source: rtems-tools/rtemstoolkit/win32/sys/mman.h @ 3badbb0

/*-
 * 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: releng/9.0/sys/sys/mman.h 211937 2010-08-28 16:57:07Z alc $
 */

#ifndef _SYS_MMAN_H_
#define _SYS_MMAN_H_

#include <sys/cdefs.h>
#include <sys/types.h>

/*
 * 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 */

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

/*
 * Mapping type
 */
#define MAP_FILE         0x0000 /* map from file (default) */
#define MAP_ANON         0x1000 /* allocated from memory, swap space */

/*
 * 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 */

__BEGIN_DECLS
#ifndef _MMAP_DECLARED
#define _MMAP_DECLARED
void *  mmap(void *, size_t, int, int, int, off_t);
#endif
#if NOT_IMPLEMENTED
int     mprotect(const void *, size_t, int);
int     msync(void *, size_t, int);
int     munlock(const void *, size_t);
#endif
int     munmap(void *, size_t);
__END_DECLS

#endif /* !_SYS_MMAN_H_ */