|  | /* | 
|  | *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. | 
|  | * | 
|  | *  Use of this source code is governed by a BSD-style license | 
|  | *  that can be found in the LICENSE file in the root of the source | 
|  | *  tree. An additional intellectual property rights grant can be found | 
|  | *  in the file PATENTS.  All contributing project authors may | 
|  | *  be found in the AUTHORS file in the root of the source tree. | 
|  | */ | 
|  |  | 
|  | #ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_CRITICAL_SECTION_POSIX_H_ | 
|  | #define WEBRTC_SYSTEM_WRAPPERS_SOURCE_CRITICAL_SECTION_POSIX_H_ | 
|  |  | 
|  | #include "webrtc/system_wrappers/interface/critical_section_wrapper.h" | 
|  |  | 
|  | #include <pthread.h> | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | class CriticalSectionPosix : public CriticalSectionWrapper { | 
|  | public: | 
|  | CriticalSectionPosix(); | 
|  |  | 
|  | virtual ~CriticalSectionPosix(); | 
|  |  | 
|  | virtual void Enter(); | 
|  | virtual void Leave(); | 
|  |  | 
|  | private: | 
|  | pthread_mutex_t mutex_; | 
|  | friend class ConditionVariablePosix; | 
|  | }; | 
|  |  | 
|  | } // namespace webrtc | 
|  |  | 
|  | #endif  // WEBRTC_SYSTEM_WRAPPERS_SOURCE_CRITICAL_SECTION_POSIX_H_ |