osThread_linux.cpp revision 2073:b92c45f2bc75
131492Swollman/*
250479Speter * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
31553Srgrimes * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4321275Sngie *
580029Sobrien * This code is free software; you can redistribute it and/or modify it
680029Sobrien * under the terms of the GNU General Public License version 2 only, as
780029Sobrien * published by the Free Software Foundation.
81553Srgrimes *
980029Sobrien * This code is distributed in the hope that it will be useful, but WITHOUT
1083391Sru * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
111553Srgrimes * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
1280029Sobrien * version 2 for more details (a copy is included in the LICENSE file that
1380029Sobrien * accompanied this code).
14321275Sngie *
1580029Sobrien * You should have received a copy of the GNU General Public License version
16201390Sed * 2 along with this work; if not, write to the Free Software Foundation,
17201390Sed * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1834160Sbde *
1934160Sbde * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 *
23 */
24
25// no precompiled headers
26#include "runtime/atomic.hpp"
27#include "runtime/handles.inline.hpp"
28#include "runtime/mutexLocker.hpp"
29#include "runtime/os.hpp"
30#include "runtime/osThread.hpp"
31#include "runtime/safepoint.hpp"
32#include "runtime/vmThread.hpp"
33#ifdef TARGET_ARCH_x86
34# include "assembler_x86.inline.hpp"
35#endif
36#ifdef TARGET_ARCH_sparc
37# include "assembler_sparc.inline.hpp"
38#endif
39#ifdef TARGET_ARCH_zero
40# include "assembler_zero.inline.hpp"
41#endif
42#ifdef TARGET_ARCH_arm
43# include "assembler_arm.inline.hpp"
44#endif
45#ifdef TARGET_ARCH_ppc
46# include "assembler_ppc.inline.hpp"
47#endif
48
49
50void OSThread::pd_initialize() {
51  assert(this != NULL, "check");
52  _thread_id        = 0;
53  _pthread_id       = 0;
54  _siginfo = NULL;
55  _ucontext = NULL;
56  _expanding_stack = 0;
57  _alt_sig_stack = NULL;
58
59  sigemptyset(&_caller_sigmask);
60
61  _startThread_lock = new Monitor(Mutex::event, "startThread_lock", true);
62  assert(_startThread_lock !=NULL, "check");
63}
64
65void OSThread::pd_destroy() {
66  delete _startThread_lock;
67}
68