1 | /* |
2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | /* $NetBSD: syslimits.h,v 1.15 1997/06/25 00:48:09 lukem Exp $ */ |
29 | |
30 | /* |
31 | * Copyright (c) 1988, 1993 |
32 | * The Regents of the University of California. All rights reserved. |
33 | * |
34 | * Redistribution and use in source and binary forms, with or without |
35 | * modification, are permitted provided that the following conditions |
36 | * are met: |
37 | * 1. Redistributions of source code must retain the above copyright |
38 | * notice, this list of conditions and the following disclaimer. |
39 | * 2. Redistributions in binary form must reproduce the above copyright |
40 | * notice, this list of conditions and the following disclaimer in the |
41 | * documentation and/or other materials provided with the distribution. |
42 | * 3. All advertising materials mentioning features or use of this software |
43 | * must display the following acknowledgement: |
44 | * This product includes software developed by the University of |
45 | * California, Berkeley and its contributors. |
46 | * 4. Neither the name of the University nor the names of its contributors |
47 | * may be used to endorse or promote products derived from this software |
48 | * without specific prior written permission. |
49 | * |
50 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
51 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
52 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
53 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
54 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
55 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
56 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
57 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
58 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
59 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
60 | * SUCH DAMAGE. |
61 | * |
62 | * @(#)syslimits.h 8.1 (Berkeley) 6/2/93 |
63 | */ |
64 | |
65 | #ifndef _SYS_SYSLIMITS_H_ |
66 | #define _SYS_SYSLIMITS_H_ |
67 | |
68 | #include <sys/cdefs.h> |
69 | |
70 | #if !defined(_ANSI_SOURCE) |
71 | |
72 | /* max bytes for an exec function */ |
73 | #ifdef XNU_KERNEL_PRIVATE |
74 | #if defined(XNU_TARGET_OS_OSX) |
75 | #define ARG_MAX (1024 * 1024) |
76 | #else |
77 | #define ARG_MAX (256 * 1024) |
78 | #endif |
79 | #else /* XNU_KERNEL_PRIVATE */ |
80 | #if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) |
81 | #define ARG_MAX (1024 * 1024) |
82 | #else |
83 | #define ARG_MAX (256 * 1024) |
84 | #endif |
85 | #endif /* XNU_KERNEL_PRIVATE */ |
86 | |
87 | /* |
88 | * Note: CHILD_MAX *must* be less than hard_maxproc, which is set at |
89 | * compile time; you *cannot* set it higher than the hard limit!! |
90 | */ |
91 | |
92 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
93 | #define CHILD_MAX 266 /* max simultaneous processes */ |
94 | #define GID_MAX 2147483647U /* max value for a gid_t (2^31-2) */ |
95 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
96 | #define LINK_MAX 32767 /* max file link count */ |
97 | #define MAX_CANON 1024 /* max bytes in term canon input line */ |
98 | #define MAX_INPUT 1024 /* max bytes in terminal input */ |
99 | #define NAME_MAX 255 /* max bytes in a file name */ |
100 | #define NGROUPS_MAX 16 /* max supplemental group id's */ |
101 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
102 | #define UID_MAX 2147483647U /* max value for a uid_t (2^31-2) */ |
103 | |
104 | #define OPEN_MAX 10240 /* max open files per process - todo, make a config option? */ |
105 | |
106 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
107 | #define PATH_MAX 1024 /* max bytes in pathname */ |
108 | #define PIPE_BUF 512 /* max bytes for atomic pipe writes */ |
109 | |
110 | #define BC_BASE_MAX 99 /* max ibase/obase values in bc(1) */ |
111 | #define BC_DIM_MAX 2048 /* max array elements in bc(1) */ |
112 | #define BC_SCALE_MAX 99 /* max scale value in bc(1) */ |
113 | #define BC_STRING_MAX 1000 /* max const string length in bc(1) */ |
114 | #define CHARCLASS_NAME_MAX 14 /* max character class name size */ |
115 | #define COLL_WEIGHTS_MAX 2 /* max weights for order keyword */ |
116 | #define EQUIV_CLASS_MAX 2 |
117 | #define EXPR_NEST_MAX 32 /* max expressions nested in expr(1) */ |
118 | #define LINE_MAX 2048 /* max bytes in an input line */ |
119 | #define RE_DUP_MAX 255 /* max RE's in interval notation */ |
120 | |
121 | #if __DARWIN_UNIX03 |
122 | #define NZERO 20 /* default priority [XSI] */ |
123 | /* = ((PRIO_MAX - PRIO_MIN) / 2) + 1 */ |
124 | /* range: 0 - 39 [(2 * NZERO) - 1] */ |
125 | /* 0 is not actually used */ |
126 | #else /* !__DARWIN_UNIX03 */ |
127 | #define NZERO 0 /* default priority */ |
128 | /* range: -20 - 20 */ |
129 | /* (PRIO_MIN - PRIO_MAX) */ |
130 | #endif /* __DARWIN_UNIX03 */ |
131 | #endif /* !_ANSI_SOURCE */ |
132 | |
133 | #endif /* !_SYS_SYSLIMITS_H_ */ |
134 | |