diff -r 000000000000 -r 8e480a14352b messagingfw/msgsrvnstore/server/inc/MSVINVR.H
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingfw/msgsrvnstore/server/inc/MSVINVR.H	Mon Jan 18 20:36:02 2010 +0200
@@ -0,0 +1,72 @@
+// Copyright (c) 1998-2009 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:
+//
+
+
+#if !defined( __MSVINVR_H )
+#define __MSVINVR_H
+
+#if !defined(__E32BASE_H__)
+#include <e32base.h>
+#endif
+
+#define __DECLARE_DEBUG  __DECLARE_TEST
+
+#if defined(_DEBUG)
+
+template <class T>
+struct CheckInvariant
+	{
+	static void Check(TAny* aPtr)
+		{((T*)aPtr)->__DbgTestInvariant();}
+	};
+
+template <class T>
+inline TCleanupOperation CheckInvariantFunction(T*)
+	{return CheckInvariant<T>::Check;}
+
+class __DbgInvariant
+	{
+public:
+	inline __DbgInvariant(TCleanupOperation aOp,TAny* aPtr)
+		:iOp(aOp), iPtr(aPtr)
+		{}
+	inline ~__DbgInvariant()
+		{iOp(iPtr);}
+private:
+	TCleanupOperation iOp;
+	TAny* iPtr;
+	};
+
+class __DbgInvariantL
+	{
+public:
+	inline __DbgInvariantL(TCleanupOperation aOp,TAny* aPtr)
+		{CleanupStack::PushL(TCleanupItem(aOp,aPtr));}
+	inline ~__DbgInvariantL()
+		{CleanupStack::PopAndDestroy();}
+	};
+
+#define __DEBUG_INVARIANT_ONEXIT    __DbgInvariant __invariant(CheckInvariantFunction(this),this)
+#define __DEBUG_INVARIANT_ONEXIT_L  __DbgInvariantL __invariant(CheckInvariantFunction(this),this)
+
+#else // defined( _DEBUG )
+
+#define __DEBUG_INVARIANT_ONEXIT    
+#define __DEBUG_INVARIANT_ONEXIT_L  
+//#define __DECLARE_DEBUG
+
+#endif
+
+#endif // __MSVINVR_H