duke@435: /*
sla@5237:  * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: // no precompiled headers
stefank@2314: #include "runtime/atomic.hpp"
stefank@2314: #include "runtime/handles.inline.hpp"
stefank@2314: #include "runtime/mutexLocker.hpp"
stefank@2314: #include "runtime/os.hpp"
stefank@2314: #include "runtime/osThread.hpp"
stefank@2314: #include "runtime/safepoint.hpp"
stefank@2314: #include "runtime/vmThread.hpp"
stefank@2314: 
twisti@4318: #include <signal.h>
duke@435: 
duke@435:  // ***************************************************************
duke@435:  // Platform dependent initialization and cleanup
duke@435:  // ***************************************************************
duke@435: 
duke@435: void OSThread::pd_initialize() {
duke@435:   _thread_id                         = 0;
duke@435:   sigemptyset(&_caller_sigmask);
duke@435: 
duke@435:   _saved_interrupt_thread_state      = _thread_new;
duke@435:   _vm_created_thread                 = false;
duke@435: }
duke@435: 
duke@435: void OSThread::pd_destroy() {
duke@435: }
duke@435: 
duke@435: // copied from synchronizer.cpp
duke@435: 
duke@435: void OSThread::handle_spinlock_contention(int tries) {
duke@435:   if (NoYieldsInMicrolock) return;
duke@435: 
duke@435:   if (tries > 10) {
duke@435:     os::yield_all(tries); // Yield to threads of any priority
duke@435:   } else if (tries > 5) {
duke@435:     os::yield();          // Yield to threads of same or higher priority
duke@435:   }
duke@435: }
sla@5237: 
sla@5237: void OSThread::SR_handler(Thread* thread, ucontext_t* uc) {
sla@5237:   os::Solaris::SR_handler(thread, uc);
sla@5237: }