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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#ifndef MEMSPYDRIVERUSEREVENTMONITOR_H
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#define MEMSPYDRIVERUSEREVENTMONITOR_H
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// System includes
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#include <e32cmn.h>
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#include <kern_priv.h>
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#ifdef __MARM__
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#include <arm.h>
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#endif
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// User includes
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#include "MemSpyDriverEventMonitor.h"
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// Classes referenced
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class DMemSpyDriverDevice;
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class DMemSpyDriverClientEM;
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NONSHARABLE_CLASS(DMemSpyDriverClientEMManager) : public DBase
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{
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public:
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DMemSpyDriverClientEMManager( DMemSpyDriverDevice& aDevice );
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~DMemSpyDriverClientEMManager();
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TInt Create();
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public: // API
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DMemSpyDriverClientEM* EMOpen();
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TInt EMClose( TUint aHandle );
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DMemSpyDriverClientEM* EMInstance( TUint aHandle );
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private: // Internal methods
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void FreeAllInstances();
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private:
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DMemSpyDriverDevice& iDevice;
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TUint iNextHandle;
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SDblQue iEMInstances;
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};
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/**
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* This class represents a client-originated Event Monitor request
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*/
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NONSHARABLE_CLASS(DMemSpyDriverClientEM) : public DBase, public MMemSpyEventMonitorObserver
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{
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public:
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DMemSpyDriverClientEM( DMemSpyDriverDevice& aDevice, TUint aHandle );
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~DMemSpyDriverClientEM();
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TInt Create();
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public: // API
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inline TUint Handle() const { return iHandle; }
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//
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TInt NotifyChanges( DThread* aClientThread, TRequestStatus* aClientRS, TAny* aClientContext );
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TInt NotifyChangesCancel();
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public: // From MMemSpyEventMonitorObserver
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TUint EMTypeMask() const;
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void EMHandleProcessAdd( DProcess& aProcess );
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void EMHandleProcessRemoved( DProcess& aProcess );
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void EMHandleThreadAdd( DThread& aThread );
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void EMHandleThreadKilled( DThread& aThread );
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void EMHandleChunkAdd( DChunk& aChunk );
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void EMHandleChunkDeleted( DChunk& aChunk );
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private: // Internal methods
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void ResetPendingChanges();
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void CompleteClientsRequest( TInt aCompletionCode, TUint aContext = 0 );
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private: // Internal objects
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class TChange
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{
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public:
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inline TChange( TInt aCompletionCode, TUint aContext )
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: iCompletionCode( aCompletionCode ), iContext( aContext )
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{
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}
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public: // Data members
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TInt iCompletionCode;
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TUint iContext;
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SDblQueLink iLink;
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};
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private:
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DMemSpyDriverDevice& iDevice;
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DMutex* iLock;
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const TUint iHandle;
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SDblQue iPendingChanges;
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// Transient: client-originated
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DThread* iClientThread;
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TRequestStatus* iClientRS;
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TAny* iClientContext;
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public:
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SDblQueLink iLink;
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};
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#endif
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