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 "webrtc/system_wrappers/include/rw_lock_wrapper.h"
15 #include "webrtc/typedefs.h"
16 
17 #include <pthread.h>
18 
19 namespace webrtc {
20 
21 class RWLockPosix : public RWLockWrapper {
22  public:
23   static RWLockPosix* Create();
24   ~RWLockPosix() override;
25 
26   void AcquireLockExclusive() override;
27   void ReleaseLockExclusive() override;
28 
29   void AcquireLockShared() override;
30   void ReleaseLockShared() override;
31 
32  private:
33   RWLockPosix();
34   bool Init();
35 
36   pthread_rwlock_t lock_;
37 };
38 
39 }  // namespace webrtc
40 
41 #endif  // WEBRTC_SYSTEM_WRAPPERS_SOURCE_RW_LOCK_POSIX_H_
42