mirror of https://github.com/mpv-player/mpv
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/*
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* mmap declaration header for systems with missing/nonfunctional sys/mman.h
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*
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* Copyright (c) 2008 KO Myung-Hun (komh@chollian.net)
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPLAYER_MMAP_H
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#define MPLAYER_MMAP_H
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#include <sys/types.h>
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/*
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* Protections are chosen from these bits, or-ed together
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*/
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#define PROT_NONE 0x00 /* no permissions */
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#define PROT_READ 0x01 /* pages can be read */
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#define PROT_WRITE 0x02 /* pages can be written */
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#define PROT_EXEC 0x04 /* pages can be executed */
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/*
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* Flags contain sharing type and options.
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* Sharing types; choose one.
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*/
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#define MAP_SHARED 0x0001 /* share changes */
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#define MAP_PRIVATE 0x0002 /* changes are private */
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#define MAP_FIXED 0x0010 /* map addr must be exactly as requested */
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/*
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* Mapping type
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*/
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#define MAP_ANON 0x1000 /* allocated from memory, swap space */
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/* MAP_FAILED is defined in config.h */
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#ifndef _MMAP_DECLARED
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#define _MMAP_DECLARED
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void *mmap( void *addr, size_t len, int prot, int flags, int fildes, off_t off );
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#endif
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int munmap( void *addr, size_t len );
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int mprotect( void *addr, size_t len, int prot );
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#endif /* MPLAYER_MMAP_H */
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