webrtc/system_wrappers/source/event_timer_win.cc
Niels Moller 85e6e826a2 Revert "Delete class EventTimerWrapper."
This reverts commit a421775a6d.

Reason for revert: Depends on https://webrtc-review.googlesource.com/c/src/+/97320, which will be reverted due to breakage in video_engine_tests.

Original change's description:
> Delete class EventTimerWrapper.
> 
> Only user, iSACTest, refactored to use a sleep instead.
> 
> Bug: webrtc:3380
> Change-Id: I683a5a05349f75a17e5d2a02d4a20a9cf059a28f
> Reviewed-on: https://webrtc-review.googlesource.com/96802
> Reviewed-by: Henrik Andreassson <henrika@webrtc.org>
> Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org>
> Commit-Queue: Niels Moller <nisse@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#24541}

TBR=henrika@webrtc.org,henrik.lundin@webrtc.org,nisse@webrtc.org

Change-Id: Iea92618c87cb4eb4595f22674528920171a9defb
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: webrtc:3380
Reviewed-on: https://webrtc-review.googlesource.com/97681
Reviewed-by: Niels Moller <nisse@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24551}
2018-09-04 11:50:03 +00:00

77 lines
2 KiB
C++

/*
* 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.
*/
#include "system_wrappers/source/event_timer_win.h"
#include "mmsystem.h"
namespace webrtc {
// static
EventTimerWrapper* EventTimerWrapper::Create() {
return new EventTimerWin();
}
EventTimerWin::EventTimerWin()
: event_(::CreateEvent(NULL, // security attributes
FALSE, // manual reset
FALSE, // initial state
NULL)), // name of event
timerID_(NULL) {}
EventTimerWin::~EventTimerWin() {
StopTimer();
CloseHandle(event_);
}
bool EventTimerWin::Set() {
// Note: setting an event that is already set has no effect.
return SetEvent(event_) == 1;
}
EventTypeWrapper EventTimerWin::Wait(unsigned long max_time) {
unsigned long res = WaitForSingleObject(event_, max_time);
switch (res) {
case WAIT_OBJECT_0:
return kEventSignaled;
case WAIT_TIMEOUT:
return kEventTimeout;
default:
return kEventError;
}
}
bool EventTimerWin::StartTimer(bool periodic, unsigned long time) {
if (timerID_ != NULL) {
timeKillEvent(timerID_);
timerID_ = NULL;
}
if (periodic) {
timerID_ = timeSetEvent(time, 0, (LPTIMECALLBACK)HANDLE(event_), 0,
TIME_PERIODIC | TIME_CALLBACK_EVENT_PULSE);
} else {
timerID_ = timeSetEvent(time, 0, (LPTIMECALLBACK)HANDLE(event_), 0,
TIME_ONESHOT | TIME_CALLBACK_EVENT_SET);
}
return timerID_ != NULL;
}
bool EventTimerWin::StopTimer() {
if (timerID_ != NULL) {
timeKillEvent(timerID_);
timerID_ = NULL;
}
return true;
}
} // namespace webrtc