/*

* Copyright (c) 2005-2006 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:  M3GCore function call serialization and synchronization

*

*/

#ifndef CSYNCHRONIZATION_H

#define CSYNCHRONIZATION_H

// INCLUDE FILES

#include <e32std.h>

#include <e32base.h>

// CLASS DECLARATION

/**

 * @class CSynchronization

 */

class CSynchronization : public CBase

{

public:

    /**

     * Two-phased constructor.

         */

    static CSynchronization* InstanceL();

    /**

         * Dtor

         */

    ~CSynchronization();

    /**

       * Locks the semaphore

       */

    void Lock();

    /**

       * Unlocks the semaphore

       */

    void Unlock();

    /**

    * Sets error code for error occured during lock period

    */

    void SetErrorCode(TInt aCode);

    /**

    * Returns error string set with SetErrorString

    */

    TInt GetErrorCode();

private: // METHODS

    /**

      * Constructor

      */

    CSynchronization();

    /**

    * Two-phased constructor.

    * @return New object

    */

    static CSynchronization* NewL();

    /**

     * Constructor

     */

    void ConstructL();

private: // MEMBER VARIABLES

    static CSynchronization* iSelf;

    RCriticalSection iGuard;

    TInt iErrorCode;

};

#endif // CSYNCHRONIZATION_H