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/*
* Copyright (c) 2012 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 <assert.h>
#include "webrtc/system_wrappers/interface/rw_lock_wrapper.h"
#include "webrtc/video_engine/vie_manager_base.h"
namespace webrtc {
ViEManagerBase::ViEManagerBase()
: instance_rwlock_(*RWLockWrapper::CreateRWLock()) {
}
ViEManagerBase::~ViEManagerBase() {
delete &instance_rwlock_;
}
void ViEManagerBase::ReadLockManager() const {
instance_rwlock_.AcquireLockShared();
}
void ViEManagerBase::ReleaseLockManager() const {
instance_rwlock_.ReleaseLockShared();
}
void ViEManagerBase::WriteLockManager() {
instance_rwlock_.AcquireLockExclusive();
}
void ViEManagerBase::ReleaseWriteLockManager() {
instance_rwlock_.ReleaseLockExclusive();
}
ViEManagerScopedBase::ViEManagerScopedBase(const ViEManagerBase& ViEManagerBase)
: vie_manager_(&ViEManagerBase),
ref_count_(0) {
vie_manager_->ReadLockManager();
}
ViEManagerScopedBase::~ViEManagerScopedBase() {
assert(ref_count_ == 0);
vie_manager_->ReleaseLockManager();
}
ViEManagerWriteScoped::ViEManagerWriteScoped(ViEManagerBase* vie_manager)
: vie_manager_(vie_manager) {
vie_manager_->WriteLockManager();
}
ViEManagerWriteScoped::~ViEManagerWriteScoped() {
vie_manager_->ReleaseWriteLockManager();
}
ViEManagedItemScopedBase::ViEManagedItemScopedBase(
ViEManagerScopedBase* vie_scoped_manager)
: vie_scoped_manager_(vie_scoped_manager) {
vie_scoped_manager_->ref_count_++;
}
ViEManagedItemScopedBase::~ViEManagedItemScopedBase() {
vie_scoped_manager_->ref_count_--;
}
} // namespace webrtc
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