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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_RW_LOCK_POSIX_H_
     12 #define WEBRTC_SYSTEM_WRAPPERS_SOURCE_RW_LOCK_POSIX_H_
     13 
     14 #include "rw_lock_wrapper.h"
     15 
     16 #include <pthread.h>
     17 
     18 namespace webrtc {
     19 class RWLockPosix : public RWLockWrapper
     20 {
     21 public:
     22     RWLockPosix();
     23     virtual ~RWLockPosix();
     24 
     25     virtual void AcquireLockExclusive();
     26     virtual void ReleaseLockExclusive();
     27 
     28     virtual void AcquireLockShared();
     29     virtual void ReleaseLockShared();
     30 
     31 protected:
     32     virtual int Init();
     33 
     34 private:
     35     pthread_rwlock_t _lock;
     36 };
     37 } // namespace webrtc
     38 
     39 #endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_RW_LOCK_POSIX_H_
     40