37c3201057
Improved performance (less memory copying, less spin waiting, etc.) - uses less CPU at normal speed, and faster when no FPS limit
33 lines
720 B
C++
33 lines
720 B
C++
#include "stdafx.h"
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#include "AutoResetEvent.h"
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AutoResetEvent::AutoResetEvent()
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{
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_signaled = false;
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}
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AutoResetEvent::~AutoResetEvent()
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{
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Signal();
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}
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void AutoResetEvent::Wait(int timeoutDelay)
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{
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std::unique_lock<std::mutex> lock(_mutex);
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if(timeoutDelay == 0) {
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//Wait until signaled
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_signal.wait(lock, [this] { return _signaled; });
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} else {
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//Wait until signaled or timeout
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auto timeoutTime = std::chrono::system_clock::now() + std::chrono::duration<int, std::milli>(timeoutDelay);
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_signal.wait_until(lock, timeoutTime, [this] { return _signaled; });
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}
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_signaled = false;
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}
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void AutoResetEvent::Signal()
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{
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std::unique_lock<std::mutex> lock(_mutex);
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_signaled = true;
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_signal.notify_all();
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}
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