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      1 /*
      2  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 // TODO(mflodman) Remove this class and use ref count class in system_wrappers.
     12 
     13 #ifndef WEBRTC_VIDEO_ENGINE_VIE_REF_COUNT_H_
     14 #define WEBRTC_VIDEO_ENGINE_VIE_REF_COUNT_H_
     15 
     16 #include "webrtc/system_wrappers/interface/scoped_ptr.h"
     17 
     18 namespace webrtc {
     19 
     20 class CriticalSectionWrapper;
     21 
     22 class ViERefCount {
     23  public:
     24   ViERefCount();
     25   ~ViERefCount();
     26 
     27   ViERefCount& operator++(int);  // NOLINT
     28   ViERefCount& operator--(int);  // NOLINT
     29 
     30   void Reset();
     31   int GetCount() const;
     32 
     33  private:
     34   volatile int count_;
     35   scoped_ptr<CriticalSectionWrapper> crit_;
     36 };
     37 
     38 }  // namespace webrtc
     39 
     40 #endif  // WEBRTC_VIDEO_ENGINE_VIE_REF_COUNT_H_
     41