| 1 | /*- |
| 2 | * Copyright (c) 1982, 1986 The Regents of the University of California. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. All advertising materials mentioning features or use of this software |
| 14 | * must display the following acknowledgement: |
| 15 | * This product includes software developed by the University of |
| 16 | * California, Berkeley and its contributors. |
| 17 | * 4. Neither the name of the University nor the names of its contributors |
| 18 | * may be used to endorse or promote products derived from this software |
| 19 | * without specific prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 31 | * SUCH DAMAGE. |
| 32 | * |
| 33 | * @(#)mman.h 7.5 (Berkeley) 6/27/91 |
| 34 | */ |
| 35 | |
| 36 | /* |
| 37 | * Protections are chosen from these bits, or-ed together |
| 38 | */ |
| 39 | #define PROT_READ 0x04 /* pages can be read */ |
| 40 | #define PROT_WRITE 0x02 /* pages can be written */ |
| 41 | #define PROT_EXEC 0x01 /* pages can be executed */ |
| 42 | |
| 43 | /* |
| 44 | * Flags contain mapping type, sharing type and options. |
| 45 | * Mapping type; choose one |
| 46 | */ |
| 47 | #define MAP_FILE 0x0001 /* mapped from a file or device */ |
| 48 | #define MAP_ANON 0x0002 /* allocated from memory, swap space */ |
| 49 | #define MAP_TYPE 0x000f /* mask for type field */ |
| 50 | |
| 51 | /* |
| 52 | * Sharing types; choose one |
| 53 | */ |
| 54 | #define MAP_COPY 0x0020 /* "copy" region at mmap time */ |
| 55 | #define MAP_SHARED 0x0010 /* share changes */ |
| 56 | #define MAP_PRIVATE 0x0000 /* changes are private */ |
| 57 | |
| 58 | /* |
| 59 | * Other flags |
| 60 | */ |
| 61 | #define MAP_FIXED 0x0100 /* map addr must be exactly as requested */ |
| 62 | #define MAP_NOEXTEND 0x0200 /* for MAP_FILE, don't change file size */ |
| 63 | #define MAP_HASSEMPHORE 0x0400 /* region may contain semaphores */ |
| 64 | #define MAP_INHERIT 0x0800 /* region is retained after exec */ |
| 65 | |
| 66 | /* |
| 67 | * Advice to madvise |
| 68 | */ |
| 69 | #define MADV_NORMAL 0 /* no further special treatment */ |
| 70 | #define MADV_RANDOM 1 /* expect random page references */ |
| 71 | #define MADV_SEQUENTIAL 2 /* expect sequential page references */ |
| 72 | #define MADV_WILLNEED 3 /* will need these pages */ |
| 73 | #define MADV_DONTNEED 4 /* dont need these pages */ |
| 74 | |
| 75 | #ifndef KERNEL |
| 76 | |
| 77 | #include <sys/cdefs.h> |
| 78 | |
| 79 | __BEGIN_DECLS |
| 80 | /* Some of these int's should probably be size_t's */ |
| 81 | caddr_t mmap __P((caddr_t, size_t, int, int, int, off_t)); |
| 82 | int mprotect __P((caddr_t, int, int)); |
| 83 | int munmap __P((caddr_t, int)); |
| 84 | int msync __P((caddr_t, int)); |
| 85 | __END_DECLS |
| 86 | |
| 87 | #endif /* !KERNEL */ |