/*-

 * Copyright (c) 1982, 1986, 1993

 *	The Regents of the University of California.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 4. Neither the name of the University nor the names of its contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 *	@(#)mman.h	8.2 (Berkeley) 1/9/95

 * $FreeBSD: src/sys/sys/mman.h,v 1.40 2005/04/02 12:33:31 das Exp $

 */

#ifndef _SYS_MMAN_H_

#define _SYS_MMAN_H_

#ifdef __cplusplus

 extern "C" 

 { 

  #endif

#include <sys/cdefs.h>

#include <sys/_types.h>

#if __BSD_VISIBLE

/*

 * Inheritance for minherit()

 */

#define INHERIT_SHARE	0

#define INHERIT_COPY	1

#define INHERIT_NONE	2

#endif

/*

 * Protections are chosen from these bits, or-ed together

 */

#define	PROT_NONE	0x00	/* no permissions */

#define	PROT_READ	0x01	/* pages can be read */

#define	PROT_WRITE	0x02	/* pages can be written */

#define	PROT_EXEC	0x04	/* pages can be executed */

/*

 * Flags contain sharing type and options.

 * Sharing types; choose one.

 */

#define	MAP_SHARED	0x0001		/* share changes */

#define	MAP_PRIVATE	0x0002		/* changes are private */

#if __BSD_VISIBLE

#define	MAP_COPY	MAP_PRIVATE	/* Obsolete */

#endif

/*

 * Other flags

 */

#define	MAP_FIXED	 0x0010	/* map addr must be exactly as requested */

/*

 * Error return from mmap()

 */

#define MAP_FAILED	((void *)-1)

/*

 * msync() flags

 */

#define	MS_SYNC		0x0000	/* msync synchronously */

#define MS_ASYNC	0x0001	/* return immediately */

#define MS_INVALIDATE	0x0002	/* invalidate all cached data */

#ifndef _MODE_T_DECLARED

typedef	__mode_t	mode_t;

#define	_MODE_T_DECLARED

#endif

#ifndef _OFF_T_DECLARED

typedef	__off_t		off_t;

#define	_OFF_T_DECLARED

#endif

#ifndef _SIZE_T_DECLARED

typedef	__size_t	size_t;

#define	_SIZE_T_DECLARED

#endif

#ifndef _KERNEL

__BEGIN_DECLS

/*

 * XXX not yet implemented: posix_mem_offset(), posix_typed_mem_get_info(),

 * posix_typed_mem_open().

 */

#ifndef _MMAP_DECLARED

#define	_MMAP_DECLARED

IMPORT_C void *	mmap(void *, size_t, int, int, int, off_t);

#endif

IMPORT_C int	mprotect(const void *, size_t, int);

IMPORT_C int	msync(void *, size_t, int);

IMPORT_C int	munmap(void *, size_t);

__END_DECLS

#endif /* !_KERNEL */

#ifdef __cplusplus

}

#endif	//__cplusplus

#endif /* !_SYS_MMAN_H_ */