/*

* Copyright (c) 2008 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:  ScopedLocks

*

*/

#ifndef SCOPEDLOCKS_H

#define SCOPEDLOCKS_H

#include <pthread.h>

#include "logger.h"

namespace java

{

namespace util

{

class ScopedMutex

{

public:

    ScopedMutex()

    {

        pthread_mutexattr_t mutex_attr;

        pthread_mutexattr_init(&mutex_attr);

        pthread_mutexattr_settype(&mutex_attr, PTHREAD_MUTEX_RECURSIVE);

        pthread_mutex_init(&mMutex, &mutex_attr);

        pthread_mutexattr_destroy(&mutex_attr);

    }

    ~ScopedMutex()

    {

        pthread_mutex_destroy(&mMutex);

    }

    int lock()

    {

        return pthread_mutex_lock(&mMutex);

    }

    int unlock()

    {

        return pthread_mutex_unlock(&mMutex);

    }

private:

    pthread_mutex_t mMutex;

};

class ScopedLock

{

public:

    ScopedLock(ScopedMutex& aMutex):mMutex(aMutex)

    {

        int status = mMutex.lock();

        if (0 != status)

        {

            ELOG1(EUtils, "ScopedLock().mutex.lock() failed with %d", status);

        }

    }

    ~ScopedLock()

    {

        int status = mMutex.unlock();

        if (0 != status)

        {

            ELOG1(EUtils, "ScopedLock().mutex.unlock() failed with %d", status);

        }

    }

private:

    ScopedMutex& mMutex;

};

} //end namespace util

} //end namespace java

#endif // SCOPEDLOCKS_H