/***
    Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: AuConditionVariable.Win32.cpp
    Date: 2021-6-12
    Author: Reece
***/
#include <Source/RuntimeInternal.hpp>
#include "AuConditionVariable.Generic.hpp"

#if !defined(_AURUNTIME_GENERICCV)

namespace Aurora::Threading::Primitives
{
    ConditionVariableImpl::ConditionVariableImpl(const AuSPtr<IConditionMutex> &pMutex) :
        mutex_(AuDynamicCast<IConditionMutexEx>(pMutex))
    {
        InitializeConditionVariable(&this->winCond_);
    }

    AuSPtr<IConditionMutex> ConditionVariableImpl::GetMutex()
    {
        return mutex_;
    }

    bool ConditionVariableImpl::WaitForSignal(AuUInt32 uTimeout)
    {
        auto ok = SleepConditionVariableSRW(&this->winCond_,
                                            reinterpret_cast<PSRWLOCK>(this->mutex_->GetOSHandle()),
                                            uTimeout ? uTimeout : INFINITE, 0);

        if (!ok)
        {
            SysAssert(GetLastError() == ERROR_TIMEOUT, "SleepConditionVariable failure");
            return false;
        }

        return true;
    }

    void ConditionVariableImpl::Signal()
    {
        WakeConditionVariable(&this->winCond_);
    }

    void ConditionVariableImpl::Broadcast()
    {
        WakeAllConditionVariable(&this->winCond_);
    }

    AUKN_SYM IConditionVariable *ConditionVariableNew(const AuSPtr<IConditionMutex> &pMutex)
    {
        return _new ConditionVariableImpl(pMutex);
    }

    AUKN_SYM void ConditionVariableRelease(IConditionVariable *pCV)
    {
        AuSafeDelete<ConditionVariableImpl *>(pCV);
    }
}

#endif