diff options
Diffstat (limited to 'webrtc/rtc_base/synchronization/rw_lock_posix.cc')
-rw-r--r-- | webrtc/rtc_base/synchronization/rw_lock_posix.cc | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/webrtc/rtc_base/synchronization/rw_lock_posix.cc b/webrtc/rtc_base/synchronization/rw_lock_posix.cc new file mode 100644 index 0000000..15ef3d7 --- /dev/null +++ b/webrtc/rtc_base/synchronization/rw_lock_posix.cc @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "rtc_base/synchronization/rw_lock_posix.h" + +#include <stddef.h> + +namespace webrtc { + +RWLockPosix::RWLockPosix() : lock_() {} + +RWLockPosix::~RWLockPosix() { + pthread_rwlock_destroy(&lock_); +} + +RWLockPosix* RWLockPosix::Create() { + RWLockPosix* ret_val = new RWLockPosix(); + if (!ret_val->Init()) { + delete ret_val; + return NULL; + } + return ret_val; +} + +bool RWLockPosix::Init() { + return pthread_rwlock_init(&lock_, 0) == 0; +} + +void RWLockPosix::AcquireLockExclusive() { + pthread_rwlock_wrlock(&lock_); +} + +void RWLockPosix::ReleaseLockExclusive() { + pthread_rwlock_unlock(&lock_); +} + +void RWLockPosix::AcquireLockShared() { + pthread_rwlock_rdlock(&lock_); +} + +void RWLockPosix::ReleaseLockShared() { + pthread_rwlock_unlock(&lock_); +} + +} // namespace webrtc |