/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

// no precompiled headers

#include "runtime/atomic.hpp"

#include "runtime/handles.inline.hpp"

#include "runtime/mutexLocker.hpp"

#include "runtime/os.hpp"

#include "runtime/osThread.hpp"

#include "runtime/safepoint.hpp"

#include "runtime/vmThread.hpp"

#include <signal.h>

 // ***************************************************************

 // Platform dependent initialization and cleanup

 // ***************************************************************

void OSThread::pd_initialize() {

  _thread_id                         = 0;

  sigemptyset(&_caller_sigmask);

  _vm_created_thread                 = false;

}

void OSThread::pd_destroy() {

}

// copied from synchronizer.cpp

void OSThread::handle_spinlock_contention(int tries) {

  if (NoYieldsInMicrolock) return;

  if (tries > 10) {

    os::yield_all(tries); // Yield to threads of any priority

  } else if (tries > 5) {

    os::yield();          // Yield to threads of same or higher priority

  }

}

void OSThread::SR_handler(Thread* thread, ucontext_t* uc) {

  os::Solaris::SR_handler(thread, uc);

}