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 "webrtc/system_wrappers/source/rw_lock_posix.h"
12
13namespace webrtc {
14
15RWLockPosix::RWLockPosix() : lock_() {
16}
17
18RWLockPosix::~RWLockPosix() {
19  pthread_rwlock_destroy(&lock_);
20}
21
22RWLockPosix* RWLockPosix::Create() {
23  RWLockPosix* ret_val = new RWLockPosix();
24  if (!ret_val->Init()) {
25    delete ret_val;
26    return NULL;
27  }
28  return ret_val;
29}
30
31bool RWLockPosix::Init() {
32  return pthread_rwlock_init(&lock_, 0) == 0;
33}
34
35void RWLockPosix::AcquireLockExclusive() {
36  pthread_rwlock_wrlock(&lock_);
37}
38
39void RWLockPosix::ReleaseLockExclusive() {
40  pthread_rwlock_unlock(&lock_);
41}
42
43void RWLockPosix::AcquireLockShared() {
44  pthread_rwlock_rdlock(&lock_);
45}
46
47void RWLockPosix::ReleaseLockShared() {
48  pthread_rwlock_unlock(&lock_);
49}
50
51}  // namespace webrtc
52