// 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        : pthread_mutex_destroy.cpp

// Part of     : pthread

// Interface   : POSIX, pthread

// POSIX implementation of mutexes on Symbian

// Version     :

//

#include "mutextypes.h"

EXPORT_C int pthread_mutex_destroy (pthread_mutex_t * mutex)

{

    if(!mutex)

    {

        return EINVAL;

    }

    if(mutex->iState == _EDestroyed)

    {

        return EINVAL;

    }

    if(mutex->iState != _EInitialized)

    {

        return 0;

    }

    _pthread_mutex_t* pMutex = mutex->iPtr;

    if(pMutex->iDataLock.IsHeld())

    {

        return EBUSY;

    }

    pMutex->iDataLock.Wait();

    if(pMutex->iSemaphoreState != SEM_FREE)

    {

        pMutex->iDataLock.Signal();

        return EBUSY;

    }

    mutex->iState = _EDestroyed;

    pMutex->iDataLock.Signal();

    _closeMutex(mutex);

    return 0;

}

// End of File