/***
    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, std::numeric_limits<LONG>::max(), NULL);
        if (mutex == INVALID_HANDLE_VALUE)
        {
            SysPushErrorGen("Out of OS resources?");
            return {};
        }

        if (!(ret = AuMakeShared<Semaphore>(mutex)))
        {
            return {};
        }
        
        return ret;
    }
}