AuroraRuntime/Source/Threading/Primitives/ThreadCookie.hpp

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

    File: ThreadCookie.hpp
    Date: 2023-3-14
    Author: Reece
***/
#pragma once

#if defined(AURORA_IS_MODERNNT_DERIVED) && defined(AURORA_IS_64BIT)
extern "C"
{
    AuUInt32 GetCurrentThreadIDFast();
}
#endif

namespace Aurora::Threading::Primitives
{
    using ThreadCookie_t = AuUInt;

    static auline ThreadCookie_t GetThreadCookie()
    {
    #if defined(AURORA_IS_MODERNNT_DERIVED)
    #if defined(AURORA_IS_32BIT)
        __asm {
            mov eax, fs:[0x18]
            mov eax, [eax + 0x24]
            ret
        }
    #else
        return ::GetCurrentThreadIDFast();
    #endif
    #elif defined(AURORA_IS_POSIX_DERIVED)
        return (ThreadCookie_t)pthread_self();
    #else
        return (ThreadCookie_t)Threads::GetThread();
    #endif
    }

}