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      1 /*
      2  *  Copyright (c) 2011 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 #ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_CRITICAL_SECTION_POSIX_H_
     12 #define WEBRTC_SYSTEM_WRAPPERS_SOURCE_CRITICAL_SECTION_POSIX_H_
     13 
     14 #include "webrtc/system_wrappers/include/critical_section_wrapper.h"
     15 
     16 #include <pthread.h>
     17 
     18 namespace webrtc {
     19 
     20 class CriticalSectionPosix : public CriticalSectionWrapper {
     21  public:
     22   CriticalSectionPosix();
     23 
     24   ~CriticalSectionPosix() override;
     25 
     26   void Enter() override;
     27   void Leave() override;
     28 
     29  private:
     30   pthread_mutex_t mutex_;
     31   friend class ConditionVariablePosix;
     32 };
     33 
     34 }  // namespace webrtc
     35 
     36 #endif  // WEBRTC_SYSTEM_WRAPPERS_SOURCE_CRITICAL_SECTION_POSIX_H_
     37