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72 lines
2.9 KiB
C++
72 lines
2.9 KiB
C++
/*************************************************************************/
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/* mutex_posix.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "mutex_posix.h"
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#include "os/memory.h"
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#if defined(UNIX_ENABLED) || defined(PTHREAD_ENABLED)
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void MutexPosix::lock() {
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pthread_mutex_lock(&mutex);
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}
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void MutexPosix::unlock() {
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pthread_mutex_unlock(&mutex);
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}
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Error MutexPosix::try_lock() {
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return (pthread_mutex_trylock(&mutex) == 0) ? OK : ERR_BUSY;
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}
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Mutex *MutexPosix::create_func_posix(bool p_recursive) {
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return memnew(MutexPosix(p_recursive));
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}
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void MutexPosix::make_default() {
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create_func = create_func_posix;
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}
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MutexPosix::MutexPosix(bool p_recursive) {
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pthread_mutexattr_init(&attr);
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if (p_recursive)
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pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
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pthread_mutex_init(&mutex, &attr);
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}
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MutexPosix::~MutexPosix() {
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pthread_mutex_destroy(&mutex);
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}
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#endif
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