haiku/headers/posix/sys/mman.h

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/*
* Copyright 2008, Haiku Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _SYS_MMAN_H
#define _SYS_MMAN_H
#include <sys/cdefs.h>
#include <sys/types.h>
/* memory protection for mmap() and others; assignment compatible with
B_{READ,WRITE,EXECUTE}_AREA */
#define PROT_READ 0x01
#define PROT_WRITE 0x02
#define PROT_EXEC 0x04
#define PROT_NONE 0x00
/* mmap() flags */
#define MAP_SHARED 0x01 /* changes are seen by others */
#define MAP_PRIVATE 0x02 /* changes are only seen by caller */
#define MAP_FIXED 0x04 /* require mapping to specified addr */
#define MAP_ANONYMOUS 0x08 /* no underlying object */
#define MAP_ANON MAP_ANONYMOUS
/* mmap() error return code */
#define MAP_FAILED ((void*)-1)
/* msync() flags */
#define MS_ASYNC 0x01
#define MS_SYNC 0x02
#define MS_INVALIDATE 0x04
/* posix_madvise() values */
#define POSIX_MADV_NORMAL 1
#define POSIX_MADV_SEQUENTIAL 2
#define POSIX_MADV_RANDOM 3
#define POSIX_MADV_WILLNEED 4
#define POSIX_MADV_DONTNEED 5
__BEGIN_DECLS
void* mmap(void* address, size_t length, int protection, int flags,
int fd, off_t offset);
int munmap(void* address, size_t length);
int mprotect(void* address, size_t length, int protection);
int msync(void* address, size_t length, int flags);
int posix_madvise(void* address, size_t length, int advice);
int shm_open(const char* name, int openMode, mode_t permissions);
int shm_unlink(const char* name);
__END_DECLS
#endif /* _SYS_MMAN_H */