} |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
579 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
580 |
// Where to look for native libraries. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
581 |
{ |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
582 |
// Use dlinfo() to determine the correct java.library.path. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
583 |
// |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
584 |
// If we're launched by the Java launcher, and the user |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
585 |
// does not set java.library.path explicitly on the commandline, |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
586 |
// the Java launcher sets LD_LIBRARY_PATH for us and unsets |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
587 |
// LD_LIBRARY_PATH_32 and LD_LIBRARY_PATH_64. In this case |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
588 |
// dlinfo returns LD_LIBRARY_PATH + crle settings (including |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
589 |
// /usr/lib), which is exactly what we want. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
590 |
// |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
591 |
// If the user does set java.library.path, it completely |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
592 |
// overwrites this setting, and always has. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
593 |
// |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
594 |
// If we're not launched by the Java launcher, we may |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
595 |
// get here with any/all of the LD_LIBRARY_PATH[_32|64] |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
596 |
// settings. Again, dlinfo does exactly what we want. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
597 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
598 |
Dl_serinfo info_sz, *info = &info_sz; |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
599 |
Dl_serpath *path; |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
600 |
char *library_path; |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
601 |
char *common_path = buf; |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
602 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
603 |
// Determine search path count and required buffer size. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
604 |
if (dlinfo(RTLD_SELF, RTLD_DI_SERINFOSIZE, (void *)info) == -1) { |
27880
afb974a04396
8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents:
27636
diff
changeset
|
605 |
FREE_C_HEAP_ARRAY(char, buf); |
23522
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
606 |
vm_exit_during_initialization("dlinfo SERINFOSIZE request", dlerror()); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
607 |
} |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
608 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
609 |
// Allocate new buffer and initialize. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
610 |
info = (Dl_serinfo*)NEW_C_HEAP_ARRAY(char, info_sz.dls_size, mtInternal); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
611 |
info->dls_size = info_sz.dls_size; |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
612 |
info->dls_cnt = info_sz.dls_cnt; |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
613 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
614 |
// Obtain search path information. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
615 |
if (dlinfo(RTLD_SELF, RTLD_DI_SERINFO, (void *)info) == -1) { |
27880
afb974a04396
8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents:
27636
diff
changeset
|
616 |
FREE_C_HEAP_ARRAY(char, buf); |
afb974a04396
8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents:
27636
diff
changeset
|
617 |
FREE_C_HEAP_ARRAY(char, info); |
23522
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
618 |
vm_exit_during_initialization("dlinfo SERINFO request", dlerror()); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
619 |
} |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
620 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
621 |
path = &info->dls_serpath[0]; |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
622 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
623 |
// Note: Due to a legacy implementation, most of the library path |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
624 |
// is set in the launcher. This was to accomodate linking restrictions |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
625 |
// on legacy Solaris implementations (which are no longer supported). |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
626 |
// Eventually, all the library path setting will be done here. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
627 |
// |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
628 |
// However, to prevent the proliferation of improperly built native |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
629 |
// libraries, the new path component /usr/jdk/packages is added here. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
630 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
631 |
// Construct the invariant part of ld_library_path. |
42633
0c23e9d8fccf
8066474: Remove the lib/ directory from Linux and Solaris images
erikj
parents:
41707
diff
changeset
|
632 |
sprintf(common_path, SYS_EXT_DIR "/lib"); |
23522
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
633 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
634 |
// Struct size is more than sufficient for the path components obtained |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
635 |
// through the dlinfo() call, so only add additional space for the path |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
636 |
// components explicitly added here. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
637 |
size_t library_path_size = info->dls_size + strlen(common_path); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
638 |
library_path = (char *)NEW_C_HEAP_ARRAY(char, library_path_size, mtInternal); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
639 |
library_path[0] = '\0'; |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
640 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
641 |
// Construct the desired Java library path from the linker's library |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
642 |
// search path. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
643 |
// |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
644 |
// For compatibility, it is optimal that we insert the additional path |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
645 |
// components specific to the Java VM after those components specified |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
646 |
// in LD_LIBRARY_PATH (if any) but before those added by the ld.so |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
647 |
// infrastructure. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
648 |
if (info->dls_cnt == 0) { // Not sure this can happen, but allow for it. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
649 |
strcpy(library_path, common_path); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
650 |
} else { |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
651 |
int inserted = 0; |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
652 |
int i; |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
653 |
for (i = 0; i < info->dls_cnt; i++, path++) { |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
654 |
uint_t flags = path->dls_flags & LA_SER_MASK; |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
655 |
if (((flags & LA_SER_LIBPATH) == 0) && !inserted) { |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
656 |
strcat(library_path, common_path); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
657 |
strcat(library_path, os::path_separator()); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
658 |
inserted = 1; |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
659 |
} |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
660 |
strcat(library_path, path->dls_name); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
661 |
strcat(library_path, os::path_separator()); |
1 | 662 |
} |
23522
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
663 |
// Eliminate trailing path separator. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
664 |
library_path[strlen(library_path)-1] = '\0'; |
1 | 665 |
} |
666 |
||
23522
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
667 |
// happens before argument parsing - can't use a trace flag |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
668 |
// tty->print_raw("init_system_properties_values: native lib path: "); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
669 |
// tty->print_raw_cr(library_path); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
670 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
671 |
// Callee copies into its own buffer. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
672 |
Arguments::set_library_path(library_path); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
673 |
|
27880
afb974a04396
8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents:
27636
diff
changeset
|
674 |
FREE_C_HEAP_ARRAY(char, library_path); |
afb974a04396
8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents:
27636
diff
changeset
|
675 |
FREE_C_HEAP_ARRAY(char, info); |
23522
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
676 |
} |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
677 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
678 |
// Extensions directories. |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
679 |
sprintf(buf, "%s" EXTENSIONS_DIR ":" SYS_EXT_DIR EXTENSIONS_DIR, Arguments::get_java_home()); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
680 |
Arguments::set_ext_dirs(buf); |
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
681 |
|
27880
afb974a04396
8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents:
27636
diff
changeset
|
682 |
FREE_C_HEAP_ARRAY(char, buf); |
23522
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
683 |
|
217a6a90aad3
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
goetz
parents:
23444
diff
changeset
|
684 |
#undef SYS_EXT_DIR |
1 | 685 |
#undef EXTENSIONS_DIR |
686 |
} |
|
687 |
||
688 |
void os::breakpoint() { |
|
689 |
BREAKPOINT; |
|
690 |
} |
|
691 |
||
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
692 |
bool os::obsolete_option(const JavaVMOption *option) { |
1 | 693 |
if (!strncmp(option->optionString, "-Xt", 3)) { |
694 |
return true; |
|
695 |
} else if (!strncmp(option->optionString, "-Xtm", 4)) { |
|
696 |
return true; |
|
697 |
} else if (!strncmp(option->optionString, "-Xverifyheap", 12)) { |
|
698 |
return true; |
|
699 |
} else if (!strncmp(option->optionString, "-Xmaxjitcodesize", 16)) { |
|
700 |
return true; |
|
701 |
} |
|
702 |
return false; |
|
703 |
} |
|
704 |
||
705 |
bool os::Solaris::valid_stack_address(Thread* thread, address sp) { |
|
706 |
address stackStart = (address)thread->stack_base(); |
|
707 |
address stackEnd = (address)(stackStart - (address)thread->stack_size()); |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
708 |
if (sp < stackStart && sp >= stackEnd) return true; |
1 | 709 |
return false; |
710 |
} |
|
711 |
||
712 |
extern "C" void breakpoint() { |
|
713 |
// use debugger to set breakpoint here |
|
714 |
} |
|
715 |
||
716 |
static thread_t main_thread; |
|
717 |
||
38290
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
718 |
// Thread start routine for all newly created threads |
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
719 |
extern "C" void* thread_native_entry(void* thread_addr) { |
1 | 720 |
// Try to randomize the cache line index of hot stack frames. |
721 |
// This helps when threads of the same stack traces evict each other's |
|
722 |
// cache lines. The threads can be either from the same JVM instance, or |
|
723 |
// from different JVM instances. The benefit is especially true for |
|
724 |
// processors with hyperthreading technology. |
|
725 |
static int counter = 0; |
|
726 |
int pid = os::current_process_id(); |
|
727 |
alloca(((pid ^ counter++) & 7) * 128); |
|
728 |
||
729 |
int prio; |
|
730 |
Thread* thread = (Thread*)thread_addr; |
|
34633
2a6c7c7b30a7
8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents:
34621
diff
changeset
|
731 |
|
2a6c7c7b30a7
8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents:
34621
diff
changeset
|
732 |
thread->initialize_thread_current(); |
2a6c7c7b30a7
8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents:
34621
diff
changeset
|
733 |
|
1 | 734 |
OSThread* osthr = thread->osthread(); |
735 |
||
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
736 |
osthr->set_lwp_id(_lwp_self()); // Store lwp in case we are bound |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
737 |
thread->_schedctl = (void *) schedctl_init(); |
1 | 738 |
|
36355
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
739 |
log_info(os, thread)("Thread is alive (tid: " UINTX_FORMAT ").", |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
740 |
os::current_thread_id()); |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
741 |
|
1 | 742 |
if (UseNUMA) { |
743 |
int lgrp_id = os::numa_get_group_id(); |
|
744 |
if (lgrp_id != -1) { |
|
745 |
thread->set_lgrp_id(lgrp_id); |
|
746 |
} |
|
747 |
} |
|
748 |
||
38638
c053db913695
8149901: [Solaris] Use of -XX:+UseThreadPriorities crashes fastdebug
dholmes
parents:
38290
diff
changeset
|
749 |
// Our priority was set when we were created, and stored in the |
c053db913695
8149901: [Solaris] Use of -XX:+UseThreadPriorities crashes fastdebug
dholmes
parents:
38290
diff
changeset
|
750 |
// osthread, but couldn't be passed through to our LWP until now. |
c053db913695
8149901: [Solaris] Use of -XX:+UseThreadPriorities crashes fastdebug
dholmes
parents:
38290
diff
changeset
|
751 |
// So read back the priority and set it again. |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
752 |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
753 |
if (osthr->thread_id() != -1) { |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
754 |
if (UseThreadPriorities) { |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
755 |
int prio = osthr->native_priority(); |
1 | 756 |
if (ThreadPriorityVerbose) { |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
757 |
tty->print_cr("Starting Thread " INTPTR_FORMAT ", LWP is " |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
758 |
INTPTR_FORMAT ", setting priority: %d\n", |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
759 |
osthr->thread_id(), osthr->lwp_id(), prio); |
1 | 760 |
} |
761 |
os::set_native_priority(thread, prio); |
|
762 |
} |
|
763 |
} else if (ThreadPriorityVerbose) { |
|
764 |
warning("Can't set priority in _start routine, thread id hasn't been set\n"); |
|
765 |
} |
|
766 |
||
767 |
assert(osthr->get_state() == RUNNABLE, "invalid os thread state"); |
|
768 |
||
769 |
// initialize signal mask for this thread |
|
770 |
os::Solaris::hotspot_sigmask(thread); |
|
771 |
||
772 |
thread->run(); |
|
773 |
||
774 |
// One less thread is executing |
|
775 |
// When the VMThread gets here, the main thread may have already exited |
|
776 |
// which frees the CodeHeap containing the Atomic::dec code |
|
777 |
if (thread != VMThread::vm_thread() && VMThread::vm_thread() != NULL) { |
|
778 |
Atomic::dec(&os::Solaris::_os_thread_count); |
|
779 |
} |
|
780 |
||
36355
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
781 |
log_info(os, thread)("Thread finished (tid: " UINTX_FORMAT ").", os::current_thread_id()); |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
782 |
|
38290
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
783 |
// If a thread has not deleted itself ("delete this") as part of its |
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
784 |
// termination sequence, we have to ensure thread-local-storage is |
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
785 |
// cleared before we actually terminate. No threads should ever be |
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
786 |
// deleted asynchronously with respect to their termination. |
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
787 |
if (Thread::current_or_null_safe() != NULL) { |
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
788 |
assert(Thread::current_or_null_safe() == thread, "current thread is wrong"); |
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
789 |
thread->clear_thread_current(); |
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
790 |
} |
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
791 |
|
1 | 792 |
if (UseDetachedThreads) { |
793 |
thr_exit(NULL); |
|
794 |
ShouldNotReachHere(); |
|
795 |
} |
|
796 |
return NULL; |
|
797 |
} |
|
798 |
||
799 |
static OSThread* create_os_thread(Thread* thread, thread_t thread_id) { |
|
800 |
// Allocate the OSThread object |
|
801 |
OSThread* osthread = new OSThread(NULL, NULL); |
|
802 |
if (osthread == NULL) return NULL; |
|
803 |
||
804 |
// Store info on the Solaris thread into the OSThread |
|
805 |
osthread->set_thread_id(thread_id); |
|
806 |
osthread->set_lwp_id(_lwp_self()); |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
807 |
thread->_schedctl = (void *) schedctl_init(); |
1 | 808 |
|
809 |
if (UseNUMA) { |
|
810 |
int lgrp_id = os::numa_get_group_id(); |
|
811 |
if (lgrp_id != -1) { |
|
812 |
thread->set_lgrp_id(lgrp_id); |
|
813 |
} |
|
814 |
} |
|
815 |
||
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
816 |
if (ThreadPriorityVerbose) { |
1 | 817 |
tty->print_cr("In create_os_thread, Thread " INTPTR_FORMAT ", LWP is " INTPTR_FORMAT "\n", |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
818 |
osthread->thread_id(), osthread->lwp_id()); |
1 | 819 |
} |
820 |
||
821 |
// Initial thread state is INITIALIZED, not SUSPENDED |
|
822 |
osthread->set_state(INITIALIZED); |
|
823 |
||
824 |
return osthread; |
|
825 |
} |
|
826 |
||
827 |
void os::Solaris::hotspot_sigmask(Thread* thread) { |
|
828 |
//Save caller's signal mask |
|
829 |
sigset_t sigmask; |
|
35501
e0450beb58bf
8143558: evaluate if thr_sigsetmask can be removed from hotspot (solaris) codebase
sebastian
parents:
35201
diff
changeset
|
830 |
pthread_sigmask(SIG_SETMASK, NULL, &sigmask); |
1 | 831 |
OSThread *osthread = thread->osthread(); |
832 |
osthread->set_caller_sigmask(sigmask); |
|
833 |
||
35501
e0450beb58bf
8143558: evaluate if thr_sigsetmask can be removed from hotspot (solaris) codebase
sebastian
parents:
35201
diff
changeset
|
834 |
pthread_sigmask(SIG_UNBLOCK, os::Solaris::unblocked_signals(), NULL); |
1 | 835 |
if (!ReduceSignalUsage) { |
836 |
if (thread->is_VM_thread()) { |
|
837 |
// Only the VM thread handles BREAK_SIGNAL ... |
|
35501
e0450beb58bf
8143558: evaluate if thr_sigsetmask can be removed from hotspot (solaris) codebase
sebastian
parents:
35201
diff
changeset
|
838 |
pthread_sigmask(SIG_UNBLOCK, vm_signals(), NULL); |
1 | 839 |
} else { |
840 |
// ... all other threads block BREAK_SIGNAL |
|
841 |
assert(!sigismember(vm_signals(), SIGINT), "SIGINT should not be blocked"); |
|
35501
e0450beb58bf
8143558: evaluate if thr_sigsetmask can be removed from hotspot (solaris) codebase
sebastian
parents:
35201
diff
changeset
|
842 |
pthread_sigmask(SIG_BLOCK, vm_signals(), NULL); |
1 | 843 |
} |
844 |
} |
|
845 |
} |
|
846 |
||
847 |
bool os::create_attached_thread(JavaThread* thread) { |
|
848 |
#ifdef ASSERT |
|
849 |
thread->verify_not_published(); |
|
850 |
#endif |
|
851 |
OSThread* osthread = create_os_thread(thread, thr_self()); |
|
852 |
if (osthread == NULL) { |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
853 |
return false; |
1 | 854 |
} |
855 |
||
856 |
// Initial thread state is RUNNABLE |
|
857 |
osthread->set_state(RUNNABLE); |
|
858 |
thread->set_osthread(osthread); |
|
859 |
||
860 |
// initialize signal mask for this thread |
|
861 |
// and save the caller's signal mask |
|
862 |
os::Solaris::hotspot_sigmask(thread); |
|
863 |
||
36355
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
864 |
log_info(os, thread)("Thread attached (tid: " UINTX_FORMAT ").", |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
865 |
os::current_thread_id()); |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
866 |
|
1 | 867 |
return true; |
868 |
} |
|
869 |
||
870 |
bool os::create_main_thread(JavaThread* thread) { |
|
871 |
#ifdef ASSERT |
|
872 |
thread->verify_not_published(); |
|
873 |
#endif |
|
874 |
if (_starting_thread == NULL) { |
|
875 |
_starting_thread = create_os_thread(thread, main_thread); |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
876 |
if (_starting_thread == NULL) { |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
877 |
return false; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
878 |
} |
1 | 879 |
} |
880 |
||
881 |
// The primodial thread is runnable from the start |
|
882 |
_starting_thread->set_state(RUNNABLE); |
|
883 |
||
884 |
thread->set_osthread(_starting_thread); |
|
885 |
||
886 |
// initialize signal mask for this thread |
|
887 |
// and save the caller's signal mask |
|
888 |
os::Solaris::hotspot_sigmask(thread); |
|
889 |
||
890 |
return true; |
|
891 |
} |
|
892 |
||
36355
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
893 |
// Helper function to trace thread attributes, similar to os::Posix::describe_pthread_attr() |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
894 |
static char* describe_thr_create_attributes(char* buf, size_t buflen, |
36379
0c596dc28ed7
8150619: Improve thread based logging introduced with 8149036
stuefe
parents:
36355
diff
changeset
|
895 |
size_t stacksize, long flags) { |
36355
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
896 |
stringStream ss(buf, buflen); |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
897 |
ss.print("stacksize: " SIZE_FORMAT "k, ", stacksize / 1024); |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
898 |
ss.print("flags: "); |
36379
0c596dc28ed7
8150619: Improve thread based logging introduced with 8149036
stuefe
parents:
36355
diff
changeset
|
899 |
#define PRINT_FLAG(f) if (flags & f) ss.print( #f " "); |
36355
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
900 |
#define ALL(X) \ |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
901 |
X(THR_SUSPENDED) \ |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
902 |
X(THR_DETACHED) \ |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
903 |
X(THR_BOUND) \ |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
904 |
X(THR_NEW_LWP) \ |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
905 |
X(THR_DAEMON) |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
906 |
ALL(PRINT_FLAG) |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
907 |
#undef ALL |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
908 |
#undef PRINT_FLAG |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
909 |
return buf; |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
910 |
} |
1 | 911 |
|
41070
496463b4e206
8140520: segfault on solaris-amd64 with "-XX:VMThreadStackSize=1" option
rdurbin
parents:
40667
diff
changeset
|
912 |
// return default stack size for thr_type |
496463b4e206
8140520: segfault on solaris-amd64 with "-XX:VMThreadStackSize=1" option
rdurbin
parents:
40667
diff
changeset
|
913 |
size_t os::Posix::default_stack_size(os::ThreadType thr_type) { |
496463b4e206
8140520: segfault on solaris-amd64 with "-XX:VMThreadStackSize=1" option
rdurbin
parents:
40667
diff
changeset
|
914 |
// default stack size when not specified by caller is 1M (2M for LP64) |
496463b4e206
8140520: segfault on solaris-amd64 with "-XX:VMThreadStackSize=1" option
rdurbin
parents:
40667
diff
changeset
|
915 |
size_t s = (BytesPerWord >> 2) * K * K; |
496463b4e206
8140520: segfault on solaris-amd64 with "-XX:VMThreadStackSize=1" option
rdurbin
parents:
40667
diff
changeset
|
916 |
return s; |
496463b4e206
8140520: segfault on solaris-amd64 with "-XX:VMThreadStackSize=1" option
rdurbin
parents:
40667
diff
changeset
|
917 |
} |
496463b4e206
8140520: segfault on solaris-amd64 with "-XX:VMThreadStackSize=1" option
rdurbin
parents:
40667
diff
changeset
|
918 |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
919 |
bool os::create_thread(Thread* thread, ThreadType thr_type, |
41070
496463b4e206
8140520: segfault on solaris-amd64 with "-XX:VMThreadStackSize=1" option
rdurbin
parents:
40667
diff
changeset
|
920 |
size_t req_stack_size) { |
1 | 921 |
// Allocate the OSThread object |
922 |
OSThread* osthread = new OSThread(NULL, NULL); |
|
923 |
if (osthread == NULL) { |
|
924 |
return false; |
|
925 |
} |
|
926 |
||
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
927 |
if (ThreadPriorityVerbose) { |
1 | 928 |
char *thrtyp; |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
929 |
switch (thr_type) { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
930 |
case vm_thread: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
931 |
thrtyp = (char *)"vm"; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
932 |
break; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
933 |
case cgc_thread: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
934 |
thrtyp = (char *)"cgc"; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
935 |
break; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
936 |
case pgc_thread: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
937 |
thrtyp = (char *)"pgc"; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
938 |
break; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
939 |
case java_thread: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
940 |
thrtyp = (char *)"java"; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
941 |
break; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
942 |
case compiler_thread: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
943 |
thrtyp = (char *)"compiler"; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
944 |
break; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
945 |
case watcher_thread: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
946 |
thrtyp = (char *)"watcher"; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
947 |
break; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
948 |
default: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
949 |
thrtyp = (char *)"unknown"; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
950 |
break; |
1 | 951 |
} |
952 |
tty->print_cr("In create_thread, creating a %s thread\n", thrtyp); |
|
953 |
} |
|
954 |
||
41070
496463b4e206
8140520: segfault on solaris-amd64 with "-XX:VMThreadStackSize=1" option
rdurbin
parents:
40667
diff
changeset
|
955 |
// calculate stack size if it's not specified by caller |
496463b4e206
8140520: segfault on solaris-amd64 with "-XX:VMThreadStackSize=1" option
rdurbin
parents:
40667
diff
changeset
|
956 |
size_t stack_size = os::Posix::get_initial_stack_size(thr_type, req_stack_size); |
1 | 957 |
|
958 |
// Initial state is ALLOCATED but not INITIALIZED |
|
959 |
osthread->set_state(ALLOCATED); |
|
960 |
||
961 |
if (os::Solaris::_os_thread_count > os::Solaris::_os_thread_limit) { |
|
962 |
// We got lots of threads. Check if we still have some address space left. |
|
963 |
// Need to be at least 5Mb of unreserved address space. We do check by |
|
964 |
// trying to reserve some. |
|
965 |
const size_t VirtualMemoryBangSize = 20*K*K; |
|
966 |
char* mem = os::reserve_memory(VirtualMemoryBangSize); |
|
967 |
if (mem == NULL) { |
|
968 |
delete osthread; |
|
969 |
return false; |
|
970 |
} else { |
|
971 |
// Release the memory again |
|
972 |
os::release_memory(mem, VirtualMemoryBangSize); |
|
973 |
} |
|
974 |
} |
|
975 |
||
976 |
// Setup osthread because the child thread may need it. |
|
977 |
thread->set_osthread(osthread); |
|
978 |
||
979 |
// Create the Solaris thread |
|
980 |
thread_t tid = 0; |
|
23865 | 981 |
long flags = (UseDetachedThreads ? THR_DETACHED : 0) | THR_SUSPENDED; |
1 | 982 |
int status; |
983 |
||
984 |
// Mark that we don't have an lwp or thread id yet. |
|
985 |
// In case we attempt to set the priority before the thread starts. |
|
986 |
osthread->set_lwp_id(-1); |
|
987 |
osthread->set_thread_id(-1); |
|
988 |
||
38290
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
989 |
status = thr_create(NULL, stack_size, thread_native_entry, thread, flags, &tid); |
36355
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
990 |
|
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
991 |
char buf[64]; |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
992 |
if (status == 0) { |
36379
0c596dc28ed7
8150619: Improve thread based logging introduced with 8149036
stuefe
parents:
36355
diff
changeset
|
993 |
log_info(os, thread)("Thread started (tid: " UINTX_FORMAT ", attributes: %s). ", |
36355
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
994 |
(uintx) tid, describe_thr_create_attributes(buf, sizeof(buf), stack_size, flags)); |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
995 |
} else { |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
996 |
log_warning(os, thread)("Failed to start thread - thr_create failed (%s) for attributes: %s.", |
37113 | 997 |
os::errno_name(status), describe_thr_create_attributes(buf, sizeof(buf), stack_size, flags)); |
36355
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
998 |
} |
dd339cbafd31
8149036: Add tracing for thread related events at os level
stuefe
parents:
35531
diff
changeset
|
999 |
|
1 | 1000 |
if (status != 0) { |
1001 |
thread->set_osthread(NULL); |
|
1002 |
// Need to clean up stuff we've allocated so far |
|
1003 |
delete osthread; |
|
1004 |
return false; |
|
1005 |
} |
|
1006 |
||
1007 |
Atomic::inc(&os::Solaris::_os_thread_count); |
|
1008 |
||
1009 |
// Store info on the Solaris thread into the OSThread |
|
1010 |
osthread->set_thread_id(tid); |
|
1011 |
||
1012 |
// Remember that we created this thread so we can set priority on it |
|
1013 |
osthread->set_vm_created(); |
|
1014 |
||
38638
c053db913695
8149901: [Solaris] Use of -XX:+UseThreadPriorities crashes fastdebug
dholmes
parents:
38290
diff
changeset
|
1015 |
// Most thread types will set an explicit priority before starting the thread, |
c053db913695
8149901: [Solaris] Use of -XX:+UseThreadPriorities crashes fastdebug
dholmes
parents:
38290
diff
changeset
|
1016 |
// but for those that don't we need a valid value to read back in thread_native_entry. |
c053db913695
8149901: [Solaris] Use of -XX:+UseThreadPriorities crashes fastdebug
dholmes
parents:
38290
diff
changeset
|
1017 |
osthread->set_native_priority(NormPriority); |
c053db913695
8149901: [Solaris] Use of -XX:+UseThreadPriorities crashes fastdebug
dholmes
parents:
38290
diff
changeset
|
1018 |
|
1 | 1019 |
// Initial thread state is INITIALIZED, not SUSPENDED |
1020 |
osthread->set_state(INITIALIZED); |
|
1021 |
||
1022 |
// The thread is returned suspended (in state INITIALIZED), and is started higher up in the call chain |
|
1023 |
return true; |
|
1024 |
} |
|
1025 |
||
1026 |
debug_only(static bool signal_sets_initialized = false); |
|
46507
7db40fa6eff7
8174231: Factor out and share PlatformEvent and Parker code for POSIX systems
dholmes
parents:
46346
diff
changeset
|
1027 |
static sigset_t unblocked_sigs, vm_sigs; |
33732
2a47b89db4ec
8129526: Solaris: clean up another remnant of interruptible I/O
dholmes
parents:
33593
diff
changeset
|
1028 |
|
1 | 1029 |
bool os::Solaris::is_sig_ignored(int sig) { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1030 |
struct sigaction oact; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1031 |
sigaction(sig, (struct sigaction*)NULL, &oact); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1032 |
void* ohlr = oact.sa_sigaction ? CAST_FROM_FN_PTR(void*, oact.sa_sigaction) |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1033 |
: CAST_FROM_FN_PTR(void*, oact.sa_handler); |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1034 |
if (ohlr == CAST_FROM_FN_PTR(void*, SIG_IGN)) { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1035 |
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
|
1036 |
} else { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1037 |
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
|
1038 |
} |
1 | 1039 |
} |
1040 |
||
1041 |
void os::Solaris::signal_sets_init() { |
|
1042 |
// Should also have an assertion stating we are still single-threaded. |
|
1043 |
assert(!signal_sets_initialized, "Already initialized"); |
|
1044 |
// Fill in signals that are necessarily unblocked for all threads in |
|
1045 |
// the VM. Currently, we unblock the following signals: |
|
1046 |
// SHUTDOWN{1,2,3}_SIGNAL: for shutdown hooks support (unless over-ridden |
|
1047 |
// by -Xrs (=ReduceSignalUsage)); |
|
1048 |
// BREAK_SIGNAL which is unblocked only by the VM thread and blocked by all |
|
1049 |
// other threads. The "ReduceSignalUsage" boolean tells us not to alter |
|
1050 |
// the dispositions or masks wrt these signals. |
|
1051 |
// Programs embedding the VM that want to use the above signals for their |
|
1052 |
// own purposes must, at this time, use the "-Xrs" option to prevent |
|
1053 |
// interference with shutdown hooks and BREAK_SIGNAL thread dumping. |
|
1054 |
// (See bug 4345157, and other related bugs). |
|
1055 |
// In reality, though, unblocking these signals is really a nop, since |
|
1056 |
// these signals are not blocked by default. |
|
1057 |
sigemptyset(&unblocked_sigs); |
|
1058 |
sigaddset(&unblocked_sigs, SIGILL); |
|
1059 |
sigaddset(&unblocked_sigs, SIGSEGV); |
|
1060 |
sigaddset(&unblocked_sigs, SIGBUS); |
|
1061 |
sigaddset(&unblocked_sigs, SIGFPE); |
|
46337
307e52ec20cd
8175817: Clean up Solaris signal code: SIGUSR2, SIGasync, SIGJVM1/2
dholmes
parents:
46331
diff
changeset
|
1062 |
sigaddset(&unblocked_sigs, ASYNC_SIGNAL); |
1 | 1063 |
|
1064 |
if (!ReduceSignalUsage) { |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1065 |
if (!os::Solaris::is_sig_ignored(SHUTDOWN1_SIGNAL)) { |
1 | 1066 |
sigaddset(&unblocked_sigs, SHUTDOWN1_SIGNAL); |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1067 |
} |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1068 |
if (!os::Solaris::is_sig_ignored(SHUTDOWN2_SIGNAL)) { |
1 | 1069 |
sigaddset(&unblocked_sigs, SHUTDOWN2_SIGNAL); |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1070 |
} |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1071 |
if (!os::Solaris::is_sig_ignored(SHUTDOWN3_SIGNAL)) { |
1 | 1072 |
sigaddset(&unblocked_sigs, SHUTDOWN3_SIGNAL); |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1073 |
} |
1 | 1074 |
} |
1075 |
// Fill in signals that are blocked by all but the VM thread. |
|
1076 |
sigemptyset(&vm_sigs); |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1077 |
if (!ReduceSignalUsage) { |
1 | 1078 |
sigaddset(&vm_sigs, BREAK_SIGNAL); |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1079 |
} |
1 | 1080 |
debug_only(signal_sets_initialized = true); |
1081 |
||
1082 |
// For diagnostics only used in run_periodic_checks |
|
1083 |
sigemptyset(&check_signal_done); |
|
1084 |
} |
|
1085 |
||
1086 |
// These are signals that are unblocked while a thread is running Java. |
|
1087 |
// (For some reason, they get blocked by default.) |
|
1088 |
sigset_t* os::Solaris::unblocked_signals() { |
|
1089 |
assert(signal_sets_initialized, "Not initialized"); |
|
1090 |
return &unblocked_sigs; |
|
1091 |
} |
|
1092 |
||
1093 |
// These are the signals that are blocked while a (non-VM) thread is |
|
1094 |
// running Java. Only the VM thread handles these signals. |
|
1095 |
sigset_t* os::Solaris::vm_signals() { |
|
1096 |
assert(signal_sets_initialized, "Not initialized"); |
|
1097 |
return &vm_sigs; |
|
1098 |
} |
|
1099 |
||
7692
02c573fae027
6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents:
7448
diff
changeset
|
1100 |
void _handle_uncaught_cxx_exception() { |
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
32181
diff
changeset
|
1101 |
VMError::report_and_die("An uncaught C++ exception"); |
7692
02c573fae027
6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents:
7448
diff
changeset
|
1102 |
} |
02c573fae027
6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents:
7448
diff
changeset
|
1103 |
|
02c573fae027
6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents:
7448
diff
changeset
|
1104 |
|
1 | 1105 |
// First crack at OS-specific initialization, from inside the new thread. |
13859
7fe4578493fc
7190089: NMT ON: NMT failed assertion on thread's stack base address
zgu
parents:
13728
diff
changeset
|
1106 |
void os::initialize_thread(Thread* thr) { |
48005
9fd89aabb6cd
8189170: Add option to disable stack overflow checking in primordial thread for use with JNI_CreateJavaJVM
dholmes
parents:
47903
diff
changeset
|
1107 |
if (is_primordial_thread()) { |
13859
7fe4578493fc
7190089: NMT ON: NMT failed assertion on thread's stack base address
zgu
parents:
13728
diff
changeset
|
1108 |
JavaThread* jt = (JavaThread *)thr; |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
1109 |
assert(jt != NULL, "Sanity check"); |
1 | 1110 |
size_t stack_size; |
1111 |
address base = jt->stack_base(); |
|
1112 |
if (Arguments::created_by_java_launcher()) { |
|
1113 |
// Use 2MB to allow for Solaris 7 64 bit mode. |
|
1114 |
stack_size = JavaThread::stack_size_at_create() == 0 |
|
1115 |
? 2048*K : JavaThread::stack_size_at_create(); |
|
1116 |
||
1117 |
// There are rare cases when we may have already used more than |
|
1118 |
// the basic stack size allotment before this method is invoked. |
|
1119 |
// Attempt to allow for a normally sized java_stack. |
|
1120 |
size_t current_stack_offset = (size_t)(base - (address)&stack_size); |
|
1121 |
stack_size += ReservedSpace::page_align_size_down(current_stack_offset); |
|
1122 |
} else { |
|
1123 |
// 6269555: If we were not created by a Java launcher, i.e. if we are |
|
1124 |
// running embedded in a native application, treat the primordial thread |
|
1125 |
// as much like a native attached thread as possible. This means using |
|
1126 |
// the current stack size from thr_stksegment(), unless it is too large |
|
1127 |
// to reliably setup guard pages. A reasonable max size is 8MB. |
|
1128 |
size_t current_size = current_stack_size(); |
|
1129 |
// This should never happen, but just in case.... |
|
1130 |
if (current_size == 0) current_size = 2 * K * K; |
|
1131 |
stack_size = current_size > (8 * K * K) ? (8 * K * K) : current_size; |
|
1132 |
} |
|
46619
a3919f5e8d2b
8178499: Remove _ptr_ and _size_ infixes from align functions
stefank
parents:
46618
diff
changeset
|
1133 |
address bottom = align_up(base - stack_size, os::vm_page_size());; |
1 | 1134 |
stack_size = (size_t)(base - bottom); |
1135 |
||
1136 |
assert(stack_size > 0, "Stack size calculation problem"); |
|
1137 |
||
1138 |
if (stack_size > jt->stack_size()) { |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1139 |
#ifndef PRODUCT |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1140 |
struct rlimit limits; |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1141 |
getrlimit(RLIMIT_STACK, &limits); |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1142 |
size_t size = adjust_stack_size(base, (size_t)limits.rlim_cur); |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1143 |
assert(size >= jt->stack_size(), "Stack size problem in main thread"); |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1144 |
#endif |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1145 |
tty->print_cr("Stack size of %d Kb exceeds current limit of %d Kb.\n" |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1146 |
"(Stack sizes are rounded up to a multiple of the system page size.)\n" |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1147 |
"See limit(1) to increase the stack size limit.", |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1148 |
stack_size / K, jt->stack_size() / K); |
1 | 1149 |
vm_exit(1); |
1150 |
} |
|
1151 |
assert(jt->stack_size() >= stack_size, |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1152 |
"Attempt to map more stack than was allocated"); |
1 | 1153 |
jt->set_stack_size(stack_size); |
1154 |
} |
|
1155 |
||
23865 | 1156 |
// With the T2 libthread (T1 is no longer supported) threads are always bound |
1157 |
// and we use stackbanging in all cases. |
|
1 | 1158 |
|
1159 |
os::Solaris::init_thread_fpu_state(); |
|
7692
02c573fae027
6961186: Better VM handling of unexpected exceptions from application native code
zgu
parents:
7448
diff
changeset
|
1160 |
std::set_terminate(_handle_uncaught_cxx_exception); |
1 | 1161 |
} |
1162 |
||
1163 |
||
1164 |
||
1165 |
// Free Solaris resources related to the OSThread |
|
1166 |
void os::free_thread(OSThread* osthread) { |
|
1167 |
assert(osthread != NULL, "os::free_thread but osthread not set"); |
|
1168 |
||
1169 |
// We are told to free resources of the argument thread, |
|
1170 |
// but we can only really operate on the current thread. |
|
38290
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
1171 |
assert(Thread::current()->osthread() == osthread, |
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
1172 |
"os::free_thread but not current thread"); |
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
1173 |
|
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
1174 |
// Restore caller's signal mask |
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
1175 |
sigset_t sigmask = osthread->caller_sigmask(); |
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
1176 |
pthread_sigmask(SIG_SETMASK, &sigmask, NULL); |
6b194cfc1557
8154715: Missing destructor and/or TLS clearing calls for terminating threads
dholmes
parents:
38173
diff
changeset
|
1177 |
|
1 | 1178 |
delete osthread; |
1179 |
} |
|
1180 |
||
1181 |
void os::pd_start_thread(Thread* thread) { |
|
1182 |
int status = thr_continue(thread->osthread()->thread_id()); |
|
1183 |
assert_status(status == 0, status, "thr_continue failed"); |
|
1184 |
} |
|
1185 |
||
1186 |
||
1187 |
intx os::current_thread_id() { |
|
1188 |
return (intx)thr_self(); |
|
1189 |
} |
|
1190 |
||
1191 |
static pid_t _initial_pid = 0; |
|
1192 |
||
1193 |
int os::current_process_id() { |
|
1194 |
return (int)(_initial_pid ? _initial_pid : getpid()); |
|
1195 |
} |
|
1196 |
||
24239
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1197 |
// gethrtime() should be monotonic according to the documentation, |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1198 |
// but some virtualized platforms are known to break this guarantee. |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1199 |
// getTimeNanos() must be guaranteed not to move backwards, so we |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1200 |
// are forced to add a check here. |
1 | 1201 |
inline hrtime_t getTimeNanos() { |
24239
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1202 |
const hrtime_t now = gethrtime(); |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1203 |
const hrtime_t prev = max_hrtime; |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1204 |
if (now <= prev) { |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1205 |
return prev; // same or retrograde time; |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1206 |
} |
46958
a13bd8c6b7a2
8186166: Generalize Atomic::cmpxchg with templates
eosterlund
parents:
46625
diff
changeset
|
1207 |
const hrtime_t obsv = Atomic::cmpxchg(now, &max_hrtime, prev); |
24239
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1208 |
assert(obsv >= prev, "invariant"); // Monotonicity |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1209 |
// If the CAS succeeded then we're done and return "now". |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1210 |
// If the CAS failed and the observed value "obsv" is >= now then |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1211 |
// we should return "obsv". If the CAS failed and now > obsv > prv then |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1212 |
// some other thread raced this thread and installed a new value, in which case |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1213 |
// we could either (a) retry the entire operation, (b) retry trying to install now |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1214 |
// or (c) just return obsv. We use (c). No loop is required although in some cases |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1215 |
// we might discard a higher "now" value in deference to a slightly lower but freshly |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1216 |
// installed obsv value. That's entirely benign -- it admits no new orderings compared |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1217 |
// to (a) or (b) -- and greatly reduces coherence traffic. |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1218 |
// We might also condition (c) on the magnitude of the delta between obsv and now. |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1219 |
// Avoiding excessive CAS operations to hot RW locations is critical. |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1220 |
// See https://blogs.oracle.com/dave/entry/cas_and_cache_trivia_invalidate |
db81abb281bc
8040140: System.nanoTime() is slow and non-monotonic on OS X
sla
parents:
23865
diff
changeset
|
1221 |
return (prev == obsv) ? now : obsv; |
1 | 1222 |
} |
1223 |
||
1224 |
// Time since start-up in seconds to a fine granularity. |
|
1225 |
// Used by VMSelfDestructTimer and the MemProfiler. |
|
1226 |
double os::elapsedTime() { |
|
1227 |
return (double)(getTimeNanos() - first_hrtime) / (double)hrtime_hz; |
|
1228 |
} |
|
1229 |
||
1230 |
jlong os::elapsed_counter() { |
|
1231 |
return (jlong)(getTimeNanos() - first_hrtime); |
|
1232 |
} |
|
1233 |
||
1234 |
jlong os::elapsed_frequency() { |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1235 |
return hrtime_hz; |
1 | 1236 |
} |
1237 |
||
1238 |
// Return the real, user, and system times in seconds from an |
|
1239 |
// arbitrary fixed point in the past. |
|
1240 |
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:
25719
diff
changeset
|
1241 |
double* process_user_time, |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1242 |
double* process_system_time) { |
1 | 1243 |
struct tms ticks; |
1244 |
clock_t real_ticks = times(&ticks); |
|
1245 |
||
1246 |
if (real_ticks == (clock_t) (-1)) { |
|
1247 |
return false; |
|
1248 |
} else { |
|
1249 |
double ticks_per_second = (double) clock_tics_per_sec; |
|
1250 |
*process_user_time = ((double) ticks.tms_utime) / ticks_per_second; |
|
1251 |
*process_system_time = ((double) ticks.tms_stime) / ticks_per_second; |
|
1252 |
// For consistency return the real time from getTimeNanos() |
|
1253 |
// converted to seconds. |
|
1254 |
*process_real_time = ((double) getTimeNanos()) / ((double) NANOUNITS); |
|
1255 |
||
1256 |
return true; |
|
1257 |
} |
|
1258 |
} |
|
1259 |
||
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
391
diff
changeset
|
1260 |
bool os::supports_vtime() { return true; } |
39701 | 1261 |
bool os::enable_vtime() { return false; } |
1262 |
bool os::vtime_enabled() { return false; } |
|
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
391
diff
changeset
|
1263 |
|
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
391
diff
changeset
|
1264 |
double os::elapsedVTime() { |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
391
diff
changeset
|
1265 |
return (double)gethrvtime() / (double)hrtime_hz; |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
391
diff
changeset
|
1266 |
} |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
391
diff
changeset
|
1267 |
|
234 | 1268 |
// Must return millis since Jan 1 1970 for JVM_CurrentTimeMillis |
1269 |
jlong os::javaTimeMillis() { |
|
38705
447351211aa7
8157175: GetNanoTimeAdjustment.java fails with excessive adjustment error
dholmes
parents:
38638
diff
changeset
|
1270 |
timeval t; |
447351211aa7
8157175: GetNanoTimeAdjustment.java fails with excessive adjustment error
dholmes
parents:
38638
diff
changeset
|
1271 |
if (gettimeofday(&t, NULL) == -1) { |
447351211aa7
8157175: GetNanoTimeAdjustment.java fails with excessive adjustment error
dholmes
parents:
38638
diff
changeset
|
1272 |
fatal("os::javaTimeMillis: gettimeofday (%s)", os::strerror(errno)); |
447351211aa7
8157175: GetNanoTimeAdjustment.java fails with excessive adjustment error
dholmes
parents:
38638
diff
changeset
|
1273 |
} |
447351211aa7
8157175: GetNanoTimeAdjustment.java fails with excessive adjustment error
dholmes
parents:
38638
diff
changeset
|
1274 |
return jlong(t.tv_sec) * 1000 + jlong(t.tv_usec) / 1000; |
447351211aa7
8157175: GetNanoTimeAdjustment.java fails with excessive adjustment error
dholmes
parents:
38638
diff
changeset
|
1275 |
} |
447351211aa7
8157175: GetNanoTimeAdjustment.java fails with excessive adjustment error
dholmes
parents:
38638
diff
changeset
|
1276 |
|
447351211aa7
8157175: GetNanoTimeAdjustment.java fails with excessive adjustment error
dholmes
parents:
38638
diff
changeset
|
1277 |
// Must return seconds+nanos since Jan 1 1970. This must use the same |
447351211aa7
8157175: GetNanoTimeAdjustment.java fails with excessive adjustment error
dholmes
parents:
38638
diff
changeset
|
1278 |
// time source as javaTimeMillis and can't use get_nsec_fromepoch as |
447351211aa7
8157175: GetNanoTimeAdjustment.java fails with excessive adjustment error
dholmes
parents:
38638
diff
changeset
|
1279 |
// we need better than 1ms accuracy |
28737
ca4b6a6e5cc8
8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents:
28172
diff
changeset
|
1280 |
void os::javaTimeSystemUTC(jlong &seconds, jlong &nanos) { |
ca4b6a6e5cc8
8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents:
28172
diff
changeset
|
1281 |
timeval t; |
ca4b6a6e5cc8
8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents:
28172
diff
changeset
|
1282 |
if (gettimeofday(&t, NULL) == -1) { |
37113 | 1283 |
fatal("os::javaTimeSystemUTC: gettimeofday (%s)", os::strerror(errno)); |
28737
ca4b6a6e5cc8
8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents:
28172
diff
changeset
|
1284 |
} |
ca4b6a6e5cc8
8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents:
28172
diff
changeset
|
1285 |
seconds = jlong(t.tv_sec); |
ca4b6a6e5cc8
8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents:
28172
diff
changeset
|
1286 |
nanos = jlong(t.tv_usec) * 1000; |
ca4b6a6e5cc8
8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents:
28172
diff
changeset
|
1287 |
} |
ca4b6a6e5cc8
8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents:
28172
diff
changeset
|
1288 |
|
ca4b6a6e5cc8
8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
dfuchs
parents:
28172
diff
changeset
|
1289 |
|
1 | 1290 |
jlong os::javaTimeNanos() { |
1291 |
return (jlong)getTimeNanos(); |
|
1292 |
} |
|
1293 |
||
1294 |
void os::javaTimeNanos_info(jvmtiTimerInfo *info_ptr) { |
|
1295 |
info_ptr->max_value = ALL_64_BITS; // gethrtime() uses all 64 bits |
|
1296 |
info_ptr->may_skip_backward = false; // not subject to resetting or drifting |
|
1297 |
info_ptr->may_skip_forward = false; // not subject to resetting or drifting |
|
1298 |
info_ptr->kind = JVMTI_TIMER_ELAPSED; // elapsed not CPU time |
|
1299 |
} |
|
1300 |
||
1301 |
char * os::local_time_string(char *buf, size_t buflen) { |
|
1302 |
struct tm t; |
|
1303 |
time_t long_time; |
|
1304 |
time(&long_time); |
|
1305 |
localtime_r(&long_time, &t); |
|
1306 |
jio_snprintf(buf, buflen, "%d-%02d-%02d %02d:%02d:%02d", |
|
1307 |
t.tm_year + 1900, t.tm_mon + 1, t.tm_mday, |
|
1308 |
t.tm_hour, t.tm_min, t.tm_sec); |
|
1309 |
return buf; |
|
1310 |
} |
|
1311 |
||
1312 |
// Note: os::shutdown() might be called very early during initialization, or |
|
1313 |
// called from signal handler. Before adding something to os::shutdown(), make |
|
1314 |
// sure it is async-safe and can handle partially initialized VM. |
|
1315 |
void os::shutdown() { |
|
1316 |
||
1317 |
// allow PerfMemory to attempt cleanup of any persistent resources |
|
1318 |
perfMemory_exit(); |
|
1319 |
||
1320 |
// needs to remove object in file system |
|
1321 |
AttachListener::abort(); |
|
1322 |
||
1323 |
// flush buffered output, finish log files |
|
1324 |
ostream_abort(); |
|
1325 |
||
1326 |
// Check for abort hook |
|
1327 |
abort_hook_t abort_hook = Arguments::abort_hook(); |
|
1328 |
if (abort_hook != NULL) { |
|
1329 |
abort_hook(); |
|
1330 |
} |
|
1331 |
} |
|
1332 |
||
1333 |
// Note: os::abort() might be called very early during initialization, or |
|
1334 |
// called from signal handler. Before adding something to os::abort(), make |
|
1335 |
// sure it is async-safe and can handle partially initialized VM. |
|
35077
8b86440d3bf1
8145114: const-correctness for ucontext_t* reading functions
stuefe
parents:
35071
diff
changeset
|
1336 |
void os::abort(bool dump_core, void* siginfo, const void* context) { |
1 | 1337 |
os::shutdown(); |
1338 |
if (dump_core) { |
|
1339 |
#ifndef PRODUCT |
|
1340 |
fdStream out(defaultStream::output_fd()); |
|
1341 |
out.print_raw("Current thread is "); |
|
1342 |
char buf[16]; |
|
1343 |
jio_snprintf(buf, sizeof(buf), UINTX_FORMAT, os::current_thread_id()); |
|
1344 |
out.print_raw_cr(buf); |
|
1345 |
out.print_raw_cr("Dumping core ..."); |
|
1346 |
#endif |
|
1347 |
::abort(); // dump core (for debugging) |
|
1348 |
} |
|
1349 |
||
1350 |
::exit(1); |
|
1351 |
} |
|
1352 |
||
1353 |
// Die immediately, no exit hook, no abort hook, no cleanup. |
|
1354 |
void os::die() { |
|
15742
b0ec3b170702
8007779: os::die() on solaris should generate core file
sla
parents:
15234
diff
changeset
|
1355 |
::abort(); // dump core (for debugging) |
1 | 1356 |
} |
1357 |
||
1358 |
// DLL functions |
|
1359 |
||
1360 |
const char* os::dll_file_extension() { return ".so"; } |
|
1361 |
||
7901
ea3d83447861
7009828: Fix for 6938627 breaks visualvm monitoring when -Djava.io.tmpdir is defined
coleenp
parents:
7726
diff
changeset
|
1362 |
// 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:
7726
diff
changeset
|
1363 |
// directory not the java application's temp directory, ala java.io.tmpdir. |
ea3d83447861
7009828: Fix for 6938627 breaks visualvm monitoring when -Djava.io.tmpdir is defined
coleenp
parents:
7726
diff
changeset
|
1364 |
const char* os::get_temp_directory() { return "/tmp"; } |
1 | 1365 |
|
15096
3db45569f8c0
8005044: remove crufty '_g' support from HS runtime code
dcubed
parents:
14633
diff
changeset
|
1366 |
// check if addr is inside libjvm.so |
1 | 1367 |
bool os::address_is_in_vm(address addr) { |
1368 |
static address libjvm_base_addr; |
|
1369 |
Dl_info dlinfo; |
|
1370 |
||
1371 |
if (libjvm_base_addr == NULL) { |
|
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1372 |
if (dladdr(CAST_FROM_FN_PTR(void *, os::address_is_in_vm), &dlinfo) != 0) { |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1373 |
libjvm_base_addr = (address)dlinfo.dli_fbase; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1374 |
} |
1 | 1375 |
assert(libjvm_base_addr !=NULL, "Cannot obtain base address for libjvm"); |
1376 |
} |
|
1377 |
||
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1378 |
if (dladdr((void *)addr, &dlinfo) != 0) { |
1 | 1379 |
if (libjvm_base_addr == (address)dlinfo.dli_fbase) return true; |
1380 |
} |
|
1381 |
||
1382 |
return false; |
|
1383 |
} |
|
1384 |
||
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1385 |
typedef int (*dladdr1_func_type)(void *, Dl_info *, void **, int); |
1 | 1386 |
static dladdr1_func_type dladdr1_func = NULL; |
1387 |
||
1388 |
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
|
1389 |
int buflen, int * offset, |
a6ab7217b5cc
8079473: allow demangling to be optional in dll_address_to_function_name
bdelsart
parents:
31026
diff
changeset
|
1390 |
bool demangle) { |
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1391 |
// 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
|
1392 |
assert(buf != NULL, "sanity check"); |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1393 |
|
1 | 1394 |
Dl_info dlinfo; |
1395 |
||
1396 |
// dladdr1_func was initialized in os::init() |
|
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1397 |
if (dladdr1_func != NULL) { |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1398 |
// yes, we have dladdr1 |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1399 |
|
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1400 |
// Support for dladdr1 is checked at runtime; it may be |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1401 |
// available even if the vm is built on a machine that does |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1402 |
// not have dladdr1 support. Make sure there is a value for |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1403 |
// RTLD_DL_SYMENT. |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1404 |
#ifndef RTLD_DL_SYMENT |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1405 |
#define RTLD_DL_SYMENT 1 |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1406 |
#endif |
8329
96eacc5e391f
7018101: os::dll_address_to_function_name returning wrong answers in 64 bit
never
parents:
7901
diff
changeset
|
1407 |
#ifdef _LP64 |
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1408 |
Elf64_Sym * info; |
8329
96eacc5e391f
7018101: os::dll_address_to_function_name returning wrong answers in 64 bit
never
parents:
7901
diff
changeset
|
1409 |
#else |
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1410 |
Elf32_Sym * info; |
8329
96eacc5e391f
7018101: os::dll_address_to_function_name returning wrong answers in 64 bit
never
parents:
7901
diff
changeset
|
1411 |
#endif |
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1412 |
if (dladdr1_func((void *)addr, &dlinfo, (void **)&info, |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1413 |
RTLD_DL_SYMENT) != 0) { |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1414 |
// see if we have a matching symbol that covers our address |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1415 |
if (dlinfo.dli_saddr != NULL && |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1416 |
(char *)dlinfo.dli_saddr + info->st_size > (char *)addr) { |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1417 |
if (dlinfo.dli_sname != NULL) { |
31352
a6ab7217b5cc
8079473: allow demangling to be optional in dll_address_to_function_name
bdelsart
parents:
31026
diff
changeset
|
1418 |
if (!(demangle && Decoder::demangle(dlinfo.dli_sname, buf, buflen))) { |
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1419 |
jio_snprintf(buf, buflen, "%s", dlinfo.dli_sname); |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1420 |
} |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1421 |
if (offset != NULL) *offset = addr - (address)dlinfo.dli_saddr; |
7447
32c42d627f41
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
7397
diff
changeset
|
1422 |
return true; |
32c42d627f41
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
7397
diff
changeset
|
1423 |
} |
32c42d627f41
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
7397
diff
changeset
|
1424 |
} |
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1425 |
// no matching symbol so try for just file info |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1426 |
if (dlinfo.dli_fname != NULL && dlinfo.dli_fbase != NULL) { |
7447
32c42d627f41
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
7397
diff
changeset
|
1427 |
if (Decoder::decode((address)(addr - (address)dlinfo.dli_fbase), |
31352
a6ab7217b5cc
8079473: allow demangling to be optional in dll_address_to_function_name
bdelsart
parents:
31026
diff
changeset
|
1428 |
buf, buflen, offset, dlinfo.dli_fname, demangle)) { |
1 | 1429 |
return true; |
7447
32c42d627f41
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
7397
diff
changeset
|
1430 |
} |
1 | 1431 |
} |
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1432 |
} |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1433 |
buf[0] = '\0'; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1434 |
if (offset != NULL) *offset = -1; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1435 |
return false; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1436 |
} |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1437 |
|
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1438 |
// no, only dladdr is available |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1439 |
if (dladdr((void *)addr, &dlinfo) != 0) { |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1440 |
// see if we have a matching symbol |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1441 |
if (dlinfo.dli_saddr != NULL && dlinfo.dli_sname != NULL) { |
31352
a6ab7217b5cc
8079473: allow demangling to be optional in dll_address_to_function_name
bdelsart
parents:
31026
diff
changeset
|
1442 |
if (!(demangle && Decoder::demangle(dlinfo.dli_sname, buf, buflen))) { |
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1443 |
jio_snprintf(buf, buflen, dlinfo.dli_sname); |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1444 |
} |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1445 |
if (offset != NULL) *offset = addr - (address)dlinfo.dli_saddr; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1446 |
return true; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1447 |
} |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1448 |
// no matching symbol so try for just file info |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1449 |
if (dlinfo.dli_fname != NULL && dlinfo.dli_fbase != NULL) { |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1450 |
if (Decoder::decode((address)(addr - (address)dlinfo.dli_fbase), |
31352
a6ab7217b5cc
8079473: allow demangling to be optional in dll_address_to_function_name
bdelsart
parents:
31026
diff
changeset
|
1451 |
buf, buflen, offset, dlinfo.dli_fname, demangle)) { |
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1452 |
return true; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1453 |
} |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1454 |
} |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1455 |
} |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1456 |
buf[0] = '\0'; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1457 |
if (offset != NULL) *offset = -1; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1458 |
return false; |
1 | 1459 |
} |
1460 |
||
1461 |
bool os::dll_address_to_library_name(address addr, char* buf, |
|
1462 |
int buflen, int* offset) { |
|
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1463 |
// 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
|
1464 |
assert(buf != NULL, "sanity check"); |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1465 |
|
1 | 1466 |
Dl_info dlinfo; |
1467 |
||
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1468 |
if (dladdr((void*)addr, &dlinfo) != 0) { |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1469 |
if (dlinfo.dli_fname != NULL) { |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1470 |
jio_snprintf(buf, buflen, "%s", dlinfo.dli_fname); |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1471 |
} |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1472 |
if (dlinfo.dli_fbase != NULL && offset != NULL) { |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1473 |
*offset = addr - (address)dlinfo.dli_fbase; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1474 |
} |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1475 |
return true; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1476 |
} |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1477 |
|
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1478 |
buf[0] = '\0'; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1479 |
if (offset) *offset = -1; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1480 |
return false; |
1 | 1481 |
} |
1482 |
||
26557
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1483 |
int os::get_loaded_modules_info(os::LoadedModulesCallbackFunc callback, void *param) { |
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1484 |
Dl_info dli; |
26557
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1485 |
// Sanity check? |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1486 |
if (dladdr(CAST_FROM_FN_PTR(void *, os::get_loaded_modules_info), &dli) == 0 || |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1487 |
dli.dli_fname == NULL) { |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1488 |
return 1; |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1489 |
} |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1490 |
|
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1491 |
void * handle = dlopen(dli.dli_fname, RTLD_LAZY); |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1492 |
if (handle == NULL) { |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1493 |
return 1; |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1494 |
} |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1495 |
|
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1496 |
Link_map *map; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1497 |
dlinfo(handle, RTLD_DI_LINKMAP, &map); |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1498 |
if (map == NULL) { |
26557
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1499 |
dlclose(handle); |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1500 |
return 1; |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1501 |
} |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1502 |
|
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1503 |
while (map->l_prev != NULL) { |
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1504 |
map = map->l_prev; |
26557
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1505 |
} |
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1506 |
|
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1507 |
while (map != NULL) { |
26557
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1508 |
// Iterate through all map entries and call callback with fields of interest |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1509 |
if(callback(map->l_name, (address)map->l_addr, (address)0, param)) { |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1510 |
dlclose(handle); |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1511 |
return 1; |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1512 |
} |
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1513 |
map = map->l_next; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1514 |
} |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1515 |
|
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1516 |
dlclose(handle); |
26557
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1517 |
return 0; |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1518 |
} |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1519 |
|
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1520 |
int _print_dll_info_cb(const char * name, address base_address, address top_address, void * param) { |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1521 |
outputStream * out = (outputStream *) param; |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1522 |
out->print_cr(PTR_FORMAT " \t%s", base_address, name); |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1523 |
return 0; |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1524 |
} |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1525 |
|
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1526 |
void os::print_dll_info(outputStream * st) { |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1527 |
st->print_cr("Dynamic libraries:"); st->flush(); |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1528 |
if (get_loaded_modules_info(_print_dll_info_cb, (void *)st)) { |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1529 |
st->print_cr("Error: Cannot print dynamic libraries."); |
e399effe36f9
8056242: Add function to return structured information about loaded libraries.
sla
parents:
25719
diff
changeset
|
1530 |
} |
1 | 1531 |
} |
1532 |
||
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1533 |
// Loads .dll/.so and |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1534 |
// in case of error it checks if .dll/.so was built for the |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1535 |
// same architecture as Hotspot is running on |
1 | 1536 |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1537 |
void * os::dll_load(const char *filename, char *ebuf, int ebuflen) { |
1 | 1538 |
void * result= ::dlopen(filename, RTLD_LAZY); |
1539 |
if (result != NULL) { |
|
1540 |
// Successful loading |
|
1541 |
return result; |
|
1542 |
} |
|
1543 |
||
1544 |
Elf32_Ehdr elf_head; |
|
1545 |
||
1546 |
// Read system error message into ebuf |
|
1547 |
// It may or may not be overwritten below |
|
1548 |
::strncpy(ebuf, ::dlerror(), ebuflen-1); |
|
1549 |
ebuf[ebuflen-1]='\0'; |
|
1550 |
int diag_msg_max_length=ebuflen-strlen(ebuf); |
|
1551 |
char* diag_msg_buf=ebuf+strlen(ebuf); |
|
1552 |
||
1553 |
if (diag_msg_max_length==0) { |
|
1554 |
// No more space in ebuf for additional diagnostics message |
|
1555 |
return NULL; |
|
1556 |
} |
|
1557 |
||
1558 |
||
1559 |
int file_descriptor= ::open(filename, O_RDONLY | O_NONBLOCK); |
|
1560 |
||
1561 |
if (file_descriptor < 0) { |
|
1562 |
// Can't open library, report dlerror() message |
|
1563 |
return NULL; |
|
1564 |
} |
|
1565 |
||
1566 |
bool failed_to_read_elf_head= |
|
1567 |
(sizeof(elf_head)!= |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1568 |
(::read(file_descriptor, &elf_head,sizeof(elf_head)))); |
1 | 1569 |
|
1570 |
::close(file_descriptor); |
|
1571 |
if (failed_to_read_elf_head) { |
|
1572 |
// file i/o error - report dlerror() msg |
|
1573 |
return NULL; |
|
1574 |
} |
|
1575 |
||
1576 |
typedef struct { |
|
1577 |
Elf32_Half code; // Actual value as defined in elf.h |
|
1578 |
Elf32_Half compat_class; // Compatibility of archs at VM's sense |
|
1579 |
char elf_class; // 32 or 64 bit |
|
1580 |
char endianess; // MSB or LSB |
|
1581 |
char* name; // String representation |
|
1582 |
} arch_t; |
|
1583 |
||
1584 |
static const arch_t arch_array[]={ |
|
1585 |
{EM_386, EM_386, ELFCLASS32, ELFDATA2LSB, (char*)"IA 32"}, |
|
1586 |
{EM_486, EM_386, ELFCLASS32, ELFDATA2LSB, (char*)"IA 32"}, |
|
1587 |
{EM_IA_64, EM_IA_64, ELFCLASS64, ELFDATA2LSB, (char*)"IA 64"}, |
|
1588 |
{EM_X86_64, EM_X86_64, ELFCLASS64, ELFDATA2LSB, (char*)"AMD 64"}, |
|
1589 |
{EM_SPARC, EM_SPARC, ELFCLASS32, ELFDATA2MSB, (char*)"Sparc 32"}, |
|
1590 |
{EM_SPARC32PLUS, EM_SPARC, ELFCLASS32, ELFDATA2MSB, (char*)"Sparc 32"}, |
|
1591 |
{EM_SPARCV9, EM_SPARCV9, ELFCLASS64, ELFDATA2MSB, (char*)"Sparc v9 64"}, |
|
1592 |
{EM_PPC, EM_PPC, ELFCLASS32, ELFDATA2MSB, (char*)"Power PC 32"}, |
|
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5922
diff
changeset
|
1593 |
{EM_PPC64, EM_PPC64, ELFCLASS64, ELFDATA2MSB, (char*)"Power PC 64"}, |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5922
diff
changeset
|
1594 |
{EM_ARM, EM_ARM, ELFCLASS32, ELFDATA2LSB, (char*)"ARM 32"} |
1 | 1595 |
}; |
1596 |
||
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1597 |
#if (defined IA32) |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1598 |
static Elf32_Half running_arch_code=EM_386; |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1599 |
#elif (defined AMD64) |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1600 |
static Elf32_Half running_arch_code=EM_X86_64; |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1601 |
#elif (defined IA64) |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1602 |
static Elf32_Half running_arch_code=EM_IA_64; |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1603 |
#elif (defined __sparc) && (defined _LP64) |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1604 |
static Elf32_Half running_arch_code=EM_SPARCV9; |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1605 |
#elif (defined __sparc) && (!defined _LP64) |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1606 |
static Elf32_Half running_arch_code=EM_SPARC; |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1607 |
#elif (defined __powerpc64__) |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1608 |
static Elf32_Half running_arch_code=EM_PPC64; |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1609 |
#elif (defined __powerpc__) |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1610 |
static Elf32_Half running_arch_code=EM_PPC; |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1611 |
#elif (defined ARM) |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1612 |
static Elf32_Half running_arch_code=EM_ARM; |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1613 |
#else |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1614 |
#error Method os::dll_load requires that one of following is defined:\ |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1615 |
IA32, AMD64, IA64, __sparc, __powerpc__, ARM, ARM |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
1616 |
#endif |
1 | 1617 |
|
1618 |
// Identify compatability class for VM's architecture and library's architecture |
|
1619 |
// Obtain string descriptions for architectures |
|
1620 |
||
1621 |
arch_t lib_arch={elf_head.e_machine,0,elf_head.e_ident[EI_CLASS], elf_head.e_ident[EI_DATA], NULL}; |
|
1622 |
int running_arch_index=-1; |
|
1623 |
||
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
1624 |
for (unsigned int i=0; i < ARRAY_SIZE(arch_array); i++) { |
1 | 1625 |
if (running_arch_code == arch_array[i].code) { |
1626 |
running_arch_index = i; |
|
1627 |
} |
|
1628 |
if (lib_arch.code == arch_array[i].code) { |
|
1629 |
lib_arch.compat_class = arch_array[i].compat_class; |
|
1630 |
lib_arch.name = arch_array[i].name; |
|
1631 |
} |
|
1632 |
} |
|
1633 |
||
1634 |
assert(running_arch_index != -1, |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1635 |
"Didn't find running architecture code (running_arch_code) in arch_array"); |
1 | 1636 |
if (running_arch_index == -1) { |
1637 |
// Even though running architecture detection failed |
|
1638 |
// we may still continue with reporting dlerror() message |
|
1639 |
return NULL; |
|
1640 |
} |
|
1641 |
||
1642 |
if (lib_arch.endianess != arch_array[running_arch_index].endianess) { |
|
1643 |
::snprintf(diag_msg_buf, diag_msg_max_length-1," (Possible cause: endianness mismatch)"); |
|
1644 |
return NULL; |
|
1645 |
} |
|
1646 |
||
1647 |
if (lib_arch.elf_class != arch_array[running_arch_index].elf_class) { |
|
1648 |
::snprintf(diag_msg_buf, diag_msg_max_length-1," (Possible cause: architecture word width mismatch)"); |
|
1649 |
return NULL; |
|
1650 |
} |
|
1651 |
||
1652 |
if (lib_arch.compat_class != arch_array[running_arch_index].compat_class) { |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
1653 |
if (lib_arch.name!=NULL) { |
1 | 1654 |
::snprintf(diag_msg_buf, diag_msg_max_length-1, |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1655 |
" (Possible cause: can't load %s-bit .so on a %s-bit platform)", |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1656 |
lib_arch.name, arch_array[running_arch_index].name); |
1 | 1657 |
} else { |
1658 |
::snprintf(diag_msg_buf, diag_msg_max_length-1, |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1659 |
" (Possible cause: can't load this .so (machine code=0x%x) on a %s-bit platform)", |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1660 |
lib_arch.code, |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1661 |
arch_array[running_arch_index].name); |
1 | 1662 |
} |
1663 |
} |
|
1664 |
||
1665 |
return NULL; |
|
1666 |
} |
|
1667 |
||
950 | 1668 |
void* os::dll_lookup(void* handle, const char* name) { |
1669 |
return dlsym(handle, name); |
|
1670 |
} |
|
1 | 1671 |
|
22528
bd3821442010
8031968: Mac OS X: VM starts the agent by calling both Agent_OnAttach and Agent_OnAttach_L functions if its agent library is dynamically linked.
sla
parents:
19986
diff
changeset
|
1672 |
void* os::get_default_process_handle() { |
bd3821442010
8031968: Mac OS X: VM starts the agent by calling both Agent_OnAttach and Agent_OnAttach_L functions if its agent library is dynamically linked.
sla
parents:
19986
diff
changeset
|
1673 |
return (void*)::dlopen(NULL, RTLD_LAZY); |
bd3821442010
8031968: Mac OS X: VM starts the agent by calling both Agent_OnAttach and Agent_OnAttach_L functions if its agent library is dynamically linked.
sla
parents:
19986
diff
changeset
|
1674 |
} |
bd3821442010
8031968: Mac OS X: VM starts the agent by calling both Agent_OnAttach and Agent_OnAttach_L functions if its agent library is dynamically linked.
sla
parents:
19986
diff
changeset
|
1675 |
|
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
1676 |
int os::stat(const char *path, struct stat *sbuf) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
1677 |
char pathbuf[MAX_PATH]; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
1678 |
if (strlen(path) > MAX_PATH - 1) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
1679 |
errno = ENAMETOOLONG; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
1680 |
return -1; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
1681 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
1682 |
os::native_path(strcpy(pathbuf, path)); |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
1683 |
return ::stat(pathbuf, sbuf); |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
1684 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
1685 |
|
37465
1d5551f466ee
8146879: Add option for handling existing log files in UL
mlarsson
parents:
37442
diff
changeset
|
1686 |
static inline time_t get_mtime(const char* filename) { |
1d5551f466ee
8146879: Add option for handling existing log files in UL
mlarsson
parents:
37442
diff
changeset
|
1687 |
struct stat st; |
1d5551f466ee
8146879: Add option for handling existing log files in UL
mlarsson
parents:
37442
diff
changeset
|
1688 |
int ret = os::stat(filename, &st); |
1d5551f466ee
8146879: Add option for handling existing log files in UL
mlarsson
parents:
37442
diff
changeset
|
1689 |
assert(ret == 0, "failed to stat() file '%s': %s", filename, strerror(errno)); |
1d5551f466ee
8146879: Add option for handling existing log files in UL
mlarsson
parents:
37442
diff
changeset
|
1690 |
return st.st_mtime; |
1d5551f466ee
8146879: Add option for handling existing log files in UL
mlarsson
parents:
37442
diff
changeset
|
1691 |
} |
1d5551f466ee
8146879: Add option for handling existing log files in UL
mlarsson
parents:
37442
diff
changeset
|
1692 |
|
1d5551f466ee
8146879: Add option for handling existing log files in UL
mlarsson
parents:
37442
diff
changeset
|
1693 |
int os::compare_file_modified_times(const char* file1, const char* file2) { |
1d5551f466ee
8146879: Add option for handling existing log files in UL
mlarsson
parents:
37442
diff
changeset
|
1694 |
time_t t1 = get_mtime(file1); |
1d5551f466ee
8146879: Add option for handling existing log files in UL
mlarsson
parents:
37442
diff
changeset
|
1695 |
time_t t2 = get_mtime(file2); |
1d5551f466ee
8146879: Add option for handling existing log files in UL
mlarsson
parents:
37442
diff
changeset
|
1696 |
return t1 - t2; |
1d5551f466ee
8146879: Add option for handling existing log files in UL
mlarsson
parents:
37442
diff
changeset
|
1697 |
} |
1d5551f466ee
8146879: Add option for handling existing log files in UL
mlarsson
parents:
37442
diff
changeset
|
1698 |
|
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
1699 |
static bool _print_ascii_file(const char* filename, outputStream* st) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
1700 |
int fd = ::open(filename, O_RDONLY); |
1 | 1701 |
if (fd == -1) { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1702 |
return false; |
1 | 1703 |
} |
1704 |
||
1705 |
char buf[32]; |
|
1706 |
int bytes; |
|
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
1707 |
while ((bytes = ::read(fd, buf, sizeof(buf))) > 0) { |
1 | 1708 |
st->print_raw(buf, bytes); |
1709 |
} |
|
1710 |
||
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
1711 |
::close(fd); |
1 | 1712 |
|
1713 |
return true; |
|
1714 |
} |
|
1715 |
||
12735
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1716 |
void os::print_os_info_brief(outputStream* st) { |
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1717 |
os::Solaris::print_distro_info(st); |
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1718 |
|
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1719 |
os::Posix::print_uname_info(st); |
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1720 |
|
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1721 |
os::Solaris::print_libversion_info(st); |
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1722 |
} |
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1723 |
|
1 | 1724 |
void os::print_os_info(outputStream* st) { |
1725 |
st->print("OS:"); |
|
1726 |
||
12735
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1727 |
os::Solaris::print_distro_info(st); |
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1728 |
|
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1729 |
os::Posix::print_uname_info(st); |
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1730 |
|
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1731 |
os::Solaris::print_libversion_info(st); |
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1732 |
|
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1733 |
os::Posix::print_rlimit_info(st); |
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1734 |
|
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1735 |
os::Posix::print_load_average(st); |
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1736 |
} |
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1737 |
|
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1738 |
void os::Solaris::print_distro_info(outputStream* st) { |
1 | 1739 |
if (!_print_ascii_file("/etc/release", st)) { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1740 |
st->print("Solaris"); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1741 |
} |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1742 |
st->cr(); |
12735
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1743 |
} |
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1744 |
|
31963
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1745 |
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:
31610
diff
changeset
|
1746 |
strncpy(buf, "Solaris", buflen); // default to plain solaris |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1747 |
FILE* fp = fopen("/etc/release", "r"); |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1748 |
if (fp != NULL) { |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1749 |
char tmp[256]; |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1750 |
// Only get the first line and chop out everything but the os name. |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1751 |
if (fgets(tmp, sizeof(tmp), fp)) { |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1752 |
char* ptr = tmp; |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1753 |
// skip past whitespace characters |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1754 |
while (*ptr != '\0' && (*ptr == ' ' || *ptr == '\t' || *ptr == '\n')) ptr++; |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1755 |
if (*ptr != '\0') { |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1756 |
char* nl = strchr(ptr, '\n'); |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1757 |
if (nl != NULL) *nl = '\0'; |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1758 |
strncpy(buf, ptr, buflen); |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1759 |
} |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1760 |
} |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1761 |
fclose(fp); |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1762 |
} |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1763 |
} |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1764 |
|
12735
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1765 |
void os::Solaris::print_libversion_info(outputStream* st) { |
23865 | 1766 |
st->print(" (T2 libthread)"); |
1 | 1767 |
st->cr(); |
12735
3e2e491f4f69
7165755: OS Information much longer on linux than other platforms
nloodin
parents:
11961
diff
changeset
|
1768 |
} |
1 | 1769 |
|
1770 |
static bool check_addr0(outputStream* st) { |
|
1771 |
jboolean status = false; |
|
37040 | 1772 |
const int read_chunk = 200; |
1773 |
int ret = 0; |
|
1774 |
int nmap = 0; |
|
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
1775 |
int fd = ::open("/proc/self/map",O_RDONLY); |
1 | 1776 |
if (fd >= 0) { |
37040 | 1777 |
prmap_t *p = NULL; |
37117
27aec253e606
8151509: In check_addr0() function pointer is not updated correctly
csahu
parents:
37040
diff
changeset
|
1778 |
char *mbuff = (char *) calloc(read_chunk, sizeof(prmap_t)); |
37040 | 1779 |
if (NULL == mbuff) { |
1780 |
::close(fd); |
|
1781 |
return status; |
|
1782 |
} |
|
1783 |
while ((ret = ::read(fd, mbuff, read_chunk*sizeof(prmap_t))) > 0) { |
|
1784 |
//check if read() has not read partial data |
|
1785 |
if( 0 != ret % sizeof(prmap_t)){ |
|
1786 |
break; |
|
1 | 1787 |
} |
37040 | 1788 |
nmap = ret / sizeof(prmap_t); |
1789 |
p = (prmap_t *)mbuff; |
|
1790 |
for(int i = 0; i < nmap; i++){ |
|
1791 |
if (p->pr_vaddr == 0x0) { |
|
37117
27aec253e606
8151509: In check_addr0() function pointer is not updated correctly
csahu
parents:
37040
diff
changeset
|
1792 |
st->print("Warning: Address: " PTR_FORMAT ", Size: " SIZE_FORMAT "K, ",p->pr_vaddr, p->pr_size/1024); |
37040 | 1793 |
st->print("Mapped file: %s, ", p->pr_mapname[0] == '\0' ? "None" : p->pr_mapname); |
1794 |
st->print("Access: "); |
|
1795 |
st->print("%s",(p->pr_mflags & MA_READ) ? "r" : "-"); |
|
1796 |
st->print("%s",(p->pr_mflags & MA_WRITE) ? "w" : "-"); |
|
1797 |
st->print("%s",(p->pr_mflags & MA_EXEC) ? "x" : "-"); |
|
1798 |
st->cr(); |
|
1799 |
status = true; |
|
1800 |
} |
|
37117
27aec253e606
8151509: In check_addr0() function pointer is not updated correctly
csahu
parents:
37040
diff
changeset
|
1801 |
p++; |
37040 | 1802 |
} |
1 | 1803 |
} |
37040 | 1804 |
free(mbuff); |
37117
27aec253e606
8151509: In check_addr0() function pointer is not updated correctly
csahu
parents:
37040
diff
changeset
|
1805 |
::close(fd); |
27aec253e606
8151509: In check_addr0() function pointer is not updated correctly
csahu
parents:
37040
diff
changeset
|
1806 |
} |
1 | 1807 |
return status; |
1808 |
} |
|
1809 |
||
31963
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1810 |
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:
31610
diff
changeset
|
1811 |
// Get MHz with system call. We don't seem to already have this. |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1812 |
processor_info_t stats; |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1813 |
processorid_t id = getcpuid(); |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1814 |
int clock = 0; |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1815 |
if (processor_info(id, &stats) != -1) { |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1816 |
clock = stats.pi_clock; // pi_processor_type isn't more informative than below |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1817 |
} |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1818 |
#ifdef AMD64 |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1819 |
snprintf(buf, buflen, "x86 64 bit %d MHz", clock); |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1820 |
#else |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1821 |
// must be sparc |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1822 |
snprintf(buf, buflen, "Sparcv9 64 bit %d MHz", clock); |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1823 |
#endif |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1824 |
} |
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31610
diff
changeset
|
1825 |
|
31356
55ee785c49c5
8085865: hs_err improvement: Printing /proc/cpuinfo makes too long hs_err files
coleenp
parents:
31026
diff
changeset
|
1826 |
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
|
1827 |
// Nothing to do for now. |
e99d9a03c0f5
7061225: os::print_cpu_info() should support os-specific data
jcoomes
parents:
9419
diff
changeset
|
1828 |
} |
e99d9a03c0f5
7061225: os::print_cpu_info() should support os-specific data
jcoomes
parents:
9419
diff
changeset
|
1829 |
|
1 | 1830 |
void os::print_memory_info(outputStream* st) { |
1831 |
st->print("Memory:"); |
|
1832 |
st->print(" %dk page", os::vm_page_size()>>10); |
|
1833 |
st->print(", physical " UINT64_FORMAT "k", os::physical_memory()>>10); |
|
1834 |
st->print("(" UINT64_FORMAT "k free)", os::available_memory() >> 10); |
|
1835 |
st->cr(); |
|
1836 |
(void) check_addr0(st); |
|
1837 |
} |
|
1838 |
||
1839 |
// Moved from whole group, because we need them here for diagnostic |
|
1840 |
// prints. |
|
1841 |
static int Maxsignum = 0; |
|
1842 |
static int *ourSigFlags = NULL; |
|
1843 |
||
1844 |
int os::Solaris::get_our_sigflags(int sig) { |
|
1845 |
assert(ourSigFlags!=NULL, "signal data structure not initialized"); |
|
1846 |
assert(sig > 0 && sig < Maxsignum, "vm signal out of expected range"); |
|
1847 |
return ourSigFlags[sig]; |
|
1848 |
} |
|
1849 |
||
1850 |
void os::Solaris::set_our_sigflags(int sig, int flags) { |
|
1851 |
assert(ourSigFlags!=NULL, "signal data structure not initialized"); |
|
1852 |
assert(sig > 0 && sig < Maxsignum, "vm signal out of expected range"); |
|
1853 |
ourSigFlags[sig] = flags; |
|
1854 |
} |
|
1855 |
||
1856 |
||
1857 |
static const char* get_signal_handler_name(address handler, |
|
1858 |
char* buf, int buflen) { |
|
1859 |
int offset; |
|
1860 |
bool found = os::dll_address_to_library_name(handler, buf, buflen, &offset); |
|
1861 |
if (found) { |
|
1862 |
// skip directory names |
|
1863 |
const char *p1, *p2; |
|
1864 |
p1 = buf; |
|
1865 |
size_t len = strlen(os::file_separator()); |
|
1866 |
while ((p2 = strstr(p1, os::file_separator())) != NULL) p1 = p2 + len; |
|
1867 |
jio_snprintf(buf, buflen, "%s+0x%x", p1, offset); |
|
1868 |
} else { |
|
1869 |
jio_snprintf(buf, buflen, PTR_FORMAT, handler); |
|
1870 |
} |
|
1871 |
return buf; |
|
1872 |
} |
|
1873 |
||
1874 |
static void print_signal_handler(outputStream* st, int sig, |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1875 |
char* buf, size_t buflen) { |
1 | 1876 |
struct sigaction sa; |
1877 |
||
1878 |
sigaction(sig, NULL, &sa); |
|
1879 |
||
1880 |
st->print("%s: ", os::exception_name(sig, buf, buflen)); |
|
1881 |
||
1882 |
address handler = (sa.sa_flags & SA_SIGINFO) |
|
1883 |
? CAST_FROM_FN_PTR(address, sa.sa_sigaction) |
|
1884 |
: CAST_FROM_FN_PTR(address, sa.sa_handler); |
|
1885 |
||
1886 |
if (handler == CAST_FROM_FN_PTR(address, SIG_DFL)) { |
|
1887 |
st->print("SIG_DFL"); |
|
1888 |
} else if (handler == CAST_FROM_FN_PTR(address, SIG_IGN)) { |
|
1889 |
st->print("SIG_IGN"); |
|
1890 |
} else { |
|
1891 |
st->print("[%s]", get_signal_handler_name(handler, buf, buflen)); |
|
1892 |
} |
|
1893 |
||
22826 | 1894 |
st->print(", sa_mask[0]="); |
1895 |
os::Posix::print_signal_set_short(st, &sa.sa_mask); |
|
1 | 1896 |
|
1897 |
address rh = VMError::get_resetted_sighandler(sig); |
|
1898 |
// May be, handler was resetted by VMError? |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
1899 |
if (rh != NULL) { |
1 | 1900 |
handler = rh; |
1901 |
sa.sa_flags = VMError::get_resetted_sigflags(sig); |
|
1902 |
} |
|
1903 |
||
22826 | 1904 |
st->print(", sa_flags="); |
1905 |
os::Posix::print_sa_flags(st, sa.sa_flags); |
|
1 | 1906 |
|
1907 |
// Check: is it our handler? |
|
33732
2a47b89db4ec
8129526: Solaris: clean up another remnant of interruptible I/O
dholmes
parents:
33593
diff
changeset
|
1908 |
if (handler == CAST_FROM_FN_PTR(address, signalHandler)) { |
1 | 1909 |
// It is our signal handler |
1910 |
// check for flags |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
1911 |
if (sa.sa_flags != os::Solaris::get_our_sigflags(sig)) { |
1 | 1912 |
st->print( |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1913 |
", flags was changed from " PTR32_FORMAT ", consider using jsig library", |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
1914 |
os::Solaris::get_our_sigflags(sig)); |
1 | 1915 |
} |
1916 |
} |
|
1917 |
st->cr(); |
|
1918 |
} |
|
1919 |
||
1920 |
void os::print_signal_handlers(outputStream* st, char* buf, size_t buflen) { |
|
1921 |
st->print_cr("Signal Handlers:"); |
|
1922 |
print_signal_handler(st, SIGSEGV, buf, buflen); |
|
1923 |
print_signal_handler(st, SIGBUS , buf, buflen); |
|
1924 |
print_signal_handler(st, SIGFPE , buf, buflen); |
|
1925 |
print_signal_handler(st, SIGPIPE, buf, buflen); |
|
1926 |
print_signal_handler(st, SIGXFSZ, buf, buflen); |
|
1927 |
print_signal_handler(st, SIGILL , buf, buflen); |
|
1928 |
print_signal_handler(st, ASYNC_SIGNAL, buf, buflen); |
|
1929 |
print_signal_handler(st, BREAK_SIGNAL, buf, buflen); |
|
1930 |
print_signal_handler(st, SHUTDOWN1_SIGNAL , buf, buflen); |
|
1931 |
print_signal_handler(st, SHUTDOWN2_SIGNAL , buf, buflen); |
|
1932 |
print_signal_handler(st, SHUTDOWN3_SIGNAL, buf, buflen); |
|
1933 |
} |
|
1934 |
||
1935 |
static char saved_jvm_path[MAXPATHLEN] = { 0 }; |
|
1936 |
||
15096
3db45569f8c0
8005044: remove crufty '_g' support from HS runtime code
dcubed
parents:
14633
diff
changeset
|
1937 |
// Find the full path to the current module, libjvm.so |
1 | 1938 |
void os::jvm_path(char *buf, jint buflen) { |
1939 |
// Error checking. |
|
1940 |
if (buflen < MAXPATHLEN) { |
|
1941 |
assert(false, "must use a large-enough buffer"); |
|
1942 |
buf[0] = '\0'; |
|
1943 |
return; |
|
1944 |
} |
|
1945 |
// Lazy resolve the path to current module. |
|
1946 |
if (saved_jvm_path[0] != 0) { |
|
1947 |
strcpy(buf, saved_jvm_path); |
|
1948 |
return; |
|
1949 |
} |
|
1950 |
||
1951 |
Dl_info dlinfo; |
|
1952 |
int ret = dladdr(CAST_FROM_FN_PTR(void *, os::jvm_path), &dlinfo); |
|
1953 |
assert(ret != 0, "cannot locate libjvm"); |
|
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1954 |
if (ret != 0 && dlinfo.dli_fname != NULL) { |
46331 | 1955 |
if (os::Posix::realpath((char *)dlinfo.dli_fname, buf, buflen) == NULL) { |
1956 |
return; |
|
1957 |
} |
|
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1958 |
} else { |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1959 |
buf[0] = '\0'; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1960 |
return; |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
1961 |
} |
1 | 1962 |
|
22734
41757c1f3946
8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents:
22533
diff
changeset
|
1963 |
if (Arguments::sun_java_launcher_is_altjvm()) { |
41757c1f3946
8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents:
22533
diff
changeset
|
1964 |
// Support for the java launcher's '-XXaltjvm=<path>' option. Typical |
41757c1f3946
8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents:
22533
diff
changeset
|
1965 |
// value for buf is "<JAVA_HOME>/jre/lib/<arch>/<vmtype>/libjvm.so". |
41757c1f3946
8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents:
22533
diff
changeset
|
1966 |
// If "/jre/lib/" appears at the right place in the string, then |
41757c1f3946
8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents:
22533
diff
changeset
|
1967 |
// assume we are installed in a JDK and we're done. Otherwise, check |
41757c1f3946
8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents:
22533
diff
changeset
|
1968 |
// 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
|
1969 |
// looks like libjvm.so is installed there (append a fake suffix |
41757c1f3946
8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents:
22533
diff
changeset
|
1970 |
// hotspot/libjvm.so). |
1 | 1971 |
const char *p = buf + strlen(buf) - 1; |
1972 |
for (int count = 0; p > buf && count < 5; ++count) { |
|
1973 |
for (--p; p > buf && *p != '/'; --p) |
|
1974 |
/* empty */ ; |
|
1975 |
} |
|
1976 |
||
1977 |
if (strncmp(p, "/jre/lib/", 9) != 0) { |
|
1978 |
// Look for JAVA_HOME in the environment. |
|
1979 |
char* java_home_var = ::getenv("JAVA_HOME"); |
|
1980 |
if (java_home_var != NULL && java_home_var[0] != 0) { |
|
5922 | 1981 |
char* jrelib_p; |
1982 |
int len; |
|
42633
0c23e9d8fccf
8066474: Remove the lib/ directory from Linux and Solaris images
erikj
parents:
41707
diff
changeset
|
1983 |
|
15096
3db45569f8c0
8005044: remove crufty '_g' support from HS runtime code
dcubed
parents:
14633
diff
changeset
|
1984 |
// Check the current module name "libjvm.so". |
1 | 1985 |
p = strrchr(buf, '/'); |
1986 |
assert(strstr(p, "/libjvm") == p, "invalid library name"); |
|
1987 |
||
46331 | 1988 |
if (os::Posix::realpath(java_home_var, buf, buflen) == NULL) { |
1989 |
return; |
|
1990 |
} |
|
5922 | 1991 |
// determine if this is a legacy image or modules image |
1992 |
// modules image doesn't have "jre" subdirectory |
|
1993 |
len = strlen(buf); |
|
25503 | 1994 |
assert(len < buflen, "Ran out of buffer space"); |
5922 | 1995 |
jrelib_p = buf + len; |
42633
0c23e9d8fccf
8066474: Remove the lib/ directory from Linux and Solaris images
erikj
parents:
41707
diff
changeset
|
1996 |
snprintf(jrelib_p, buflen-len, "/jre/lib"); |
5922 | 1997 |
if (0 != access(buf, F_OK)) { |
42633
0c23e9d8fccf
8066474: Remove the lib/ directory from Linux and Solaris images
erikj
parents:
41707
diff
changeset
|
1998 |
snprintf(jrelib_p, buflen-len, "/lib"); |
5922 | 1999 |
} |
2000 |
||
1 | 2001 |
if (0 == access(buf, F_OK)) { |
15096
3db45569f8c0
8005044: remove crufty '_g' support from HS runtime code
dcubed
parents:
14633
diff
changeset
|
2002 |
// Use current module name "libjvm.so" |
5922 | 2003 |
len = strlen(buf); |
15096
3db45569f8c0
8005044: remove crufty '_g' support from HS runtime code
dcubed
parents:
14633
diff
changeset
|
2004 |
snprintf(buf + len, buflen-len, "/hotspot/libjvm.so"); |
1 | 2005 |
} else { |
2006 |
// Go back to path of .so |
|
46331 | 2007 |
if (os::Posix::realpath((char *)dlinfo.dli_fname, buf, buflen) == NULL) { |
2008 |
return; |
|
2009 |
} |
|
1 | 2010 |
} |
2011 |
} |
|
2012 |
} |
|
2013 |
} |
|
2014 |
||
25503 | 2015 |
strncpy(saved_jvm_path, buf, MAXPATHLEN); |
27471 | 2016 |
saved_jvm_path[MAXPATHLEN - 1] = '\0'; |
1 | 2017 |
} |
2018 |
||
2019 |
||
2020 |
void os::print_jni_name_prefix_on(outputStream* st, int args_size) { |
|
2021 |
// no prefix required, not even "_" |
|
2022 |
} |
|
2023 |
||
2024 |
||
2025 |
void os::print_jni_name_suffix_on(outputStream* st, int args_size) { |
|
2026 |
// no suffix required |
|
2027 |
} |
|
2028 |
||
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2029 |
// 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
|
2030 |
// from src/solaris/hpi/src/system_md.c |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2031 |
|
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2032 |
size_t os::lasterror(char *buf, size_t len) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2033 |
if (errno == 0) return 0; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2034 |
|
37113 | 2035 |
const char *s = os::strerror(errno); |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2036 |
size_t n = ::strlen(s); |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2037 |
if (n >= len) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2038 |
n = len - 1; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2039 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2040 |
::strncpy(buf, s, n); |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2041 |
buf[n] = '\0'; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2042 |
return n; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2043 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2044 |
|
1 | 2045 |
|
2046 |
// sun.misc.Signal |
|
2047 |
||
2048 |
extern "C" { |
|
2049 |
static void UserHandler(int sig, void *siginfo, void *context) { |
|
2050 |
// Ctrl-C is pressed during error reporting, likely because the error |
|
2051 |
// handler fails to abort. Let VM die immediately. |
|
46589 | 2052 |
if (sig == SIGINT && VMError::is_error_reported()) { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2053 |
os::die(); |
1 | 2054 |
} |
2055 |
||
2056 |
os::signal_notify(sig); |
|
2057 |
// We do not need to reinstate the signal handler each time... |
|
2058 |
} |
|
2059 |
} |
|
2060 |
||
2061 |
void* os::user_handler() { |
|
2062 |
return CAST_FROM_FN_PTR(void*, UserHandler); |
|
2063 |
} |
|
2064 |
||
48635
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2065 |
static struct timespec create_semaphore_timespec(unsigned int sec, int nsec) { |
18025 | 2066 |
struct timespec ts; |
2067 |
unpackTime(&ts, false, (sec * NANOSECS_PER_SEC) + nsec); |
|
2068 |
||
31610 | 2069 |
return ts; |
18025 | 2070 |
} |
2071 |
||
1 | 2072 |
extern "C" { |
2073 |
typedef void (*sa_handler_t)(int); |
|
2074 |
typedef void (*sa_sigaction_t)(int, siginfo_t *, void *); |
|
2075 |
} |
|
2076 |
||
2077 |
void* os::signal(int signal_number, void* handler) { |
|
2078 |
struct sigaction sigAct, oldSigAct; |
|
2079 |
sigfillset(&(sigAct.sa_mask)); |
|
2080 |
sigAct.sa_flags = SA_RESTART & ~SA_RESETHAND; |
|
2081 |
sigAct.sa_handler = CAST_TO_FN_PTR(sa_handler_t, handler); |
|
2082 |
||
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
2083 |
if (sigaction(signal_number, &sigAct, &oldSigAct)) { |
1 | 2084 |
// -1 means registration failed |
2085 |
return (void *)-1; |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
2086 |
} |
1 | 2087 |
|
2088 |
return CAST_FROM_FN_PTR(void*, oldSigAct.sa_handler); |
|
2089 |
} |
|
2090 |
||
2091 |
void os::signal_raise(int signal_number) { |
|
2092 |
raise(signal_number); |
|
2093 |
} |
|
2094 |
||
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
2095 |
// 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
|
2096 |
// code platform specific, which it is by its very nature. |
1 | 2097 |
|
2098 |
// a counter for each possible signal value |
|
2099 |
static int Sigexit = 0; |
|
2100 |
static jint *pending_signals = NULL; |
|
2101 |
static int *preinstalled_sigs = NULL; |
|
2102 |
static struct sigaction *chainedsigactions = NULL; |
|
48635
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2103 |
static Semaphore* sig_sem = NULL; |
1 | 2104 |
|
2105 |
int os::sigexitnum_pd() { |
|
2106 |
assert(Sigexit > 0, "signal memory not yet initialized"); |
|
2107 |
return Sigexit; |
|
2108 |
} |
|
2109 |
||
2110 |
void os::Solaris::init_signal_mem() { |
|
2111 |
// Initialize signal structures |
|
2112 |
Maxsignum = SIGRTMAX; |
|
2113 |
Sigexit = Maxsignum+1; |
|
2114 |
assert(Maxsignum >0, "Unable to obtain max signal number"); |
|
2115 |
||
48635
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2116 |
// Initialize signal structures |
1 | 2117 |
// pending_signals has one int per signal |
2118 |
// The additional signal is for SIGEXIT - exit signal to signal_thread |
|
13195 | 2119 |
pending_signals = (jint *)os::malloc(sizeof(jint) * (Sigexit+1), mtInternal); |
1 | 2120 |
memset(pending_signals, 0, (sizeof(jint) * (Sigexit+1))); |
2121 |
||
2122 |
if (UseSignalChaining) { |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2123 |
chainedsigactions = (struct sigaction *)malloc(sizeof(struct sigaction) |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2124 |
* (Maxsignum + 1), mtInternal); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2125 |
memset(chainedsigactions, 0, (sizeof(struct sigaction) * (Maxsignum + 1))); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2126 |
preinstalled_sigs = (int *)os::malloc(sizeof(int) * (Maxsignum + 1), mtInternal); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2127 |
memset(preinstalled_sigs, 0, (sizeof(int) * (Maxsignum + 1))); |
1 | 2128 |
} |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
2129 |
ourSigFlags = (int*)malloc(sizeof(int) * (Maxsignum + 1), mtInternal); |
1 | 2130 |
memset(ourSigFlags, 0, sizeof(int) * (Maxsignum + 1)); |
2131 |
} |
|
2132 |
||
2133 |
void os::signal_init_pd() { |
|
48635
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2134 |
// Initialize signal semaphore |
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2135 |
sig_sem = new Semaphore(); |
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2136 |
} |
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2137 |
|
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2138 |
void os::signal_notify(int sig) { |
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2139 |
if (sig_sem != NULL) { |
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2140 |
Atomic::inc(&pending_signals[sig]); |
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2141 |
sig_sem->signal(); |
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2142 |
} else { |
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2143 |
// Signal thread is not created with ReduceSignalUsage and signal_init_pd |
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2144 |
// initialization isn't called. |
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2145 |
assert(ReduceSignalUsage, "signal semaphore should be created"); |
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2146 |
} |
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2147 |
} |
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2148 |
|
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2149 |
static int check_pending_signals() { |
1 | 2150 |
int ret; |
2151 |
while (true) { |
|
2152 |
for (int i = 0; i < Sigexit + 1; i++) { |
|
2153 |
jint n = pending_signals[i]; |
|
2154 |
if (n > 0 && n == Atomic::cmpxchg(n - 1, &pending_signals[i], n)) { |
|
2155 |
return i; |
|
2156 |
} |
|
2157 |
} |
|
2158 |
JavaThread *thread = JavaThread::current(); |
|
2159 |
ThreadBlockInVM tbivm(thread); |
|
2160 |
||
2161 |
bool threadIsSuspended; |
|
2162 |
do { |
|
2163 |
thread->set_suspend_equivalent(); |
|
48635
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2164 |
sig_sem->wait(); |
1 | 2165 |
|
2166 |
// were we externally suspended while we were waiting? |
|
2167 |
threadIsSuspended = thread->handle_special_suspend_equivalent_condition(); |
|
2168 |
if (threadIsSuspended) { |
|
2169 |
// The semaphore has been incremented, but while we were waiting |
|
2170 |
// another thread suspended us. We don't want to continue running |
|
2171 |
// while suspended because that would surprise the thread that |
|
2172 |
// suspended us. |
|
48635
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2173 |
sig_sem->signal(); |
1 | 2174 |
|
2175 |
thread->java_suspend_self(); |
|
2176 |
} |
|
2177 |
} while (threadIsSuspended); |
|
2178 |
} |
|
2179 |
} |
|
2180 |
||
2181 |
int os::signal_wait() { |
|
48635
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
2182 |
return check_pending_signals(); |
1 | 2183 |
} |
2184 |
||
2185 |
//////////////////////////////////////////////////////////////////////////////// |
|
2186 |
// Virtual Memory |
|
2187 |
||
2188 |
static int page_size = -1; |
|
2189 |
||
2190 |
int os::vm_page_size() { |
|
2191 |
assert(page_size != -1, "must call os::init"); |
|
2192 |
return page_size; |
|
2193 |
} |
|
2194 |
||
2195 |
// Solaris allocates memory by pages. |
|
2196 |
int os::vm_allocation_granularity() { |
|
2197 |
assert(page_size != -1, "must call os::init"); |
|
2198 |
return page_size; |
|
2199 |
} |
|
2200 |
||
18069
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2201 |
static bool recoverable_mmap_error(int err) { |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2202 |
// See if the error is one we can let the caller handle. This |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2203 |
// list of errno values comes from the Solaris mmap(2) man page. |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2204 |
switch (err) { |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2205 |
case EBADF: |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2206 |
case EINVAL: |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2207 |
case ENOTSUP: |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2208 |
// let the caller deal with these errors |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2209 |
return true; |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2210 |
|
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2211 |
default: |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2212 |
// Any remaining errors on this OS can cause our reserved mapping |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2213 |
// to be lost. That can cause confusion where different data |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2214 |
// structures think they have the same memory mapped. The worst |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2215 |
// scenario is if both the VM and a library think they have the |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2216 |
// same memory mapped. |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2217 |
return false; |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2218 |
} |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2219 |
} |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2220 |
|
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2221 |
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
|
2222 |
int err) { |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2223 |
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
|
2224 |
", %d) failed; error='%s' (errno=%d)", addr, bytes, exec, |
37113 | 2225 |
os::strerror(err), err); |
18069
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2226 |
} |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2227 |
|
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2228 |
static void warn_fail_commit_memory(char* addr, size_t bytes, |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2229 |
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
|
2230 |
int err) { |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2231 |
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
|
2232 |
", " SIZE_FORMAT ", %d) failed; error='%s' (errno=%d)", addr, bytes, |
37113 | 2233 |
alignment_hint, exec, os::strerror(err), err); |
18069
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2234 |
} |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2235 |
|
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2236 |
int os::Solaris::commit_memory_impl(char* addr, size_t bytes, bool exec) { |
2268 | 2237 |
int prot = exec ? PROT_READ|PROT_WRITE|PROT_EXEC : PROT_READ|PROT_WRITE; |
1 | 2238 |
size_t size = bytes; |
10494 | 2239 |
char *res = Solaris::mmap_chunk(addr, size, MAP_PRIVATE|MAP_FIXED, prot); |
2240 |
if (res != NULL) { |
|
2241 |
if (UseNUMAInterleaving) { |
|
2242 |
numa_make_global(addr, bytes); |
|
2243 |
} |
|
18069
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2244 |
return 0; |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2245 |
} |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2246 |
|
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2247 |
int err = errno; // save errno from mmap() call in mmap_chunk() |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2248 |
|
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2249 |
if (!recoverable_mmap_error(err)) { |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2250 |
warn_fail_commit_memory(addr, bytes, exec, err); |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2251 |
vm_exit_out_of_memory(bytes, OOM_MMAP_ERROR, "committing reserved memory."); |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2252 |
} |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2253 |
|
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2254 |
return err; |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2255 |
} |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2256 |
|
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2257 |
bool os::pd_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
|
2258 |
return Solaris::commit_memory_impl(addr, bytes, exec) == 0; |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2259 |
} |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2260 |
|
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2261 |
void os::pd_commit_memory_or_exit(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
|
2262 |
const char* mesg) { |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2263 |
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
|
2264 |
int err = os::Solaris::commit_memory_impl(addr, bytes, exec); |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2265 |
if (err != 0) { |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2266 |
// the caller wants all commit errors to exit with the specified mesg: |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2267 |
warn_fail_commit_memory(addr, bytes, exec, err); |
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
32181
diff
changeset
|
2268 |
vm_exit_out_of_memory(bytes, 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
|
2269 |
} |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2270 |
} |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2271 |
|
26697
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2272 |
size_t os::Solaris::page_size_for_alignment(size_t alignment) { |
46619
a3919f5e8d2b
8178499: Remove _ptr_ and _size_ infixes from align functions
stefank
parents:
46618
diff
changeset
|
2273 |
assert(is_aligned(alignment, (size_t) vm_page_size()), |
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
32181
diff
changeset
|
2274 |
SIZE_FORMAT " is not aligned to " SIZE_FORMAT, |
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
32181
diff
changeset
|
2275 |
alignment, (size_t) vm_page_size()); |
26697
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2276 |
|
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2277 |
for (int i = 0; _page_sizes[i] != 0; i++) { |
46619
a3919f5e8d2b
8178499: Remove _ptr_ and _size_ infixes from align functions
stefank
parents:
46618
diff
changeset
|
2278 |
if (is_aligned(alignment, _page_sizes[i])) { |
26697
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2279 |
return _page_sizes[i]; |
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2280 |
} |
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2281 |
} |
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2282 |
|
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2283 |
return (size_t) vm_page_size(); |
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2284 |
} |
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2285 |
|
18069
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2286 |
int os::Solaris::commit_memory_impl(char* addr, size_t bytes, |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2287 |
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
|
2288 |
int err = Solaris::commit_memory_impl(addr, bytes, exec); |
26697
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2289 |
if (err == 0 && UseLargePages && alignment_hint > 0) { |
46619
a3919f5e8d2b
8178499: Remove _ptr_ and _size_ infixes from align functions
stefank
parents:
46618
diff
changeset
|
2290 |
assert(is_aligned(bytes, alignment_hint), |
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
32181
diff
changeset
|
2291 |
SIZE_FORMAT " is not aligned to " SIZE_FORMAT, bytes, alignment_hint); |
26697
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2292 |
|
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2293 |
// The syscall memcntl requires an exact page size (see man memcntl for details). |
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2294 |
size_t page_size = page_size_for_alignment(alignment_hint); |
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2295 |
if (page_size > (size_t) vm_page_size()) { |
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2296 |
(void)Solaris::setup_large_pages(addr, bytes, page_size); |
1 | 2297 |
} |
18069
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2298 |
} |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2299 |
return err; |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2300 |
} |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2301 |
|
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2302 |
bool os::pd_commit_memory(char* addr, size_t bytes, size_t alignment_hint, |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2303 |
bool exec) { |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2304 |
return Solaris::commit_memory_impl(addr, bytes, alignment_hint, exec) == 0; |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2305 |
} |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2306 |
|
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2307 |
void os::pd_commit_memory_or_exit(char* addr, size_t bytes, |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2308 |
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
|
2309 |
const char* mesg) { |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2310 |
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
|
2311 |
int err = os::Solaris::commit_memory_impl(addr, bytes, alignment_hint, exec); |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2312 |
if (err != 0) { |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2313 |
// the caller wants all commit errors to exit with the specified mesg: |
e6d4971c8650
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
18025
diff
changeset
|
2314 |
warn_fail_commit_memory(addr, bytes, alignment_hint, exec, err); |
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
32181
diff
changeset
|
2315 |
vm_exit_out_of_memory(bytes, 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
|
2316 |
} |
1 | 2317 |
} |
2318 |
||
2319 |
// Uncommit the pages in a specified region. |
|
13195 | 2320 |
void os::pd_free_memory(char* addr, size_t bytes, size_t alignment_hint) { |
1 | 2321 |
if (madvise(addr, bytes, MADV_FREE) < 0) { |
2322 |
debug_only(warning("MADV_FREE failed.")); |
|
2323 |
return; |
|
2324 |
} |
|
2325 |
} |
|
2326 |
||
13195 | 2327 |
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
|
2328 |
return os::commit_memory(addr, size, !ExecMem); |
5085
4f0c435f8c3c
6929067: Stack guard pages should be removed when thread is detached
coleenp
parents:
4493
diff
changeset
|
2329 |
} |
4f0c435f8c3c
6929067: Stack guard pages should be removed when thread is detached
coleenp
parents:
4493
diff
changeset
|
2330 |
|
4f0c435f8c3c
6929067: Stack guard pages should be removed when thread is detached
coleenp
parents:
4493
diff
changeset
|
2331 |
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:
4493
diff
changeset
|
2332 |
return os::uncommit_memory(addr, size); |
4f0c435f8c3c
6929067: Stack guard pages should be removed when thread is detached
coleenp
parents:
4493
diff
changeset
|
2333 |
} |
4f0c435f8c3c
6929067: Stack guard pages should be removed when thread is detached
coleenp
parents:
4493
diff
changeset
|
2334 |
|
1 | 2335 |
// Change the page size in a given range. |
13195 | 2336 |
void os::pd_realign_memory(char *addr, size_t bytes, size_t alignment_hint) { |
1 | 2337 |
assert((intptr_t)addr % alignment_hint == 0, "Address should be aligned."); |
2338 |
assert((intptr_t)(addr + bytes) % alignment_hint == 0, "End should be aligned."); |
|
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2339 |
if (UseLargePages) { |
27630
f5b2d7c500f4
8061467: Bad page size passed to setup_large_pages() on Solaris
ehelin
parents:
27400
diff
changeset
|
2340 |
size_t page_size = Solaris::page_size_for_alignment(alignment_hint); |
f5b2d7c500f4
8061467: Bad page size passed to setup_large_pages() on Solaris
ehelin
parents:
27400
diff
changeset
|
2341 |
if (page_size > (size_t) vm_page_size()) { |
f5b2d7c500f4
8061467: Bad page size passed to setup_large_pages() on Solaris
ehelin
parents:
27400
diff
changeset
|
2342 |
Solaris::setup_large_pages(addr, bytes, page_size); |
f5b2d7c500f4
8061467: Bad page size passed to setup_large_pages() on Solaris
ehelin
parents:
27400
diff
changeset
|
2343 |
} |
9341
347fa5cdbd39
7037939: NUMA: Disable adaptive resizing if SHM large pages are used
iveresov
parents:
8478
diff
changeset
|
2344 |
} |
1 | 2345 |
} |
2346 |
||
2347 |
// Tell the OS to make the range local to the first-touching LWP |
|
388 | 2348 |
void os::numa_make_local(char *addr, size_t bytes, int lgrp_hint) { |
1 | 2349 |
assert((intptr_t)addr % os::vm_page_size() == 0, "Address should be page-aligned."); |
2350 |
if (madvise(addr, bytes, MADV_ACCESS_LWP) < 0) { |
|
2351 |
debug_only(warning("MADV_ACCESS_LWP failed.")); |
|
2352 |
} |
|
2353 |
} |
|
2354 |
||
2355 |
// Tell the OS that this range would be accessed from different LWPs. |
|
2356 |
void os::numa_make_global(char *addr, size_t bytes) { |
|
2357 |
assert((intptr_t)addr % os::vm_page_size() == 0, "Address should be page-aligned."); |
|
2358 |
if (madvise(addr, bytes, MADV_ACCESS_MANY) < 0) { |
|
2359 |
debug_only(warning("MADV_ACCESS_MANY failed.")); |
|
2360 |
} |
|
2361 |
} |
|
2362 |
||
2363 |
// Get the number of the locality groups. |
|
2364 |
size_t os::numa_get_groups_num() { |
|
2365 |
size_t n = Solaris::lgrp_nlgrps(Solaris::lgrp_cookie()); |
|
2366 |
return n != -1 ? n : 1; |
|
2367 |
} |
|
2368 |
||
2369 |
// Get a list of leaf locality groups. A leaf lgroup is group that |
|
2370 |
// doesn't have any children. Typical leaf group is a CPU or a CPU/memory |
|
2371 |
// board. An LWP is assigned to one of these groups upon creation. |
|
2372 |
size_t os::numa_get_leaf_groups(int *ids, size_t size) { |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2373 |
if ((ids[0] = Solaris::lgrp_root(Solaris::lgrp_cookie())) == -1) { |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2374 |
ids[0] = 0; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2375 |
return 1; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2376 |
} |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2377 |
int result_size = 0, top = 1, bottom = 0, cur = 0; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2378 |
for (int k = 0; k < size; k++) { |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2379 |
int r = Solaris::lgrp_children(Solaris::lgrp_cookie(), ids[cur], |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2380 |
(Solaris::lgrp_id_t*)&ids[top], size - top); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2381 |
if (r == -1) { |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2382 |
ids[0] = 0; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2383 |
return 1; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2384 |
} |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2385 |
if (!r) { |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2386 |
// That's a leaf node. |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2387 |
assert(bottom <= cur, "Sanity check"); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2388 |
// Check if the node has memory |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2389 |
if (Solaris::lgrp_resources(Solaris::lgrp_cookie(), ids[cur], |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2390 |
NULL, 0, LGRP_RSRC_MEM) > 0) { |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2391 |
ids[bottom++] = ids[cur]; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2392 |
} |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2393 |
} |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2394 |
top += r; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2395 |
cur++; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2396 |
} |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2397 |
if (bottom == 0) { |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2398 |
// Handle a situation, when the OS reports no memory available. |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2399 |
// Assume UMA architecture. |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2400 |
ids[0] = 0; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2401 |
return 1; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2402 |
} |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2403 |
return bottom; |
1 | 2404 |
} |
2405 |
||
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
391
diff
changeset
|
2406 |
// Detect the topology change. Typically happens during CPU plugging-unplugging. |
1 | 2407 |
bool os::numa_topology_changed() { |
2408 |
int is_stale = Solaris::lgrp_cookie_stale(Solaris::lgrp_cookie()); |
|
2409 |
if (is_stale != -1 && is_stale) { |
|
2410 |
Solaris::lgrp_fini(Solaris::lgrp_cookie()); |
|
2411 |
Solaris::lgrp_cookie_t c = Solaris::lgrp_init(Solaris::LGRP_VIEW_CALLER); |
|
2412 |
assert(c != 0, "Failure to initialize LGRP API"); |
|
2413 |
Solaris::set_lgrp_cookie(c); |
|
2414 |
return true; |
|
2415 |
} |
|
2416 |
return false; |
|
2417 |
} |
|
2418 |
||
2419 |
// Get the group id of the current LWP. |
|
2420 |
int os::numa_get_group_id() { |
|
391
f889070a8684
6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator.
iveresov
parents:
388
diff
changeset
|
2421 |
int lgrp_id = Solaris::lgrp_home(P_LWPID, P_MYID); |
1 | 2422 |
if (lgrp_id == -1) { |
2423 |
return 0; |
|
2424 |
} |
|
391
f889070a8684
6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator.
iveresov
parents:
388
diff
changeset
|
2425 |
const int size = os::numa_get_groups_num(); |
f889070a8684
6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator.
iveresov
parents:
388
diff
changeset
|
2426 |
int *ids = (int*)alloca(size * sizeof(int)); |
f889070a8684
6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator.
iveresov
parents:
388
diff
changeset
|
2427 |
|
f889070a8684
6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator.
iveresov
parents:
388
diff
changeset
|
2428 |
// Get the ids of all lgroups with memory; r is the count. |
f889070a8684
6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator.
iveresov
parents:
388
diff
changeset
|
2429 |
int r = Solaris::lgrp_resources(Solaris::lgrp_cookie(), lgrp_id, |
f889070a8684
6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator.
iveresov
parents:
388
diff
changeset
|
2430 |
(Solaris::lgrp_id_t*)ids, size, LGRP_RSRC_MEM); |
f889070a8684
6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator.
iveresov
parents:
388
diff
changeset
|
2431 |
if (r <= 0) { |
f889070a8684
6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator.
iveresov
parents:
388
diff
changeset
|
2432 |
return 0; |
f889070a8684
6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator.
iveresov
parents:
388
diff
changeset
|
2433 |
} |
f889070a8684
6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator.
iveresov
parents:
388
diff
changeset
|
2434 |
return ids[os::random() % r]; |
1 | 2435 |
} |
2436 |
||
2437 |
// Request information about the page. |
|
2438 |
bool os::get_page_info(char *start, page_info* info) { |
|
2439 |
const uint_t info_types[] = { MEMINFO_VLGRP, MEMINFO_VPAGESIZE }; |
|
2440 |
uint64_t addr = (uintptr_t)start; |
|
2441 |
uint64_t outdata[2]; |
|
2442 |
uint_t validity = 0; |
|
2443 |
||
41707
7a8490836761
8157141: Fix for JDK-8031290 is unnecessarily fragile
alanbur
parents:
41070
diff
changeset
|
2444 |
if (meminfo(&addr, 1, info_types, 2, outdata, &validity) < 0) { |
1 | 2445 |
return false; |
2446 |
} |
|
2447 |
||
2448 |
info->size = 0; |
|
2449 |
info->lgrp_id = -1; |
|
2450 |
||
2451 |
if ((validity & 1) != 0) { |
|
2452 |
if ((validity & 2) != 0) { |
|
2453 |
info->lgrp_id = outdata[0]; |
|
2454 |
} |
|
2455 |
if ((validity & 4) != 0) { |
|
2456 |
info->size = outdata[1]; |
|
2457 |
} |
|
2458 |
return true; |
|
2459 |
} |
|
2460 |
return false; |
|
2461 |
} |
|
2462 |
||
2463 |
// Scan the pages from start to end until a page different than |
|
2464 |
// the one described in the info parameter is encountered. |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
2465 |
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
|
2466 |
page_info* page_found) { |
1 | 2467 |
const uint_t info_types[] = { MEMINFO_VLGRP, MEMINFO_VPAGESIZE }; |
2468 |
const size_t types = sizeof(info_types) / sizeof(info_types[0]); |
|
22745 | 2469 |
uint64_t addrs[MAX_MEMINFO_CNT], outdata[types * MAX_MEMINFO_CNT + 1]; |
1 | 2470 |
uint_t validity[MAX_MEMINFO_CNT]; |
2471 |
||
2472 |
size_t page_size = MAX2((size_t)os::vm_page_size(), page_expected->size); |
|
2473 |
uint64_t p = (uint64_t)start; |
|
2474 |
while (p < (uint64_t)end) { |
|
2475 |
addrs[0] = p; |
|
2476 |
size_t addrs_count = 1; |
|
15955
6d0d8bea2bcc
8004697: SIGSEGV on Solaris sparc with -XX:+UseNUMA
stefank
parents:
15743
diff
changeset
|
2477 |
while (addrs_count < MAX_MEMINFO_CNT && addrs[addrs_count - 1] + page_size < (uint64_t)end) { |
1 | 2478 |
addrs[addrs_count] = addrs[addrs_count - 1] + page_size; |
2479 |
addrs_count++; |
|
2480 |
} |
|
2481 |
||
41707
7a8490836761
8157141: Fix for JDK-8031290 is unnecessarily fragile
alanbur
parents:
41070
diff
changeset
|
2482 |
if (meminfo(addrs, addrs_count, info_types, types, outdata, validity) < 0) { |
1 | 2483 |
return NULL; |
2484 |
} |
|
2485 |
||
2486 |
size_t i = 0; |
|
2487 |
for (; i < addrs_count; i++) { |
|
2488 |
if ((validity[i] & 1) != 0) { |
|
2489 |
if ((validity[i] & 4) != 0) { |
|
2490 |
if (outdata[types * i + 1] != page_expected->size) { |
|
2491 |
break; |
|
2492 |
} |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
2493 |
} else if (page_expected->size != 0) { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2494 |
break; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2495 |
} |
1 | 2496 |
|
2497 |
if ((validity[i] & 2) != 0 && page_expected->lgrp_id > 0) { |
|
2498 |
if (outdata[types * i] != page_expected->lgrp_id) { |
|
2499 |
break; |
|
2500 |
} |
|
2501 |
} |
|
2502 |
} else { |
|
2503 |
return NULL; |
|
2504 |
} |
|
2505 |
} |
|
2506 |
||
22745 | 2507 |
if (i < addrs_count) { |
1 | 2508 |
if ((validity[i] & 2) != 0) { |
2509 |
page_found->lgrp_id = outdata[types * i]; |
|
2510 |
} else { |
|
2511 |
page_found->lgrp_id = -1; |
|
2512 |
} |
|
2513 |
if ((validity[i] & 4) != 0) { |
|
2514 |
page_found->size = outdata[types * i + 1]; |
|
2515 |
} else { |
|
2516 |
page_found->size = 0; |
|
2517 |
} |
|
2518 |
return (char*)addrs[i]; |
|
2519 |
} |
|
2520 |
||
2521 |
p = addrs[addrs_count - 1] + page_size; |
|
2522 |
} |
|
2523 |
return end; |
|
2524 |
} |
|
2525 |
||
13195 | 2526 |
bool os::pd_uncommit_memory(char* addr, size_t bytes) { |
1 | 2527 |
size_t size = bytes; |
2528 |
// Map uncommitted pages PROT_NONE so we fail early if we touch an |
|
2529 |
// uncommitted page. Otherwise, the read/write might succeed if we |
|
2530 |
// have enough swap space to back the physical page. |
|
2531 |
return |
|
2532 |
NULL != Solaris::mmap_chunk(addr, size, |
|
2533 |
MAP_PRIVATE|MAP_FIXED|MAP_NORESERVE, |
|
2534 |
PROT_NONE); |
|
2535 |
} |
|
2536 |
||
2537 |
char* os::Solaris::mmap_chunk(char *addr, size_t size, int flags, int prot) { |
|
2538 |
char *b = (char *)mmap(addr, size, prot, flags, os::Solaris::_dev_zero_fd, 0); |
|
2539 |
||
2540 |
if (b == MAP_FAILED) { |
|
2541 |
return NULL; |
|
2542 |
} |
|
2543 |
return b; |
|
2544 |
} |
|
2545 |
||
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
2546 |
char* os::Solaris::anon_mmap(char* requested_addr, size_t bytes, |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
2547 |
size_t alignment_hint, bool fixed) { |
233
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2548 |
char* addr = requested_addr; |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2549 |
int flags = MAP_PRIVATE | MAP_NORESERVE; |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2550 |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
2551 |
assert(!(fixed && (alignment_hint > 0)), |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
2552 |
"alignment hint meaningless with fixed mmap"); |
233
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2553 |
|
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2554 |
if (fixed) { |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2555 |
flags |= MAP_FIXED; |
47881
0ce0ac68ace7
8189941: Implementation JEP 312: Thread-local handshake
rehn
parents:
47765
diff
changeset
|
2556 |
} else if (alignment_hint > (size_t) vm_page_size()) { |
1 | 2557 |
flags |= MAP_ALIGN; |
2558 |
addr = (char*) alignment_hint; |
|
2559 |
} |
|
2560 |
||
2561 |
// Map uncommitted pages PROT_NONE so we fail early if we touch an |
|
2562 |
// uncommitted page. Otherwise, the read/write might succeed if we |
|
2563 |
// have enough swap space to back the physical page. |
|
233
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2564 |
return mmap_chunk(addr, bytes, flags, PROT_NONE); |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2565 |
} |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2566 |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
2567 |
char* os::pd_reserve_memory(size_t bytes, char* requested_addr, |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
2568 |
size_t alignment_hint) { |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
2569 |
char* addr = Solaris::anon_mmap(requested_addr, bytes, alignment_hint, |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
2570 |
(requested_addr != NULL)); |
1 | 2571 |
|
2572 |
guarantee(requested_addr == NULL || requested_addr == addr, |
|
2573 |
"OS failed to return requested mmap address."); |
|
2574 |
return addr; |
|
2575 |
} |
|
2576 |
||
48153
cfa2c43e58c2
8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents:
48005
diff
changeset
|
2577 |
char* os::pd_attempt_reserve_memory_at(size_t bytes, char* requested_addr, int file_desc) { |
cfa2c43e58c2
8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents:
48005
diff
changeset
|
2578 |
assert(file_desc >= 0, "file_desc is not valid"); |
cfa2c43e58c2
8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents:
48005
diff
changeset
|
2579 |
char* result = pd_attempt_reserve_memory_at(bytes, requested_addr); |
cfa2c43e58c2
8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents:
48005
diff
changeset
|
2580 |
if (result != NULL) { |
cfa2c43e58c2
8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents:
48005
diff
changeset
|
2581 |
if (replace_existing_mapping_with_file_mapping(result, bytes, file_desc) == NULL) { |
cfa2c43e58c2
8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents:
48005
diff
changeset
|
2582 |
vm_exit_during_initialization(err_msg("Error in mapping Java heap at the given filesystem directory")); |
cfa2c43e58c2
8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents:
48005
diff
changeset
|
2583 |
} |
cfa2c43e58c2
8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents:
48005
diff
changeset
|
2584 |
} |
cfa2c43e58c2
8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents:
48005
diff
changeset
|
2585 |
return result; |
cfa2c43e58c2
8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents:
48005
diff
changeset
|
2586 |
} |
cfa2c43e58c2
8190308: Implementation: JEP 316: Heap Allocation on Alternative Memory Devices
kkharbas
parents:
48005
diff
changeset
|
2587 |
|
1 | 2588 |
// Reserve memory at an arbitrary address, only if that area is |
2589 |
// available (and not reserved for something else). |
|
2590 |
||
13195 | 2591 |
char* os::pd_attempt_reserve_memory_at(size_t bytes, char* requested_addr) { |
1 | 2592 |
const int max_tries = 10; |
2593 |
char* base[max_tries]; |
|
2594 |
size_t size[max_tries]; |
|
2595 |
||
2596 |
// Solaris adds a gap between mmap'ed regions. The size of the gap |
|
2597 |
// is dependent on the requested size and the MMU. Our initial gap |
|
2598 |
// value here is just a guess and will be corrected later. |
|
2599 |
bool had_top_overlap = false; |
|
2600 |
bool have_adjusted_gap = false; |
|
2601 |
size_t gap = 0x400000; |
|
2602 |
||
2603 |
// Assert only that the size is a multiple of the page size, since |
|
2604 |
// that's all that mmap requires, and since that's all we really know |
|
2605 |
// about at this low abstraction level. If we need higher alignment, |
|
2606 |
// we can either pass an alignment to this method or verify alignment |
|
2607 |
// in one of the methods further up the call chain. See bug 5044738. |
|
2608 |
assert(bytes % os::vm_page_size() == 0, "reserving unexpected size block"); |
|
2609 |
||
233
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2610 |
// Since snv_84, Solaris attempts to honor the address hint - see 5003415. |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2611 |
// Give it a try, if the kernel honors the hint we can return immediately. |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2612 |
char* addr = Solaris::anon_mmap(requested_addr, bytes, 0, false); |
14120
7d298141c258
7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents:
13975
diff
changeset
|
2613 |
|
233
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2614 |
volatile int err = errno; |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2615 |
if (addr == requested_addr) { |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2616 |
return addr; |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2617 |
} else if (addr != NULL) { |
14120
7d298141c258
7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents:
13975
diff
changeset
|
2618 |
pd_unmap_memory(addr, bytes); |
233
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2619 |
} |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2620 |
|
37430
fd743dadef12
8151939: VM_Version_init() print buffer is too small
coleenp
parents:
37118
diff
changeset
|
2621 |
if (log_is_enabled(Warning, os)) { |
233
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2622 |
char buf[256]; |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2623 |
buf[0] = '\0'; |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2624 |
if (addr == NULL) { |
37113 | 2625 |
jio_snprintf(buf, sizeof(buf), ": %s", os::strerror(err)); |
233
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2626 |
} |
37430
fd743dadef12
8151939: VM_Version_init() print buffer is too small
coleenp
parents:
37118
diff
changeset
|
2627 |
log_info(os)("attempt_reserve_memory_at: couldn't reserve " SIZE_FORMAT " bytes at " |
233
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2628 |
PTR_FORMAT ": reserve_memory_helper returned " PTR_FORMAT |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2629 |
"%s", bytes, requested_addr, addr, buf); |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2630 |
} |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2631 |
|
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2632 |
// Address hint method didn't work. Fall back to the old method. |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2633 |
// In theory, once SNV becomes our oldest supported platform, this |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2634 |
// code will no longer be needed. |
9f4505c94388
6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
sbohne
parents:
1
diff
changeset
|
2635 |
// |
1 | 2636 |
// Repeatedly allocate blocks until the block is allocated at the |
2637 |
// right spot. Give up after max_tries. |
|
2638 |
int i; |
|
2639 |
for (i = 0; i < max_tries; ++i) { |
|
2640 |
base[i] = reserve_memory(bytes); |
|
2641 |
||
2642 |
if (base[i] != NULL) { |
|
2643 |
// Is this the block we wanted? |
|
2644 |
if (base[i] == requested_addr) { |
|
2645 |
size[i] = bytes; |
|
2646 |
break; |
|
2647 |
} |
|
2648 |
||
2649 |
// check that the gap value is right |
|
2650 |
if (had_top_overlap && !have_adjusted_gap) { |
|
2651 |
size_t actual_gap = base[i-1] - base[i] - bytes; |
|
2652 |
if (gap != actual_gap) { |
|
2653 |
// adjust the gap value and retry the last 2 allocations |
|
2654 |
assert(i > 0, "gap adjustment code problem"); |
|
2655 |
have_adjusted_gap = true; // adjust the gap only once, just in case |
|
2656 |
gap = actual_gap; |
|
37430
fd743dadef12
8151939: VM_Version_init() print buffer is too small
coleenp
parents:
37118
diff
changeset
|
2657 |
log_info(os)("attempt_reserve_memory_at: adjusted gap to 0x%lx", gap); |
1 | 2658 |
unmap_memory(base[i], bytes); |
2659 |
unmap_memory(base[i-1], size[i-1]); |
|
2660 |
i-=2; |
|
2661 |
continue; |
|
2662 |
} |
|
2663 |
} |
|
2664 |
||
2665 |
// Does this overlap the block we wanted? Give back the overlapped |
|
2666 |
// parts and try again. |
|
2667 |
// |
|
2668 |
// There is still a bug in this code: if top_overlap == bytes, |
|
2669 |
// the overlap is offset from requested region by the value of gap. |
|
2670 |
// In this case giving back the overlapped part will not work, |
|
2671 |
// because we'll give back the entire block at base[i] and |
|
2672 |
// therefore the subsequent allocation will not generate a new gap. |
|
2673 |
// This could be fixed with a new algorithm that used larger |
|
2674 |
// or variable size chunks to find the requested region - |
|
2675 |
// but such a change would introduce additional complications. |
|
2676 |
// It's rare enough that the planets align for this bug, |
|
2677 |
// so we'll just wait for a fix for 6204603/5003415 which |
|
2678 |
// will provide a mmap flag to allow us to avoid this business. |
|
2679 |
||
2680 |
size_t top_overlap = requested_addr + (bytes + gap) - base[i]; |
|
2681 |
if (top_overlap >= 0 && top_overlap < bytes) { |
|
2682 |
had_top_overlap = true; |
|
2683 |
unmap_memory(base[i], top_overlap); |
|
2684 |
base[i] += top_overlap; |
|
2685 |
size[i] = bytes - top_overlap; |
|
2686 |
} else { |
|
2687 |
size_t bottom_overlap = base[i] + bytes - requested_addr; |
|
2688 |
if (bottom_overlap >= 0 && bottom_overlap < bytes) { |
|
37430
fd743dadef12
8151939: VM_Version_init() print buffer is too small
coleenp
parents:
37118
diff
changeset
|
2689 |
if (bottom_overlap == 0) { |
fd743dadef12
8151939: VM_Version_init() print buffer is too small
coleenp
parents:
37118
diff
changeset
|
2690 |
log_info(os)("attempt_reserve_memory_at: possible alignment bug"); |
1 | 2691 |
} |
2692 |
unmap_memory(requested_addr, bottom_overlap); |
|
2693 |
size[i] = bytes - bottom_overlap; |
|
2694 |
} else { |
|
2695 |
size[i] = bytes; |
|
2696 |
} |
|
2697 |
} |
|
2698 |
} |
|
2699 |
} |
|
2700 |
||
2701 |
// Give back the unused reserved pieces. |
|
2702 |
||
2703 |
for (int j = 0; j < i; ++j) { |
|
2704 |
if (base[j] != NULL) { |
|
2705 |
unmap_memory(base[j], size[j]); |
|
2706 |
} |
|
2707 |
} |
|
2708 |
||
2709 |
return (i < max_tries) ? requested_addr : NULL; |
|
2710 |
} |
|
2711 |
||
13195 | 2712 |
bool os::pd_release_memory(char* addr, size_t bytes) { |
1 | 2713 |
size_t size = bytes; |
2714 |
return munmap(addr, size) == 0; |
|
2715 |
} |
|
2716 |
||
2717 |
static bool solaris_mprotect(char* addr, size_t bytes, int prot) { |
|
46619
a3919f5e8d2b
8178499: Remove _ptr_ and _size_ infixes from align functions
stefank
parents:
46618
diff
changeset
|
2718 |
assert(addr == (char*)align_down((uintptr_t)addr, os::vm_page_size()), |
1 | 2719 |
"addr must be page aligned"); |
2720 |
int retVal = mprotect(addr, bytes, prot); |
|
2721 |
return retVal == 0; |
|
2722 |
} |
|
2723 |
||
823
9a5271881bc0
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
670
diff
changeset
|
2724 |
// Protect memory (Used to pass readonly pages through |
1 | 2725 |
// JNI GetArray<type>Elements with empty arrays.) |
1664
fc9ed50498fb
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents:
1615
diff
changeset
|
2726 |
// Also, used for serialization page and for compressed oops null pointer |
fc9ed50498fb
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents:
1615
diff
changeset
|
2727 |
// checking. |
823
9a5271881bc0
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
670
diff
changeset
|
2728 |
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
|
2729 |
bool is_committed) { |
9a5271881bc0
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
670
diff
changeset
|
2730 |
unsigned int p = 0; |
9a5271881bc0
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
670
diff
changeset
|
2731 |
switch (prot) { |
9a5271881bc0
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
670
diff
changeset
|
2732 |
case MEM_PROT_NONE: p = PROT_NONE; break; |
9a5271881bc0
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
670
diff
changeset
|
2733 |
case MEM_PROT_READ: p = PROT_READ; break; |
9a5271881bc0
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
670
diff
changeset
|
2734 |
case MEM_PROT_RW: p = PROT_READ|PROT_WRITE; break; |
9a5271881bc0
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
670
diff
changeset
|
2735 |
case MEM_PROT_RWX: p = PROT_READ|PROT_WRITE|PROT_EXEC; break; |
9a5271881bc0
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
670
diff
changeset
|
2736 |
default: |
9a5271881bc0
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
670
diff
changeset
|
2737 |
ShouldNotReachHere(); |
9a5271881bc0
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
670
diff
changeset
|
2738 |
} |
9a5271881bc0
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
670
diff
changeset
|
2739 |
// is_committed is unused. |
9a5271881bc0
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
670
diff
changeset
|
2740 |
return solaris_mprotect(addr, bytes, p); |
1 | 2741 |
} |
2742 |
||
2743 |
// guard_memory and unguard_memory only happens within stack guard pages. |
|
2744 |
// Since ISM pertains only to the heap, guard and unguard memory should not |
|
2745 |
/// happen with an ISM region. |
|
2746 |
bool os::guard_memory(char* addr, size_t bytes) { |
|
2747 |
return solaris_mprotect(addr, bytes, PROT_NONE); |
|
2748 |
} |
|
2749 |
||
2750 |
bool os::unguard_memory(char* addr, size_t bytes) { |
|
1664
fc9ed50498fb
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents:
1615
diff
changeset
|
2751 |
return solaris_mprotect(addr, bytes, PROT_READ|PROT_WRITE); |
1 | 2752 |
} |
2753 |
||
2754 |
// Large page support |
|
2755 |
static size_t _large_page_size = 0; |
|
2756 |
||
2757 |
// Insertion sort for small arrays (descending order). |
|
2758 |
static void insertion_sort_descending(size_t* array, int len) { |
|
2759 |
for (int i = 0; i < len; i++) { |
|
2760 |
size_t val = array[i]; |
|
2761 |
for (size_t key = i; key > 0 && array[key - 1] < val; --key) { |
|
2762 |
size_t tmp = array[key]; |
|
2763 |
array[key] = array[key - 1]; |
|
2764 |
array[key - 1] = tmp; |
|
2765 |
} |
|
2766 |
} |
|
2767 |
} |
|
2768 |
||
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2769 |
bool os::Solaris::mpss_sanity_check(bool warn, size_t* page_size) { |
1 | 2770 |
const unsigned int usable_count = VM_Version::page_size_count(); |
2771 |
if (usable_count == 1) { |
|
2772 |
return false; |
|
2773 |
} |
|
2774 |
||
10272 | 2775 |
// Find the right getpagesizes interface. When solaris 11 is the minimum |
2776 |
// build platform, getpagesizes() (without the '2') can be called directly. |
|
2777 |
typedef int (*gps_t)(size_t[], int); |
|
2778 |
gps_t gps_func = CAST_TO_FN_PTR(gps_t, dlsym(RTLD_DEFAULT, "getpagesizes2")); |
|
2779 |
if (gps_func == NULL) { |
|
2780 |
gps_func = CAST_TO_FN_PTR(gps_t, dlsym(RTLD_DEFAULT, "getpagesizes")); |
|
2781 |
if (gps_func == NULL) { |
|
2782 |
if (warn) { |
|
2783 |
warning("MPSS is not supported by the operating system."); |
|
2784 |
} |
|
2785 |
return false; |
|
2786 |
} |
|
2787 |
} |
|
2788 |
||
1 | 2789 |
// Fill the array of page sizes. |
10272 | 2790 |
int n = (*gps_func)(_page_sizes, page_sizes_max); |
1 | 2791 |
assert(n > 0, "Solaris bug?"); |
10272 | 2792 |
|
1 | 2793 |
if (n == page_sizes_max) { |
2794 |
// Add a sentinel value (necessary only if the array was completely filled |
|
2795 |
// since it is static (zeroed at initialization)). |
|
2796 |
_page_sizes[--n] = 0; |
|
2797 |
DEBUG_ONLY(warning("increase the size of the os::_page_sizes array.");) |
|
2798 |
} |
|
2799 |
assert(_page_sizes[n] == 0, "missing sentinel"); |
|
10272 | 2800 |
trace_page_sizes("available page sizes", _page_sizes, n); |
1 | 2801 |
|
2802 |
if (n == 1) return false; // Only one page size available. |
|
2803 |
||
2804 |
// Skip sizes larger than 4M (or LargePageSizeInBytes if it was set) and |
|
2805 |
// select up to usable_count elements. First sort the array, find the first |
|
2806 |
// acceptable value, then copy the usable sizes to the top of the array and |
|
2807 |
// trim the rest. Make sure to include the default page size :-). |
|
2808 |
// |
|
2809 |
// A better policy could get rid of the 4M limit by taking the sizes of the |
|
2810 |
// important VM memory regions (java heap and possibly the code cache) into |
|
2811 |
// account. |
|
2812 |
insertion_sort_descending(_page_sizes, n); |
|
2813 |
const size_t size_limit = |
|
2814 |
FLAG_IS_DEFAULT(LargePageSizeInBytes) ? 4 * M : LargePageSizeInBytes; |
|
2815 |
int beg; |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
2816 |
for (beg = 0; beg < n && _page_sizes[beg] > size_limit; ++beg) /* empty */; |
1 | 2817 |
const int end = MIN2((int)usable_count, n) - 1; |
2818 |
for (int cur = 0; cur < end; ++cur, ++beg) { |
|
2819 |
_page_sizes[cur] = _page_sizes[beg]; |
|
2820 |
} |
|
2821 |
_page_sizes[end] = vm_page_size(); |
|
2822 |
_page_sizes[end + 1] = 0; |
|
2823 |
||
2824 |
if (_page_sizes[end] > _page_sizes[end - 1]) { |
|
2825 |
// Default page size is not the smallest; sort again. |
|
2826 |
insertion_sort_descending(_page_sizes, end + 1); |
|
2827 |
} |
|
2828 |
*page_size = _page_sizes[0]; |
|
2829 |
||
10272 | 2830 |
trace_page_sizes("usable page sizes", _page_sizes, end + 1); |
1 | 2831 |
return true; |
2832 |
} |
|
2833 |
||
9419
f0360dfe734d
7040485: Use transparent huge page on linux by default
iveresov
parents:
9341
diff
changeset
|
2834 |
void os::large_page_init() { |
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2835 |
if (UseLargePages) { |
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2836 |
// print a warning if any large page related flag is specified on command line |
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2837 |
bool warn_on_failure = !FLAG_IS_DEFAULT(UseLargePages) || |
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2838 |
!FLAG_IS_DEFAULT(LargePageSizeInBytes); |
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2839 |
|
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2840 |
UseLargePages = Solaris::mpss_sanity_check(warn_on_failure, &_large_page_size); |
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2841 |
} |
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2842 |
} |
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2843 |
|
26697
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2844 |
bool os::Solaris::is_valid_page_size(size_t bytes) { |
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2845 |
for (int i = 0; _page_sizes[i] != 0; i++) { |
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2846 |
if (_page_sizes[i] == bytes) { |
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2847 |
return true; |
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2848 |
} |
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2849 |
} |
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2850 |
return false; |
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2851 |
} |
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2852 |
|
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2853 |
bool os::Solaris::setup_large_pages(caddr_t start, size_t bytes, size_t align) { |
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
32181
diff
changeset
|
2854 |
assert(is_valid_page_size(align), SIZE_FORMAT " is not a valid page size", align); |
46619
a3919f5e8d2b
8178499: Remove _ptr_ and _size_ infixes from align functions
stefank
parents:
46618
diff
changeset
|
2855 |
assert(is_aligned((void*) start, align), |
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
32181
diff
changeset
|
2856 |
PTR_FORMAT " is not aligned to " SIZE_FORMAT, p2i((void*) start), align); |
46619
a3919f5e8d2b
8178499: Remove _ptr_ and _size_ infixes from align functions
stefank
parents:
46618
diff
changeset
|
2857 |
assert(is_aligned(bytes, align), |
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
32181
diff
changeset
|
2858 |
SIZE_FORMAT " is not aligned to " SIZE_FORMAT, bytes, align); |
26697
85022e85f91d
8049536: os::commit_memory on Solaris uses aligment_hint as page size
ehelin
parents:
26693
diff
changeset
|
2859 |
|
1 | 2860 |
// Signal to OS that we want large pages for addresses |
2861 |
// from addr, addr + bytes |
|
2862 |
struct memcntl_mha mpss_struct; |
|
2863 |
mpss_struct.mha_cmd = MHA_MAPSIZE_VA; |
|
2864 |
mpss_struct.mha_pagesize = align; |
|
2865 |
mpss_struct.mha_flags = 0; |
|
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2866 |
// Upon successful completion, memcntl() returns 0 |
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2867 |
if (memcntl(start, bytes, MC_HAT_ADVISE, (caddr_t) &mpss_struct, 0, 0)) { |
1 | 2868 |
debug_only(warning("Attempt to use MPSS failed.")); |
2869 |
return false; |
|
2870 |
} |
|
2871 |
return true; |
|
2872 |
} |
|
2873 |
||
19546
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
18703
diff
changeset
|
2874 |
char* os::reserve_memory_special(size_t size, size_t alignment, char* addr, bool exec) { |
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2875 |
fatal("os::reserve_memory_special should not be called on Solaris."); |
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2876 |
return NULL; |
1 | 2877 |
} |
2878 |
||
2879 |
bool os::release_memory_special(char* base, size_t bytes) { |
|
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2880 |
fatal("os::release_memory_special should not be called on Solaris."); |
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2881 |
return false; |
1 | 2882 |
} |
2883 |
||
2884 |
size_t os::large_page_size() { |
|
2885 |
return _large_page_size; |
|
2886 |
} |
|
2887 |
||
2888 |
// MPSS allows application to commit large page memory on demand; with ISM |
|
2889 |
// the entire memory region must be allocated as shared memory. |
|
2890 |
bool os::can_commit_large_page_memory() { |
|
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2891 |
return true; |
1 | 2892 |
} |
2893 |
||
252
050143a0dbfb
6642862: Code cache allocation fails with large pages after 6588638
jcoomes
parents:
234
diff
changeset
|
2894 |
bool os::can_execute_large_page_memory() { |
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
2895 |
return true; |
252
050143a0dbfb
6642862: Code cache allocation fails with large pages after 6588638
jcoomes
parents:
234
diff
changeset
|
2896 |
} |
050143a0dbfb
6642862: Code cache allocation fails with large pages after 6588638
jcoomes
parents:
234
diff
changeset
|
2897 |
|
1 | 2898 |
// Read calls from inside the vm need to perform state transitions |
2899 |
size_t os::read(int fd, void *buf, unsigned int nBytes) { |
|
23443
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
2900 |
size_t res; |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
2901 |
JavaThread* thread = (JavaThread*)Thread::current(); |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
2902 |
assert(thread->thread_state() == _thread_in_vm, "Assumed _thread_in_vm"); |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
2903 |
ThreadBlockInVM tbiv(thread); |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
2904 |
RESTARTABLE(::read(fd, buf, (size_t) nBytes), res); |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
2905 |
return res; |
1 | 2906 |
} |
2907 |
||
27562 | 2908 |
size_t os::read_at(int fd, void *buf, unsigned int nBytes, jlong offset) { |
2909 |
size_t res; |
|
2910 |
JavaThread* thread = (JavaThread*)Thread::current(); |
|
2911 |
assert(thread->thread_state() == _thread_in_vm, "Assumed _thread_in_vm"); |
|
2912 |
ThreadBlockInVM tbiv(thread); |
|
2913 |
RESTARTABLE(::pread(fd, buf, (size_t) nBytes, offset), res); |
|
2914 |
return res; |
|
2915 |
} |
|
2916 |
||
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2917 |
size_t os::restartable_read(int fd, void *buf, unsigned int nBytes) { |
23443
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
2918 |
size_t res; |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
2919 |
assert(((JavaThread*)Thread::current())->thread_state() == _thread_in_native, |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
2920 |
"Assumed _thread_in_native"); |
23443
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
2921 |
RESTARTABLE(::read(fd, buf, (size_t) nBytes), res); |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
2922 |
return res; |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2923 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
2924 |
|
22533
76088853a2eb
8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents:
22528
diff
changeset
|
2925 |
void os::naked_short_sleep(jlong ms) { |
76088853a2eb
8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents:
22528
diff
changeset
|
2926 |
assert(ms < 1000, "Un-interruptable sleep, short time use only"); |
76088853a2eb
8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents:
22528
diff
changeset
|
2927 |
|
76088853a2eb
8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents:
22528
diff
changeset
|
2928 |
// usleep is deprecated and removed from POSIX, in favour of nanosleep, but |
76088853a2eb
8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents:
22528
diff
changeset
|
2929 |
// Solaris requires -lrt for this. |
76088853a2eb
8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents:
22528
diff
changeset
|
2930 |
usleep((ms * 1000)); |
76088853a2eb
8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents:
22528
diff
changeset
|
2931 |
|
76088853a2eb
8028280: ParkEvent leak when running modified runThese which only loads classes
dsimms
parents:
22528
diff
changeset
|
2932 |
return; |
1 | 2933 |
} |
2934 |
||
2935 |
// Sleep forever; naked call to OS-specific sleep; use with CAUTION |
|
2936 |
void os::infinite_sleep() { |
|
2937 |
while (true) { // sleep forever ... |
|
2938 |
::sleep(100); // ... 100 seconds at a time |
|
2939 |
} |
|
2940 |
} |
|
2941 |
||
2942 |
// Used to convert frequent JVM_Yield() to nops |
|
2943 |
bool os::dont_yield() { |
|
2944 |
if (DontYieldALot) { |
|
2945 |
static hrtime_t last_time = 0; |
|
2946 |
hrtime_t diff = getTimeNanos() - last_time; |
|
2947 |
||
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
2948 |
if (diff < DontYieldALotInterval * 1000000) { |
1 | 2949 |
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
|
2950 |
} |
1 | 2951 |
|
2952 |
last_time += diff; |
|
2953 |
||
2954 |
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
|
2955 |
} else { |
1 | 2956 |
return false; |
2957 |
} |
|
2958 |
} |
|
2959 |
||
2960 |
// Note that yield semantics are defined by the scheduling class to which |
|
2961 |
// the thread currently belongs. Typically, yield will _not yield to |
|
2962 |
// other equal or higher priority threads that reside on the dispatch queues |
|
2963 |
// of other CPUs. |
|
2964 |
||
25477
7dad9f95fd31
8047714: Fix for JDK-6546236 made Solaris os::yield() a no-op
fparain
parents:
25472
diff
changeset
|
2965 |
void os::naked_yield() { |
7dad9f95fd31
8047714: Fix for JDK-6546236 made Solaris os::yield() a no-op
fparain
parents:
25472
diff
changeset
|
2966 |
thr_yield(); |
7dad9f95fd31
8047714: Fix for JDK-6546236 made Solaris os::yield() a no-op
fparain
parents:
25472
diff
changeset
|
2967 |
} |
1 | 2968 |
|
43605
07baf498d588
8173421: Obsolete and expired flags for JDK 10 need to be removed and related tests updated
dholmes
parents:
42633
diff
changeset
|
2969 |
// Interface for setting lwp priorities. We are using T2 libthread, |
07baf498d588
8173421: Obsolete and expired flags for JDK 10 need to be removed and related tests updated
dholmes
parents:
42633
diff
changeset
|
2970 |
// which forces the use of bound threads, so all of our threads will |
07baf498d588
8173421: Obsolete and expired flags for JDK 10 need to be removed and related tests updated
dholmes
parents:
42633
diff
changeset
|
2971 |
// be assigned to real lwp's. Using the thr_setprio function is |
07baf498d588
8173421: Obsolete and expired flags for JDK 10 need to be removed and related tests updated
dholmes
parents:
42633
diff
changeset
|
2972 |
// meaningless in this mode so we must adjust the real lwp's priority. |
1 | 2973 |
// The routines below implement the getting and setting of lwp priorities. |
2974 |
// |
|
2975 |
// Note: There are three priority scales used on Solaris. Java priotities |
|
2976 |
// which range from 1 to 10, libthread "thr_setprio" scale which range |
|
2977 |
// from 0 to 127, and the current scheduling class of the process we |
|
2978 |
// are running in. This is typically from -60 to +60. |
|
2979 |
// The setting of the lwp priorities in done after a call to thr_setprio |
|
2980 |
// so Java priorities are mapped to libthread priorities and we map from |
|
2981 |
// the latter to lwp priorities. We don't keep priorities stored in |
|
2982 |
// Java priorities since some of our worker threads want to set priorities |
|
2983 |
// higher than all Java threads. |
|
2984 |
// |
|
2985 |
// For related information: |
|
2986 |
// (1) man -s 2 priocntl |
|
2987 |
// (2) man -s 4 priocntl |
|
2988 |
// (3) man dispadmin |
|
2989 |
// = librt.so |
|
2990 |
// = libthread/common/rtsched.c - thrp_setlwpprio(). |
|
2991 |
// = ps -cL <pid> ... to validate priority. |
|
2992 |
// = sched_get_priority_min and _max |
|
2993 |
// pthread_create |
|
2994 |
// sched_setparam |
|
2995 |
// pthread_setschedparam |
|
2996 |
// |
|
2997 |
// Assumptions: |
|
2998 |
// + We assume that all threads in the process belong to the same |
|
2999 |
// scheduling class. IE. an homogenous process. |
|
3000 |
// + Must be root or in IA group to change change "interactive" attribute. |
|
3001 |
// Priocntl() will fail silently. The only indication of failure is when |
|
3002 |
// we read-back the value and notice that it hasn't changed. |
|
3003 |
// + Interactive threads enter the runq at the head, non-interactive at the tail. |
|
3004 |
// + For RT, change timeslice as well. Invariant: |
|
3005 |
// constant "priority integral" |
|
3006 |
// Konst == TimeSlice * (60-Priority) |
|
3007 |
// Given a priority, compute appropriate timeslice. |
|
3008 |
// + Higher numerical values have higher priority. |
|
3009 |
||
3010 |
// sched class attributes |
|
3011 |
typedef struct { |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3012 |
int schedPolicy; // classID |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3013 |
int maxPrio; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3014 |
int minPrio; |
1 | 3015 |
} SchedInfo; |
3016 |
||
3017 |
||
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3018 |
static SchedInfo tsLimits, iaLimits, rtLimits, fxLimits; |
1 | 3019 |
|
3020 |
#ifdef ASSERT |
|
3021 |
static int ReadBackValidate = 1; |
|
3022 |
#endif |
|
3023 |
static int myClass = 0; |
|
3024 |
static int myMin = 0; |
|
3025 |
static int myMax = 0; |
|
3026 |
static int myCur = 0; |
|
3027 |
static bool priocntl_enable = false; |
|
3028 |
||
33744
8dd886109959
8141042: Typos and refactoring in Compiler constraints functions
ddmitriev
parents:
33732
diff
changeset
|
3029 |
static const int criticalPrio = FXCriticalPriority; |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3030 |
static int java_MaxPriority_to_os_priority = 0; // Saved mapping |
1 | 3031 |
|
3032 |
||
3033 |
// lwp_priocntl_init |
|
3034 |
// |
|
3035 |
// Try to determine the priority scale for our process. |
|
3036 |
// |
|
3037 |
// Return errno or 0 if OK. |
|
3038 |
// |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
3039 |
static int lwp_priocntl_init() { |
1 | 3040 |
int rslt; |
3041 |
pcinfo_t ClassInfo; |
|
3042 |
pcparms_t ParmInfo; |
|
3043 |
int i; |
|
3044 |
||
3045 |
if (!UseThreadPriorities) return 0; |
|
3046 |
||
23865 | 3047 |
// If ThreadPriorityPolicy is 1, switch tables |
3048 |
if (ThreadPriorityPolicy == 1) { |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
3049 |
for (i = 0; i < CriticalPriority+1; i++) |
1 | 3050 |
os::java_to_os_priority[i] = prio_policy1[i]; |
23865 | 3051 |
} |
3052 |
if (UseCriticalJavaThreadPriority) { |
|
3053 |
// MaxPriority always maps to the FX scheduling class and criticalPrio. |
|
3054 |
// See set_native_priority() and set_lwp_class_and_priority(). |
|
3055 |
// Save original MaxPriority mapping in case attempt to |
|
3056 |
// use critical priority fails. |
|
3057 |
java_MaxPriority_to_os_priority = os::java_to_os_priority[MaxPriority]; |
|
3058 |
// Set negative to distinguish from other priorities |
|
3059 |
os::java_to_os_priority[MaxPriority] = -criticalPrio; |
|
1 | 3060 |
} |
3061 |
||
3062 |
// Get IDs for a set of well-known scheduling classes. |
|
3063 |
// TODO-FIXME: GETCLINFO returns the current # of classes in the |
|
3064 |
// the system. We should have a loop that iterates over the |
|
3065 |
// classID values, which are known to be "small" integers. |
|
3066 |
||
3067 |
strcpy(ClassInfo.pc_clname, "TS"); |
|
3068 |
ClassInfo.pc_cid = -1; |
|
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
3069 |
rslt = priocntl(P_ALL, 0, PC_GETCID, (caddr_t)&ClassInfo); |
1 | 3070 |
if (rslt < 0) return errno; |
3071 |
assert(ClassInfo.pc_cid != -1, "cid for TS class is -1"); |
|
3072 |
tsLimits.schedPolicy = ClassInfo.pc_cid; |
|
3073 |
tsLimits.maxPrio = ((tsinfo_t*)ClassInfo.pc_clinfo)->ts_maxupri; |
|
3074 |
tsLimits.minPrio = -tsLimits.maxPrio; |
|
3075 |
||
3076 |
strcpy(ClassInfo.pc_clname, "IA"); |
|
3077 |
ClassInfo.pc_cid = -1; |
|
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
3078 |
rslt = priocntl(P_ALL, 0, PC_GETCID, (caddr_t)&ClassInfo); |
1 | 3079 |
if (rslt < 0) return errno; |
3080 |
assert(ClassInfo.pc_cid != -1, "cid for IA class is -1"); |
|
3081 |
iaLimits.schedPolicy = ClassInfo.pc_cid; |
|
3082 |
iaLimits.maxPrio = ((iainfo_t*)ClassInfo.pc_clinfo)->ia_maxupri; |
|
3083 |
iaLimits.minPrio = -iaLimits.maxPrio; |
|
3084 |
||
3085 |
strcpy(ClassInfo.pc_clname, "RT"); |
|
3086 |
ClassInfo.pc_cid = -1; |
|
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
3087 |
rslt = priocntl(P_ALL, 0, PC_GETCID, (caddr_t)&ClassInfo); |
1 | 3088 |
if (rslt < 0) return errno; |
3089 |
assert(ClassInfo.pc_cid != -1, "cid for RT class is -1"); |
|
3090 |
rtLimits.schedPolicy = ClassInfo.pc_cid; |
|
3091 |
rtLimits.maxPrio = ((rtinfo_t*)ClassInfo.pc_clinfo)->rt_maxpri; |
|
3092 |
rtLimits.minPrio = 0; |
|
3093 |
||
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3094 |
strcpy(ClassInfo.pc_clname, "FX"); |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3095 |
ClassInfo.pc_cid = -1; |
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
3096 |
rslt = priocntl(P_ALL, 0, PC_GETCID, (caddr_t)&ClassInfo); |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3097 |
if (rslt < 0) return errno; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3098 |
assert(ClassInfo.pc_cid != -1, "cid for FX class is -1"); |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3099 |
fxLimits.schedPolicy = ClassInfo.pc_cid; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3100 |
fxLimits.maxPrio = ((fxinfo_t*)ClassInfo.pc_clinfo)->fx_maxupri; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3101 |
fxLimits.minPrio = 0; |
1 | 3102 |
|
3103 |
// Query our "current" scheduling class. |
|
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3104 |
// This will normally be IA, TS or, rarely, FX or RT. |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3105 |
memset(&ParmInfo, 0, sizeof(ParmInfo)); |
1 | 3106 |
ParmInfo.pc_cid = PC_CLNULL; |
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
3107 |
rslt = priocntl(P_PID, P_MYID, PC_GETPARMS, (caddr_t)&ParmInfo); |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3108 |
if (rslt < 0) return errno; |
1 | 3109 |
myClass = ParmInfo.pc_cid; |
3110 |
||
3111 |
// We now know our scheduling classId, get specific information |
|
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3112 |
// about the class. |
1 | 3113 |
ClassInfo.pc_cid = myClass; |
3114 |
ClassInfo.pc_clname[0] = 0; |
|
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
3115 |
rslt = priocntl((idtype)0, 0, PC_GETCLINFO, (caddr_t)&ClassInfo); |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3116 |
if (rslt < 0) return errno; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3117 |
|
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3118 |
if (ThreadPriorityVerbose) { |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3119 |
tty->print_cr("lwp_priocntl_init: Class=%d(%s)...", myClass, ClassInfo.pc_clname); |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3120 |
} |
1 | 3121 |
|
3122 |
memset(&ParmInfo, 0, sizeof(pcparms_t)); |
|
3123 |
ParmInfo.pc_cid = PC_CLNULL; |
|
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
3124 |
rslt = priocntl(P_PID, P_MYID, PC_GETPARMS, (caddr_t)&ParmInfo); |
1 | 3125 |
if (rslt < 0) return errno; |
3126 |
||
3127 |
if (ParmInfo.pc_cid == rtLimits.schedPolicy) { |
|
3128 |
myMin = rtLimits.minPrio; |
|
3129 |
myMax = rtLimits.maxPrio; |
|
3130 |
} else if (ParmInfo.pc_cid == iaLimits.schedPolicy) { |
|
3131 |
iaparms_t *iaInfo = (iaparms_t*)ParmInfo.pc_clparms; |
|
3132 |
myMin = iaLimits.minPrio; |
|
3133 |
myMax = iaLimits.maxPrio; |
|
3134 |
myMax = MIN2(myMax, (int)iaInfo->ia_uprilim); // clamp - restrict |
|
3135 |
} else if (ParmInfo.pc_cid == tsLimits.schedPolicy) { |
|
3136 |
tsparms_t *tsInfo = (tsparms_t*)ParmInfo.pc_clparms; |
|
3137 |
myMin = tsLimits.minPrio; |
|
3138 |
myMax = tsLimits.maxPrio; |
|
3139 |
myMax = MIN2(myMax, (int)tsInfo->ts_uprilim); // clamp - restrict |
|
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3140 |
} else if (ParmInfo.pc_cid == fxLimits.schedPolicy) { |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3141 |
fxparms_t *fxInfo = (fxparms_t*)ParmInfo.pc_clparms; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3142 |
myMin = fxLimits.minPrio; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3143 |
myMax = fxLimits.maxPrio; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3144 |
myMax = MIN2(myMax, (int)fxInfo->fx_uprilim); // clamp - restrict |
1 | 3145 |
} else { |
3146 |
// No clue - punt |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3147 |
if (ThreadPriorityVerbose) { |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3148 |
tty->print_cr("Unknown scheduling class: %s ... \n", |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3149 |
ClassInfo.pc_clname); |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3150 |
} |
1 | 3151 |
return EINVAL; // no clue, punt |
3152 |
} |
|
3153 |
||
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3154 |
if (ThreadPriorityVerbose) { |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
3155 |
tty->print_cr("Thread priority Range: [%d..%d]\n", myMin, myMax); |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3156 |
} |
1 | 3157 |
|
3158 |
priocntl_enable = true; // Enable changing priorities |
|
3159 |
return 0; |
|
3160 |
} |
|
3161 |
||
3162 |
#define IAPRI(x) ((iaparms_t *)((x).pc_clparms)) |
|
3163 |
#define RTPRI(x) ((rtparms_t *)((x).pc_clparms)) |
|
3164 |
#define TSPRI(x) ((tsparms_t *)((x).pc_clparms)) |
|
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3165 |
#define FXPRI(x) ((fxparms_t *)((x).pc_clparms)) |
1 | 3166 |
|
3167 |
||
3168 |
// scale_to_lwp_priority |
|
3169 |
// |
|
3170 |
// Convert from the libthread "thr_setprio" scale to our current |
|
3171 |
// lwp scheduling class scale. |
|
3172 |
// |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3173 |
static int scale_to_lwp_priority(int rMin, int rMax, int x) { |
1 | 3174 |
int v; |
3175 |
||
3176 |
if (x == 127) return rMax; // avoid round-down |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3177 |
v = (((x*(rMax-rMin)))/128)+rMin; |
1 | 3178 |
return v; |
3179 |
} |
|
3180 |
||
3181 |
||
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3182 |
// set_lwp_class_and_priority |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3183 |
int set_lwp_class_and_priority(int ThreadID, int lwpid, |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3184 |
int newPrio, int new_class, bool scale) { |
1 | 3185 |
int rslt; |
3186 |
int Actual, Expected, prv; |
|
3187 |
pcparms_t ParmInfo; // for GET-SET |
|
3188 |
#ifdef ASSERT |
|
3189 |
pcparms_t ReadBack; // for readback |
|
3190 |
#endif |
|
3191 |
||
3192 |
// Set priority via PC_GETPARMS, update, PC_SETPARMS |
|
3193 |
// Query current values. |
|
3194 |
// TODO: accelerate this by eliminating the PC_GETPARMS call. |
|
3195 |
// Cache "pcparms_t" in global ParmCache. |
|
3196 |
// TODO: elide set-to-same-value |
|
3197 |
||
3198 |
// If something went wrong on init, don't change priorities. |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
3199 |
if (!priocntl_enable) { |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3200 |
if (ThreadPriorityVerbose) { |
1 | 3201 |
tty->print_cr("Trying to set priority but init failed, ignoring"); |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3202 |
} |
1 | 3203 |
return EINVAL; |
3204 |
} |
|
3205 |
||
3206 |
// If lwp hasn't started yet, just return |
|
3207 |
// the _start routine will call us again. |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
3208 |
if (lwpid <= 0) { |
1 | 3209 |
if (ThreadPriorityVerbose) { |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
3210 |
tty->print_cr("deferring the set_lwp_class_and_priority of thread " |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3211 |
INTPTR_FORMAT " to %d, lwpid not set", |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3212 |
ThreadID, newPrio); |
1 | 3213 |
} |
3214 |
return 0; |
|
3215 |
} |
|
3216 |
||
3217 |
if (ThreadPriorityVerbose) { |
|
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3218 |
tty->print_cr ("set_lwp_class_and_priority(" |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3219 |
INTPTR_FORMAT "@" INTPTR_FORMAT " %d) ", |
1 | 3220 |
ThreadID, lwpid, newPrio); |
3221 |
} |
|
3222 |
||
3223 |
memset(&ParmInfo, 0, sizeof(pcparms_t)); |
|
3224 |
ParmInfo.pc_cid = PC_CLNULL; |
|
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
3225 |
rslt = priocntl(P_LWPID, lwpid, PC_GETPARMS, (caddr_t)&ParmInfo); |
1 | 3226 |
if (rslt < 0) return errno; |
3227 |
||
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3228 |
int cur_class = ParmInfo.pc_cid; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3229 |
ParmInfo.pc_cid = (id_t)new_class; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3230 |
|
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3231 |
if (new_class == rtLimits.schedPolicy) { |
1 | 3232 |
rtparms_t *rtInfo = (rtparms_t*)ParmInfo.pc_clparms; |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3233 |
rtInfo->rt_pri = scale ? scale_to_lwp_priority(rtLimits.minPrio, |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3234 |
rtLimits.maxPrio, newPrio) |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3235 |
: newPrio; |
1 | 3236 |
rtInfo->rt_tqsecs = RT_NOCHANGE; |
3237 |
rtInfo->rt_tqnsecs = RT_NOCHANGE; |
|
3238 |
if (ThreadPriorityVerbose) { |
|
3239 |
tty->print_cr("RT: %d->%d\n", newPrio, rtInfo->rt_pri); |
|
3240 |
} |
|
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3241 |
} else if (new_class == iaLimits.schedPolicy) { |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3242 |
iaparms_t* iaInfo = (iaparms_t*)ParmInfo.pc_clparms; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3243 |
int maxClamped = MIN2(iaLimits.maxPrio, |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3244 |
cur_class == new_class |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3245 |
? (int)iaInfo->ia_uprilim : iaLimits.maxPrio); |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3246 |
iaInfo->ia_upri = scale ? scale_to_lwp_priority(iaLimits.minPrio, |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3247 |
maxClamped, newPrio) |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3248 |
: newPrio; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3249 |
iaInfo->ia_uprilim = cur_class == new_class |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3250 |
? IA_NOCHANGE : (pri_t)iaLimits.maxPrio; |
1 | 3251 |
iaInfo->ia_mode = IA_NOCHANGE; |
3252 |
if (ThreadPriorityVerbose) { |
|
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3253 |
tty->print_cr("IA: [%d...%d] %d->%d\n", |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3254 |
iaLimits.minPrio, maxClamped, newPrio, iaInfo->ia_upri); |
1 | 3255 |
} |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3256 |
} else if (new_class == tsLimits.schedPolicy) { |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3257 |
tsparms_t* tsInfo = (tsparms_t*)ParmInfo.pc_clparms; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3258 |
int maxClamped = MIN2(tsLimits.maxPrio, |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3259 |
cur_class == new_class |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3260 |
? (int)tsInfo->ts_uprilim : tsLimits.maxPrio); |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3261 |
tsInfo->ts_upri = scale ? scale_to_lwp_priority(tsLimits.minPrio, |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3262 |
maxClamped, newPrio) |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3263 |
: newPrio; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3264 |
tsInfo->ts_uprilim = cur_class == new_class |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3265 |
? TS_NOCHANGE : (pri_t)tsLimits.maxPrio; |
1 | 3266 |
if (ThreadPriorityVerbose) { |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3267 |
tty->print_cr("TS: [%d...%d] %d->%d\n", |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3268 |
tsLimits.minPrio, maxClamped, newPrio, tsInfo->ts_upri); |
1 | 3269 |
} |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3270 |
} else if (new_class == fxLimits.schedPolicy) { |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3271 |
fxparms_t* fxInfo = (fxparms_t*)ParmInfo.pc_clparms; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3272 |
int maxClamped = MIN2(fxLimits.maxPrio, |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3273 |
cur_class == new_class |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3274 |
? (int)fxInfo->fx_uprilim : fxLimits.maxPrio); |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3275 |
fxInfo->fx_upri = scale ? scale_to_lwp_priority(fxLimits.minPrio, |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3276 |
maxClamped, newPrio) |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3277 |
: newPrio; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3278 |
fxInfo->fx_uprilim = cur_class == new_class |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3279 |
? FX_NOCHANGE : (pri_t)fxLimits.maxPrio; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3280 |
fxInfo->fx_tqsecs = FX_NOCHANGE; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3281 |
fxInfo->fx_tqnsecs = FX_NOCHANGE; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3282 |
if (ThreadPriorityVerbose) { |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3283 |
tty->print_cr("FX: [%d...%d] %d->%d\n", |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3284 |
fxLimits.minPrio, maxClamped, newPrio, fxInfo->fx_upri); |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3285 |
} |
1 | 3286 |
} else { |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3287 |
if (ThreadPriorityVerbose) { |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3288 |
tty->print_cr("Unknown new scheduling class %d\n", new_class); |
1 | 3289 |
} |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3290 |
return EINVAL; // no clue, punt |
1 | 3291 |
} |
3292 |
||
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
3293 |
rslt = priocntl(P_LWPID, lwpid, PC_SETPARMS, (caddr_t)&ParmInfo); |
1 | 3294 |
if (ThreadPriorityVerbose && rslt) { |
3295 |
tty->print_cr ("PC_SETPARMS ->%d %d\n", rslt, errno); |
|
3296 |
} |
|
3297 |
if (rslt < 0) return errno; |
|
3298 |
||
3299 |
#ifdef ASSERT |
|
3300 |
// Sanity check: read back what we just attempted to set. |
|
3301 |
// In theory it could have changed in the interim ... |
|
3302 |
// |
|
3303 |
// The priocntl system call is tricky. |
|
3304 |
// Sometimes it'll validate the priority value argument and |
|
3305 |
// return EINVAL if unhappy. At other times it fails silently. |
|
3306 |
// Readbacks are prudent. |
|
3307 |
||
3308 |
if (!ReadBackValidate) return 0; |
|
3309 |
||
3310 |
memset(&ReadBack, 0, sizeof(pcparms_t)); |
|
3311 |
ReadBack.pc_cid = PC_CLNULL; |
|
18702
e6fa43c6d215
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
18086
diff
changeset
|
3312 |
rslt = priocntl(P_LWPID, lwpid, PC_GETPARMS, (caddr_t)&ReadBack); |
1 | 3313 |
assert(rslt >= 0, "priocntl failed"); |
3314 |
Actual = Expected = 0xBAD; |
|
3315 |
assert(ParmInfo.pc_cid == ReadBack.pc_cid, "cid's don't match"); |
|
3316 |
if (ParmInfo.pc_cid == rtLimits.schedPolicy) { |
|
3317 |
Actual = RTPRI(ReadBack)->rt_pri; |
|
3318 |
Expected = RTPRI(ParmInfo)->rt_pri; |
|
3319 |
} else if (ParmInfo.pc_cid == iaLimits.schedPolicy) { |
|
3320 |
Actual = IAPRI(ReadBack)->ia_upri; |
|
3321 |
Expected = IAPRI(ParmInfo)->ia_upri; |
|
3322 |
} else if (ParmInfo.pc_cid == tsLimits.schedPolicy) { |
|
3323 |
Actual = TSPRI(ReadBack)->ts_upri; |
|
3324 |
Expected = TSPRI(ParmInfo)->ts_upri; |
|
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3325 |
} else if (ParmInfo.pc_cid == fxLimits.schedPolicy) { |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3326 |
Actual = FXPRI(ReadBack)->fx_upri; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3327 |
Expected = FXPRI(ParmInfo)->fx_upri; |
1 | 3328 |
} else { |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3329 |
if (ThreadPriorityVerbose) { |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3330 |
tty->print_cr("set_lwp_class_and_priority: unexpected class in readback: %d\n", |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3331 |
ParmInfo.pc_cid); |
1 | 3332 |
} |
3333 |
} |
|
3334 |
||
3335 |
if (Actual != Expected) { |
|
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3336 |
if (ThreadPriorityVerbose) { |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3337 |
tty->print_cr ("set_lwp_class_and_priority(%d %d) Class=%d: actual=%d vs expected=%d\n", |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3338 |
lwpid, newPrio, ReadBack.pc_cid, Actual, Expected); |
1 | 3339 |
} |
3340 |
} |
|
3341 |
#endif |
|
3342 |
||
3343 |
return 0; |
|
3344 |
} |
|
3345 |
||
3346 |
// Solaris only gives access to 128 real priorities at a time, |
|
3347 |
// so we expand Java's ten to fill this range. This would be better |
|
3348 |
// if we dynamically adjusted relative priorities. |
|
3349 |
// |
|
3350 |
// The ThreadPriorityPolicy option allows us to select 2 different |
|
3351 |
// priority scales. |
|
3352 |
// |
|
3353 |
// ThreadPriorityPolicy=0 |
|
3354 |
// Since the Solaris' default priority is MaximumPriority, we do not |
|
3355 |
// set a priority lower than Max unless a priority lower than |
|
3356 |
// NormPriority is requested. |
|
3357 |
// |
|
3358 |
// ThreadPriorityPolicy=1 |
|
3359 |
// This mode causes the priority table to get filled with |
|
3360 |
// linear values. NormPriority get's mapped to 50% of the |
|
3361 |
// Maximum priority an so on. This will cause VM threads |
|
3362 |
// to get unfair treatment against other Solaris processes |
|
3363 |
// which do not explicitly alter their thread priorities. |
|
3364 |
||
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3365 |
int os::java_to_os_priority[CriticalPriority + 1] = { |
1 | 3366 |
-99999, // 0 Entry should never be used |
3367 |
||
3368 |
0, // 1 MinPriority |
|
3369 |
32, // 2 |
|
3370 |
64, // 3 |
|
3371 |
||
3372 |
96, // 4 |
|
3373 |
127, // 5 NormPriority |
|
3374 |
127, // 6 |
|
3375 |
||
3376 |
127, // 7 |
|
3377 |
127, // 8 |
|
3378 |
127, // 9 NearMaxPriority |
|
3379 |
||
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3380 |
127, // 10 MaxPriority |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3381 |
|
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3382 |
-criticalPrio // 11 CriticalPriority |
1 | 3383 |
}; |
3384 |
||
3385 |
OSReturn os::set_native_priority(Thread* thread, int newpri) { |
|
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3386 |
OSThread* osthread = thread->osthread(); |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3387 |
|
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3388 |
// Save requested priority in case the thread hasn't been started |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3389 |
osthread->set_native_priority(newpri); |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3390 |
|
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3391 |
// Check for critical priority request |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3392 |
bool fxcritical = false; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3393 |
if (newpri == -criticalPrio) { |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3394 |
fxcritical = true; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3395 |
newpri = criticalPrio; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3396 |
} |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3397 |
|
1 | 3398 |
assert(newpri >= MinimumPriority && newpri <= MaximumPriority, "bad priority mapping"); |
11601
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3399 |
if (!UseThreadPriorities) return OS_OK; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3400 |
|
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3401 |
int status = 0; |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3402 |
|
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3403 |
if (!fxcritical) { |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3404 |
// Use thr_setprio only if we have a priority that thr_setprio understands |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3405 |
status = thr_setprio(thread->osthread()->thread_id(), newpri); |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3406 |
} |
f359304c1856
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
11483
diff
changeset
|
3407 |
|
23865 | 3408 |
int lwp_status = |
3409 |
set_lwp_class_and_priority(osthread->thread_id(), |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3410 |
osthread->lwp_id(), |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3411 |
newpri, |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3412 |
fxcritical ? fxLimits.schedPolicy : myClass, |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3413 |
!fxcritical); |
23865 | 3414 |
if (lwp_status != 0 && fxcritical) { |
3415 |
// Try again, this time without changing the scheduling class |
|
3416 |
newpri = java_MaxPriority_to_os_priority; |
|
3417 |
lwp_status = set_lwp_class_and_priority(osthread->thread_id(), |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3418 |
osthread->lwp_id(), |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3419 |
newpri, myClass, false); |
23865 | 3420 |
} |
3421 |
status |= lwp_status; |
|
1 | 3422 |
return (status == 0) ? OS_OK : OS_ERR; |
3423 |
} |
|
3424 |
||
3425 |
||
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3426 |
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
|
3427 |
int *priority_ptr) { |
1 | 3428 |
int p; |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
3429 |
if (!UseThreadPriorities) { |
1 | 3430 |
*priority_ptr = NormalPriority; |
3431 |
return OS_OK; |
|
3432 |
} |
|
3433 |
int status = thr_getprio(thread->osthread()->thread_id(), &p); |
|
3434 |
if (status != 0) { |
|
3435 |
return OS_ERR; |
|
3436 |
} |
|
3437 |
*priority_ptr = p; |
|
3438 |
return OS_OK; |
|
3439 |
} |
|
3440 |
||
3441 |
||
3442 |
// Hint to the underlying OS that a task switch would not be good. |
|
3443 |
// Void return because it's a hint and can fail. |
|
3444 |
void os::hint_no_preempt() { |
|
3445 |
schedctl_start(schedctl_init()); |
|
3446 |
} |
|
3447 |
||
47106 | 3448 |
//////////////////////////////////////////////////////////////////////////////// |
3449 |
// suspend/resume support |
|
3450 |
||
3451 |
// The low-level signal-based suspend/resume support is a remnant from the |
|
3452 |
// old VM-suspension that used to be for java-suspension, safepoints etc, |
|
3453 |
// within hotspot. Currently used by JFR's OSThreadSampler |
|
3454 |
// |
|
3455 |
// The remaining code is greatly simplified from the more general suspension |
|
3456 |
// code that used to be used. |
|
3457 |
// |
|
3458 |
// The protocol is quite simple: |
|
3459 |
// - suspend: |
|
3460 |
// - sends a signal to the target thread |
|
3461 |
// - polls the suspend state of the osthread using a yield loop |
|
3462 |
// - target thread signal handler (SR_handler) sets suspend state |
|
3463 |
// and blocks in sigsuspend until continued |
|
3464 |
// - resume: |
|
3465 |
// - sets target osthread state to continue |
|
3466 |
// - sends signal to end the sigsuspend loop in the SR_handler |
|
3467 |
// |
|
3468 |
// Note that the SR_lock plays no role in this suspend/resume protocol, |
|
3469 |
// but is checked for NULL in SR_handler as a thread termination indicator. |
|
3470 |
// The SR_lock is, however, used by JavaThread::java_suspend()/java_resume() APIs. |
|
3471 |
// |
|
3472 |
// Note that resume_clear_context() and suspend_save_context() are needed |
|
3473 |
// by SR_handler(), so that fetch_frame_from_ucontext() works, |
|
3474 |
// which in part is used by: |
|
3475 |
// - Forte Analyzer: AsyncGetCallTrace() |
|
3476 |
// - StackBanging: get_frame_at_stack_banging_point() |
|
3477 |
// - JFR: get_topframe()-->....-->get_valid_uc_in_signal_handler() |
|
3478 |
||
18025 | 3479 |
static void resume_clear_context(OSThread *osthread) { |
3480 |
osthread->set_ucontext(NULL); |
|
3481 |
} |
|
3482 |
||
3483 |
static void suspend_save_context(OSThread *osthread, ucontext_t* context) { |
|
3484 |
osthread->set_ucontext(context); |
|
3485 |
} |
|
3486 |
||
31610 | 3487 |
static PosixSemaphore sr_semaphore; |
18025 | 3488 |
|
47106 | 3489 |
void os::Solaris::SR_handler(Thread* thread, ucontext_t* context) { |
18025 | 3490 |
// Save and restore errno to avoid confusing native code with EINTR |
3491 |
// after sigsuspend. |
|
3492 |
int old_errno = errno; |
|
3493 |
||
3494 |
OSThread* osthread = thread->osthread(); |
|
3495 |
assert(thread->is_VM_thread() || thread->is_Java_thread(), "Must be VMThread or JavaThread"); |
|
3496 |
||
3497 |
os::SuspendResume::State current = osthread->sr.state(); |
|
3498 |
if (current == os::SuspendResume::SR_SUSPEND_REQUEST) { |
|
47106 | 3499 |
suspend_save_context(osthread, context); |
18025 | 3500 |
|
3501 |
// attempt to switch the state, we assume we had a SUSPEND_REQUEST |
|
3502 |
os::SuspendResume::State state = osthread->sr.suspended(); |
|
3503 |
if (state == os::SuspendResume::SR_SUSPENDED) { |
|
3504 |
sigset_t suspend_set; // signals for sigsuspend() |
|
3505 |
||
3506 |
// get current set of blocked signals and unblock resume signal |
|
35501
e0450beb58bf
8143558: evaluate if thr_sigsetmask can be removed from hotspot (solaris) codebase
sebastian
parents:
35201
diff
changeset
|
3507 |
pthread_sigmask(SIG_BLOCK, NULL, &suspend_set); |
46337
307e52ec20cd
8175817: Clean up Solaris signal code: SIGUSR2, SIGasync, SIGJVM1/2
dholmes
parents:
46331
diff
changeset
|
3508 |
sigdelset(&suspend_set, ASYNC_SIGNAL); |
18025 | 3509 |
|
3510 |
sr_semaphore.signal(); |
|
3511 |
// wait here until we are resumed |
|
3512 |
while (1) { |
|
3513 |
sigsuspend(&suspend_set); |
|
3514 |
||
3515 |
os::SuspendResume::State result = osthread->sr.running(); |
|
3516 |
if (result == os::SuspendResume::SR_RUNNING) { |
|
3517 |
sr_semaphore.signal(); |
|
3518 |
break; |
|
3519 |
} |
|
3520 |
} |
|
3521 |
||
3522 |
} else if (state == os::SuspendResume::SR_RUNNING) { |
|
3523 |
// request was cancelled, continue |
|
3524 |
} else { |
|
3525 |
ShouldNotReachHere(); |
|
3526 |
} |
|
3527 |
||
3528 |
resume_clear_context(osthread); |
|
3529 |
} else if (current == os::SuspendResume::SR_RUNNING) { |
|
3530 |
// request was cancelled, continue |
|
3531 |
} else if (current == os::SuspendResume::SR_WAKEUP_REQUEST) { |
|
3532 |
// ignore |
|
3533 |
} else { |
|
3534 |
// ignore |
|
3535 |
} |
|
3536 |
||
3537 |
errno = old_errno; |
|
3538 |
} |
|
3539 |
||
1 | 3540 |
void os::print_statistics() { |
3541 |
} |
|
3542 |
||
34305
e399e6b44631
8136978: Much nearly duplicated code for vmError support
sebastian
parents:
34142
diff
changeset
|
3543 |
bool os::message_box(const char* title, const char* message) { |
1 | 3544 |
int i; |
3545 |
fdStream err(defaultStream::error_fd()); |
|
3546 |
for (i = 0; i < 78; i++) err.print_raw("="); |
|
3547 |
err.cr(); |
|
3548 |
err.print_raw_cr(title); |
|
3549 |
for (i = 0; i < 78; i++) err.print_raw("-"); |
|
3550 |
err.cr(); |
|
3551 |
err.print_raw_cr(message); |
|
3552 |
for (i = 0; i < 78; i++) err.print_raw("="); |
|
3553 |
err.cr(); |
|
3554 |
||
3555 |
char buf[16]; |
|
3556 |
// Prevent process from exiting upon "read error" without consuming all CPU |
|
3557 |
while (::read(0, buf, sizeof(buf)) <= 0) { ::sleep(100); } |
|
3558 |
||
3559 |
return buf[0] == 'y' || buf[0] == 'Y'; |
|
3560 |
} |
|
3561 |
||
18025 | 3562 |
static int sr_notify(OSThread* osthread) { |
46337
307e52ec20cd
8175817: Clean up Solaris signal code: SIGUSR2, SIGasync, SIGJVM1/2
dholmes
parents:
46331
diff
changeset
|
3563 |
int status = thr_kill(osthread->thread_id(), ASYNC_SIGNAL); |
18025 | 3564 |
assert_status(status == 0, status, "thr_kill"); |
3565 |
return status; |
|
3566 |
} |
|
3567 |
||
3568 |
// "Randomly" selected value for how long we want to spin |
|
3569 |
// before bailing out on suspending a thread, also how often |
|
3570 |
// we send a signal to a thread we want to resume |
|
3571 |
static const int RANDOMLY_LARGE_INTEGER = 1000000; |
|
3572 |
static const int RANDOMLY_LARGE_INTEGER2 = 100; |
|
3573 |
||
3574 |
static bool do_suspend(OSThread* osthread) { |
|
3575 |
assert(osthread->sr.is_running(), "thread should be running"); |
|
3576 |
assert(!sr_semaphore.trywait(), "semaphore has invalid state"); |
|
3577 |
||
3578 |
// mark as suspended and send signal |
|
3579 |
if (osthread->sr.request_suspend() != os::SuspendResume::SR_SUSPEND_REQUEST) { |
|
3580 |
// failed to switch, state wasn't running? |
|
3581 |
ShouldNotReachHere(); |
|
3582 |
return false; |
|
3583 |
} |
|
3584 |
||
3585 |
if (sr_notify(osthread) != 0) { |
|
3586 |
ShouldNotReachHere(); |
|
3587 |
} |
|
3588 |
||
3589 |
// managed to send the signal and switch to SUSPEND_REQUEST, now wait for SUSPENDED |
|
3590 |
while (true) { |
|
48635
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
3591 |
if (sr_semaphore.timedwait(create_semaphore_timespec(0, 2000 * NANOSECS_PER_MILLISEC))) { |
18025 | 3592 |
break; |
3593 |
} else { |
|
3594 |
// timeout |
|
3595 |
os::SuspendResume::State cancelled = osthread->sr.cancel_suspend(); |
|
3596 |
if (cancelled == os::SuspendResume::SR_RUNNING) { |
|
3597 |
return false; |
|
3598 |
} else if (cancelled == os::SuspendResume::SR_SUSPENDED) { |
|
3599 |
// make sure that we consume the signal on the semaphore as well |
|
3600 |
sr_semaphore.wait(); |
|
3601 |
break; |
|
3602 |
} else { |
|
3603 |
ShouldNotReachHere(); |
|
3604 |
return false; |
|
3605 |
} |
|
3606 |
} |
|
3607 |
} |
|
3608 |
||
3609 |
guarantee(osthread->sr.is_suspended(), "Must be suspended"); |
|
3610 |
return true; |
|
3611 |
} |
|
3612 |
||
3613 |
static void do_resume(OSThread* osthread) { |
|
3614 |
assert(osthread->sr.is_suspended(), "thread should be suspended"); |
|
3615 |
assert(!sr_semaphore.trywait(), "invalid semaphore state"); |
|
3616 |
||
3617 |
if (osthread->sr.request_wakeup() != os::SuspendResume::SR_WAKEUP_REQUEST) { |
|
3618 |
// failed to switch to WAKEUP_REQUEST |
|
3619 |
ShouldNotReachHere(); |
|
3620 |
return; |
|
3621 |
} |
|
3622 |
||
3623 |
while (true) { |
|
3624 |
if (sr_notify(osthread) == 0) { |
|
48635
612dfa1d8aad
8130039: Move the platform-specific [OS]Semaphore code
coleenp
parents:
48153
diff
changeset
|
3625 |
if (sr_semaphore.timedwait(create_semaphore_timespec(0, 2 * NANOSECS_PER_MILLISEC))) { |
18025 | 3626 |
if (osthread->sr.is_running()) { |
3627 |
return; |
|
3628 |
} |
|
3629 |
} |
|
3630 |
} else { |
|
3631 |
ShouldNotReachHere(); |
|
3632 |
} |
|
3633 |
} |
|
3634 |
||
3635 |
guarantee(osthread->sr.is_running(), "Must be running!"); |
|
3636 |
} |
|
3637 |
||
3638 |
void os::SuspendedThreadTask::internal_do_task() { |
|
3639 |
if (do_suspend(_thread->osthread())) { |
|
3640 |
SuspendedThreadTaskContext context(_thread, _thread->osthread()->ucontext()); |
|
3641 |
do_task(context); |
|
3642 |
do_resume(_thread->osthread()); |
|
3643 |
} |
|
3644 |
} |
|
3645 |
||
1 | 3646 |
// This does not do anything on Solaris. This is basically a hook for being |
3647 |
// able to use structured exception handling (thread-local exception filters) on, e.g., Win32. |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3648 |
void os::os_exception_wrapper(java_call_t f, JavaValue* value, |
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33105
diff
changeset
|
3649 |
const methodHandle& method, JavaCallArguments* args, |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3650 |
Thread* thread) { |
1 | 3651 |
f(value, method, args, thread); |
3652 |
} |
|
3653 |
||
3654 |
// This routine may be used by user applications as a "hook" to catch signals. |
|
3655 |
// The user-defined signal handler must pass unrecognized signals to this |
|
3656 |
// routine, and if it returns true (non-zero), then the signal handler must |
|
3657 |
// return immediately. If the flag "abort_if_unrecognized" is true, then this |
|
3658 |
// routine will never retun false (zero), but instead will execute a VM panic |
|
3659 |
// routine kill the process. |
|
3660 |
// |
|
3661 |
// If this routine returns false, it is OK to call it again. This allows |
|
3662 |
// the user-defined signal handler to perform checks either before or after |
|
3663 |
// the VM performs its own checks. Naturally, the user code would be making |
|
3664 |
// a serious error if it tried to handle an exception (such as a null check |
|
3665 |
// or breakpoint) that the VM was generating for its own correct operation. |
|
3666 |
// |
|
3667 |
// This routine may recognize any of the following kinds of signals: |
|
3668 |
// SIGBUS, SIGSEGV, SIGILL, SIGFPE, BREAK_SIGNAL, SIGPIPE, SIGXFSZ, |
|
46337
307e52ec20cd
8175817: Clean up Solaris signal code: SIGUSR2, SIGasync, SIGJVM1/2
dholmes
parents:
46331
diff
changeset
|
3669 |
// ASYNC_SIGNAL. |
1 | 3670 |
// It should be consulted by handlers for any of those signals. |
3671 |
// |
|
3672 |
// The caller of this routine must pass in the three arguments supplied |
|
3673 |
// to the function referred to in the "sa_sigaction" (not the "sa_handler") |
|
3674 |
// field of the structure passed to sigaction(). This routine assumes that |
|
3675 |
// the sa_flags field passed to sigaction() includes SA_SIGINFO and SA_RESTART. |
|
3676 |
// |
|
3677 |
// Note that the VM will print warnings if it detects conflicting signal |
|
3678 |
// handlers, unless invoked with the option "-XX:+AllowUserSignalHandlers". |
|
3679 |
// |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3680 |
extern "C" JNIEXPORT int JVM_handle_solaris_signal(int signo, |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3681 |
siginfo_t* siginfo, |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3682 |
void* ucontext, |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3683 |
int abort_if_unrecognized); |
1 | 3684 |
|
3685 |
||
3686 |
void signalHandler(int sig, siginfo_t* info, void* ucVoid) { |
|
15743
f708934a12e7
6749267: Signal handler should save/restore errno
hseigel
parents:
15742
diff
changeset
|
3687 |
int orig_errno = errno; // Preserve errno value over signal handler. |
1 | 3688 |
JVM_handle_solaris_signal(sig, info, ucVoid, true); |
15743
f708934a12e7
6749267: Signal handler should save/restore errno
hseigel
parents:
15742
diff
changeset
|
3689 |
errno = orig_errno; |
1 | 3690 |
} |
3691 |
||
3692 |
// This boolean allows users to forward their own non-matching signals |
|
3693 |
// to JVM_handle_solaris_signal, harmlessly. |
|
3694 |
bool os::Solaris::signal_handlers_are_installed = false; |
|
3695 |
||
3696 |
// For signal-chaining |
|
3697 |
bool os::Solaris::libjsig_is_loaded = false; |
|
3698 |
typedef struct sigaction *(*get_signal_t)(int); |
|
3699 |
get_signal_t os::Solaris::get_signal_action = NULL; |
|
3700 |
||
3701 |
struct sigaction* os::Solaris::get_chained_signal_action(int sig) { |
|
3702 |
struct sigaction *actp = NULL; |
|
3703 |
||
46337
307e52ec20cd
8175817: Clean up Solaris signal code: SIGUSR2, SIGasync, SIGJVM1/2
dholmes
parents:
46331
diff
changeset
|
3704 |
if ((libjsig_is_loaded) && (sig <= Maxsignum)) { |
1 | 3705 |
// Retrieve the old signal handler from libjsig |
3706 |
actp = (*get_signal_action)(sig); |
|
3707 |
} |
|
3708 |
if (actp == NULL) { |
|
3709 |
// Retrieve the preinstalled signal handler from jvm |
|
3710 |
actp = get_preinstalled_handler(sig); |
|
3711 |
} |
|
3712 |
||
3713 |
return actp; |
|
3714 |
} |
|
3715 |
||
3716 |
static bool call_chained_handler(struct sigaction *actp, int sig, |
|
3717 |
siginfo_t *siginfo, void *context) { |
|
3718 |
// Call the old signal handler |
|
3719 |
if (actp->sa_handler == SIG_DFL) { |
|
3720 |
// It's more reasonable to let jvm treat it as an unexpected exception |
|
3721 |
// instead of taking the default action. |
|
3722 |
return false; |
|
3723 |
} else if (actp->sa_handler != SIG_IGN) { |
|
3724 |
if ((actp->sa_flags & SA_NODEFER) == 0) { |
|
3725 |
// automaticlly block the signal |
|
3726 |
sigaddset(&(actp->sa_mask), sig); |
|
3727 |
} |
|
3728 |
||
3729 |
sa_handler_t hand; |
|
3730 |
sa_sigaction_t sa; |
|
3731 |
bool siginfo_flag_set = (actp->sa_flags & SA_SIGINFO) != 0; |
|
3732 |
// retrieve the chained handler |
|
3733 |
if (siginfo_flag_set) { |
|
3734 |
sa = actp->sa_sigaction; |
|
3735 |
} else { |
|
3736 |
hand = actp->sa_handler; |
|
3737 |
} |
|
3738 |
||
3739 |
if ((actp->sa_flags & SA_RESETHAND) != 0) { |
|
3740 |
actp->sa_handler = SIG_DFL; |
|
3741 |
} |
|
3742 |
||
3743 |
// try to honor the signal mask |
|
3744 |
sigset_t oset; |
|
35501
e0450beb58bf
8143558: evaluate if thr_sigsetmask can be removed from hotspot (solaris) codebase
sebastian
parents:
35201
diff
changeset
|
3745 |
pthread_sigmask(SIG_SETMASK, &(actp->sa_mask), &oset); |
1 | 3746 |
|
3747 |
// call into the chained handler |
|
3748 |
if (siginfo_flag_set) { |
|
3749 |
(*sa)(sig, siginfo, context); |
|
3750 |
} else { |
|
3751 |
(*hand)(sig); |
|
3752 |
} |
|
3753 |
||
3754 |
// restore the signal mask |
|
35501
e0450beb58bf
8143558: evaluate if thr_sigsetmask can be removed from hotspot (solaris) codebase
sebastian
parents:
35201
diff
changeset
|
3755 |
pthread_sigmask(SIG_SETMASK, &oset, 0); |
1 | 3756 |
} |
3757 |
// Tell jvm's signal handler the signal is taken care of. |
|
3758 |
return true; |
|
3759 |
} |
|
3760 |
||
3761 |
bool os::Solaris::chained_handler(int sig, siginfo_t* siginfo, void* context) { |
|
3762 |
bool chained = false; |
|
3763 |
// signal-chaining |
|
3764 |
if (UseSignalChaining) { |
|
3765 |
struct sigaction *actp = get_chained_signal_action(sig); |
|
3766 |
if (actp != NULL) { |
|
3767 |
chained = call_chained_handler(actp, sig, siginfo, context); |
|
3768 |
} |
|
3769 |
} |
|
3770 |
return chained; |
|
3771 |
} |
|
3772 |
||
3773 |
struct sigaction* os::Solaris::get_preinstalled_handler(int sig) { |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3774 |
assert((chainedsigactions != (struct sigaction *)NULL) && |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3775 |
(preinstalled_sigs != (int *)NULL), "signals not yet initialized"); |
1 | 3776 |
if (preinstalled_sigs[sig] != 0) { |
3777 |
return &chainedsigactions[sig]; |
|
3778 |
} |
|
3779 |
return NULL; |
|
3780 |
} |
|
3781 |
||
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3782 |
void os::Solaris::save_preinstalled_handler(int sig, |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3783 |
struct sigaction& oldAct) { |
1 | 3784 |
assert(sig > 0 && sig <= Maxsignum, "vm signal out of expected range"); |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3785 |
assert((chainedsigactions != (struct sigaction *)NULL) && |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3786 |
(preinstalled_sigs != (int *)NULL), "signals not yet initialized"); |
1 | 3787 |
chainedsigactions[sig] = oldAct; |
3788 |
preinstalled_sigs[sig] = 1; |
|
3789 |
} |
|
3790 |
||
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3791 |
void os::Solaris::set_signal_handler(int sig, bool set_installed, |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3792 |
bool oktochain) { |
1 | 3793 |
// Check for overwrite. |
3794 |
struct sigaction oldAct; |
|
3795 |
sigaction(sig, (struct sigaction*)NULL, &oldAct); |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3796 |
void* oldhand = |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3797 |
oldAct.sa_sigaction ? CAST_FROM_FN_PTR(void*, oldAct.sa_sigaction) |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3798 |
: CAST_FROM_FN_PTR(void*, oldAct.sa_handler); |
1 | 3799 |
if (oldhand != CAST_FROM_FN_PTR(void*, SIG_DFL) && |
3800 |
oldhand != CAST_FROM_FN_PTR(void*, SIG_IGN) && |
|
3801 |
oldhand != CAST_FROM_FN_PTR(void*, signalHandler)) { |
|
3802 |
if (AllowUserSignalHandlers || !set_installed) { |
|
3803 |
// Do not overwrite; user takes responsibility to forward to us. |
|
3804 |
return; |
|
3805 |
} else if (UseSignalChaining) { |
|
3806 |
if (oktochain) { |
|
3807 |
// save the old handler in jvm |
|
3808 |
save_preinstalled_handler(sig, oldAct); |
|
3809 |
} else { |
|
34142 | 3810 |
vm_exit_during_initialization("Signal chaining not allowed for VM interrupt signal."); |
1 | 3811 |
} |
3812 |
// libjsig also interposes the sigaction() call below and saves the |
|
3813 |
// old sigaction on it own. |
|
3814 |
} else { |
|
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
32181
diff
changeset
|
3815 |
fatal("Encountered unexpected pre-existing sigaction handler " |
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
32181
diff
changeset
|
3816 |
"%#lx for signal %d.", (long)oldhand, sig); |
1 | 3817 |
} |
3818 |
} |
|
3819 |
||
3820 |
struct sigaction sigAct; |
|
3821 |
sigfillset(&(sigAct.sa_mask)); |
|
3822 |
sigAct.sa_handler = SIG_DFL; |
|
3823 |
||
3824 |
sigAct.sa_sigaction = signalHandler; |
|
3825 |
// Handle SIGSEGV on alternate signal stack if |
|
3826 |
// not using stack banging |
|
3827 |
if (!UseStackBanging && sig == SIGSEGV) { |
|
3828 |
sigAct.sa_flags = SA_SIGINFO | SA_RESTART | SA_ONSTACK; |
|
3829 |
} else { |
|
3830 |
sigAct.sa_flags = SA_SIGINFO | SA_RESTART; |
|
3831 |
} |
|
3832 |
os::Solaris::set_our_sigflags(sig, sigAct.sa_flags); |
|
3833 |
||
3834 |
sigaction(sig, &sigAct, &oldAct); |
|
3835 |
||
3836 |
void* oldhand2 = oldAct.sa_sigaction ? CAST_FROM_FN_PTR(void*, oldAct.sa_sigaction) |
|
3837 |
: CAST_FROM_FN_PTR(void*, oldAct.sa_handler); |
|
3838 |
assert(oldhand2 == oldhand, "no concurrent signal handler installation"); |
|
3839 |
} |
|
3840 |
||
3841 |
||
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3842 |
#define DO_SIGNAL_CHECK(sig) \ |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3843 |
do { \ |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3844 |
if (!sigismember(&check_signal_done, sig)) { \ |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3845 |
os::Solaris::check_signal_handler(sig); \ |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3846 |
} \ |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
3847 |
} while (0) |
1 | 3848 |
|
3849 |
// This method is a periodic task to check for misbehaving JNI applications |
|
3850 |
// under CheckJNI, we can add any periodic checks here |
|
3851 |
||
3852 |
void os::run_periodic_checks() { |
|
3853 |
// A big source of grief is hijacking virt. addr 0x0 on Solaris, |
|
3854 |
// thereby preventing a NULL checks. |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
3855 |
if (!check_addr0_done) check_addr0_done = check_addr0(tty); |
1 | 3856 |
|
3857 |
if (check_signals == false) return; |
|
3858 |
||
3859 |
// SEGV and BUS if overridden could potentially prevent |
|
3860 |
// generation of hs*.log in the event of a crash, debugging |
|
3861 |
// such a case can be very challenging, so we absolutely |
|
3862 |
// check for the following for a good measure: |
|
3863 |
DO_SIGNAL_CHECK(SIGSEGV); |
|
3864 |
DO_SIGNAL_CHECK(SIGILL); |
|
3865 |
DO_SIGNAL_CHECK(SIGFPE); |
|
3866 |
DO_SIGNAL_CHECK(SIGBUS); |
|
3867 |
DO_SIGNAL_CHECK(SIGPIPE); |
|
3868 |
DO_SIGNAL_CHECK(SIGXFSZ); |
|
46337
307e52ec20cd
8175817: Clean up Solaris signal code: SIGUSR2, SIGasync, SIGJVM1/2
dholmes
parents:
46331
diff
changeset
|
3869 |
DO_SIGNAL_CHECK(ASYNC_SIGNAL); |
1 | 3870 |
|
3871 |
// ReduceSignalUsage allows the user to override these handlers |
|
3872 |
// see comments at the very top and jvm_solaris.h |
|
3873 |
if (!ReduceSignalUsage) { |
|
3874 |
DO_SIGNAL_CHECK(SHUTDOWN1_SIGNAL); |
|
3875 |
DO_SIGNAL_CHECK(SHUTDOWN2_SIGNAL); |
|
3876 |
DO_SIGNAL_CHECK(SHUTDOWN3_SIGNAL); |
|
3877 |
DO_SIGNAL_CHECK(BREAK_SIGNAL); |
|
3878 |
} |
|
3879 |
} |
|
3880 |
||
3881 |
typedef int (*os_sigaction_t)(int, const struct sigaction *, struct sigaction *); |
|
3882 |
||
3883 |
static os_sigaction_t os_sigaction = NULL; |
|
3884 |
||
3885 |
void os::Solaris::check_signal_handler(int sig) { |
|
3886 |
char buf[O_BUFLEN]; |
|
3887 |
address jvmHandler = NULL; |
|
3888 |
||
3889 |
struct sigaction act; |
|
3890 |
if (os_sigaction == NULL) { |
|
3891 |
// only trust the default sigaction, in case it has been interposed |
|
3892 |
os_sigaction = (os_sigaction_t)dlsym(RTLD_DEFAULT, "sigaction"); |
|
3893 |
if (os_sigaction == NULL) return; |
|
3894 |
} |
|
3895 |
||
3896 |
os_sigaction(sig, (struct sigaction*)NULL, &act); |
|
3897 |
||
3898 |
address thisHandler = (act.sa_flags & SA_SIGINFO) |
|
3899 |
? CAST_FROM_FN_PTR(address, act.sa_sigaction) |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
3900 |
: CAST_FROM_FN_PTR(address, act.sa_handler); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
3901 |
|
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
3902 |
|
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
3903 |
switch (sig) { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3904 |
case SIGSEGV: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3905 |
case SIGBUS: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3906 |
case SIGFPE: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3907 |
case SIGPIPE: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3908 |
case SIGXFSZ: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3909 |
case SIGILL: |
46337
307e52ec20cd
8175817: Clean up Solaris signal code: SIGUSR2, SIGasync, SIGJVM1/2
dholmes
parents:
46331
diff
changeset
|
3910 |
case ASYNC_SIGNAL: |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3911 |
jvmHandler = CAST_FROM_FN_PTR(address, signalHandler); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3912 |
break; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3913 |
|
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3914 |
case SHUTDOWN1_SIGNAL: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3915 |
case SHUTDOWN2_SIGNAL: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3916 |
case SHUTDOWN3_SIGNAL: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3917 |
case BREAK_SIGNAL: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3918 |
jvmHandler = (address)user_handler(); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3919 |
break; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3920 |
|
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3921 |
default: |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
3922 |
return; |
46337
307e52ec20cd
8175817: Clean up Solaris signal code: SIGUSR2, SIGasync, SIGJVM1/2
dholmes
parents:
46331
diff
changeset
|
3923 |
} |
1 | 3924 |
|
3925 |
if (thisHandler != jvmHandler) { |
|
3926 |
tty->print("Warning: %s handler ", exception_name(sig, buf, O_BUFLEN)); |
|
3927 |
tty->print("expected:%s", get_signal_handler_name(jvmHandler, buf, O_BUFLEN)); |
|
3928 |
tty->print_cr(" found:%s", get_signal_handler_name(thisHandler, buf, O_BUFLEN)); |
|
3929 |
// No need to check this sig any longer |
|
3930 |
sigaddset(&check_signal_done, sig); |
|
23444
b5457261694b
6536943: Bogus -Xcheck:jni warning for SIG_INT action for SIGINT in JVM started from non-interactive shell
minqi
parents:
23443
diff
changeset
|
3931 |
// Running under non-interactive shell, SHUTDOWN2_SIGNAL will be reassigned SIG_IGN |
b5457261694b
6536943: Bogus -Xcheck:jni warning for SIG_INT action for SIGINT in JVM started from non-interactive shell
minqi
parents:
23443
diff
changeset
|
3932 |
if (sig == SHUTDOWN2_SIGNAL && !isatty(fileno(stdin))) { |
b5457261694b
6536943: Bogus -Xcheck:jni warning for SIG_INT action for SIGINT in JVM started from non-interactive shell
minqi
parents:
23443
diff
changeset
|
3933 |
tty->print_cr("Running in non-interactive shell, %s handler is replaced by shell", |
b5457261694b
6536943: Bogus -Xcheck:jni warning for SIG_INT action for SIGINT in JVM started from non-interactive shell
minqi
parents:
23443
diff
changeset
|
3934 |
exception_name(sig, buf, O_BUFLEN)); |
b5457261694b
6536943: Bogus -Xcheck:jni warning for SIG_INT action for SIGINT in JVM started from non-interactive shell
minqi
parents:
23443
diff
changeset
|
3935 |
} |
1 | 3936 |
} else if(os::Solaris::get_our_sigflags(sig) != 0 && act.sa_flags != os::Solaris::get_our_sigflags(sig)) { |
3937 |
tty->print("Warning: %s handler flags ", exception_name(sig, buf, O_BUFLEN)); |
|
34667 | 3938 |
tty->print("expected:"); |
3939 |
os::Posix::print_sa_flags(tty, os::Solaris::get_our_sigflags(sig)); |
|
3940 |
tty->cr(); |
|
3941 |
tty->print(" found:"); |
|
3942 |
os::Posix::print_sa_flags(tty, act.sa_flags); |
|
3943 |
tty->cr(); |
|
1 | 3944 |
// No need to check this sig any longer |
3945 |
sigaddset(&check_signal_done, sig); |
|
3946 |
} |
|
3947 |
||
3948 |
// Print all the signal handler state |
|
3949 |
if (sigismember(&check_signal_done, sig)) { |
|
3950 |
print_signal_handlers(tty, buf, O_BUFLEN); |
|
3951 |
} |
|
3952 |
||
3953 |
} |
|
3954 |
||
3955 |
void os::Solaris::install_signal_handlers() { |
|
3956 |
signal_handlers_are_installed = true; |
|
3957 |
||
3958 |
// signal-chaining |
|
3959 |
typedef void (*signal_setting_t)(); |
|
3960 |
signal_setting_t begin_signal_setting = NULL; |
|
3961 |
signal_setting_t end_signal_setting = NULL; |
|
3962 |
begin_signal_setting = CAST_TO_FN_PTR(signal_setting_t, |
|
3963 |
dlsym(RTLD_DEFAULT, "JVM_begin_signal_setting")); |
|
3964 |
if (begin_signal_setting != NULL) { |
|
3965 |
end_signal_setting = CAST_TO_FN_PTR(signal_setting_t, |
|
3966 |
dlsym(RTLD_DEFAULT, "JVM_end_signal_setting")); |
|
3967 |
get_signal_action = CAST_TO_FN_PTR(get_signal_t, |
|
3968 |
dlsym(RTLD_DEFAULT, "JVM_get_signal_action")); |
|
3969 |
libjsig_is_loaded = true; |
|
3970 |
assert(UseSignalChaining, "should enable signal-chaining"); |
|
3971 |
} |
|
3972 |
if (libjsig_is_loaded) { |
|
3973 |
// Tell libjsig jvm is setting signal handlers |
|
3974 |
(*begin_signal_setting)(); |
|
3975 |
} |
|
3976 |
||
3977 |
set_signal_handler(SIGSEGV, true, true); |
|
3978 |
set_signal_handler(SIGPIPE, true, true); |
|
3979 |
set_signal_handler(SIGXFSZ, true, true); |
|
3980 |
set_signal_handler(SIGBUS, true, true); |
|
3981 |
set_signal_handler(SIGILL, true, true); |
|
3982 |
set_signal_handler(SIGFPE, true, true); |
|
46337
307e52ec20cd
8175817: Clean up Solaris signal code: SIGUSR2, SIGasync, SIGJVM1/2
dholmes
parents:
46331
diff
changeset
|
3983 |
set_signal_handler(ASYNC_SIGNAL, true, true); |
307e52ec20cd
8175817: Clean up Solaris signal code: SIGUSR2, SIGasync, SIGJVM1/2
dholmes
parents:
46331
diff
changeset
|
3984 |
|
307e52ec20cd
8175817: Clean up Solaris signal code: SIGUSR2, SIGasync, SIGJVM1/2
dholmes
parents:
46331
diff
changeset
|
3985 |
if (libjsig_is_loaded) { |
1 | 3986 |
// Tell libjsig jvm finishes setting signal handlers |
3987 |
(*end_signal_setting)(); |
|
3988 |
} |
|
3989 |
||
3990 |
// We don't activate signal checker if libjsig is in place, we trust ourselves |
|
10561
bf51fe78a9ad
7051189: Need to suppress info message if -xcheck:jni used with libjsig.so
kevinw
parents:
10494
diff
changeset
|
3991 |
// and if UserSignalHandler is installed all bets are off. |
bf51fe78a9ad
7051189: Need to suppress info message if -xcheck:jni used with libjsig.so
kevinw
parents:
10494
diff
changeset
|
3992 |
// Log that signal checking is off only if -verbose:jni is specified. |
1 | 3993 |
if (CheckJNICalls) { |
3994 |
if (libjsig_is_loaded) { |
|
10561
bf51fe78a9ad
7051189: Need to suppress info message if -xcheck:jni used with libjsig.so
kevinw
parents:
10494
diff
changeset
|
3995 |
if (PrintJNIResolving) { |
bf51fe78a9ad
7051189: Need to suppress info message if -xcheck:jni used with libjsig.so
kevinw
parents:
10494
diff
changeset
|
3996 |
tty->print_cr("Info: libjsig is activated, all active signal checking is disabled"); |
bf51fe78a9ad
7051189: Need to suppress info message if -xcheck:jni used with libjsig.so
kevinw
parents:
10494
diff
changeset
|
3997 |
} |
1 | 3998 |
check_signals = false; |
3999 |
} |
|
4000 |
if (AllowUserSignalHandlers) { |
|
10561
bf51fe78a9ad
7051189: Need to suppress info message if -xcheck:jni used with libjsig.so
kevinw
parents:
10494
diff
changeset
|
4001 |
if (PrintJNIResolving) { |
bf51fe78a9ad
7051189: Need to suppress info message if -xcheck:jni used with libjsig.so
kevinw
parents:
10494
diff
changeset
|
4002 |
tty->print_cr("Info: AllowUserSignalHandlers is activated, all active signal checking is disabled"); |
bf51fe78a9ad
7051189: Need to suppress info message if -xcheck:jni used with libjsig.so
kevinw
parents:
10494
diff
changeset
|
4003 |
} |
1 | 4004 |
check_signals = false; |
4005 |
} |
|
4006 |
} |
|
4007 |
} |
|
4008 |
||
4009 |
||
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4010 |
void report_error(const char* file_name, int line_no, const char* title, |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4011 |
const char* format, ...); |
1 | 4012 |
|
4013 |
// (Static) wrappers for the liblgrp API |
|
4014 |
os::Solaris::lgrp_home_func_t os::Solaris::_lgrp_home; |
|
4015 |
os::Solaris::lgrp_init_func_t os::Solaris::_lgrp_init; |
|
4016 |
os::Solaris::lgrp_fini_func_t os::Solaris::_lgrp_fini; |
|
4017 |
os::Solaris::lgrp_root_func_t os::Solaris::_lgrp_root; |
|
4018 |
os::Solaris::lgrp_children_func_t os::Solaris::_lgrp_children; |
|
391
f889070a8684
6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator.
iveresov
parents:
388
diff
changeset
|
4019 |
os::Solaris::lgrp_resources_func_t os::Solaris::_lgrp_resources; |
1 | 4020 |
os::Solaris::lgrp_nlgrps_func_t os::Solaris::_lgrp_nlgrps; |
4021 |
os::Solaris::lgrp_cookie_stale_func_t os::Solaris::_lgrp_cookie_stale; |
|
4022 |
os::Solaris::lgrp_cookie_t os::Solaris::_lgrp_cookie = 0; |
|
4023 |
||
2253
30268d00878e
6812587: Use auxv to determine SPARC hardware features on Solaris
twisti
parents:
2012
diff
changeset
|
4024 |
static address resolve_symbol_lazy(const char* name) { |
30268d00878e
6812587: Use auxv to determine SPARC hardware features on Solaris
twisti
parents:
2012
diff
changeset
|
4025 |
address addr = (address) dlsym(RTLD_DEFAULT, name); |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
4026 |
if (addr == NULL) { |
1 | 4027 |
// RTLD_DEFAULT was not defined on some early versions of 2.5.1 |
4028 |
addr = (address) dlsym(RTLD_NEXT, name); |
|
2253
30268d00878e
6812587: Use auxv to determine SPARC hardware features on Solaris
twisti
parents:
2012
diff
changeset
|
4029 |
} |
30268d00878e
6812587: Use auxv to determine SPARC hardware features on Solaris
twisti
parents:
2012
diff
changeset
|
4030 |
return addr; |
30268d00878e
6812587: Use auxv to determine SPARC hardware features on Solaris
twisti
parents:
2012
diff
changeset
|
4031 |
} |
30268d00878e
6812587: Use auxv to determine SPARC hardware features on Solaris
twisti
parents:
2012
diff
changeset
|
4032 |
|
30268d00878e
6812587: Use auxv to determine SPARC hardware features on Solaris
twisti
parents:
2012
diff
changeset
|
4033 |
static address resolve_symbol(const char* name) { |
30268d00878e
6812587: Use auxv to determine SPARC hardware features on Solaris
twisti
parents:
2012
diff
changeset
|
4034 |
address addr = resolve_symbol_lazy(name); |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
4035 |
if (addr == NULL) { |
2253
30268d00878e
6812587: Use auxv to determine SPARC hardware features on Solaris
twisti
parents:
2012
diff
changeset
|
4036 |
fatal(dlerror()); |
1 | 4037 |
} |
4038 |
return addr; |
|
4039 |
} |
|
4040 |
||
4041 |
void os::Solaris::libthread_init() { |
|
4042 |
address func = (address)dlsym(RTLD_DEFAULT, "_thr_suspend_allmutators"); |
|
4043 |
||
4044 |
lwp_priocntl_init(); |
|
4045 |
||
4046 |
// RTLD_DEFAULT was not defined on some early versions of 5.5.1 |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
4047 |
if (func == NULL) { |
1 | 4048 |
func = (address) dlsym(RTLD_NEXT, "_thr_suspend_allmutators"); |
4049 |
// Guarantee that this VM is running on an new enough OS (5.6 or |
|
4050 |
// later) that it will have a new enough libthread.so. |
|
4051 |
guarantee(func != NULL, "libthread.so is too old."); |
|
4052 |
} |
|
4053 |
||
4054 |
int size; |
|
4055 |
void (*handler_info_func)(address *, int *); |
|
4056 |
handler_info_func = CAST_TO_FN_PTR(void (*)(address *, int *), resolve_symbol("thr_sighndlrinfo")); |
|
4057 |
handler_info_func(&handler_start, &size); |
|
4058 |
handler_end = handler_start + size; |
|
4059 |
} |
|
4060 |
||
4061 |
||
4062 |
int_fnP_mutex_tP os::Solaris::_mutex_lock; |
|
4063 |
int_fnP_mutex_tP os::Solaris::_mutex_trylock; |
|
4064 |
int_fnP_mutex_tP os::Solaris::_mutex_unlock; |
|
4065 |
int_fnP_mutex_tP_i_vP os::Solaris::_mutex_init; |
|
4066 |
int_fnP_mutex_tP os::Solaris::_mutex_destroy; |
|
4067 |
int os::Solaris::_mutex_scope = USYNC_THREAD; |
|
4068 |
||
4069 |
int_fnP_cond_tP_mutex_tP_timestruc_tP os::Solaris::_cond_timedwait; |
|
4070 |
int_fnP_cond_tP_mutex_tP os::Solaris::_cond_wait; |
|
4071 |
int_fnP_cond_tP os::Solaris::_cond_signal; |
|
4072 |
int_fnP_cond_tP os::Solaris::_cond_broadcast; |
|
4073 |
int_fnP_cond_tP_i_vP os::Solaris::_cond_init; |
|
4074 |
int_fnP_cond_tP os::Solaris::_cond_destroy; |
|
4075 |
int os::Solaris::_cond_scope = USYNC_THREAD; |
|
47524
97569cf468f4
8187040: ThreadCritical crashes on Solaris if used between os::init and os::init_2
mgerdin
parents:
47216
diff
changeset
|
4076 |
bool os::Solaris::_synchronization_initialized; |
1 | 4077 |
|
4078 |
void os::Solaris::synchronization_init() { |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
4079 |
if (UseLWPSynchronization) { |
1 | 4080 |
os::Solaris::set_mutex_lock(CAST_TO_FN_PTR(int_fnP_mutex_tP, resolve_symbol("_lwp_mutex_lock"))); |
4081 |
os::Solaris::set_mutex_trylock(CAST_TO_FN_PTR(int_fnP_mutex_tP, resolve_symbol("_lwp_mutex_trylock"))); |
|
4082 |
os::Solaris::set_mutex_unlock(CAST_TO_FN_PTR(int_fnP_mutex_tP, resolve_symbol("_lwp_mutex_unlock"))); |
|
4083 |
os::Solaris::set_mutex_init(lwp_mutex_init); |
|
4084 |
os::Solaris::set_mutex_destroy(lwp_mutex_destroy); |
|
4085 |
os::Solaris::set_mutex_scope(USYNC_THREAD); |
|
4086 |
||
4087 |
os::Solaris::set_cond_timedwait(CAST_TO_FN_PTR(int_fnP_cond_tP_mutex_tP_timestruc_tP, resolve_symbol("_lwp_cond_timedwait"))); |
|
4088 |
os::Solaris::set_cond_wait(CAST_TO_FN_PTR(int_fnP_cond_tP_mutex_tP, resolve_symbol("_lwp_cond_wait"))); |
|
4089 |
os::Solaris::set_cond_signal(CAST_TO_FN_PTR(int_fnP_cond_tP, resolve_symbol("_lwp_cond_signal"))); |
|
4090 |
os::Solaris::set_cond_broadcast(CAST_TO_FN_PTR(int_fnP_cond_tP, resolve_symbol("_lwp_cond_broadcast"))); |
|
4091 |
os::Solaris::set_cond_init(lwp_cond_init); |
|
4092 |
os::Solaris::set_cond_destroy(lwp_cond_destroy); |
|
4093 |
os::Solaris::set_cond_scope(USYNC_THREAD); |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4094 |
} else { |
1 | 4095 |
os::Solaris::set_mutex_scope(USYNC_THREAD); |
4096 |
os::Solaris::set_cond_scope(USYNC_THREAD); |
|
4097 |
||
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
4098 |
if (UsePthreads) { |
1 | 4099 |
os::Solaris::set_mutex_lock(CAST_TO_FN_PTR(int_fnP_mutex_tP, resolve_symbol("pthread_mutex_lock"))); |
4100 |
os::Solaris::set_mutex_trylock(CAST_TO_FN_PTR(int_fnP_mutex_tP, resolve_symbol("pthread_mutex_trylock"))); |
|
4101 |
os::Solaris::set_mutex_unlock(CAST_TO_FN_PTR(int_fnP_mutex_tP, resolve_symbol("pthread_mutex_unlock"))); |
|
4102 |
os::Solaris::set_mutex_init(pthread_mutex_default_init); |
|
4103 |
os::Solaris::set_mutex_destroy(CAST_TO_FN_PTR(int_fnP_mutex_tP, resolve_symbol("pthread_mutex_destroy"))); |
|
4104 |
||
4105 |
os::Solaris::set_cond_timedwait(CAST_TO_FN_PTR(int_fnP_cond_tP_mutex_tP_timestruc_tP, resolve_symbol("pthread_cond_timedwait"))); |
|
4106 |
os::Solaris::set_cond_wait(CAST_TO_FN_PTR(int_fnP_cond_tP_mutex_tP, resolve_symbol("pthread_cond_wait"))); |
|
4107 |
os::Solaris::set_cond_signal(CAST_TO_FN_PTR(int_fnP_cond_tP, resolve_symbol("pthread_cond_signal"))); |
|
4108 |
os::Solaris::set_cond_broadcast(CAST_TO_FN_PTR(int_fnP_cond_tP, resolve_symbol("pthread_cond_broadcast"))); |
|
4109 |
os::Solaris::set_cond_init(pthread_cond_default_init); |
|
4110 |
os::Solaris::set_cond_destroy(CAST_TO_FN_PTR(int_fnP_cond_tP, resolve_symbol("pthread_cond_destroy"))); |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4111 |
} else { |
1 | 4112 |
os::Solaris::set_mutex_lock(CAST_TO_FN_PTR(int_fnP_mutex_tP, resolve_symbol("mutex_lock"))); |
4113 |
os::Solaris::set_mutex_trylock(CAST_TO_FN_PTR(int_fnP_mutex_tP, resolve_symbol("mutex_trylock"))); |
|
4114 |
os::Solaris::set_mutex_unlock(CAST_TO_FN_PTR(int_fnP_mutex_tP, resolve_symbol("mutex_unlock"))); |
|
4115 |
os::Solaris::set_mutex_init(::mutex_init); |
|
4116 |
os::Solaris::set_mutex_destroy(::mutex_destroy); |
|
4117 |
||
4118 |
os::Solaris::set_cond_timedwait(CAST_TO_FN_PTR(int_fnP_cond_tP_mutex_tP_timestruc_tP, resolve_symbol("cond_timedwait"))); |
|
4119 |
os::Solaris::set_cond_wait(CAST_TO_FN_PTR(int_fnP_cond_tP_mutex_tP, resolve_symbol("cond_wait"))); |
|
4120 |
os::Solaris::set_cond_signal(CAST_TO_FN_PTR(int_fnP_cond_tP, resolve_symbol("cond_signal"))); |
|
4121 |
os::Solaris::set_cond_broadcast(CAST_TO_FN_PTR(int_fnP_cond_tP, resolve_symbol("cond_broadcast"))); |
|
4122 |
os::Solaris::set_cond_init(::cond_init); |
|
4123 |
os::Solaris::set_cond_destroy(::cond_destroy); |
|
4124 |
} |
|
4125 |
} |
|
47524
97569cf468f4
8187040: ThreadCritical crashes on Solaris if used between os::init and os::init_2
mgerdin
parents:
47216
diff
changeset
|
4126 |
_synchronization_initialized = true; |
1 | 4127 |
} |
4128 |
||
1615
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4129 |
bool os::Solaris::liblgrp_init() { |
975
ad7da100aa6a
6720130: NUMA allocator: The linux version should search for libnuma.so.1
iveresov
parents:
391
diff
changeset
|
4130 |
void *handle = dlopen("liblgrp.so.1", RTLD_LAZY); |
1 | 4131 |
if (handle != NULL) { |
4132 |
os::Solaris::set_lgrp_home(CAST_TO_FN_PTR(lgrp_home_func_t, dlsym(handle, "lgrp_home"))); |
|
4133 |
os::Solaris::set_lgrp_init(CAST_TO_FN_PTR(lgrp_init_func_t, dlsym(handle, "lgrp_init"))); |
|
4134 |
os::Solaris::set_lgrp_fini(CAST_TO_FN_PTR(lgrp_fini_func_t, dlsym(handle, "lgrp_fini"))); |
|
4135 |
os::Solaris::set_lgrp_root(CAST_TO_FN_PTR(lgrp_root_func_t, dlsym(handle, "lgrp_root"))); |
|
4136 |
os::Solaris::set_lgrp_children(CAST_TO_FN_PTR(lgrp_children_func_t, dlsym(handle, "lgrp_children"))); |
|
391
f889070a8684
6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator.
iveresov
parents:
388
diff
changeset
|
4137 |
os::Solaris::set_lgrp_resources(CAST_TO_FN_PTR(lgrp_resources_func_t, dlsym(handle, "lgrp_resources"))); |
1 | 4138 |
os::Solaris::set_lgrp_nlgrps(CAST_TO_FN_PTR(lgrp_nlgrps_func_t, dlsym(handle, "lgrp_nlgrps"))); |
4139 |
os::Solaris::set_lgrp_cookie_stale(CAST_TO_FN_PTR(lgrp_cookie_stale_func_t, |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4140 |
dlsym(handle, "lgrp_cookie_stale"))); |
1 | 4141 |
|
4142 |
lgrp_cookie_t c = lgrp_init(LGRP_VIEW_CALLER); |
|
4143 |
set_lgrp_cookie(c); |
|
1615
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4144 |
return true; |
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4145 |
} |
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4146 |
return false; |
1 | 4147 |
} |
4148 |
||
4149 |
// int pset_getloadavg(psetid_t pset, double loadavg[], int nelem); |
|
4150 |
typedef long (*pset_getloadavg_type)(psetid_t pset, double loadavg[], int nelem); |
|
4151 |
static pset_getloadavg_type pset_getloadavg_ptr = NULL; |
|
4152 |
||
4153 |
void init_pset_getloadavg_ptr(void) { |
|
4154 |
pset_getloadavg_ptr = |
|
4155 |
(pset_getloadavg_type)dlsym(RTLD_DEFAULT, "pset_getloadavg"); |
|
37430
fd743dadef12
8151939: VM_Version_init() print buffer is too small
coleenp
parents:
37118
diff
changeset
|
4156 |
if (pset_getloadavg_ptr == NULL) { |
fd743dadef12
8151939: VM_Version_init() print buffer is too small
coleenp
parents:
37118
diff
changeset
|
4157 |
log_warning(os)("pset_getloadavg function not found"); |
1 | 4158 |
} |
4159 |
} |
|
4160 |
||
4161 |
int os::Solaris::_dev_zero_fd = -1; |
|
4162 |
||
4163 |
// this is called _before_ the global arguments have been parsed |
|
4164 |
void os::init(void) { |
|
4165 |
_initial_pid = getpid(); |
|
4166 |
||
4167 |
max_hrtime = first_hrtime = gethrtime(); |
|
4168 |
||
4169 |
init_random(1234567); |
|
4170 |
||
4171 |
page_size = sysconf(_SC_PAGESIZE); |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4172 |
if (page_size == -1) { |
37113 | 4173 |
fatal("os_solaris.cpp: os::init: sysconf failed (%s)", os::strerror(errno)); |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4174 |
} |
1 | 4175 |
init_page_sizes((size_t) page_size); |
4176 |
||
4177 |
Solaris::initialize_system_info(); |
|
4178 |
||
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4179 |
int fd = ::open("/dev/zero", O_RDWR); |
1 | 4180 |
if (fd < 0) { |
37113 | 4181 |
fatal("os::init: cannot open /dev/zero (%s)", os::strerror(errno)); |
1 | 4182 |
} else { |
4183 |
Solaris::set_dev_zero_fd(fd); |
|
4184 |
||
4185 |
// Close on exec, child won't inherit. |
|
4186 |
fcntl(fd, F_SETFD, FD_CLOEXEC); |
|
4187 |
} |
|
4188 |
||
4189 |
clock_tics_per_sec = CLK_TCK; |
|
4190 |
||
4191 |
// check if dladdr1() exists; dladdr1 can provide more information than |
|
4192 |
// dladdr for os::dll_address_to_function_name. It comes with SunOS 5.9 |
|
4193 |
// and is available on linker patches for 5.7 and 5.8. |
|
4194 |
// libdl.so must have been loaded, this call is just an entry lookup |
|
4195 |
void * hdl = dlopen("libdl.so", RTLD_NOW); |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4196 |
if (hdl) { |
1 | 4197 |
dladdr1_func = CAST_TO_FN_PTR(dladdr1_func_type, dlsym(hdl, "dladdr1")); |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4198 |
} |
1 | 4199 |
|
48005
9fd89aabb6cd
8189170: Add option to disable stack overflow checking in primordial thread for use with JNI_CreateJavaJVM
dholmes
parents:
47903
diff
changeset
|
4200 |
// main_thread points to the thread that created/loaded the JVM. |
1 | 4201 |
main_thread = thr_self(); |
4202 |
||
38173
73d05e56ec86
8154710: [Solaris] Investigate use of in-memory low-resolution timestamps for Java and internal time API's
dholmes
parents:
37465
diff
changeset
|
4203 |
// dynamic lookup of functions that may not be available in our lowest |
73d05e56ec86
8154710: [Solaris] Investigate use of in-memory low-resolution timestamps for Java and internal time API's
dholmes
parents:
37465
diff
changeset
|
4204 |
// supported Solaris release |
37442
942637261b21
8151322: Implement os::set_native_thread_name() on Solaris
dholmes
parents:
37430
diff
changeset
|
4205 |
void * handle = dlopen("libc.so.1", RTLD_LAZY); |
942637261b21
8151322: Implement os::set_native_thread_name() on Solaris
dholmes
parents:
37430
diff
changeset
|
4206 |
if (handle != NULL) { |
38173
73d05e56ec86
8154710: [Solaris] Investigate use of in-memory low-resolution timestamps for Java and internal time API's
dholmes
parents:
37465
diff
changeset
|
4207 |
Solaris::_pthread_setname_np = // from 11.3 |
37442
942637261b21
8151322: Implement os::set_native_thread_name() on Solaris
dholmes
parents:
37430
diff
changeset
|
4208 |
(Solaris::pthread_setname_np_func_t)dlsym(handle, "pthread_setname_np"); |
942637261b21
8151322: Implement os::set_native_thread_name() on Solaris
dholmes
parents:
37430
diff
changeset
|
4209 |
} |
1 | 4210 |
} |
4211 |
||
4212 |
// To install functions for atexit system call |
|
4213 |
extern "C" { |
|
4214 |
static void perfMemory_exit_helper() { |
|
4215 |
perfMemory_exit(); |
|
4216 |
} |
|
4217 |
} |
|
4218 |
||
4219 |
// this is called _after_ the global arguments have been parsed |
|
4220 |
jint os::init_2(void) { |
|
4221 |
// try to enable extended file IO ASAP, see 6431278 |
|
4222 |
os::Solaris::try_enable_extended_io(); |
|
4223 |
||
41070
496463b4e206
8140520: segfault on solaris-amd64 with "-XX:VMThreadStackSize=1" option
rdurbin
parents:
40667
diff
changeset
|
4224 |
// Check and sets minimum stack sizes against command line options |
496463b4e206
8140520: segfault on solaris-amd64 with "-XX:VMThreadStackSize=1" option
rdurbin
parents:
40667
diff
changeset
|
4225 |
if (Posix::set_minimum_stack_sizes() == JNI_ERR) { |
1 | 4226 |
return JNI_ERR; |
4227 |
} |
|
4228 |
||
4229 |
Solaris::libthread_init(); |
|
1615
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4230 |
|
1 | 4231 |
if (UseNUMA) { |
1615
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4232 |
if (!Solaris::liblgrp_init()) { |
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4233 |
UseNUMA = false; |
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4234 |
} else { |
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4235 |
size_t lgrp_limit = os::numa_get_groups_num(); |
13195 | 4236 |
int *lgrp_ids = NEW_C_HEAP_ARRAY(int, lgrp_limit, mtInternal); |
1615
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4237 |
size_t lgrp_num = os::numa_get_leaf_groups(lgrp_ids, lgrp_limit); |
27880
afb974a04396
8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents:
27636
diff
changeset
|
4238 |
FREE_C_HEAP_ARRAY(int, lgrp_ids); |
1615
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4239 |
if (lgrp_num < 2) { |
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4240 |
// There's only one locality group, disable NUMA. |
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4241 |
UseNUMA = false; |
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4242 |
} |
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4243 |
} |
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4244 |
if (!UseNUMA && ForceNUMA) { |
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4245 |
UseNUMA = true; |
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4246 |
} |
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4247 |
} |
b46d9f19bde2
6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents:
1558
diff
changeset
|
4248 |
|
1 | 4249 |
Solaris::signal_sets_init(); |
4250 |
Solaris::init_signal_mem(); |
|
4251 |
Solaris::install_signal_handlers(); |
|
4252 |
||
4253 |
// initialize synchronization primitives to use either thread or |
|
4254 |
// lwp synchronization (controlled by UseLWPSynchronization) |
|
4255 |
Solaris::synchronization_init(); |
|
4256 |
||
4257 |
if (MaxFDLimit) { |
|
4258 |
// set the number of file descriptors to max. print out error |
|
4259 |
// if getrlimit/setrlimit fails but continue regardless. |
|
4260 |
struct rlimit nbr_files; |
|
4261 |
int status = getrlimit(RLIMIT_NOFILE, &nbr_files); |
|
4262 |
if (status != 0) { |
|
37430
fd743dadef12
8151939: VM_Version_init() print buffer is too small
coleenp
parents:
37118
diff
changeset
|
4263 |
log_info(os)("os::init_2 getrlimit failed: %s", os::strerror(errno)); |
1 | 4264 |
} else { |
4265 |
nbr_files.rlim_cur = nbr_files.rlim_max; |
|
4266 |
status = setrlimit(RLIMIT_NOFILE, &nbr_files); |
|
4267 |
if (status != 0) { |
|
37430
fd743dadef12
8151939: VM_Version_init() print buffer is too small
coleenp
parents:
37118
diff
changeset
|
4268 |
log_info(os)("os::init_2 setrlimit failed: %s", os::strerror(errno)); |
1 | 4269 |
} |
4270 |
} |
|
4271 |
} |
|
4272 |
||
4273 |
// Calculate theoretical max. size of Threads to guard gainst |
|
4274 |
// artifical out-of-memory situations, where all available address- |
|
4275 |
// space has been reserved by thread stacks. Default stack size is 1Mb. |
|
4276 |
size_t pre_thread_stack_size = (JavaThread::stack_size_at_create()) ? |
|
4277 |
JavaThread::stack_size_at_create() : (1*K*K); |
|
4278 |
assert(pre_thread_stack_size != 0, "Must have a stack"); |
|
4279 |
// Solaris has a maximum of 4Gb of user programs. Calculate the thread limit when |
|
4280 |
// we should start doing Virtual Memory banging. Currently when the threads will |
|
4281 |
// have used all but 200Mb of space. |
|
4282 |
size_t max_address_space = ((unsigned int)4 * K * K * K) - (200 * K * K); |
|
4283 |
Solaris::_os_thread_limit = max_address_space / pre_thread_stack_size; |
|
4284 |
||
4285 |
// at-exit methods are called in the reverse order of their registration. |
|
4286 |
// In Solaris 7 and earlier, atexit functions are called on return from |
|
4287 |
// main or as a result of a call to exit(3C). There can be only 32 of |
|
4288 |
// these functions registered and atexit() does not set errno. In Solaris |
|
4289 |
// 8 and later, there is no limit to the number of functions registered |
|
4290 |
// and atexit() sets errno. In addition, in Solaris 8 and later, atexit |
|
4291 |
// functions are called upon dlclose(3DL) in addition to return from main |
|
4292 |
// and exit(3C). |
|
4293 |
||
4294 |
if (PerfAllowAtExitRegistration) { |
|
4295 |
// only register atexit functions if PerfAllowAtExitRegistration is set. |
|
4296 |
// atexit functions can be delayed until process exit time, which |
|
4297 |
// can be problematic for embedded VM situations. Embedded VMs should |
|
4298 |
// call DestroyJavaVM() to assure that VM resources are released. |
|
4299 |
||
4300 |
// note: perfMemory_exit_helper atexit function may be removed in |
|
4301 |
// the future if the appropriate cleanup code can be added to the |
|
4302 |
// VM_Exit VMOperation's doit method. |
|
4303 |
if (atexit(perfMemory_exit_helper) != 0) { |
|
4304 |
warning("os::init2 atexit(perfMemory_exit_helper) failed"); |
|
4305 |
} |
|
4306 |
} |
|
4307 |
||
4308 |
// Init pset_loadavg function pointer |
|
4309 |
init_pset_getloadavg_ptr(); |
|
4310 |
||
4311 |
return JNI_OK; |
|
4312 |
} |
|
4313 |
||
4314 |
// Mark the polling page as unreadable |
|
4315 |
void os::make_polling_page_unreadable(void) { |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4316 |
if (mprotect((char *)_polling_page, page_size, PROT_NONE) != 0) { |
1 | 4317 |
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
|
4318 |
} |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4319 |
} |
1 | 4320 |
|
4321 |
// Mark the polling page as readable |
|
4322 |
void os::make_polling_page_readable(void) { |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4323 |
if (mprotect((char *)_polling_page, page_size, PROT_READ) != 0) { |
1 | 4324 |
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
|
4325 |
} |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4326 |
} |
1 | 4327 |
|
4328 |
// Is a (classpath) directory empty? |
|
4329 |
bool os::dir_is_empty(const char* path) { |
|
4330 |
DIR *dir = NULL; |
|
4331 |
struct dirent *ptr; |
|
4332 |
||
4333 |
dir = opendir(path); |
|
4334 |
if (dir == NULL) return true; |
|
4335 |
||
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4336 |
// Scan the directory |
1 | 4337 |
bool result = true; |
4338 |
char buf[sizeof(struct dirent) + MAX_PATH]; |
|
4339 |
struct dirent *dbuf = (struct dirent *) buf; |
|
4340 |
while (result && (ptr = readdir(dir, dbuf)) != NULL) { |
|
4341 |
if (strcmp(ptr->d_name, ".") != 0 && strcmp(ptr->d_name, "..") != 0) { |
|
4342 |
result = false; |
|
4343 |
} |
|
4344 |
} |
|
4345 |
closedir(dir); |
|
4346 |
return result; |
|
4347 |
} |
|
4348 |
||
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4349 |
// This code originates from JDK's sysOpen and open64_w |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4350 |
// from src/solaris/hpi/src/system_md.c |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4351 |
|
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4352 |
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
|
4353 |
if (strlen(path) > MAX_PATH - 1) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4354 |
errno = ENAMETOOLONG; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4355 |
return -1; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4356 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4357 |
int fd; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4358 |
|
7721 | 4359 |
fd = ::open64(path, oflag, mode); |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4360 |
if (fd == -1) return -1; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4361 |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4362 |
// If the open succeeded, the file might still be a directory |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4363 |
{ |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4364 |
struct stat64 buf64; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4365 |
int ret = ::fstat64(fd, &buf64); |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4366 |
int st_mode = buf64.st_mode; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4367 |
|
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4368 |
if (ret != -1) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4369 |
if ((st_mode & S_IFMT) == S_IFDIR) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4370 |
errno = EISDIR; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4371 |
::close(fd); |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4372 |
return -1; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4373 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4374 |
} else { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4375 |
::close(fd); |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4376 |
return -1; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4377 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4378 |
} |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4379 |
|
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4380 |
// 32-bit Solaris systems suffer from: |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4381 |
// |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4382 |
// - an historical default soft limit of 256 per-process file |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4383 |
// descriptors that is too low for many Java programs. |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4384 |
// |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4385 |
// - a design flaw where file descriptors created using stdio |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4386 |
// fopen must be less than 256, _even_ when the first limit above |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4387 |
// has been raised. This can cause calls to fopen (but not calls to |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4388 |
// open, for example) to fail mysteriously, perhaps in 3rd party |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4389 |
// native code (although the JDK itself uses fopen). One can hardly |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4390 |
// criticize them for using this most standard of all functions. |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4391 |
// |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4392 |
// We attempt to make everything work anyways by: |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4393 |
// |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4394 |
// - raising the soft limit on per-process file descriptors beyond |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4395 |
// 256 |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4396 |
// |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4397 |
// - As of Solaris 10u4, we can request that Solaris raise the 256 |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4398 |
// stdio fopen limit by calling function enable_extended_FILE_stdio. |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4399 |
// This is done in init_2 and recorded in enabled_extended_FILE_stdio |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4400 |
// |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4401 |
// - If we are stuck on an old (pre 10u4) Solaris system, we can |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4402 |
// workaround the bug by remapping non-stdio file descriptors below |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4403 |
// 256 to ones beyond 256, which is done below. |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4404 |
// |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4405 |
// See: |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4406 |
// 1085341: 32-bit stdio routines should support file descriptors >255 |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4407 |
// 6533291: Work around 32-bit Solaris stdio limit of 256 open files |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4408 |
// 6431278: Netbeans crash on 32 bit Solaris: need to call |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4409 |
// enable_extended_FILE_stdio() in VM initialisation |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4410 |
// Giri Mandalika's blog |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4411 |
// http://technopark02.blogspot.com/2005_05_01_archive.html |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4412 |
// |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4413 |
#ifndef _LP64 |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4414 |
if ((!enabled_extended_FILE_stdio) && fd < 256) { |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4415 |
int newfd = ::fcntl(fd, F_DUPFD, 256); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4416 |
if (newfd != -1) { |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4417 |
::close(fd); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4418 |
fd = newfd; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4419 |
} |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4420 |
} |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4421 |
#endif // 32-bit Solaris |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4422 |
|
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4423 |
// All file descriptors that are opened in the JVM and not |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4424 |
// specifically destined for a subprocess should have the |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4425 |
// close-on-exec flag set. If we don't set it, then careless 3rd |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4426 |
// party native code might fork and exec without closing all |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4427 |
// appropriate file descriptors (e.g. as we do in closeDescriptors in |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4428 |
// UNIXProcess.c), and this in turn might: |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4429 |
// |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4430 |
// - cause end-of-file to fail to be detected on some file |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4431 |
// descriptors, resulting in mysterious hangs, or |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4432 |
// |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4433 |
// - might cause an fopen in the subprocess to fail on a system |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4434 |
// suffering from bug 1085341. |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4435 |
// |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4436 |
// (Yes, the default setting of the close-on-exec flag is a Unix |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4437 |
// design flaw) |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4438 |
// |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4439 |
// See: |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4440 |
// 1085341: 32-bit stdio routines should support file descriptors >255 |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4441 |
// 4843136: (process) pipe file descriptor from Runtime.exec not being closed |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4442 |
// 6339493: (process) Runtime.exec does not close all file descriptors on Solaris 9 |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4443 |
// |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4444 |
#ifdef FD_CLOEXEC |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4445 |
{ |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4446 |
int flags = ::fcntl(fd, F_GETFD); |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4447 |
if (flags != -1) { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4448 |
::fcntl(fd, F_SETFD, flags | FD_CLOEXEC); |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4449 |
} |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4450 |
} |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4451 |
#endif |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4452 |
|
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4453 |
return fd; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4454 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4455 |
|
1 | 4456 |
// create binary file, rewriting existing file if required |
4457 |
int os::create_binary_file(const char* path, bool rewrite_existing) { |
|
4458 |
int oflags = O_WRONLY | O_CREAT; |
|
4459 |
if (!rewrite_existing) { |
|
4460 |
oflags |= O_EXCL; |
|
4461 |
} |
|
4462 |
return ::open64(path, oflags, S_IREAD | S_IWRITE); |
|
4463 |
} |
|
4464 |
||
4465 |
// return current position of file pointer |
|
4466 |
jlong os::current_file_offset(int fd) { |
|
4467 |
return (jlong)::lseek64(fd, (off64_t)0, SEEK_CUR); |
|
4468 |
} |
|
4469 |
||
4470 |
// move file pointer to the specified offset |
|
4471 |
jlong os::seek_to_file_offset(int fd, jlong offset) { |
|
4472 |
return (jlong)::lseek64(fd, (off64_t)offset, SEEK_SET); |
|
4473 |
} |
|
4474 |
||
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4475 |
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
|
4476 |
return (jlong) ::lseek64(fd, offset, whence); |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4477 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4478 |
|
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4479 |
char * os::native_path(char *path) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4480 |
return path; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4481 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4482 |
|
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4483 |
int os::ftruncate(int fd, jlong length) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4484 |
return ::ftruncate64(fd, length); |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4485 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4486 |
|
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4487 |
int os::fsync(int fd) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4488 |
RESTARTABLE_RETURN_INT(::fsync(fd)); |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4489 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4490 |
|
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4491 |
int os::available(int fd, jlong *bytes) { |
23443
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
4492 |
assert(((JavaThread*)Thread::current())->thread_state() == _thread_in_native, |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4493 |
"Assumed _thread_in_native"); |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4494 |
jlong cur, end; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4495 |
int mode; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4496 |
struct stat64 buf64; |
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 |
if (::fstat64(fd, &buf64) >= 0) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4499 |
mode = buf64.st_mode; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4500 |
if (S_ISCHR(mode) || S_ISFIFO(mode) || S_ISSOCK(mode)) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4501 |
int n,ioctl_return; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4502 |
|
23443
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
4503 |
RESTARTABLE(::ioctl(fd, FIONREAD, &n), ioctl_return); |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4504 |
if (ioctl_return>= 0) { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4505 |
*bytes = n; |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4506 |
return 1; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4507 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4508 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4509 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4510 |
if ((cur = ::lseek64(fd, 0L, SEEK_CUR)) == -1) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4511 |
return 0; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4512 |
} else if ((end = ::lseek64(fd, 0L, SEEK_END)) == -1) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4513 |
return 0; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4514 |
} else if (::lseek64(fd, cur, SEEK_SET) == -1) { |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4515 |
return 0; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4516 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4517 |
*bytes = end - cur; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4518 |
return 1; |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4519 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4520 |
|
1 | 4521 |
// Map a block of memory. |
13195 | 4522 |
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:
25719
diff
changeset
|
4523 |
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:
25719
diff
changeset
|
4524 |
bool allow_exec) { |
1 | 4525 |
int prot; |
4526 |
int flags; |
|
4527 |
||
4528 |
if (read_only) { |
|
4529 |
prot = PROT_READ; |
|
4530 |
flags = MAP_SHARED; |
|
4531 |
} else { |
|
4532 |
prot = PROT_READ | PROT_WRITE; |
|
4533 |
flags = MAP_PRIVATE; |
|
4534 |
} |
|
4535 |
||
4536 |
if (allow_exec) { |
|
4537 |
prot |= PROT_EXEC; |
|
4538 |
} |
|
4539 |
||
4540 |
if (addr != NULL) { |
|
4541 |
flags |= MAP_FIXED; |
|
4542 |
} |
|
4543 |
||
4544 |
char* mapped_address = (char*)mmap(addr, (size_t)bytes, prot, flags, |
|
4545 |
fd, file_offset); |
|
4546 |
if (mapped_address == MAP_FAILED) { |
|
4547 |
return NULL; |
|
4548 |
} |
|
4549 |
return mapped_address; |
|
4550 |
} |
|
4551 |
||
4552 |
||
4553 |
// Remap a block of memory. |
|
13195 | 4554 |
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:
25719
diff
changeset
|
4555 |
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:
25719
diff
changeset
|
4556 |
bool allow_exec) { |
1 | 4557 |
// same as map_memory() on this OS |
4558 |
return os::map_memory(fd, file_name, file_offset, addr, bytes, read_only, |
|
4559 |
allow_exec); |
|
4560 |
} |
|
4561 |
||
4562 |
||
4563 |
// Unmap a block of memory. |
|
13195 | 4564 |
bool os::pd_unmap_memory(char* addr, size_t bytes) { |
1 | 4565 |
return munmap(addr, bytes) == 0; |
4566 |
} |
|
4567 |
||
4568 |
void os::pause() { |
|
4569 |
char filename[MAX_PATH]; |
|
4570 |
if (PauseAtStartupFile && PauseAtStartupFile[0]) { |
|
4571 |
jio_snprintf(filename, MAX_PATH, PauseAtStartupFile); |
|
4572 |
} else { |
|
4573 |
jio_snprintf(filename, MAX_PATH, "./vm.paused.%d", current_process_id()); |
|
4574 |
} |
|
4575 |
||
4576 |
int fd = ::open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666); |
|
4577 |
if (fd != -1) { |
|
4578 |
struct stat buf; |
|
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4579 |
::close(fd); |
1 | 4580 |
while (::stat(filename, &buf) == 0) { |
4581 |
(void)::poll(NULL, 0, 100); |
|
4582 |
} |
|
4583 |
} else { |
|
4584 |
jio_fprintf(stderr, |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4585 |
"Could not open pause file '%s', continuing immediately.\n", filename); |
1 | 4586 |
} |
4587 |
} |
|
4588 |
||
4589 |
#ifndef PRODUCT |
|
4590 |
#ifdef INTERPOSE_ON_SYSTEM_SYNCH_FUNCTIONS |
|
4591 |
// Turn this on if you need to trace synch operations. |
|
4592 |
// Set RECORD_SYNCH_LIMIT to a large-enough value, |
|
4593 |
// and call record_synch_enable and record_synch_disable |
|
4594 |
// around the computation of interest. |
|
4595 |
||
4596 |
void record_synch(char* name, bool returning); // defined below |
|
4597 |
||
4598 |
class RecordSynch { |
|
4599 |
char* _name; |
|
4600 |
public: |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4601 |
RecordSynch(char* name) :_name(name) { record_synch(_name, false); } |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4602 |
~RecordSynch() { record_synch(_name, true); } |
1 | 4603 |
}; |
4604 |
||
4605 |
#define CHECK_SYNCH_OP(ret, name, params, args, inner) \ |
|
4606 |
extern "C" ret name params { \ |
|
4607 |
typedef ret name##_t params; \ |
|
4608 |
static name##_t* implem = NULL; \ |
|
4609 |
static int callcount = 0; \ |
|
4610 |
if (implem == NULL) { \ |
|
4611 |
implem = (name##_t*) dlsym(RTLD_NEXT, #name); \ |
|
4612 |
if (implem == NULL) fatal(dlerror()); \ |
|
4613 |
} \ |
|
4614 |
++callcount; \ |
|
4615 |
RecordSynch _rs(#name); \ |
|
4616 |
inner; \ |
|
4617 |
return implem args; \ |
|
4618 |
} |
|
4619 |
// in dbx, examine callcounts this way: |
|
4620 |
// for n in $(eval whereis callcount | awk '{print $2}'); do print $n; done |
|
4621 |
||
4622 |
#define CHECK_POINTER_OK(p) \ |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13198
diff
changeset
|
4623 |
(!Universe::is_fully_initialized() || !Universe::is_reserved_heap((oop)(p))) |
1 | 4624 |
#define CHECK_MU \ |
4625 |
if (!CHECK_POINTER_OK(mu)) fatal("Mutex must be in C heap only."); |
|
4626 |
#define CHECK_CV \ |
|
4627 |
if (!CHECK_POINTER_OK(cv)) fatal("Condvar must be in C heap only."); |
|
4628 |
#define CHECK_P(p) \ |
|
4629 |
if (!CHECK_POINTER_OK(p)) fatal(false, "Pointer must be in C heap only."); |
|
4630 |
||
4631 |
#define CHECK_MUTEX(mutex_op) \ |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4632 |
CHECK_SYNCH_OP(int, mutex_op, (mutex_t *mu), (mu), CHECK_MU); |
1 | 4633 |
|
4634 |
CHECK_MUTEX( mutex_lock) |
|
4635 |
CHECK_MUTEX( _mutex_lock) |
|
4636 |
CHECK_MUTEX( mutex_unlock) |
|
4637 |
CHECK_MUTEX(_mutex_unlock) |
|
4638 |
CHECK_MUTEX( mutex_trylock) |
|
4639 |
CHECK_MUTEX(_mutex_trylock) |
|
4640 |
||
4641 |
#define CHECK_COND(cond_op) \ |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4642 |
CHECK_SYNCH_OP(int, cond_op, (cond_t *cv, mutex_t *mu), (cv, mu), CHECK_MU; CHECK_CV); |
1 | 4643 |
|
4644 |
CHECK_COND( cond_wait); |
|
4645 |
CHECK_COND(_cond_wait); |
|
4646 |
CHECK_COND(_cond_wait_cancel); |
|
4647 |
||
4648 |
#define CHECK_COND2(cond_op) \ |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4649 |
CHECK_SYNCH_OP(int, cond_op, (cond_t *cv, mutex_t *mu, timestruc_t* ts), (cv, mu, ts), CHECK_MU; CHECK_CV); |
1 | 4650 |
|
4651 |
CHECK_COND2( cond_timedwait); |
|
4652 |
CHECK_COND2(_cond_timedwait); |
|
4653 |
CHECK_COND2(_cond_timedwait_cancel); |
|
4654 |
||
4655 |
// do the _lwp_* versions too |
|
4656 |
#define mutex_t lwp_mutex_t |
|
4657 |
#define cond_t lwp_cond_t |
|
4658 |
CHECK_MUTEX( _lwp_mutex_lock) |
|
4659 |
CHECK_MUTEX( _lwp_mutex_unlock) |
|
4660 |
CHECK_MUTEX( _lwp_mutex_trylock) |
|
4661 |
CHECK_MUTEX( __lwp_mutex_lock) |
|
4662 |
CHECK_MUTEX( __lwp_mutex_unlock) |
|
4663 |
CHECK_MUTEX( __lwp_mutex_trylock) |
|
4664 |
CHECK_MUTEX(___lwp_mutex_lock) |
|
4665 |
CHECK_MUTEX(___lwp_mutex_unlock) |
|
4666 |
||
4667 |
CHECK_COND( _lwp_cond_wait); |
|
4668 |
CHECK_COND( __lwp_cond_wait); |
|
4669 |
CHECK_COND(___lwp_cond_wait); |
|
4670 |
||
4671 |
CHECK_COND2( _lwp_cond_timedwait); |
|
4672 |
CHECK_COND2( __lwp_cond_timedwait); |
|
4673 |
#undef mutex_t |
|
4674 |
#undef cond_t |
|
4675 |
||
4676 |
CHECK_SYNCH_OP(int, _lwp_suspend2, (int lwp, int *n), (lwp, n), 0); |
|
4677 |
CHECK_SYNCH_OP(int,__lwp_suspend2, (int lwp, int *n), (lwp, n), 0); |
|
4678 |
CHECK_SYNCH_OP(int, _lwp_kill, (int lwp, int n), (lwp, n), 0); |
|
4679 |
CHECK_SYNCH_OP(int,__lwp_kill, (int lwp, int n), (lwp, n), 0); |
|
4680 |
CHECK_SYNCH_OP(int, _lwp_sema_wait, (lwp_sema_t* p), (p), CHECK_P(p)); |
|
4681 |
CHECK_SYNCH_OP(int,__lwp_sema_wait, (lwp_sema_t* p), (p), CHECK_P(p)); |
|
4682 |
CHECK_SYNCH_OP(int, _lwp_cond_broadcast, (lwp_cond_t* cv), (cv), CHECK_CV); |
|
4683 |
CHECK_SYNCH_OP(int,__lwp_cond_broadcast, (lwp_cond_t* cv), (cv), CHECK_CV); |
|
4684 |
||
4685 |
||
4686 |
// recording machinery: |
|
4687 |
||
4688 |
enum { RECORD_SYNCH_LIMIT = 200 }; |
|
4689 |
char* record_synch_name[RECORD_SYNCH_LIMIT]; |
|
4690 |
void* record_synch_arg0ptr[RECORD_SYNCH_LIMIT]; |
|
4691 |
bool record_synch_returning[RECORD_SYNCH_LIMIT]; |
|
4692 |
thread_t record_synch_thread[RECORD_SYNCH_LIMIT]; |
|
4693 |
int record_synch_count = 0; |
|
4694 |
bool record_synch_enabled = false; |
|
4695 |
||
4696 |
// in dbx, examine recorded data this way: |
|
4697 |
// for n in name arg0ptr returning thread; do print record_synch_$n[0..record_synch_count-1]; done |
|
4698 |
||
4699 |
void record_synch(char* name, bool returning) { |
|
4700 |
if (record_synch_enabled) { |
|
4701 |
if (record_synch_count < RECORD_SYNCH_LIMIT) { |
|
4702 |
record_synch_name[record_synch_count] = name; |
|
4703 |
record_synch_returning[record_synch_count] = returning; |
|
4704 |
record_synch_thread[record_synch_count] = thr_self(); |
|
4705 |
record_synch_arg0ptr[record_synch_count] = &name; |
|
4706 |
record_synch_count++; |
|
4707 |
} |
|
4708 |
// put more checking code here: |
|
4709 |
// ... |
|
4710 |
} |
|
4711 |
} |
|
4712 |
||
4713 |
void record_synch_enable() { |
|
4714 |
// start collecting trace data, if not already doing so |
|
4715 |
if (!record_synch_enabled) record_synch_count = 0; |
|
4716 |
record_synch_enabled = true; |
|
4717 |
} |
|
4718 |
||
4719 |
void record_synch_disable() { |
|
4720 |
// stop collecting trace data |
|
4721 |
record_synch_enabled = false; |
|
4722 |
} |
|
4723 |
||
4724 |
#endif // INTERPOSE_ON_SYSTEM_SYNCH_FUNCTIONS |
|
4725 |
#endif // PRODUCT |
|
4726 |
||
4727 |
const intptr_t thr_time_off = (intptr_t)(&((prusage_t *)(NULL))->pr_utime); |
|
4728 |
const intptr_t thr_time_size = (intptr_t)(&((prusage_t *)(NULL))->pr_ttime) - |
|
4729 |
(intptr_t)(&((prusage_t *)(NULL))->pr_utime); |
|
4730 |
||
4731 |
||
4732 |
// JVMTI & JVM monitoring and management support |
|
4733 |
// The thread_cpu_time() and current_thread_cpu_time() are only |
|
4734 |
// supported if is_thread_cpu_time_supported() returns true. |
|
4735 |
// They are not supported on Solaris T1. |
|
4736 |
||
4737 |
// current_thread_cpu_time(bool) and thread_cpu_time(Thread*, bool) |
|
4738 |
// are used by JVM M&M and JVMTI to get user+sys or user CPU time |
|
4739 |
// of a thread. |
|
4740 |
// |
|
4741 |
// current_thread_cpu_time() and thread_cpu_time(Thread *) |
|
4742 |
// returns the fast estimate available on the platform. |
|
4743 |
||
4744 |
// hrtime_t gethrvtime() return value includes |
|
4745 |
// user time but does not include system time |
|
4746 |
jlong os::current_thread_cpu_time() { |
|
4747 |
return (jlong) gethrvtime(); |
|
4748 |
} |
|
4749 |
||
4750 |
jlong os::thread_cpu_time(Thread *thread) { |
|
4751 |
// return user level CPU time only to be consistent with |
|
4752 |
// what current_thread_cpu_time returns. |
|
4753 |
// thread_cpu_time_info() must be changed if this changes |
|
4754 |
return os::thread_cpu_time(thread, false /* user time only */); |
|
4755 |
} |
|
4756 |
||
4757 |
jlong os::current_thread_cpu_time(bool user_sys_cpu_time) { |
|
4758 |
if (user_sys_cpu_time) { |
|
4759 |
return os::thread_cpu_time(Thread::current(), user_sys_cpu_time); |
|
4760 |
} else { |
|
4761 |
return os::current_thread_cpu_time(); |
|
4762 |
} |
|
4763 |
} |
|
4764 |
||
4765 |
jlong os::thread_cpu_time(Thread *thread, bool user_sys_cpu_time) { |
|
4766 |
char proc_name[64]; |
|
4767 |
int count; |
|
4768 |
prusage_t prusage; |
|
4769 |
jlong lwp_time; |
|
4770 |
int fd; |
|
4771 |
||
4772 |
sprintf(proc_name, "/proc/%d/lwp/%d/lwpusage", |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4773 |
getpid(), |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4774 |
thread->osthread()->lwp_id()); |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4775 |
fd = ::open(proc_name, O_RDONLY); |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
4776 |
if (fd == -1) return -1; |
1 | 4777 |
|
4778 |
do { |
|
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4779 |
count = ::pread(fd, |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4780 |
(void *)&prusage.pr_utime, |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4781 |
thr_time_size, |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4782 |
thr_time_off); |
1 | 4783 |
} while (count < 0 && errno == EINTR); |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
4784 |
::close(fd); |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
4785 |
if (count < 0) return -1; |
1 | 4786 |
|
4787 |
if (user_sys_cpu_time) { |
|
4788 |
// user + system CPU time |
|
4789 |
lwp_time = (((jlong)prusage.pr_stime.tv_sec + |
|
4790 |
(jlong)prusage.pr_utime.tv_sec) * (jlong)1000000000) + |
|
4791 |
(jlong)prusage.pr_stime.tv_nsec + |
|
4792 |
(jlong)prusage.pr_utime.tv_nsec; |
|
4793 |
} else { |
|
4794 |
// user level CPU time only |
|
4795 |
lwp_time = ((jlong)prusage.pr_utime.tv_sec * (jlong)1000000000) + |
|
4796 |
(jlong)prusage.pr_utime.tv_nsec; |
|
4797 |
} |
|
4798 |
||
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
4799 |
return (lwp_time); |
1 | 4800 |
} |
4801 |
||
4802 |
void os::current_thread_cpu_time_info(jvmtiTimerInfo *info_ptr) { |
|
4803 |
info_ptr->max_value = ALL_64_BITS; // will not wrap in less than 64 bits |
|
4804 |
info_ptr->may_skip_backward = false; // elapsed time not wall time |
|
4805 |
info_ptr->may_skip_forward = false; // elapsed time not wall time |
|
4806 |
info_ptr->kind = JVMTI_TIMER_USER_CPU; // only user time is returned |
|
4807 |
} |
|
4808 |
||
4809 |
void os::thread_cpu_time_info(jvmtiTimerInfo *info_ptr) { |
|
4810 |
info_ptr->max_value = ALL_64_BITS; // will not wrap in less than 64 bits |
|
4811 |
info_ptr->may_skip_backward = false; // elapsed time not wall time |
|
4812 |
info_ptr->may_skip_forward = false; // elapsed time not wall time |
|
4813 |
info_ptr->kind = JVMTI_TIMER_USER_CPU; // only user time is returned |
|
4814 |
} |
|
4815 |
||
4816 |
bool os::is_thread_cpu_time_supported() { |
|
23865 | 4817 |
return true; |
1 | 4818 |
} |
4819 |
||
4820 |
// System loadavg support. Returns -1 if load average cannot be obtained. |
|
4821 |
// Return the load average for our processor set if the primitive exists |
|
4822 |
// (Solaris 9 and later). Otherwise just return system wide loadavg. |
|
4823 |
int os::loadavg(double loadavg[], int nelem) { |
|
4824 |
if (pset_getloadavg_ptr != NULL) { |
|
4825 |
return (*pset_getloadavg_ptr)(PS_MYID, loadavg, nelem); |
|
4826 |
} else { |
|
4827 |
return ::getloadavg(loadavg, nelem); |
|
4828 |
} |
|
4829 |
} |
|
4830 |
||
4831 |
//--------------------------------------------------------------------------------- |
|
4832 |
||
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5922
diff
changeset
|
4833 |
bool os::find(address addr, outputStream* st) { |
1 | 4834 |
Dl_info dlinfo; |
4835 |
memset(&dlinfo, 0, sizeof(dlinfo)); |
|
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
4836 |
if (dladdr(addr, &dlinfo) != 0) { |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
4837 |
st->print(PTR_FORMAT ": ", addr); |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
4838 |
if (dlinfo.dli_sname != NULL && dlinfo.dli_saddr != NULL) { |
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5922
diff
changeset
|
4839 |
st->print("%s+%#lx", dlinfo.dli_sname, addr-(intptr_t)dlinfo.dli_saddr); |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4840 |
} else if (dlinfo.dli_fbase != NULL) { |
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5922
diff
changeset
|
4841 |
st->print("<offset %#lx>", addr-(intptr_t)dlinfo.dli_fbase); |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4842 |
} else { |
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5922
diff
changeset
|
4843 |
st->print("<absolute address>"); |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4844 |
} |
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
4845 |
if (dlinfo.dli_fname != NULL) { |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
4846 |
st->print(" in %s", dlinfo.dli_fname); |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
4847 |
} |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
4848 |
if (dlinfo.dli_fbase != NULL) { |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
4849 |
st->print(" at " PTR_FORMAT, dlinfo.dli_fbase); |
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
4850 |
} |
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5922
diff
changeset
|
4851 |
st->cr(); |
1 | 4852 |
|
4853 |
if (Verbose) { |
|
4854 |
// decode some bytes around the PC |
|
16670
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
16669
diff
changeset
|
4855 |
address begin = clamp_address_in_page(addr-40, addr, os::vm_page_size()); |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
16669
diff
changeset
|
4856 |
address end = clamp_address_in_page(addr+40, addr, os::vm_page_size()); |
1 | 4857 |
address lowest = (address) dlinfo.dli_sname; |
4858 |
if (!lowest) lowest = (address) dlinfo.dli_fbase; |
|
4859 |
if (begin < lowest) begin = lowest; |
|
4860 |
Dl_info dlinfo2; |
|
18683
a6418e038255
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
18086
diff
changeset
|
4861 |
if (dladdr(end, &dlinfo2) != 0 && dlinfo2.dli_saddr != dlinfo.dli_saddr |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4862 |
&& end > dlinfo2.dli_saddr && dlinfo2.dli_saddr > begin) { |
1 | 4863 |
end = (address) dlinfo2.dli_saddr; |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
4864 |
} |
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5922
diff
changeset
|
4865 |
Disassembler::decode(begin, end, st); |
1 | 4866 |
} |
4867 |
return true; |
|
4868 |
} |
|
4869 |
return false; |
|
4870 |
} |
|
4871 |
||
4872 |
// Following function has been added to support HotSparc's libjvm.so running |
|
4873 |
// under Solaris production JDK 1.2.2 / 1.3.0. These came from |
|
4874 |
// src/solaris/hpi/native_threads in the EVM codebase. |
|
4875 |
// |
|
4876 |
// NOTE: This is no longer needed in the 1.3.1 and 1.4 production release |
|
4877 |
// libraries and should thus be removed. We will leave it behind for a while |
|
4878 |
// until we no longer want to able to run on top of 1.3.0 Solaris production |
|
4879 |
// JDK. See 4341971. |
|
4880 |
||
4881 |
#define STACK_SLACK 0x800 |
|
4882 |
||
4883 |
extern "C" { |
|
4884 |
intptr_t sysThreadAvailableStackWithSlack() { |
|
4885 |
stack_t st; |
|
4886 |
intptr_t retval, stack_top; |
|
4887 |
retval = thr_stksegment(&st); |
|
4888 |
assert(retval == 0, "incorrect return value from thr_stksegment"); |
|
4889 |
assert((address)&st < (address)st.ss_sp, "Invalid stack base returned"); |
|
4890 |
assert((address)&st > (address)st.ss_sp-st.ss_size, "Invalid stack size returned"); |
|
4891 |
stack_top=(intptr_t)st.ss_sp-st.ss_size; |
|
4892 |
return ((intptr_t)&stack_top - stack_top - STACK_SLACK); |
|
4893 |
} |
|
4894 |
} |
|
4895 |
||
4896 |
// ObjectMonitor park-unpark infrastructure ... |
|
4897 |
// |
|
4898 |
// We implement Solaris and Linux PlatformEvents with the |
|
4899 |
// obvious condvar-mutex-flag triple. |
|
4900 |
// Another alternative that works quite well is pipes: |
|
4901 |
// Each PlatformEvent consists of a pipe-pair. |
|
4902 |
// The thread associated with the PlatformEvent |
|
4903 |
// calls park(), which reads from the input end of the pipe. |
|
4904 |
// Unpark() writes into the other end of the pipe. |
|
4905 |
// The write-side of the pipe must be set NDELAY. |
|
4906 |
// Unfortunately pipes consume a large # of handles. |
|
4907 |
// Native solaris lwp_park() and lwp_unpark() work nicely, too. |
|
4908 |
// Using pipes for the 1st few threads might be workable, however. |
|
4909 |
// |
|
4910 |
// park() is permitted to return spuriously. |
|
4911 |
// Callers of park() should wrap the call to park() in |
|
4912 |
// an appropriate loop. A litmus test for the correct |
|
4913 |
// usage of park is the following: if park() were modified |
|
4914 |
// to immediately return 0 your code should still work, |
|
4915 |
// albeit degenerating to a spin loop. |
|
4916 |
// |
|
27458
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4917 |
// In a sense, park()-unpark() just provides more polite spinning |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4918 |
// and polling with the key difference over naive spinning being |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4919 |
// that a parked thread needs to be explicitly unparked() in order |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4920 |
// to wake up and to poll the underlying condition. |
1 | 4921 |
// |
27458
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4922 |
// Assumption: |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4923 |
// 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
|
4924 |
// them per-thread. Multiple unparkers can coexist. |
1 | 4925 |
// |
4926 |
// _Event transitions in park() |
|
4927 |
// -1 => -1 : illegal |
|
4928 |
// 1 => 0 : pass - return immediately |
|
27458
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4929 |
// 0 => -1 : block; then set _Event to 0 before returning |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4930 |
// |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4931 |
// _Event transitions in unpark() |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4932 |
// 0 => 1 : just return |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4933 |
// 1 => 1 : just return |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4934 |
// -1 => either 0 or 1; must signal target thread |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4935 |
// That is, we can safely transition _Event from -1 to either |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4936 |
// 0 or 1. |
1 | 4937 |
// |
4938 |
// _Event serves as a restricted-range semaphore. |
|
27458
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4939 |
// -1 : thread is blocked, i.e. there is a waiter |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4940 |
// 0 : neutral: thread is running or ready, |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4941 |
// could have been signaled after a wait started |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
4942 |
// 1 : signaled - thread is running or ready |
1 | 4943 |
// |
4944 |
// Another possible encoding of _Event would be with |
|
4945 |
// explicit "PARKED" == 01b and "SIGNALED" == 10b bits. |
|
4946 |
// |
|
4947 |
// TODO-FIXME: add DTRACE probes for: |
|
4948 |
// 1. Tx parks |
|
4949 |
// 2. Ty unparks Tx |
|
4950 |
// 3. Tx resumes from park |
|
4951 |
||
4952 |
||
4953 |
// value determined through experimentation |
|
4954 |
#define ROUNDINGFIX 11 |
|
4955 |
||
4956 |
// utility to compute the abstime argument to timedwait. |
|
4957 |
// TODO-FIXME: switch from compute_abstime() to unpackTime(). |
|
4958 |
||
4959 |
static timestruc_t* compute_abstime(timestruc_t* abstime, jlong millis) { |
|
4960 |
// millis is the relative timeout time |
|
4961 |
// abstime will be the absolute timeout time |
|
4962 |
if (millis < 0) millis = 0; |
|
4963 |
struct timeval now; |
|
4964 |
int status = gettimeofday(&now, NULL); |
|
4965 |
assert(status == 0, "gettimeofday"); |
|
4966 |
jlong seconds = millis / 1000; |
|
4967 |
jlong max_wait_period; |
|
4968 |
||
4969 |
if (UseLWPSynchronization) { |
|
4970 |
// forward port of fix for 4275818 (not sleeping long enough) |
|
4971 |
// There was a bug in Solaris 6, 7 and pre-patch 5 of 8 where |
|
4972 |
// _lwp_cond_timedwait() used a round_down algorithm rather |
|
4973 |
// than a round_up. For millis less than our roundfactor |
|
4974 |
// it rounded down to 0 which doesn't meet the spec. |
|
4975 |
// For millis > roundfactor we may return a bit sooner, but |
|
4976 |
// since we can not accurately identify the patch level and |
|
4977 |
// this has already been fixed in Solaris 9 and 8 we will |
|
4978 |
// leave it alone rather than always rounding down. |
|
4979 |
||
4980 |
if (millis > 0 && millis < ROUNDINGFIX) millis = ROUNDINGFIX; |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
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parents:
25719
diff
changeset
|
4981 |
// It appears that when we go directly through Solaris _lwp_cond_timedwait() |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4982 |
// the acceptable max time threshold is smaller than for libthread on 2.5.1 and 2.6 |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4983 |
max_wait_period = 21000000; |
1 | 4984 |
} else { |
4985 |
max_wait_period = 50000000; |
|
4986 |
} |
|
4987 |
millis %= 1000; |
|
4988 |
if (seconds > max_wait_period) { // see man cond_timedwait(3T) |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
4989 |
seconds = max_wait_period; |
1 | 4990 |
} |
4991 |
abstime->tv_sec = now.tv_sec + seconds; |
|
4992 |
long usec = now.tv_usec + millis * 1000; |
|
4993 |
if (usec >= 1000000) { |
|
4994 |
abstime->tv_sec += 1; |
|
4995 |
usec -= 1000000; |
|
4996 |
} |
|
4997 |
abstime->tv_nsec = usec * 1000; |
|
4998 |
return abstime; |
|
4999 |
} |
|
5000 |
||
5001 |
void os::PlatformEvent::park() { // AKA: down() |
|
27458
eb5f1b4f01e1
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dcubed
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27400
diff
changeset
|
5002 |
// Transitions for _Event: |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5003 |
// -1 => -1 : illegal |
eb5f1b4f01e1
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dcubed
parents:
27400
diff
changeset
|
5004 |
// 1 => 0 : pass - return immediately |
eb5f1b4f01e1
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dcubed
parents:
27400
diff
changeset
|
5005 |
// 0 => -1 : block; then set _Event to 0 before returning |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5006 |
|
1 | 5007 |
// Invariant: Only the thread associated with the Event/PlatformEvent |
5008 |
// may call park(). |
|
25472
381638db28e6
8047104: cleanup misc issues prior to Contended Locking reorder and cache
dcubed
parents:
25468
diff
changeset
|
5009 |
assert(_nParked == 0, "invariant"); |
381638db28e6
8047104: cleanup misc issues prior to Contended Locking reorder and cache
dcubed
parents:
25468
diff
changeset
|
5010 |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5011 |
int v; |
1 | 5012 |
for (;;) { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5013 |
v = _Event; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5014 |
if (Atomic::cmpxchg(v-1, &_Event, v) == v) break; |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5015 |
} |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5016 |
guarantee(v >= 0, "invariant"); |
1 | 5017 |
if (v == 0) { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5018 |
// 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:
25719
diff
changeset
|
5019 |
// See http://monaco.sfbay/detail.jsf?cr=5094058. |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5020 |
int status = os::Solaris::mutex_lock(_mutex); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5021 |
assert_status(status == 0, status, "mutex_lock"); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5022 |
guarantee(_nParked == 0, "invariant"); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5023 |
++_nParked; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5024 |
while (_Event < 0) { |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5025 |
// for some reason, under 2.7 lwp_cond_wait() may return ETIME ... |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5026 |
// Treat this the same as if the wait was interrupted |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5027 |
// With usr/lib/lwp going to kernel, always handle ETIME |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5028 |
status = os::Solaris::cond_wait(_cond, _mutex); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5029 |
if (status == ETIME) status = EINTR; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5030 |
assert_status(status == 0 || status == EINTR, status, "cond_wait"); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5031 |
} |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5032 |
--_nParked; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5033 |
_Event = 0; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5034 |
status = os::Solaris::mutex_unlock(_mutex); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5035 |
assert_status(status == 0, status, "mutex_unlock"); |
15234
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5036 |
// Paranoia to ensure our locked and lock-free paths interact |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5037 |
// correctly with each other. |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5038 |
OrderAccess::fence(); |
1 | 5039 |
} |
5040 |
} |
|
5041 |
||
5042 |
int os::PlatformEvent::park(jlong millis) { |
|
27458
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5043 |
// Transitions for _Event: |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5044 |
// -1 => -1 : illegal |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5045 |
// 1 => 0 : pass - return immediately |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5046 |
// 0 => -1 : block; then set _Event to 0 before returning |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5047 |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5048 |
guarantee(_nParked == 0, "invariant"); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5049 |
int v; |
1 | 5050 |
for (;;) { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5051 |
v = _Event; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5052 |
if (Atomic::cmpxchg(v-1, &_Event, v) == v) break; |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5053 |
} |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5054 |
guarantee(v >= 0, "invariant"); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5055 |
if (v != 0) return OS_OK; |
1 | 5056 |
|
5057 |
int ret = OS_TIMEOUT; |
|
5058 |
timestruc_t abst; |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5059 |
compute_abstime(&abst, millis); |
1 | 5060 |
|
5061 |
// See http://monaco.sfbay/detail.jsf?cr=5094058. |
|
5062 |
int status = os::Solaris::mutex_lock(_mutex); |
|
5063 |
assert_status(status == 0, status, "mutex_lock"); |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5064 |
guarantee(_nParked == 0, "invariant"); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5065 |
++_nParked; |
1 | 5066 |
while (_Event < 0) { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5067 |
int status = os::Solaris::cond_timedwait(_cond, _mutex, &abst); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5068 |
assert_status(status == 0 || status == EINTR || |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5069 |
status == ETIME || status == ETIMEDOUT, |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5070 |
status, "cond_timedwait"); |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5071 |
if (!FilterSpuriousWakeups) break; // previous semantics |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5072 |
if (status == ETIME || status == ETIMEDOUT) break; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5073 |
// We consume and ignore EINTR and spurious wakeups. |
1 | 5074 |
} |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5075 |
--_nParked; |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5076 |
if (_Event >= 0) ret = OS_OK; |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5077 |
_Event = 0; |
1 | 5078 |
status = os::Solaris::mutex_unlock(_mutex); |
5079 |
assert_status(status == 0, status, "mutex_unlock"); |
|
15234
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5080 |
// Paranoia to ensure our locked and lock-free paths interact |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5081 |
// correctly with each other. |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5082 |
OrderAccess::fence(); |
1 | 5083 |
return ret; |
5084 |
} |
|
5085 |
||
5086 |
void os::PlatformEvent::unpark() { |
|
15234
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5087 |
// Transitions for _Event: |
27458
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5088 |
// 0 => 1 : just return |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5089 |
// 1 => 1 : just return |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5090 |
// -1 => either 0 or 1; must signal target thread |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5091 |
// That is, we can safely transition _Event from -1 to either |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5092 |
// 0 or 1. |
15234
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5093 |
// See also: "Semaphores in Plan 9" by Mullender & Cox |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5094 |
// |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5095 |
// Note: Forcing a transition from "-1" to "1" on an unpark() means |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5096 |
// 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:
15096
diff
changeset
|
5097 |
// thread to block. This has the benefit of forcing a spurious return |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5098 |
// from the first park() call after an unpark() call which will help |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5099 |
// shake out uses of park() and unpark() without condition variables. |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5100 |
|
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5101 |
if (Atomic::xchg(1, &_Event) >= 0) return; |
1 | 5102 |
|
5103 |
// If the thread associated with the event was parked, wake it. |
|
15234
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5104 |
// Wait for the thread assoc with the PlatformEvent to vacate. |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5105 |
int status = os::Solaris::mutex_lock(_mutex); |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5106 |
assert_status(status == 0, status, "mutex_lock"); |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5107 |
int AnyWaiters = _nParked; |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5108 |
status = os::Solaris::mutex_unlock(_mutex); |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5109 |
assert_status(status == 0, status, "mutex_unlock"); |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5110 |
guarantee(AnyWaiters == 0 || AnyWaiters == 1, "invariant"); |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5111 |
if (AnyWaiters != 0) { |
27458
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5112 |
// Note that we signal() *after* dropping the lock for "immortal" Events. |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5113 |
// This is safe and avoids a common class of futile wakeups. In rare |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5114 |
// circumstances this can cause a thread to return prematurely from |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5115 |
// cond_{timed}wait() but the spurious wakeup is benign and the victim |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5116 |
// will simply re-test the condition and re-park itself. |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5117 |
// This provides particular benefit if the underlying platform does not |
eb5f1b4f01e1
8061552: Contended Locking speedup PlatformEvent unpark bucket
dcubed
parents:
27400
diff
changeset
|
5118 |
// provide wait morphing. |
15234
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5119 |
status = os::Solaris::cond_signal(_cond); |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5120 |
assert_status(status == 0, status, "cond_signal"); |
1 | 5121 |
} |
5122 |
} |
|
5123 |
||
5124 |
// JSR166 |
|
5125 |
// ------------------------------------------------------- |
|
5126 |
||
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5127 |
// The solaris and linux implementations of park/unpark are fairly |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5128 |
// conservative for now, but can be improved. They currently use a |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5129 |
// mutex/condvar pair, plus _counter. |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5130 |
// Park decrements _counter if > 0, else does a condvar wait. Unpark |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5131 |
// sets count to 1 and signals condvar. Only one thread ever waits |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5132 |
// on the condvar. Contention seen when trying to park implies that someone |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5133 |
// is unparking you, so don't wait. And spurious returns are fine, so there |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5134 |
// is no need to track notifications. |
1 | 5135 |
|
5136 |
#define MAX_SECS 100000000 |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5137 |
|
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5138 |
// This code is common to linux and solaris and will be moved to a |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5139 |
// common place in dolphin. |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5140 |
// |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5141 |
// The passed in time value is either a relative time in nanoseconds |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5142 |
// or an absolute time in milliseconds. Either way it has to be unpacked |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5143 |
// into suitable seconds and nanoseconds components and stored in the |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5144 |
// given timespec structure. |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5145 |
// Given time is a 64-bit value and the time_t used in the timespec is only |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5146 |
// a signed-32-bit value (except on 64-bit Linux) we have to watch for |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5147 |
// overflow if times way in the future are given. Further on Solaris versions |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5148 |
// prior to 10 there is a restriction (see cond_timedwait) that the specified |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5149 |
// number of seconds, in abstime, is less than current_time + 100,000,000. |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5150 |
// As it will be 28 years before "now + 100000000" will overflow we can |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5151 |
// ignore overflow and just impose a hard-limit on seconds using the value |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5152 |
// of "now + 100,000,000". This places a limit on the timeout of about 3.17 |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5153 |
// years from "now". |
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5154 |
// |
1 | 5155 |
static void unpackTime(timespec* absTime, bool isAbsolute, jlong time) { |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5156 |
assert(time > 0, "convertTime"); |
1 | 5157 |
|
5158 |
struct timeval now; |
|
5159 |
int status = gettimeofday(&now, NULL); |
|
5160 |
assert(status == 0, "gettimeofday"); |
|
5161 |
||
5162 |
time_t max_secs = now.tv_sec + MAX_SECS; |
|
5163 |
||
5164 |
if (isAbsolute) { |
|
5165 |
jlong secs = time / 1000; |
|
5166 |
if (secs > max_secs) { |
|
5167 |
absTime->tv_sec = max_secs; |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5168 |
} else { |
1 | 5169 |
absTime->tv_sec = secs; |
5170 |
} |
|
5171 |
absTime->tv_nsec = (time % 1000) * NANOSECS_PER_MILLISEC; |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5172 |
} else { |
1 | 5173 |
jlong secs = time / NANOSECS_PER_SEC; |
5174 |
if (secs >= MAX_SECS) { |
|
5175 |
absTime->tv_sec = max_secs; |
|
5176 |
absTime->tv_nsec = 0; |
|
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5177 |
} else { |
1 | 5178 |
absTime->tv_sec = now.tv_sec + secs; |
5179 |
absTime->tv_nsec = (time % NANOSECS_PER_SEC) + now.tv_usec*1000; |
|
5180 |
if (absTime->tv_nsec >= NANOSECS_PER_SEC) { |
|
5181 |
absTime->tv_nsec -= NANOSECS_PER_SEC; |
|
5182 |
++absTime->tv_sec; // note: this must be <= max_secs |
|
5183 |
} |
|
5184 |
} |
|
5185 |
} |
|
5186 |
assert(absTime->tv_sec >= 0, "tv_sec < 0"); |
|
5187 |
assert(absTime->tv_sec <= max_secs, "tv_sec > max_secs"); |
|
5188 |
assert(absTime->tv_nsec >= 0, "tv_nsec < 0"); |
|
5189 |
assert(absTime->tv_nsec < NANOSECS_PER_SEC, "tv_nsec >= nanos_per_sec"); |
|
5190 |
} |
|
5191 |
||
5192 |
void Parker::park(bool isAbsolute, jlong time) { |
|
15234
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5193 |
// Ideally we'd do something useful while spinning, such |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5194 |
// as calling unpackTime(). |
1 | 5195 |
|
5196 |
// Optional fast-path check: |
|
5197 |
// Return immediately if a permit is available. |
|
15234
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5198 |
// We depend on Atomic::xchg() having full barrier semantics |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5199 |
// since we are doing a lock-free update to _counter. |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5200 |
if (Atomic::xchg(0, &_counter) > 0) return; |
1 | 5201 |
|
5202 |
// Optional fast-exit: Check interrupt before trying to wait |
|
5203 |
Thread* thread = Thread::current(); |
|
5204 |
assert(thread->is_Java_thread(), "Must be JavaThread"); |
|
5205 |
JavaThread *jt = (JavaThread *)thread; |
|
5206 |
if (Thread::is_interrupted(thread, false)) { |
|
5207 |
return; |
|
5208 |
} |
|
5209 |
||
5210 |
// First, demultiplex/decode time arguments |
|
5211 |
timespec absTime; |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5212 |
if (time < 0 || (isAbsolute && time == 0)) { // don't wait at all |
1 | 5213 |
return; |
5214 |
} |
|
5215 |
if (time > 0) { |
|
5216 |
// Warning: this code might be exposed to the old Solaris time |
|
5217 |
// round-down bugs. Grep "roundingFix" for details. |
|
5218 |
unpackTime(&absTime, isAbsolute, time); |
|
5219 |
} |
|
5220 |
||
5221 |
// Enter safepoint region |
|
5222 |
// Beware of deadlocks such as 6317397. |
|
5223 |
// The per-thread Parker:: _mutex is a classic leaf-lock. |
|
5224 |
// In particular a thread must never block on the Threads_lock while |
|
5225 |
// holding the Parker:: mutex. If safepoints are pending both the |
|
5226 |
// the ThreadBlockInVM() CTOR and DTOR may grab Threads_lock. |
|
5227 |
ThreadBlockInVM tbivm(jt); |
|
5228 |
||
5229 |
// Don't wait if cannot get lock since interference arises from |
|
5230 |
// unblocking. Also. check interrupt before trying wait |
|
5231 |
if (Thread::is_interrupted(thread, false) || |
|
5232 |
os::Solaris::mutex_trylock(_mutex) != 0) { |
|
5233 |
return; |
|
5234 |
} |
|
5235 |
||
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5236 |
int status; |
1 | 5237 |
|
5238 |
if (_counter > 0) { // no wait needed |
|
5239 |
_counter = 0; |
|
5240 |
status = os::Solaris::mutex_unlock(_mutex); |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5241 |
assert(status == 0, "invariant"); |
15234
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5242 |
// Paranoia to ensure our locked and lock-free paths interact |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5243 |
// correctly with each other and Java-level accesses. |
4487
de1359156181
6822370: ReentrantReadWriteLock: threads hung when there are no threads holding onto the lock (Netra x4450)
dholmes
parents:
3594
diff
changeset
|
5244 |
OrderAccess::fence(); |
1 | 5245 |
return; |
5246 |
} |
|
5247 |
||
5248 |
OSThreadWaitState osts(thread->osthread(), false /* not Object.wait() */); |
|
5249 |
jt->set_suspend_equivalent(); |
|
5250 |
// cleared by handle_special_suspend_equivalent_condition() or java_suspend_self() |
|
5251 |
||
5252 |
// Do this the hard way by blocking ... |
|
5253 |
// See http://monaco.sfbay/detail.jsf?cr=5094058. |
|
5254 |
if (time == 0) { |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5255 |
status = os::Solaris::cond_wait(_cond, _mutex); |
1 | 5256 |
} else { |
5257 |
status = os::Solaris::cond_timedwait (_cond, _mutex, &absTime); |
|
5258 |
} |
|
5259 |
// Note that an untimed cond_wait() can sometimes return ETIME on older |
|
5260 |
// versions of the Solaris. |
|
5261 |
assert_status(status == 0 || status == EINTR || |
|
5262 |
status == ETIME || status == ETIMEDOUT, |
|
5263 |
status, "cond_timedwait"); |
|
5264 |
||
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5265 |
_counter = 0; |
1 | 5266 |
status = os::Solaris::mutex_unlock(_mutex); |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5267 |
assert_status(status == 0, status, "mutex_unlock"); |
15234
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5268 |
// Paranoia to ensure our locked and lock-free paths interact |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5269 |
// correctly with each other and Java-level accesses. |
ff1f01be5fbd
8004902: correctness fixes motivated by contended locking work (6607129)
dcubed
parents:
15096
diff
changeset
|
5270 |
OrderAccess::fence(); |
1 | 5271 |
|
5272 |
// If externally suspended while waiting, re-suspend |
|
5273 |
if (jt->handle_special_suspend_equivalent_condition()) { |
|
5274 |
jt->java_suspend_self(); |
|
5275 |
} |
|
5276 |
} |
|
5277 |
||
5278 |
void Parker::unpark() { |
|
25472
381638db28e6
8047104: cleanup misc issues prior to Contended Locking reorder and cache
dcubed
parents:
25468
diff
changeset
|
5279 |
int status = os::Solaris::mutex_lock(_mutex); |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5280 |
assert(status == 0, "invariant"); |
25472
381638db28e6
8047104: cleanup misc issues prior to Contended Locking reorder and cache
dcubed
parents:
25468
diff
changeset
|
5281 |
const int s = _counter; |
1 | 5282 |
_counter = 1; |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5283 |
status = os::Solaris::mutex_unlock(_mutex); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5284 |
assert(status == 0, "invariant"); |
1 | 5285 |
|
5286 |
if (s < 1) { |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5287 |
status = os::Solaris::cond_signal(_cond); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24351
diff
changeset
|
5288 |
assert(status == 0, "invariant"); |
1 | 5289 |
} |
5290 |
} |
|
5291 |
||
5292 |
extern char** environ; |
|
5293 |
||
5294 |
// Run the specified command in a separate process. Return its exit value, |
|
5295 |
// or -1 on failure (e.g. can't fork a new process). |
|
5296 |
// Unlike system(), this function can be called from signal handler. It |
|
5297 |
// doesn't block SIGINT et al. |
|
5298 |
int os::fork_and_exec(char* cmd) { |
|
5299 |
char * argv[4]; |
|
5300 |
argv[0] = (char *)"sh"; |
|
5301 |
argv[1] = (char *)"-c"; |
|
5302 |
argv[2] = cmd; |
|
5303 |
argv[3] = NULL; |
|
5304 |
||
5305 |
// fork is async-safe, fork1 is not so can't use in signal handler |
|
5306 |
pid_t pid; |
|
34633
2a6c7c7b30a7
8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents:
34621
diff
changeset
|
5307 |
Thread* t = Thread::current_or_null_safe(); |
1 | 5308 |
if (t != NULL && t->is_inside_signal_handler()) { |
5309 |
pid = fork(); |
|
5310 |
} else { |
|
5311 |
pid = fork1(); |
|
5312 |
} |
|
5313 |
||
5314 |
if (pid < 0) { |
|
5315 |
// fork failed |
|
37113 | 5316 |
warning("fork failed: %s", os::strerror(errno)); |
1 | 5317 |
return -1; |
5318 |
||
5319 |
} else if (pid == 0) { |
|
5320 |
// child process |
|
5321 |
||
5322 |
// try to be consistent with system(), which uses "/usr/bin/sh" on Solaris |
|
5323 |
execve("/usr/bin/sh", argv, environ); |
|
5324 |
||
5325 |
// execve failed |
|
5326 |
_exit(-1); |
|
5327 |
||
5328 |
} else { |
|
5329 |
// copied from J2SE ..._waitForProcessExit() in UNIXProcess_md.c; we don't |
|
5330 |
// care about the actual exit code, for now. |
|
5331 |
||
5332 |
int status; |
|
5333 |
||
5334 |
// Wait for the child process to exit. This returns immediately if |
|
5335 |
// the child has already exited. */ |
|
5336 |
while (waitpid(pid, &status, 0) < 0) { |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5337 |
switch (errno) { |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5338 |
case ECHILD: return 0; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5339 |
case EINTR: break; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5340 |
default: return -1; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5341 |
} |
1 | 5342 |
} |
5343 |
||
5344 |
if (WIFEXITED(status)) { |
|
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5345 |
// The child exited normally; get its exit code. |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5346 |
return WEXITSTATUS(status); |
1 | 5347 |
} else if (WIFSIGNALED(status)) { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5348 |
// The child exited because of a signal |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5349 |
// The best value to return is 0x80 + signal number, |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5350 |
// because that is what all Unix shells do, and because |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5351 |
// it allows callers to distinguish between process exit and |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5352 |
// process death by signal. |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5353 |
return 0x80 + WTERMSIG(status); |
1 | 5354 |
} else { |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5355 |
// Unknown exit code; pass it through |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5356 |
return status; |
1 | 5357 |
} |
5358 |
} |
|
5359 |
} |
|
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5922
diff
changeset
|
5360 |
|
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5361 |
size_t os::write(int fd, const void *buf, unsigned int nBytes) { |
23443
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5362 |
size_t res; |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5363 |
RESTARTABLE((size_t) ::write(fd, buf, (size_t) nBytes), res); |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5364 |
return res; |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5365 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5366 |
|
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5367 |
int os::close(int fd) { |
18078
10417cf9967d
7178026: os::close can restart ::close but that is not a restartable syscall
rdurbin
parents:
18069
diff
changeset
|
5368 |
return ::close(fd); |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5369 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5370 |
|
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5371 |
int os::socket_close(int fd) { |
18078
10417cf9967d
7178026: os::close can restart ::close but that is not a restartable syscall
rdurbin
parents:
18069
diff
changeset
|
5372 |
return ::close(fd); |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5373 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5374 |
|
11256
025cd1741566
7091417: recvfrom's 6th input should be of type socklen_t
phh
parents:
11161
diff
changeset
|
5375 |
int os::recv(int fd, char* buf, size_t nBytes, uint flags) { |
23443
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5376 |
assert(((JavaThread*)Thread::current())->thread_state() == _thread_in_native, |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5377 |
"Assumed _thread_in_native"); |
23443
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5378 |
RESTARTABLE_RETURN_INT((int)::recv(fd, buf, nBytes, flags)); |
11256
025cd1741566
7091417: recvfrom's 6th input should be of type socklen_t
phh
parents:
11161
diff
changeset
|
5379 |
} |
025cd1741566
7091417: recvfrom's 6th input should be of type socklen_t
phh
parents:
11161
diff
changeset
|
5380 |
|
025cd1741566
7091417: recvfrom's 6th input should be of type socklen_t
phh
parents:
11161
diff
changeset
|
5381 |
int os::send(int fd, char* buf, size_t nBytes, uint flags) { |
23443
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5382 |
assert(((JavaThread*)Thread::current())->thread_state() == _thread_in_native, |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5383 |
"Assumed _thread_in_native"); |
23443
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5384 |
RESTARTABLE_RETURN_INT((int)::send(fd, buf, nBytes, flags)); |
11256
025cd1741566
7091417: recvfrom's 6th input should be of type socklen_t
phh
parents:
11161
diff
changeset
|
5385 |
} |
025cd1741566
7091417: recvfrom's 6th input should be of type socklen_t
phh
parents:
11161
diff
changeset
|
5386 |
|
025cd1741566
7091417: recvfrom's 6th input should be of type socklen_t
phh
parents:
11161
diff
changeset
|
5387 |
int os::raw_send(int fd, char* buf, size_t nBytes, uint flags) { |
025cd1741566
7091417: recvfrom's 6th input should be of type socklen_t
phh
parents:
11161
diff
changeset
|
5388 |
RESTARTABLE_RETURN_INT((int)::send(fd, buf, nBytes, flags)); |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5389 |
} |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5390 |
|
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5391 |
// As both poll and select can be interrupted by signals, we have to be |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5392 |
// prepared to restart the system call after updating the timeout, unless |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5393 |
// a poll() is done with timeout == -1, in which case we repeat with this |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5394 |
// "wait forever" value. |
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5395 |
|
11256
025cd1741566
7091417: recvfrom's 6th input should be of type socklen_t
phh
parents:
11161
diff
changeset
|
5396 |
int os::connect(int fd, struct sockaddr *him, socklen_t len) { |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5397 |
int _result; |
23443
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5398 |
_result = ::connect(fd, him, len); |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5399 |
|
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5400 |
// On Solaris, when a connect() call is interrupted, the connection |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5401 |
// can be established asynchronously (see 6343810). Subsequent calls |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5402 |
// to connect() must check the errno value which has the semantic |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5403 |
// described below (copied from the connect() man page). Handling |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5404 |
// of asynchronously established connections is required for both |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5405 |
// blocking and non-blocking sockets. |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5406 |
// EINTR The connection attempt was interrupted |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5407 |
// before any data arrived by the delivery of |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5408 |
// a signal. The connection, however, will be |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5409 |
// established asynchronously. |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5410 |
// |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5411 |
// EINPROGRESS The socket is non-blocking, and the connec- |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5412 |
// tion cannot be completed immediately. |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5413 |
// |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5414 |
// EALREADY The socket is non-blocking, and a previous |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5415 |
// connection attempt has not yet been com- |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5416 |
// pleted. |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5417 |
// |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5418 |
// EISCONN The socket is already connected. |
15e8ed68f73a
8036128: Remove deprecated VM flag UseVMInterruptibleIO
fparain
parents:
22894
diff
changeset
|
5419 |
if (_result == OS_ERR && errno == EINTR) { |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5420 |
// restarting a connect() changes its errno semantics |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5421 |
RESTARTABLE(::connect(fd, him, len), _result); |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5422 |
// undo these changes |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5423 |
if (_result == OS_ERR) { |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5424 |
if (errno == EALREADY) { |
26684
d1221849ea3d
8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
26683
diff
changeset
|
5425 |
errno = EINPROGRESS; // fall through |
26683
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5426 |
} else if (errno == EISCONN) { |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5427 |
errno = 0; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5428 |
return OS_OK; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5429 |
} |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5430 |
} |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5431 |
} |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5432 |
return _result; |
a02753d5a0b2
8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
dcubed
parents:
25719
diff
changeset
|
5433 |
} |
7405
e6fc8d3926f8
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
7397
diff
changeset
|
5434 |
|
13198
271c557a7623
7129724: MAC: Core file location is wrong in crash report
mikael
parents:
13195
diff
changeset
|
5435 |
// Get the default path to the core file |
271c557a7623
7129724: MAC: Core file location is wrong in crash report
mikael
parents:
13195
diff
changeset
|
5436 |
// Returns the length of the string |
271c557a7623
7129724: MAC: Core file location is wrong in crash report
mikael
parents:
13195
diff
changeset
|
5437 |
int os::get_core_path(char* buffer, size_t bufferSize) { |
271c557a7623
7129724: MAC: Core file location is wrong in crash report
mikael
parents:
13195
diff
changeset
|
5438 |
const char* p = get_current_directory(buffer, bufferSize); |
271c557a7623
7129724: MAC: Core file location is wrong in crash report
mikael
parents:
13195
diff
changeset
|
5439 |
|
271c557a7623
7129724: MAC: Core file location is wrong in crash report
mikael
parents:
13195
diff
changeset
|
5440 |
if (p == NULL) { |
271c557a7623
7129724: MAC: Core file location is wrong in crash report
mikael
parents:
13195
diff
changeset
|
5441 |
assert(p != NULL, "failed to get current directory"); |
271c557a7623
7129724: MAC: Core file location is wrong in crash report
mikael
parents:
13195
diff
changeset
|
5442 |
return 0; |
271c557a7623
7129724: MAC: Core file location is wrong in crash report
mikael
parents:
13195
diff
changeset
|
5443 |
} |
271c557a7623
7129724: MAC: Core file location is wrong in crash report
mikael
parents:
13195
diff
changeset
|
5444 |
|
28172
19ae5c844e75
8059586: hs_err report should treat redirected core pattern
dholmes
parents:
27926
diff
changeset
|
5445 |
jio_snprintf(buffer, bufferSize, "%s/core or core.%d", |
19ae5c844e75
8059586: hs_err report should treat redirected core pattern
dholmes
parents:
27926
diff
changeset
|
5446 |
p, current_process_id()); |
19ae5c844e75
8059586: hs_err report should treat redirected core pattern
dholmes
parents:
27926
diff
changeset
|
5447 |
|
13198
271c557a7623
7129724: MAC: Core file location is wrong in crash report
mikael
parents:
13195
diff
changeset
|
5448 |
return strlen(buffer); |
271c557a7623
7129724: MAC: Core file location is wrong in crash report
mikael
parents:
13195
diff
changeset
|
5449 |
} |
19546
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
18703
diff
changeset
|
5450 |
|
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
18703
diff
changeset
|
5451 |
#ifndef PRODUCT |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
18703
diff
changeset
|
5452 |
void TestReserveMemorySpecial_test() { |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
18703
diff
changeset
|
5453 |
// No tests available for this platform |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
18703
diff
changeset
|
5454 |
} |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
18703
diff
changeset
|
5455 |
#endif |
34305
e399e6b44631
8136978: Much nearly duplicated code for vmError support
sebastian
parents:
34142
diff
changeset
|
5456 |
|
e399e6b44631
8136978: Much nearly duplicated code for vmError support
sebastian
parents:
34142
diff
changeset
|
5457 |
bool os::start_debugging(char *buf, int buflen) { |
e399e6b44631
8136978: Much nearly duplicated code for vmError support
sebastian
parents:
34142
diff
changeset
|
5458 |
int len = (int)strlen(buf); |
e399e6b44631
8136978: Much nearly duplicated code for vmError support
sebastian
parents:
34142
diff
changeset
|
5459 |
char *p = &buf[len]; |
e399e6b44631
8136978: Much nearly duplicated code for vmError support
sebastian
parents:
34142
diff
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|
5460 |
|
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5461 |
jio_snprintf(p, buflen-len, |
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8136978: Much nearly duplicated code for vmError support
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5462 |
"\n\n" |
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5463 |
"Do you want to debug the problem?\n\n" |
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5464 |
"To debug, run 'dbx - %d'; then switch to thread " INTX_FORMAT "\n" |
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5465 |
"Enter 'yes' to launch dbx automatically (PATH must include dbx)\n" |
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5466 |
"Otherwise, press RETURN to abort...", |
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5467 |
os::current_process_id(), os::current_thread_id()); |
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8136978: Much nearly duplicated code for vmError support
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|
5468 |
|
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5469 |
bool yes = os::message_box("Unexpected Error", buf); |
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|
5470 |
|
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5471 |
if (yes) { |
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5472 |
// yes, user asked VM to launch debugger |
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5473 |
jio_snprintf(buf, sizeof(buf), "dbx - %d", os::current_process_id()); |
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8136978: Much nearly duplicated code for vmError support
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|
5474 |
|
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|
5475 |
os::fork_and_exec(buf); |
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|
5476 |
yes = false; |
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|
5477 |
} |
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|
5478 |
return yes; |
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|
5479 |
} |