--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/perfsrv/memspy/Driver/Kernel/Include/MemSpyDriverUserEventMonitor.h	Mon Sep 06 15:00:47 2010 +0300
@@ -0,0 +1,119 @@
+/*
+* Copyright (c) 2009 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:
+*
+*/
+
+#ifndef MEMSPYDRIVERUSEREVENTMONITOR_H
+#define MEMSPYDRIVERUSEREVENTMONITOR_H
+
+// System includes
+#include <e32cmn.h>
+#include <kern_priv.h>
+#ifdef __MARM__
+#include <arm.h>
+#endif
+
+// User includes
+#include "MemSpyDriverEventMonitor.h"
+
+// Classes referenced
+class DMemSpyDriverDevice;
+class DMemSpyDriverClientEM;
+
+
+class DMemSpyDriverClientEMManager : public DBase
+    {
+public:
+    DMemSpyDriverClientEMManager( DMemSpyDriverDevice& aDevice );
+    ~DMemSpyDriverClientEMManager();
+    TInt Create();
+    
+public: // API
+    DMemSpyDriverClientEM* EMOpen();
+    TInt EMClose( TUint aHandle );
+    DMemSpyDriverClientEM* EMInstance( TUint aHandle );
+
+private: // Internal methods
+    void FreeAllInstances();
+
+private:
+    DMemSpyDriverDevice& iDevice;
+    TUint iNextHandle;
+	SDblQue iEMInstances;
+    };
+
+
+/**
+ * This class represents a client-originated Event Monitor request
+ */
+class DMemSpyDriverClientEM : public DBase, public MMemSpyEventMonitorObserver
+	{
+public:
+	DMemSpyDriverClientEM( DMemSpyDriverDevice& aDevice, TUint aHandle );
+	~DMemSpyDriverClientEM();
+    TInt Create();
+
+public: // API
+    inline TUint Handle() const { return iHandle; }
+    //
+	TInt NotifyChanges( DThread* aClientThread, TRequestStatus* aClientRS, TAny* aClientContext );
+	TInt NotifyChangesCancel();
+
+public: // From MMemSpyEventMonitorObserver
+    TUint EMTypeMask() const;
+    void EMHandleProcessAdd( DProcess& aProcess );
+    void EMHandleProcessRemoved( DProcess& aProcess );
+    void EMHandleThreadAdd( DThread& aThread );
+    void EMHandleThreadKilled( DThread& aThread );
+    void EMHandleChunkAdd( DChunk& aChunk );
+    void EMHandleChunkDeleted( DChunk& aChunk );
+
+private: // Internal methods
+    void ResetPendingChanges();
+    void CompleteClientsRequest( TInt aCompletionCode, TUint aContext = 0 );
+
+private: // Internal objects
+
+    class TChange
+        {
+    public:
+        inline TChange( TInt aCompletionCode, TUint aContext )
+        :   iCompletionCode( aCompletionCode ), iContext( aContext )
+            {
+            }
+
+    public: // Data members
+        TInt iCompletionCode;
+    	TUint iContext;
+    	SDblQueLink iLink;
+        };
+
+private:
+    DMemSpyDriverDevice& iDevice;
+	DMutex* iLock;
+    const TUint iHandle;
+	SDblQue iPendingChanges;
+
+    // Transient: client-originated
+    DThread* iClientThread;
+    TRequestStatus* iClientRS;
+    TAny* iClientContext;
+
+public:
+    SDblQueLink iLink;
+	};
+
+
+#endif