AuroraRuntime/Source/Threading/AuWakeInternal.hpp

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

    File: AuWakeInternal.hpp
    Date: 2023-6-15
    Author: Reece
    Note: Defines a LTS prototype for nanosecond-resolution WoA API for Desktop class Win32 primitives
***/
#pragma once

namespace Aurora::Threading
{
    // Buttered up native high-res wait for change API:
    bool InternalLTSWaitOnAddressHighRes(const void *pTargetAddress,
                                         const void *pCompareAddress,
                                         AuUInt8 uWordSize,
                                         AuUInt64 qwNanosecondsAbs);

    // ...cont
    void InternalLTSWakeAll(const void *pTargetAddress);

    // ...cont
    void InternalLTSWakeOne(const void *pTargetAddress);
    
    // ...cont
    void InternalLTSWakeCount(const void *pTargetAddress, AuUInt32 uCount);

    // extra wrapping for use with primitives when expecting less scheduler indirection
    // (its good to avoid the emulation layer in the slow paths of high level primitives)

    static bool InternalLTSWaitOnAddressHighRes(volatile const void *pTargetAddress,
                                                const void *pCompareAddress,
                                                AuUInt8 uWordSize,
                                                AuUInt64 qwNanosecondsAbs)
    {
        return InternalLTSWaitOnAddressHighRes((const void *)pTargetAddress, pCompareAddress, uWordSize, qwNanosecondsAbs);
    }
}