| | 1 | /* |
| | 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * The contents of this file constitute Original Code as defined in and |
| | 7 | * are subject to the Apple Public Source License Version 1.1 (the |
| | 8 | * "License"). You may not use this file except in compliance with the |
| | 9 | * License. Please obtain a copy of the License at |
| | 10 | * http://www.apple.com/publicsource and read it before using this file. |
| | 11 | * |
| | 12 | * This Original Code and all software distributed under the License are |
| | 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the |
| | 17 | * License for the specific language governing rights and limitations |
| | 18 | * under the License. |
| | 19 | * |
| | 20 | * @APPLE_LICENSE_HEADER_END@ |
| | 21 | */ |
| | 22 | /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ |
| | 23 | /*- |
| | 24 | * Copyright (c) 1982, 1986, 1993 |
| | 25 | * The Regents of the University of California. All rights reserved. |
| | 26 | * |
| | 27 | * Redistribution and use in source and binary forms, with or without |
| | 28 | * modification, are permitted provided that the following conditions |
| | 29 | * are met: |
| | 30 | * 1. Redistributions of source code must retain the above copyright |
| | 31 | * notice, this list of conditions and the following disclaimer. |
| | 32 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 33 | * notice, this list of conditions and the following disclaimer in the |
| | 34 | * documentation and/or other materials provided with the distribution. |
| | 35 | * 3. All advertising materials mentioning features or use of this software |
| | 36 | * must display the following acknowledgement: |
| | 37 | * This product includes software developed by the University of |
| | 38 | * California, Berkeley and its contributors. |
| | 39 | * 4. Neither the name of the University nor the names of its contributors |
| | 40 | * may be used to endorse or promote products derived from this software |
| | 41 | * without specific prior written permission. |
| | 42 | * |
| | 43 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| | 44 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 45 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 46 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | 47 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 48 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 49 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 50 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 51 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 52 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 53 | * SUCH DAMAGE. |
| | 54 | * |
| | 55 | * @(#)mman.h 8.1 (Berkeley) 6/2/93 |
| | 56 | */ |
| | 57 | |
| | 58 | #ifndef _SYS_MMAN_H_ |
| | 59 | #define _SYS_MMAN_H_ |
| | 60 | |
| | 61 | #include <mach/shared_memory_server.h> |
| | 62 | |
| | 63 | /* |
| | 64 | * Protections are chosen from these bits, or-ed together |
| | 65 | */ |
| | 66 | #define PROT_NONE 0x00 /* no permissions */ |
| | 67 | #define PROT_READ 0x01 /* pages can be read */ |
| | 68 | #define PROT_WRITE 0x02 /* pages can be written */ |
| | 69 | #define PROT_EXEC 0x04 /* pages can be executed */ |
| | 70 | |
| | 71 | /* |
| | 72 | * Flags contain sharing type and options. |
| | 73 | * Sharing types; choose one. |
| | 74 | */ |
| | 75 | #define MAP_SHARED 0x0001 /* share changes */ |
| | 76 | #define MAP_PRIVATE 0x0002 /* changes are private */ |
| | 77 | #define MAP_COPY MAP_PRIVATE /* Obsolete */ |
| | 78 | |
| | 79 | /* |
| | 80 | * Other flags |
| | 81 | */ |
| | 82 | #define MAP_FIXED 0x0010 /* map addr must be exactly as requested */ |
| | 83 | #define MAP_RENAME 0x0020 /* Sun: rename private pages to file */ |
| | 84 | #define MAP_NORESERVE 0x0040 /* Sun: don't reserve needed swap area */ |
| | 85 | #define MAP_INHERIT 0x0080 /* region is retained after exec */ |
| | 86 | #define MAP_NOEXTEND 0x0100 /* for MAP_FILE, don't change file size */ |
| | 87 | #define MAP_HASSEMAPHORE 0x0200 /* region may contain semaphores */ |
| | 88 | |
| | 89 | #ifdef _P1003_1B_VISIBLE |
| | 90 | /* |
| | 91 | * Process memory locking |
| | 92 | */ |
| | 93 | #define MCL_CURRENT 0x0001 /* Lock only current memory */ |
| | 94 | #define MCL_FUTURE 0x0002 /* Lock all future memory as well */ |
| | 95 | |
| | 96 | #endif /* _P1003_1B_VISIBLE */ |
| | 97 | |
| | 98 | /* |
| | 99 | * Error return from mmap() |
| | 100 | */ |
| | 101 | #define MAP_FAILED ((void *)-1) |
| | 102 | |
| | 103 | /* |
| | 104 | * msync() flags |
| | 105 | */ |
| | 106 | #define MS_SYNC 0x0000 /* msync synchronously */ |
| | 107 | #define MS_ASYNC 0x0001 /* return immediately */ |
| | 108 | #define MS_INVALIDATE 0x0002 /* invalidate all cached data */ |
| | 109 | |
| | 110 | #ifndef _POSIX_SOURCE |
| | 111 | #define MS_KILLPAGES 0x0004 /* invalidate pages, leave mapped */ |
| | 112 | #define MS_DEACTIVATE 0x0008 /* deactivate pages, leave mapped */ |
| | 113 | #endif |
| | 114 | |
| | 115 | /* |
| | 116 | * Mapping type |
| | 117 | */ |
| | 118 | #define MAP_FILE 0x0000 /* map from file (default) */ |
| | 119 | #define MAP_ANON 0x1000 /* allocated from memory, swap space */ |
| | 120 | |
| | 121 | /* |
| | 122 | * Advice to madvise |
| | 123 | */ |
| | 124 | #define MADV_NORMAL 0 /* no further special treatment */ |
| | 125 | #define MADV_RANDOM 1 /* expect random page references */ |
| | 126 | #define MADV_SEQUENTIAL 2 /* expect sequential page references */ |
| | 127 | #define MADV_WILLNEED 3 /* will need these pages */ |
| | 128 | #define MADV_DONTNEED 4 /* dont need these pages */ |
| | 129 | #define MADV_FREE 5 /* dont need these pages, and junk contents */ |
| | 130 | |
| | 131 | /* |
| | 132 | * Return bits from mincore |
| | 133 | */ |
| | 134 | #define MINCORE_INCORE 0x1 /* Page is incore */ |
| | 135 | #define MINCORE_REFERENCED 0x2 /* Page has been referenced by us */ |
| | 136 | #define MINCORE_MODIFIED 0x4 /* Page has been modified by us */ |
| | 137 | #define MINCORE_REFERENCED_OTHER 0x8 /* Page has been referenced */ |
| | 138 | #define MINCORE_MODIFIED_OTHER 0x10 /* Page has been modified */ |
| | 139 | |
| | 140 | #ifndef KERNEL |
| | 141 | |
| | 142 | #include <sys/cdefs.h> |
| | 143 | |
| | 144 | __BEGIN_DECLS |
| | 145 | #ifdef _P1003_1B_VISIBLE |
| | 146 | int mlockall __P((int)); |
| | 147 | int munlockall __P((void)); |
| | 148 | #endif /* _P1003_1B_VISIBLE */ |
| | 149 | int mlock __P((const void *, size_t)); |
| | 150 | #ifndef _MMAP_DECLARED |
| | 151 | #define _MMAP_DECLARED |
| | 152 | void * mmap __P((void *, size_t, int, int, int, off_t)); |
| | 153 | #endif |
| | 154 | int mprotect __P((const void *, size_t, int)); |
| | 155 | int msync __P((void *, size_t, int)); |
| | 156 | int munlock __P((const void *, size_t)); |
| | 157 | int munmap __P((void *, size_t)); |
| | 158 | int shm_open __P((const char *, int, ...)); |
| | 159 | int shm_unlink __P((const char *)); |
| | 160 | #ifndef _POSIX_SOURCE |
| | 161 | int load_shared_file __P((char *, caddr_t, u_long, caddr_t *, int, sf_mapping_t *, int *)); |
| | 162 | int reset_shared_file __P((caddr_t *, int, sf_mapping_t *)); |
| | 163 | int madvise __P((void *, size_t, int)); |
| | 164 | int mincore __P((const void *, size_t, char *)); |
| | 165 | int minherit __P((void *, size_t, int)); |
| | 166 | #endif |
| | 167 | __END_DECLS |
| | 168 | |
| | 169 | #endif /* !KERNEL */ |
| | 170 | #endif /* !_SYS_MMAN_H_ */ |
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