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// -*- c-basic-offset: 4 -*-
/*
Rosegarden-4
A sequencer and musical notation editor.
This program is Copyright 2000-2003
Guillaume Laurent <glaurent@telegraph-road.org>,
Chris Cannam <cannam@all-day-breakfast.com>,
Richard Bown <bownie@bownie.com>
The moral right of the authors to claim authorship of this work
has been asserted.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#ifndef _FILE_MMAPER_H_
#define _FILE_MMAPER_H_
#include <string>
class FileMmapper
{
public:
FileMmapper(std::string fileName, bool readOnly);
virtual ~FileMmapper();
virtual void doMmap();
protected:
virtual void setFileSize(size_t);
virtual void computeMmapSize() = 0;
//--------------- Data members ---------------------------------
std::string m_fileName;
bool m_readOnly;
int m_openMode;
int m_fd;
void* m_mmappedBuffer;
size_t m_mmappedSize;
static const int RW_OPEN_MODE;
static const int RO_OPEN_MODE;
static const int RW_MMAP_MODE;
static const int RO_MMAP_MODE;
}
#endif
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