1/*
2 * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2012, 2015 SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26// no precompiled headers
27
28#include "runtime/handles.inline.hpp"
29#include "runtime/mutexLocker.hpp"
30#include "runtime/os.hpp"
31#include "runtime/osThread.hpp"
32#include "runtime/safepoint.hpp"
33#include "runtime/vmThread.hpp"
34
35void OSThread::pd_initialize() {
36  assert(this != NULL, "check");
37  _thread_id        = 0;
38  _kernel_thread_id = 0;
39  _siginfo = NULL;
40  _ucontext = NULL;
41  _expanding_stack = 0;
42  _alt_sig_stack = NULL;
43
44  _last_cpu_times.sys = _last_cpu_times.user = 0L;
45
46  sigemptyset(&_caller_sigmask);
47
48  _startThread_lock = new Monitor(Mutex::event, "startThread_lock", true,
49                                  Monitor::_safepoint_check_never);
50  assert(_startThread_lock != NULL, "check");
51}
52
53void OSThread::pd_destroy() {
54  delete _startThread_lock;
55}
56