|  | /* | 
|  | *  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. | 
|  | */ | 
|  |  | 
|  | #ifndef RTC_BASE_SYNCHRONIZATION_RW_LOCK_WIN_H_ | 
|  | #define RTC_BASE_SYNCHRONIZATION_RW_LOCK_WIN_H_ | 
|  |  | 
|  | #include <Windows.h> | 
|  |  | 
|  | #include "rtc_base/synchronization/rw_lock_wrapper.h" | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | class RWLockWin : public RWLockWrapper { | 
|  | public: | 
|  | static RWLockWin* Create(); | 
|  |  | 
|  | void AcquireLockExclusive() override; | 
|  | void ReleaseLockExclusive() override; | 
|  |  | 
|  | void AcquireLockShared() override; | 
|  | void ReleaseLockShared() override; | 
|  |  | 
|  | private: | 
|  | RWLockWin(); | 
|  |  | 
|  | SRWLOCK lock_; | 
|  | }; | 
|  |  | 
|  | }  // namespace webrtc | 
|  |  | 
|  | #endif  // RTC_BASE_SYNCHRONIZATION_RW_LOCK_WIN_H_ |