/*
* 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