diff -r 000000000000 -r bde4ae8d615e os/ossrv/genericopenlibs/openenvcore/backend/inc/mmapcontrollernode.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/ossrv/genericopenlibs/openenvcore/backend/inc/mmapcontrollernode.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,109 @@
+/*
+* Copyright (c) 2005-2009 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:  Declaration of CMmapControllerNode
+*
+*/
+
+
+
+#ifndef MMAP_CONTROLLER_NODE_H
+#define MMAP_CONTROLLER_NODE_H
+
+//  INCLUDES
+#include <e32base.h>
+#include <e32std.h>
+#include "mmapmemorynode.h"
+#include "base.h"
+
+// CONSTANTS
+
+// MACROS
+
+// FORWARD DECLARATIONS
+class CMmapMemoryNode;
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// CLASS DECLARATION
+
+/*
+*  This class is responsible to managing the memory mapped nodes.
+*  This will maintain the mapped memory in a list format.
+*  @since MRT 2.0
+*/
+NONSHARABLE_CLASS ( CMmapControllerNode ): public BBase
+    {
+public:
+    /*
+    * 1st phase constructor. 
+    */
+    static CMmapControllerNode * NewL();
+    
+    /*
+    * Default destructor.
+    */
+    ~CMmapControllerNode();
+    
+    /*
+    * To create a mapped memory and add in mmap node list
+    */
+    
+    static TAny* AddMmapNodeL(struct _reent *r, size_t len, int flag, \
+					   int shmflg, int fildes, off_t offset, size_t maplen);
+	
+	/*
+    * To unmap a mapped memory and delete from mmap node list
+    */
+					   
+    int DeleteMmapNode(TAny* aAddr, int& anerror);
+    
+    /*
+    * To sync a mapped memory into the file below
+    */
+					   
+    int SyncMmapNode(TAny* aAddr, size_t len, int flags, int& anerror);
+    
+    /*
+    * To modify protection mode of a mapped memory.
+    */
+    
+    int ChprotMmapNode(const TAny* addr, size_t len, int prot, int& anerrno);
+    
+    /*
+    * To delete a mapped memory from node list.
+    */
+    
+    static void RemoveControllerL(void *p);
+    
+private:
+    /*
+    * Default constructor.
+    */
+    CMmapControllerNode();
+    
+    /*
+    * 2nd phase constructor.    
+    */
+    void ConstructL();
+
+private: // data    
+    TSglQue<CMmapMemoryNode> iMmapQueue;
+    TSglQueIter<CMmapMemoryNode> iMmapQueueIter;
+    };
+
+#endif // MMAP_CONTROLLER_NODE_H
+
+// End of File