1 /* 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 // General note: return values for the various pthread synchronization APIs 12 // are explicitly ignored here. In Chromium, the same thing is done for release. 13 // However, in debugging, failure in these APIs are logged. There is currently 14 // no equivalent to DCHECK_EQ in WebRTC code so this is the best we can do here. 15 // TODO(henrike): add logging when pthread synchronization APIs are failing. 16 17 #include "webrtc/system_wrappers/source/critical_section_posix.h" 18 19 namespace webrtc { 20 21 CriticalSectionPosix::CriticalSectionPosix() { 22 pthread_mutexattr_t attr; 23 (void) pthread_mutexattr_init(&attr); 24 (void) pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); 25 (void) pthread_mutex_init(&mutex_, &attr); 26 } 27 28 CriticalSectionPosix::~CriticalSectionPosix() { 29 (void) pthread_mutex_destroy(&mutex_); 30 } 31 32 void 33 CriticalSectionPosix::Enter() { 34 (void) pthread_mutex_lock(&mutex_); 35 } 36 37 void 38 CriticalSectionPosix::Leave() { 39 (void) pthread_mutex_unlock(&mutex_); 40 } 41 42 } // namespace webrtc 43