Public API Reference

csutil/win32/mmap.h

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/*
    Copyright (C) 2005 by Jorrit Tyberghein
              (C) 2005 Frank Richter

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#ifndef __CS_CSUTIL_WIN32_MMAP_H__
#define __CS_CSUTIL_WIN32_MMAP_H__

#include "csextern.h"

class CS_CRYSTALSPACE_EXPORT csPlatformMemoryMappingWin32
{
public:
  struct PlatformMemoryMapping
  {
    void* realPtr;
  };
protected:
  HANDLE hMappedFile;
  HANDLE hFileMapping;
  
  size_t granularity;

  csPlatformMemoryMappingWin32 ();
  ~csPlatformMemoryMappingWin32 ();
  
  bool OpenNative (const char* filename);
  bool Ok();
  size_t GetMaxSize ();
  
  void MapWindow (PlatformMemoryMapping& mapping, size_t offset, size_t len);
  void UnmapWindow (PlatformMemoryMapping& mapping);
};


#endif // __CS_CSUTIL_WIN32_MMAP_H__

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