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1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
26: /*-
27: * Copyright (c) 1982, 1986, 1993
28: * The Regents of the University of California. All rights reserved.
29: *
30: * Redistribution and use in source and binary forms, with or without
31: * modification, are permitted provided that the following conditions
32: * are met:
33: * 1. Redistributions of source code must retain the above copyright
34: * notice, this list of conditions and the following disclaimer.
35: * 2. Redistributions in binary form must reproduce the above copyright
36: * notice, this list of conditions and the following disclaimer in the
37: * documentation and/or other materials provided with the distribution.
38: * 3. All advertising materials mentioning features or use of this software
39: * must display the following acknowledgement:
40: * This product includes software developed by the University of
41: * California, Berkeley and its contributors.
42: * 4. Neither the name of the University nor the names of its contributors
43: * may be used to endorse or promote products derived from this software
44: * without specific prior written permission.
45: *
46: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
47: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
50: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
51: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
52: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
53: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
54: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
55: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56: * SUCH DAMAGE.
57: *
58: * @(#)mman.h 8.2 (Berkeley) 1/9/95
59: */
60:
61: #ifndef _SYS_MMAN_H_
62: #define _SYS_MMAN_H_
63:
64: /*
65: * Protections are chosen from these bits, or-ed together
66: */
67: #define PROT_NONE 0x00 /* no permissions */
68: #define PROT_READ 0x01 /* pages can be read */
69: #define PROT_WRITE 0x02 /* pages can be written */
70: #define PROT_EXEC 0x04 /* pages can be executed */
71:
72: /*
73: * Flags contain sharing type and options.
74: * Sharing types; choose one.
75: */
76: #define MAP_SHARED 0x0001 /* share changes */
77: #define MAP_PRIVATE 0x0002 /* changes are private */
78: #define MAP_COPY 0x0004 /* "copy" region at mmap time */
79:
80: /*
81: * Other flags
82: */
83: #define MAP_FIXED 0x0010 /* map addr must be exactly as requested */
84: #define MAP_RENAME 0x0020 /* Sun: rename private pages to file */
85: #define MAP_NORESERVE 0x0040 /* Sun: don't reserve needed swap area */
86: #define MAP_INHERIT 0x0080 /* region is retained after exec */
87: #define MAP_NOEXTEND 0x0100 /* for MAP_FILE, don't change file size */
88: #define MAP_HASSEMAPHORE 0x0200 /* region may contain semaphores */
89:
90: /*
91: * Mapping type
92: */
93: #define MAP_FILE 0x0000 /* map from file (default) */
94: #define MAP_ANON 0x1000 /* allocated from memory, swap space */
95:
96: /*
97: * Advice to madvise
98: */
99: #define MADV_NORMAL 0 /* no further special treatment */
100: #define MADV_RANDOM 1 /* expect random page references */
101: #define MADV_SEQUENTIAL 2 /* expect sequential page references */
102: #define MADV_WILLNEED 3 /* will need these pages */
103: #define MADV_DONTNEED 4 /* dont need these pages */
104:
105: #ifndef _KERNEL
106:
107: #include <sys/cdefs.h>
108:
109: __BEGIN_DECLS
110: /* Some of these int's should probably be size_t's */
111: caddr_t mmap __P((caddr_t, size_t, int, int, int, off_t));
112: int mprotect __P((caddr_t, size_t, int));
113: int munmap __P((caddr_t, size_t));
114: int msync __P((caddr_t, size_t));
115: int mlock __P((caddr_t, size_t));
116: int munlock __P((caddr_t, size_t));
117: int madvise __P((caddr_t, size_t, int));
118: __END_DECLS
119:
120: #endif /* !_KERNEL */
121: #endif /* !_SYS_MMAN_H_ */
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