1 /* 2 * Copyright (c) 2019, 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 #ifndef OS_POSIX_OS_POSIX_INLINE_HPP 26 #define OS_POSIX_OS_POSIX_INLINE_HPP 27 28 #include "runtime/os.hpp" 29 30 #ifdef SUPPORTS_CLOCK_MONOTONIC 31 32 // Exported clock functionality 33 34 inline bool os::Posix::supports_monotonic_clock() { 35 return _clock_gettime != NULL; 36 } 37 38 inline int os::Posix::clock_gettime(clockid_t clock_id, struct timespec *tp) { 39 return _clock_gettime != NULL ? _clock_gettime(clock_id, tp) : -1; 40 } 41 42 inline int os::Posix::clock_getres(clockid_t clock_id, struct timespec *tp) { 43 return _clock_getres != NULL ? _clock_getres(clock_id, tp) : -1; 44 } 45 46 #endif // SUPPORTS_CLOCK_MONOTONIC 47 48 // Platform Mutex/Monitor implementation 49 50 inline void os::PlatformMutex::lock() { 51 int status = pthread_mutex_lock(mutex()); 52 assert_status(status == 0, status, "mutex_lock"); 53 } 54 55 inline void os::PlatformMutex::unlock() { 56 int status = pthread_mutex_unlock(mutex()); 57 assert_status(status == 0, status, "mutex_unlock"); 58 } 59 60 inline bool os::PlatformMutex::try_lock() { 61 int status = pthread_mutex_trylock(mutex()); 62 assert_status(status == 0 || status == EBUSY, status, "mutex_trylock"); 63 return status == 0; 64 } 65 66 inline void os::PlatformMonitor::notify() { 67 int status = pthread_cond_signal(cond()); 68 assert_status(status == 0, status, "cond_signal"); 69 } 70 71 inline void os::PlatformMonitor::notify_all() { 72 int status = pthread_cond_broadcast(cond()); 73 assert_status(status == 0, status, "cond_broadcast"); 74 } 75 76 #endif // OS_POSIX_OS_POSIX_INLINE_HPP