mmap.h File Reference

#include <libc.h>

Go to the source code of this file.

Defines
#define	PROT_NONE   0x00
#define	PROT_READ   0x01
#define	PROT_WRITE   0x02
#define	PROT_EXEC   0x04
#define	MAP_SHARED   0x0001
#define	MAP_PRIVATE   0x0002
#define	MAP_FIXED   0x0010
#define	MAP_RENAME   0x0020
#define	MAP_NORESERVE   0x0040
#define	MAP_INHERIT   0x0080
#define	MAP_NOEXTEND   0x0100
#define	MAP_HASSEMAPHORE   0x0200
#define	MAP_FILE   0x0000
#define	MAP_ANON   0x1000
#define	MAP_FAILED   ((void *) -1)
#define	MS_ASYNC   0x01
#define	MS_INVALIDATE   0x02
#define	MS_SYNC   0x04
#define	MCL_CURRENT   0x01
#define	MCL_FUTURE   0x02
#define	MADV_NORMAL   0
#define	MADV_RANDOM   1
#define	MADV_SEQUENTIAL   2
#define	MADV_WILLNEED   3
#define	MADV_DONTNEED   4
#define	MADV_SPACEAVAIL   5
#define	MADV_FREE   6
#define	MAP_INHERIT_SHARE   0
#define	MAP_INHERIT_COPY   1
#define	MAP_INHERIT_NONE   2
#define	MAP_INHERIT_DONATE_COPY   3
#define	MAP_INHERIT_DEFAULT   MAP_INHERIT_COPY
Functions
void *	mmap_file (void *addr, size_t len, int prot, int flags, int fd, off_t offset)
int	munmap_file (void *addr, size_t len)
int	getpagesize (void)
void *	mmap (void *addr, size_t len, int prot, int flags, int fd, off_t offset)
int	mprotect (void *addr, size_t len, int prot)
int	munmap (void *addr, size_t len)

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Define Documentation

#define MADV_DONTNEED   4

#define MADV_FREE   6

#define MADV_NORMAL   0

#define MADV_RANDOM   1

#define MADV_SEQUENTIAL   2

#define MADV_SPACEAVAIL   5

#define MADV_WILLNEED   3

#define MAP_ANON   0x1000

#define MAP_FAILED   ((void *) -1)

#define MAP_FILE   0x0000

#define MAP_FIXED   0x0010

#define MAP_HASSEMAPHORE   0x0200

#define MAP_INHERIT   0x0080

#define MAP_INHERIT_COPY   1

#define MAP_INHERIT_DEFAULT   MAP_INHERIT_COPY

#define MAP_INHERIT_DONATE_COPY   3

#define MAP_INHERIT_NONE   2

#define MAP_INHERIT_SHARE   0

#define MAP_NOEXTEND   0x0100

#define MAP_NORESERVE   0x0040

#define MAP_PRIVATE   0x0002

#define MAP_RENAME   0x0020

#define MAP_SHARED   0x0001

#define MCL_CURRENT   0x01

#define MCL_FUTURE   0x02

#define MS_ASYNC   0x01

#define MS_INVALIDATE   0x02

#define MS_SYNC   0x04

#define PROT_EXEC   0x04

#define PROT_NONE   0x00

#define PROT_READ   0x01

#define PROT_WRITE   0x02

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Function Documentation

int getpagesize (  void   )

void* mmap (  void *  addr, size_t  len, int  prot, int  flags, int  fd, off_t  offset )

void* mmap_file (  void *  addr, size_t  len, int  prot, int  flags, int  fd, off_t  offset )

int mprotect (  void *  addr, size_t  len, int  prot )

temporary *bad* implementation as it unmaps addr before remappint it with new protection

int munmap (  void *  addr, size_t  len )

int munmap_file (  void *  addr, size_t  len )

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