/*
 * 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
#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)


__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		shm_open(const char* name, int openMode, mode_t permissions);
int		shm_unlink(const char* name);

__END_DECLS


#endif	// _SYS_MMAN_H