| 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 | #ifndef SOLARIS |
| 49 | |
| 50 | // Platform Monitor implementation |
| 51 | |
| 52 | inline void os::PlatformMonitor::lock() { |
| 53 | int status = pthread_mutex_lock(mutex()); |
| 54 | assert_status(status == 0, status, "mutex_lock" ); |
| 55 | } |
| 56 | |
| 57 | inline void os::PlatformMonitor::unlock() { |
| 58 | int status = pthread_mutex_unlock(mutex()); |
| 59 | assert_status(status == 0, status, "mutex_unlock" ); |
| 60 | } |
| 61 | |
| 62 | inline bool os::PlatformMonitor::try_lock() { |
| 63 | int status = pthread_mutex_trylock(mutex()); |
| 64 | assert_status(status == 0 || status == EBUSY, status, "mutex_trylock" ); |
| 65 | return status == 0; |
| 66 | } |
| 67 | |
| 68 | inline void os::PlatformMonitor::notify() { |
| 69 | int status = pthread_cond_signal(cond()); |
| 70 | assert_status(status == 0, status, "cond_signal" ); |
| 71 | } |
| 72 | |
| 73 | inline void os::PlatformMonitor::notify_all() { |
| 74 | int status = pthread_cond_broadcast(cond()); |
| 75 | assert_status(status == 0, status, "cond_broadcast" ); |
| 76 | } |
| 77 | |
| 78 | #endif // !SOLARIS |
| 79 | |
| 80 | #endif // OS_POSIX_OS_POSIX_INLINE_HPP |
| 81 | |