8228857: Refactor PlatformMonitor into PlatformMutex and PlatformMonitor
Reviewed-by: kbarrett, dcubed, pliden
/*
* Copyright (c) 2019, 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.
*
*/
#ifndef OS_POSIX_OS_POSIX_INLINE_HPP
#define OS_POSIX_OS_POSIX_INLINE_HPP
#include "runtime/os.hpp"
#ifdef SUPPORTS_CLOCK_MONOTONIC
// Exported clock functionality
inline bool os::Posix::supports_monotonic_clock() {
return _clock_gettime != NULL;
}
inline int os::Posix::clock_gettime(clockid_t clock_id, struct timespec *tp) {
return _clock_gettime != NULL ? _clock_gettime(clock_id, tp) : -1;
}
inline int os::Posix::clock_getres(clockid_t clock_id, struct timespec *tp) {
return _clock_getres != NULL ? _clock_getres(clock_id, tp) : -1;
}
#endif // SUPPORTS_CLOCK_MONOTONIC
#ifndef SOLARIS
// Platform Mutex/Monitor implementation
inline void os::PlatformMutex::lock() {
int status = pthread_mutex_lock(mutex());
assert_status(status == 0, status, "mutex_lock");
}
inline void os::PlatformMutex::unlock() {
int status = pthread_mutex_unlock(mutex());
assert_status(status == 0, status, "mutex_unlock");
}
inline bool os::PlatformMutex::try_lock() {
int status = pthread_mutex_trylock(mutex());
assert_status(status == 0 || status == EBUSY, status, "mutex_trylock");
return status == 0;
}
inline void os::PlatformMonitor::notify() {
int status = pthread_cond_signal(cond());
assert_status(status == 0, status, "cond_signal");
}
inline void os::PlatformMonitor::notify_all() {
int status = pthread_cond_broadcast(cond());
assert_status(status == 0, status, "cond_broadcast");
}
#endif // !SOLARIS
#endif // OS_POSIX_OS_POSIX_INLINE_HPP