csutil/win32/mmap.h
Go to the documentation of this file.00001 /* 00002 Copyright (C) 2005 by Jorrit Tyberghein 00003 (C) 2005 Frank Richter 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00018 */ 00019 00020 #ifndef __CS_CSUTIL_WIN32_MMAP_H__ 00021 #define __CS_CSUTIL_WIN32_MMAP_H__ 00022 00023 #include "csextern.h" 00024 00035 class CS_CRYSTALSPACE_EXPORT csPlatformMemoryMappingWin32 00036 { 00037 public: 00038 struct PlatformMemoryMapping 00039 { 00040 void* realPtr; 00041 }; 00042 protected: 00044 HANDLE hMappedFile; 00046 HANDLE hFileMapping; 00047 00048 size_t granularity; 00049 00051 csPlatformMemoryMappingWin32 (); 00053 ~csPlatformMemoryMappingWin32 (); 00054 00055 bool OpenNative (const char* filename); 00056 bool Ok(); 00057 size_t GetMaxSize (); 00058 00066 void MapWindow (PlatformMemoryMapping& mapping, size_t offset, size_t len); 00068 void UnmapWindow (PlatformMemoryMapping& mapping); 00069 }; 00070 00071 00072 #endif // __CS_CSUTIL_WIN32_MMAP_H__
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