1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/*
* Never include this file directly; use <limits.h> instead.
*/
/* Additional definitions from X/Open Portability Guide, Issue 4, Version 2
System Interfaces and Headers, 4.16 <limits.h>
Please note only the values which are not greater than the minimum
stated in the standard document are listed. The `sysconf' functions
should be used to obtain the actual value. */
#ifndef _XOPEN_LIM_H
#define _XOPEN_LIM_H 1
/* We do not provide fixed values for
ARG_MAX Maximum length of argument to the `exec' function
including environment data.
ATEXIT_MAX Maximum number of functions that may be registered
with `atexit'.
CHILD_MAX Maximum number of simultaneous processes per real
user ID.
OPEN_MAX Maximum number of files that one process can have open
at anyone time.
PAGESIZE
PAGE_SIZE Size of bytes of a page.
PASS_MAX Maximum number of significant bytes in a password.
*/
/* Maximum number of `iovec' structures that one process has available
for use with `readv' or writev'. */
#define IOV_MAX _XOPEN_IOV_MAX
/* The number of streams that one process can have open at one time. */
#define STREAM_MAX _POSIX_STREAM_MAX
/* Maximum number of bytes supported for the name of a time zone. */
#define TZNAME_MAX _POSIX_TZNAME_MAX
/* Maximum number of `iovec' structures that one process has available
for use with `readv' or writev'. */
#define _XOPEN_IOV_MAX _POSIX_UIO_MAXIOV
/* Maximum value of `digit' in calls to the `printf' and `scanf'
functions. We have no limit, so return a reasonable value. */
#define NL_ARGMAX _POSIX_ARG_MAX
/* Maximum number of bytes in a `LANG' name. We have no limit. */
#define NL_LANGMAX _POSIX2_LINE_MAX
/* Maximum message number. We have no limit. */
#define NL_MSGMAX INT_MAX
/* Maximum number of bytes in N-to-1 collation mapping. We have no
limit. */
#define NL_NMAX INT_MAX
/* Maximum set number. We have no limit. */
#define NL_SETMAX INT_MAX
/* Maximum number of bytes in a message. We have no limit. */
#define NL_TEXTMAX INT_MAX
/* Default process priority. */
#define NZERO 20
#endif /* bits/xopen_lim.h */
|
GitWeb