sl@0: /*
sl@0: * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description:  Declaration of CMmapControllerNode
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: 
sl@0: #ifndef MMAP_CONTROLLER_NODE_H
sl@0: #define MMAP_CONTROLLER_NODE_H
sl@0: 
sl@0: //  INCLUDES
sl@0: #include <e32base.h>
sl@0: #include <e32std.h>
sl@0: #include "mmapmemorynode.h"
sl@0: #include "base.h"
sl@0: 
sl@0: // CONSTANTS
sl@0: 
sl@0: // MACROS
sl@0: 
sl@0: // FORWARD DECLARATIONS
sl@0: class CMmapMemoryNode;
sl@0: 
sl@0: // DATA TYPES
sl@0: 
sl@0: // FUNCTION PROTOTYPES
sl@0: 
sl@0: // CLASS DECLARATION
sl@0: 
sl@0: /*
sl@0: *  This class is responsible to managing the memory mapped nodes.
sl@0: *  This will maintain the mapped memory in a list format.
sl@0: *  @since MRT 2.0
sl@0: */
sl@0: NONSHARABLE_CLASS ( CMmapControllerNode ): public BBase
sl@0:     {
sl@0: public:
sl@0:     /*
sl@0:     * 1st phase constructor. 
sl@0:     */
sl@0:     static CMmapControllerNode * NewL();
sl@0:     
sl@0:     /*
sl@0:     * Default destructor.
sl@0:     */
sl@0:     ~CMmapControllerNode();
sl@0:     
sl@0:     /*
sl@0:     * To create a mapped memory and add in mmap node list
sl@0:     */
sl@0:     
sl@0:     static TAny* AddMmapNodeL(struct _reent *r, size_t len, int flag, \
sl@0: 					   int shmflg, int fildes, off_t offset, size_t maplen);
sl@0: 	
sl@0: 	/*
sl@0:     * To unmap a mapped memory and delete from mmap node list
sl@0:     */
sl@0: 					   
sl@0:     int DeleteMmapNode(TAny* aAddr, int& anerror);
sl@0:     
sl@0:     /*
sl@0:     * To sync a mapped memory into the file below
sl@0:     */
sl@0: 					   
sl@0:     int SyncMmapNode(TAny* aAddr, size_t len, int flags, int& anerror);
sl@0:     
sl@0:     /*
sl@0:     * To modify protection mode of a mapped memory.
sl@0:     */
sl@0:     
sl@0:     int ChprotMmapNode(const TAny* addr, size_t len, int prot, int& anerrno);
sl@0:     
sl@0:     /*
sl@0:     * To delete a mapped memory from node list.
sl@0:     */
sl@0:     
sl@0:     static void RemoveControllerL(void *p);
sl@0:     
sl@0: private:
sl@0:     /*
sl@0:     * Default constructor.
sl@0:     */
sl@0:     CMmapControllerNode();
sl@0:     
sl@0:     /*
sl@0:     * 2nd phase constructor.    
sl@0:     */
sl@0:     void ConstructL();
sl@0: 
sl@0: private: // data    
sl@0:     TSglQue<CMmapMemoryNode> iMmapQueue;
sl@0:     TSglQueIter<CMmapMemoryNode> iMmapQueueIter;
sl@0:     };
sl@0: 
sl@0: #endif // MMAP_CONTROLLER_NODE_H
sl@0: 
sl@0: // End of File