--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/debug/d_eventtracker.h	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,126 @@
+// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "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:
+// e32test/debug/d_eventtracker.h
+// 
+//
+
+#ifndef __D_EVENTTRACKER_H__
+#define __D_EVENTTRACKER_H__
+
+#include "platform.h"
+
+
+/** Base class for representing objects being tracked.  */
+
+class TTrackedItem
+	{
+public:
+	TTrackedItem(const DBase* aObject);
+	
+public:
+	SDblQueLink iLink;
+	const DBase* const iObject; 		// key
+	TBool iAccountedFor;
+	};
+
+/** Subclass for representing DObjects being tracked.  */
+
+class TTrackedObject : public TTrackedItem
+	{
+public:
+	TTrackedObject(DObject* aObject, TObjectType aType);
+	TBool CheckIntegrity(const TDesC& aName, TObjectType aType) const;
+
+public:
+	TFullName iFullName;
+	const TObjectType iType;
+	};
+
+/** Subclass for representing DCodeSegs being tracked.  */
+
+class TTrackedCodeSeg : public TTrackedItem
+	{
+public:
+	TTrackedCodeSeg(const DCodeSeg* aCodeSeg);
+	TBool CheckIntegrity(TInt aAccessCount) const;
+
+public:
+	TInt iAccessCount;
+	};
+
+
+/** Event handler and container for all objects being tracked.  */
+
+class DEventTracker : public DKernelEventHandler
+	{
+public:
+	DEventTracker();
+	TInt Create(DLogicalDevice* aDevice, TBool aUseHook);
+	~DEventTracker();
+	TInt Start();
+	TInt Stop();
+
+private:
+	static TUint EventHandler(TKernelEvent aEvent, TAny* a1, TAny* a2, TAny* aThis);
+	TUint HandleEvent(TKernelEvent aType, TAny* a1, TAny* a2);
+	TInt AddExistingObjects();
+	TInt AddObjectsFromContainer(TObjectType aType);
+	TInt AddCodeSegsFromList();
+	TInt CheckIntegrity();
+	void CheckContainerIntegrity(TObjectType aType);
+	void CheckCodeSegListIntegrity();
+	void CheckAllAccountedFor();
+
+	TTrackedItem* LookupItem(DBase* aItem) const;
+
+	void AddObject(TObjectType aType, DObject* aObject);
+	void RemoveObject(TObjectType aType, DObject* aObject);
+	void UpdateObject(TObjectType aType, DObject* aObject, TBool aMustBeRenamed);
+	void AddCodeSeg(DCodeSeg* aCodeSeg, DProcess* aProcess);
+	void RemoveCodeSeg(DCodeSeg* aCodeSeg, DProcess* aProcess);
+	void ProcessLoaded(DProcess* aProcess);
+
+	void StopTracking();
+	void DumpCounters() const;
+
+	static void BranchToEventHandler();
+	static TUint BreakPointSize();
+
+	// Dummy handler to be copied into RAM
+	static TUint DummyHandler(TKernelEvent aEvent, TAny* a1, TAny* a2);
+
+	// Size of dummy handler
+	static TUint DummyHandlerSize();
+
+	// Copy the default handler
+	static void CopyDummyHandler(TLinAddr aLinAddr);
+
+private:
+	/** Lock serialising calls to event handler */
+	DMutex* iLock;
+	TBool iTracking;
+	/** Tracking list (of TTrackedItem).
+		Must be accessed only when tracking is disabled or with iLock held.
+		Object addresses are used as keys and so must be unique.
+	 */
+	SDblQue iItems;
+	TInt iOOM;
+	TInt iErrorCount;
+	TInt iCounters[EEventLimit];
+	DLogicalDevice* iDevice;	// open reference to LDD for avoiding lifetime issues
+	};
+
+GLREF_D DEventTracker* TheEventTracker;
+
+#endif // __D_EVENTTRACKER_H__