AuroraRuntime/Source/IO/Loop/LSLocalSemaphore.hpp

/***
    Copyright (C) 2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: LSLocalSemaphore.hpp
    Date: 2023-10-21
    Author: Reece
***/
#pragma once

#include "LSSemaphore.hpp"

namespace Aurora::IO::Loop
{
    struct LSLocalSemaphore : LSSemaphore
    {
        LSLocalSemaphore();
        ~LSLocalSemaphore();
    
        bool TryInit(AuUInt32 initialCount, AuUInt32 uMaxCount = 0);

        bool IsSignaled() override;
        bool IsSignaledNoSpinIfUserland() override;
        ELoopSource GetType() override;

        bool AddOne() override;
        bool AddMany(AuUInt32 uCount) override;

        virtual bool OnTrigger(AuUInt handle) override;

        bool TryTakeNoSpin();
        bool TryTakeSpin();
        bool TryTake();
        bool TryTakeWaitNS(AuUInt64 timeout);

        PROXY_LOCAL_LOOPSOURCE_EXT_APIS_;

        void OnPresleep() override;
        void OnFinishSleep() override;

        void DoParanoia();

        AuAUInt32 uAtomicSemaphore {};
        AuAUInt32 uAtomicKernelSemaphore {};
        AuUInt32 uMaxCount {};
    };
}