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 #include "rw_lock_posix.h"
12 
13 namespace webrtc {
RWLockPosix()14 RWLockPosix::RWLockPosix() : _lock()
15 {
16 }
17 
~RWLockPosix()18 RWLockPosix::~RWLockPosix()
19 {
20     pthread_rwlock_destroy(&_lock);
21 }
22 
Init()23 int RWLockPosix::Init()
24 {
25     return pthread_rwlock_init(&_lock, 0);
26 }
27 
AcquireLockExclusive()28 void RWLockPosix::AcquireLockExclusive()
29 {
30     pthread_rwlock_wrlock(&_lock);
31 }
32 
ReleaseLockExclusive()33 void RWLockPosix::ReleaseLockExclusive()
34 {
35     pthread_rwlock_unlock(&_lock);
36 }
37 
AcquireLockShared()38 void RWLockPosix::AcquireLockShared()
39 {
40     pthread_rwlock_rdlock(&_lock);
41 }
42 
ReleaseLockShared()43 void RWLockPosix::ReleaseLockShared()
44 {
45     pthread_rwlock_unlock(&_lock);
46 }
47 } // namespace webrtc
48