/*

* Copyright (c) 2002-2005 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:  Monitors threads death and notifies an event, when thread dies

*

*/

#ifndef CSATTHREADDEATHMONITOR_H

#define CSATTHREADDEATHMONITOR_H

//  INCLUDES

#include <e32base.h>

// FORWARD DECLARATIONS

class MThreadDeathObserver;

// CLASS DECLARATION

/**

*  Monitors thread deaths and notifies an event, when one dies

*

*  @lib SatEngine.lib

*  @since Series 60 2.6

*/

class CSatThreadDeathMonitor : public CActive

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        * @param aUtils Utils API for event notify

        */

        static CSatThreadDeathMonitor* NewL();

        /**

        * Destructor.

        */

        virtual ~CSatThreadDeathMonitor();

    public: // New functions

        /**

        * Notfifies the observer, when thread dies. Cancels outstanding

        * thread death notification, if one exists.

        * @param aThreadId Id of thread.

        * @param aObserver Observer of the thread death

        */

        void NotifyThreadDeathL(

            const TThreadId& aThreadId,

            MThreadDeathObserver& aObserver );

    protected: // New functions

        /**

        * Issues the request of thread death.

        */

        void StartObservingThreadDeath();

    protected:  // Functions from base classes

        /**

        * From CActive

        */

        void DoCancel();

        /**

        * From CActive

        */

        void RunL();

    private:

        /**

        * C++ default constructor.

        */

        CSatThreadDeathMonitor();

    private:    // Data

        // Thread that is monitored

        RThread iThread;

        // Observer for thread death.

        MThreadDeathObserver* iObserver;

    };

#endif      // CSATTHREADDEATHMONITOR_H

// End of File