f5d4cb1958
BUG=1662 R=mflodman@webrtc.org Review URL: https://webrtc-codereview.appspot.com/1492004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4056 4adac7df-926f-26a2-2b94-8c16560cd09d
73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <assert.h>
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#include "webrtc/system_wrappers/interface/rw_lock_wrapper.h"
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#include "webrtc/video_engine/vie_manager_base.h"
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namespace webrtc {
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ViEManagerBase::ViEManagerBase()
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: instance_rwlock_(*RWLockWrapper::CreateRWLock()) {
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}
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ViEManagerBase::~ViEManagerBase() {
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delete &instance_rwlock_;
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}
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void ViEManagerBase::ReadLockManager() const {
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instance_rwlock_.AcquireLockShared();
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}
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void ViEManagerBase::ReleaseLockManager() const {
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instance_rwlock_.ReleaseLockShared();
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}
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void ViEManagerBase::WriteLockManager() {
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instance_rwlock_.AcquireLockExclusive();
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}
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void ViEManagerBase::ReleaseWriteLockManager() {
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instance_rwlock_.ReleaseLockExclusive();
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}
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ViEManagerScopedBase::ViEManagerScopedBase(const ViEManagerBase& ViEManagerBase)
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: vie_manager_(&ViEManagerBase),
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ref_count_(0) {
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vie_manager_->ReadLockManager();
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}
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ViEManagerScopedBase::~ViEManagerScopedBase() {
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assert(ref_count_ == 0);
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vie_manager_->ReleaseLockManager();
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}
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ViEManagerWriteScoped::ViEManagerWriteScoped(ViEManagerBase* vie_manager)
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: vie_manager_(vie_manager) {
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vie_manager_->WriteLockManager();
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}
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ViEManagerWriteScoped::~ViEManagerWriteScoped() {
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vie_manager_->ReleaseWriteLockManager();
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}
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ViEManagedItemScopedBase::ViEManagedItemScopedBase(
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ViEManagerScopedBase* vie_scoped_manager)
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: vie_scoped_manager_(vie_scoped_manager) {
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vie_scoped_manager_->ref_count_++;
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}
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ViEManagedItemScopedBase::~ViEManagedItemScopedBase() {
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vie_scoped_manager_->ref_count_--;
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}
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} // namespace webrtc
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