| /* |
| * 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 "assert.h" |
| |
| #include "system_wrappers/interface/rw_lock_wrapper.h" |
| #include "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 |