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      1 /*
      2  *  Copyright (c) 2011 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/system_wrappers/include/event_wrapper.h"
     12 
     13 #if defined(_WIN32)
     14 #include <windows.h>
     15 #include "webrtc/system_wrappers/source/event_timer_win.h"
     16 #elif defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
     17 #include <ApplicationServices/ApplicationServices.h>
     18 #include <pthread.h>
     19 #include "webrtc/system_wrappers/source/event_timer_posix.h"
     20 #else
     21 #include <pthread.h>
     22 #include "webrtc/system_wrappers/source/event_timer_posix.h"
     23 #endif
     24 
     25 #include "webrtc/base/event.h"
     26 
     27 namespace webrtc {
     28 
     29 class EventWrapperImpl : public EventWrapper {
     30  public:
     31   EventWrapperImpl() : event_(false, false) {}
     32   ~EventWrapperImpl() override {}
     33 
     34   bool Set() override {
     35     event_.Set();
     36     return true;
     37   }
     38 
     39   EventTypeWrapper Wait(unsigned long max_time) override {
     40     int to_wait = max_time == WEBRTC_EVENT_INFINITE ?
     41         rtc::Event::kForever : static_cast<int>(max_time);
     42     return event_.Wait(to_wait) ? kEventSignaled : kEventTimeout;
     43   }
     44 
     45  private:
     46   rtc::Event event_;
     47 };
     48 
     49 // static
     50 EventWrapper* EventWrapper::Create() {
     51   return new EventWrapperImpl();
     52 }
     53 
     54 }  // namespace webrtc
     55