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