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- /* $NetBSD: mman.h,v 1.11 1995/03/26 20:24:23 jtc Exp $ */
-
- /*-
- * 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.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 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 8.1 (Berkeley) 6/2/93
- */
-
- /*
- * 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 */
- #define MAP_COPY 0x0004 /* "copy" region at mmap time */
-
- /*
- * Other flags
- */
- #define MAP_FIXED 0x0010 /* map addr must be exactly as requested */
- #define MAP_RENAME 0x0020 /* Sun: rename private pages to file */
- #define MAP_NORESERVE 0x0040 /* Sun: don't reserve needed swap area */
- #define MAP_INHERIT 0x0080 /* region is retained after exec */
- #define MAP_NOEXTEND 0x0100 /* for MAP_FILE, don't change file size */
- #define MAP_HASSEMAPHORE 0x0200 /* region may contain semaphores */
-
- /*
- * Mapping type
- */
- #define MAP_FILE 0x0000 /* map from file (default) */
- #define MAP_ANON 0x1000 /* allocated from memory, swap space */
-
- /*
- * Advice to madvise
- */
- #define MADV_NORMAL 0 /* no further special treatment */
- #define MADV_RANDOM 1 /* expect random page references */
- #define MADV_SEQUENTIAL 2 /* expect sequential page references */
- #define MADV_WILLNEED 3 /* will need these pages */
- #define MADV_DONTNEED 4 /* dont need these pages */
-
- #ifndef _KERNEL
-
- #include <sys/cdefs.h>
-
- __BEGIN_DECLS
- /* Some of these int's should probably be size_t's */
- caddr_t mmap __P((caddr_t, size_t, int, int, int, off_t));
- int mprotect __P((caddr_t, size_t, int));
- int munmap __P((caddr_t, size_t));
- int msync __P((caddr_t, size_t));
- int mlock __P((caddr_t, size_t));
- int munlock __P((caddr_t, size_t));
- int madvise __P((caddr_t, size_t, int));
- __END_DECLS
-
- #endif /* !_KERNEL */
-