1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #ifndef MEMSPYDRIVERSUSPENSIONMANAGER_H

    19 #define MEMSPYDRIVERSUSPENSIONMANAGER_H

    20 

    21 // System includes

    22 #include <e32cmn.h>

    23 #include <kern_priv.h>

    24 

    25 // Classes referenced

    26 class DMemSpyDriverDevice;

    27 

    28 

    29 class DMemSpySuspensionManager : public DBase

    30 	{

    31 public: // Construct & destruct

    32 	DMemSpySuspensionManager( DMemSpyDriverDevice& aDevice );

    33 	~DMemSpySuspensionManager();

    34 	TInt Construct();

    35 

    36 public: // API

    37     TBool IsSuspended( TUint aPid ) const;

    38     TBool IsSuspended( DThread& aThread ) const;

    39     TBool IsSuspended( DProcess& aProcess ) const;

    40     TInt SuspendAllThreadsInProcess( TUint aPid, DThread& aClientThread );

    41     TInt ResumeAllThreadsInProcess( TUint aPid, DThread& aClientThread );

    42 

    43 private: // Internal methods

    44     TInt DoSuspendAllThreadsInProcess( TUint aPid, DThread* aClientThread = NULL );

    45     TInt DoResumeAllThreadsInProcess( TUint aPid, DThread* aClientThread = NULL );

    46     TBool IsProcessTheClientThread( TUint aPid, DThread& aClientThread ) const;

    47     TBool CheckProcessSuspended( TUint aExpectedPid, DThread& aClientThread ) const;

    48 	TInt OpenTempObject(TUint aId, TObjectType aType );

    49 	void CloseTempObject();

    50 

    51 private: // Data members

    52     DMemSpyDriverDevice& iDevice;

    53 	DObject* iTempObj;

    54     TBool iAlreadySuspended;

    55 	TUint iSuspendedProcessId;

    56 	TInt iSuspendCount;

    57 	};

    58 

    59 

    60 #endif