diff -r 000000000000 -r 044383f39525 imgtools/imglib/memmap/include/memmaputils.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/imgtools/imglib/memmap/include/memmaputils.h Tue Oct 27 16:36:35 2009 +0000 @@ -0,0 +1,86 @@ +/* +* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of the License "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(__MEMMAPUTILS_H__) +#define __MEMMAPUTILS_H__ + +#ifdef WIN32 +#include +#include +#endif + +#include +#include +#include +#include +#include +#include + +#include "h_utl.h" + +typedef std::string String; +typedef std::ofstream Ofstream; + +const int KStatTrue = 1; +const int KStatFalse = 0; + +/** +class MemmapUtils + +@internalComponent +@released +*/ +class MemmapUtils +{ +private: + // Memory map file descriptor + int iHFile; + +#ifdef WIN32 + // Windows specific Memory map object handle + HANDLE iHMMFile; +#endif + // Map file name + String iMapFileName; + +public: + MemmapUtils(); + ~MemmapUtils(); + + // Generate temporary file name + void GetMapFileName(String& aFile); + + // Create the memory map + void* OpenMemMapPointer(unsigned long aOffset, unsigned long aSize); + // Close the memory map + int CloseMemMapPointer(void* aData, unsigned long aSize); + // Open the file for memory mapping + int OpenMapFile(); + // Close the memory mapped file + void CloseMapFile(); + // Delete the memory mapped file + void DeleteMapFile(); + + int IsMapFileOpen(); + + // Windows specific file mapping object + int CreateFileMapObject(unsigned long aSize); + void CloseFileMapObject(); +}; + +#endif //__MEMMAPUTILS_H__