webrtc/system_wrappers/source/rw_lock_generic.h

47 lines
1.3 KiB
C++

/*
* 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.
*/
#ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_RW_LOCK_GENERIC_H_
#define WEBRTC_SYSTEM_WRAPPERS_SOURCE_RW_LOCK_GENERIC_H_
#include "rw_lock_wrapper.h"
namespace webrtc {
class CriticalSectionWrapper;
class ConditionVariableWrapper;
class RWLockWrapperGeneric : public RWLockWrapper
{
public:
RWLockWrapperGeneric();
virtual ~RWLockWrapperGeneric();
virtual void AcquireLockExclusive();
virtual void ReleaseLockExclusive();
virtual void AcquireLockShared();
virtual void ReleaseLockShared();
protected:
virtual int Init();
private:
CriticalSectionWrapper* _critSectPtr;
ConditionVariableWrapper* _readCondPtr;
ConditionVariableWrapper* _writeCondPtr;
int _readersActive;
bool _writerActive;
int _readersWaiting;
int _writersWaiting;
};
} // namespace webrtc
#endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_RW_LOCK_GENERIC_H_