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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 #include "webrtc/video_engine/vie_ref_count.h"
     12 
     13 #include "webrtc/system_wrappers/interface/critical_section_wrapper.h"
     14 
     15 namespace webrtc {
     16 
     17 ViERefCount::ViERefCount()
     18     : count_(0),
     19       crit_(CriticalSectionWrapper::CreateCriticalSection()) {
     20 }
     21 
     22 ViERefCount::~ViERefCount() {
     23 }
     24 
     25 ViERefCount& ViERefCount::operator++(int) {  // NOLINT
     26   CriticalSectionScoped lock(crit_.get());
     27   count_++;
     28   return *this;
     29 }
     30 
     31 ViERefCount& ViERefCount::operator--(int) {  // NOLINT
     32   CriticalSectionScoped lock(crit_.get());
     33   count_--;
     34   return *this;
     35 }
     36 
     37 void ViERefCount::Reset() {
     38   CriticalSectionScoped lock(crit_.get());
     39   count_ = 0;
     40 }
     41 
     42 int ViERefCount::GetCount() const {
     43   return count_;
     44 }
     45 
     46 }  // namespace webrtc
     47