66 lines
1.4 KiB
C++
66 lines
1.4 KiB
C++
/***
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Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: AuIOSleep.NT.hpp
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Date: 2022-5-13
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Author: Reece
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***/
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#include <Source/RuntimeInternal.hpp>
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#include "IO.hpp"
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#include "AuIOSleep.NT.hpp"
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namespace Aurora::IO
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{
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AUKN_SYM bool WaitFor(AuUInt32 dwMilliseconds, bool bWaitEntireFrame)
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{
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bool bHit {};
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AuUInt32 targetTime = dwMilliseconds ? AuTime::SteadyClockNS() + AuNSToMS<AuUInt64>(dwMilliseconds) : 0;
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if (!dwMilliseconds)
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{
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bWaitEntireFrame = false;
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}
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while (true)
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{
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AuUInt32 dwSleep;
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if (targetTime)
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{
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auto now = AuTime::SteadyClockNS();
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if (now >= targetTime)
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{
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break;
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}
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dwSleep = AuNSToMS<AuUInt32>(now - targetTime);
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}
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else
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{
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dwSleep = INFINITE;
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}
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if (SleepEx(dwSleep, true) != WAIT_IO_COMPLETION)
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{
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continue;
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}
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while (SleepEx(0, true) == WAIT_IO_COMPLETION) ;
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bHit = true;
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if (!bWaitEntireFrame)
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{
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break;
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}
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}
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return bHit;
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}
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AUKN_SYM bool IOYield()
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{
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return SleepEx(0, true) == WAIT_IO_COMPLETION;
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}
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} |