// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// Name     : sem_microsleepwait_np.cpp

// Part of  : PThread library

// sem_microsleepwait_np call is implemented.

// Version:

//

#include <e32def.h>

#include <errno.h>

#include "semaphore.h"

#include "semaphoretypes.h"

#include "pthread.h"

int sem_microsleepwait_np (sem_t* sem, const long aSleepTime)

{

    if (!sem || !(*sem) )

    {

        errno = EINVAL;

        return -1;

    }

    _sem_t* lsem = *sem;

    if(lsem->iState != _sem_t::EInitialized)

    {

        errno = EINVAL;

        return -1;

    }

    if(_cancelable_mutex_wait(lsem) != 0)

    {

        return -1;

    }

    int count = --(lsem->iCount);

    lsem->iMutex.Signal();

    int retval = 0;

    if(count <0)

    {

    //push to cleanup

    retval = lsem->iSemaphore.Wait(aSleepTime);

    if(retval != KErrNone)

    {

        //timeout

        //the semaphore count goes up

        lsem->iMutex.Wait();

        if(lsem->iState != _sem_t::EInitialized)

        {

            errno = EINVAL;

            return -1;

        }

        ++(lsem->iCount);

        lsem->iMutex.Signal();

        errno =  ETIMEDOUT;

        return -1;

    }

    //pop from cleanup

    }

    return 0;

}//sem_microsleepwait_np()

//End of File