| /* |
| * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved. |
| * 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); |
| |
| _saved_interrupt_thread_state = _thread_new; |
| _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); |
| } |