AuroraRuntime/Source/Loop/LSSemaphore.NT.cpp

42 lines
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C++

/***
Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
File: LSSemaphore.NT.cpp
Date: 2021-10-1
Author: Reece
***/
#include <Source/RuntimeInternal.hpp>
#include "LSSemaphore.hpp"
namespace Aurora::Loop
{
bool Semaphore::AddOne()
{
LONG atomicOld;
return ReleaseSemaphore(reinterpret_cast<HANDLE>(handle), 1, &atomicOld);
}
bool Semaphore::IsSignaled()
{
return LSHandle::IsSignaled();
}
ELoopSource Semaphore::GetType()
{
return ELoopSource::eSourceSemaphore;
}
AUKN_SYM AuSPtr<ILSSemaphore> NewLSSemaphore(AuUInt32 initialCount)
{
AuSPtr<Semaphore> ret;
auto mutex = ::CreateSemaphoreA(NULL, initialCount, AuNumericLimits<LONG>::max(), NULL);
if (mutex == INVALID_HANDLE_VALUE)
{
SysPushErrorGen("Out of OS resources?");
return {};
}
return AuMakeShared<Semaphore>(mutex);
}
}