rw_lock_posix.cc revision c55a96383497a772a307b346368133960b02ad03
1e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent/* 2e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent * 4e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent * Use of this source code is governed by a BSD-style license 5e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent * that can be found in the LICENSE file in the root of the source 6e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent * tree. An additional intellectual property rights grant can be found 7e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent * in the file PATENTS. All contributing project authors may 8e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent * be found in the AUTHORS file in the root of the source tree. 9e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent */ 10e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 11c55a96383497a772a307b346368133960b02ad03Eric Laurent#include "rw_lock_posix.h" 12e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 13e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurentnamespace webrtc { 14c55a96383497a772a307b346368133960b02ad03Eric LaurentRWLockPosix::RWLockPosix() : _lock() 15e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent{ 16e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent} 17e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 18c55a96383497a772a307b346368133960b02ad03Eric LaurentRWLockPosix::~RWLockPosix() 19e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent{ 20e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent pthread_rwlock_destroy(&_lock); 21e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent} 22e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 23c55a96383497a772a307b346368133960b02ad03Eric Laurentint RWLockPosix::Init() 24e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent{ 25e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent return pthread_rwlock_init(&_lock, 0); 26e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent} 27e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 28c55a96383497a772a307b346368133960b02ad03Eric Laurentvoid RWLockPosix::AcquireLockExclusive() 29e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent{ 30e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent pthread_rwlock_wrlock(&_lock); 31e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent} 32e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 33c55a96383497a772a307b346368133960b02ad03Eric Laurentvoid RWLockPosix::ReleaseLockExclusive() 34e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent{ 35e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent pthread_rwlock_unlock(&_lock); 36e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent} 37e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 38c55a96383497a772a307b346368133960b02ad03Eric Laurentvoid RWLockPosix::AcquireLockShared() 39e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent{ 40e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent pthread_rwlock_rdlock(&_lock); 41e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent} 42e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 43c55a96383497a772a307b346368133960b02ad03Eric Laurentvoid RWLockPosix::ReleaseLockShared() 44e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent{ 45e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent pthread_rwlock_unlock(&_lock); 46e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent} 47e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent} // namespace webrtc 48