osThread_solaris.cpp revision 4802:f2110083203d 
1/*
2 * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
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
34#include <signal.h>
35
36 // ***************************************************************
37 // Platform dependent initialization and cleanup
38 // ***************************************************************
39
40void OSThread::pd_initialize() {
41  _thread_id                         = 0;
42  sigemptyset(&_caller_sigmask);
43
44  _saved_interrupt_thread_state      = _thread_new;
45  _vm_created_thread                 = false;
46}
47
48void OSThread::pd_destroy() {
49}
50
51// copied from synchronizer.cpp
52
53void OSThread::handle_spinlock_contention(int tries) {
54  if (NoYieldsInMicrolock) return;
55
56  if (tries > 10) {
57    os::yield_all(tries); // Yield to threads of any priority
58  } else if (tries > 5) {
59    os::yield();          // Yield to threads of same or higher priority
60  }
61}
62
63void OSThread::SR_handler(Thread* thread, ucontext_t* uc) {
64  os::Solaris::SR_handler(thread, uc);
65}
66