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4a244f0d | 1 | /* Minimum guaranteed maximum values for system limits. Linux/IA-64 version. |
932dfea7 | 2 | Copyright (C) 1993-1998,2000,2002,2003,2004 Free Software Foundation, Inc. |
4a244f0d UD |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Library General Public License as | |
7 | published by the Free Software Foundation; either version 2 of the | |
8 | License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Library General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Library General Public | |
16 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
17 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
18 | Boston, MA 02111-1307, USA. */ | |
19 | ||
20 | /* The kernel header pollutes the namespace with the NR_OPEN symbol | |
21 | and defines LINK_MAX although filesystems have different maxima. A | |
22 | similar thing is true for OPEN_MAX: the limit can be changed at | |
23 | runtime and therefore the macro must not be defined. Remove this | |
24 | after including the header if necessary. */ | |
25 | #ifndef NR_OPEN | |
26 | # define __undef_NR_OPEN | |
27 | #endif | |
28 | #ifndef LINK_MAX | |
29 | # define __undef_LINK_MAX | |
30 | #endif | |
31 | #ifndef OPEN_MAX | |
32 | # define __undef_OPEN_MAX | |
33 | #endif | |
34 | ||
35 | /* The kernel sources contain a file with all the needed information. */ | |
36 | #include <linux/limits.h> | |
37 | ||
38 | /* Have to remove NR_OPEN? */ | |
39 | #ifdef __undef_NR_OPEN | |
40 | # undef NR_OPEN | |
41 | # undef __undef_NR_OPEN | |
42 | #endif | |
43 | /* Have to remove LINK_MAX? */ | |
44 | #ifdef __undef_LINK_MAX | |
45 | # undef LINK_MAX | |
46 | # undef __undef_LINK_MAX | |
47 | #endif | |
48 | /* Have to remove OPEN_MAX? */ | |
49 | #ifdef __undef_OPEN_MAX | |
50 | # undef OPEN_MAX | |
51 | # undef __undef_OPEN_MAX | |
52 | #endif | |
53 | ||
54 | /* The number of data keys per process. */ | |
55 | #define _POSIX_THREAD_KEYS_MAX 128 | |
56 | /* This is the value this implementation supports. */ | |
57 | #define PTHREAD_KEYS_MAX 1024 | |
58 | ||
59 | /* Controlling the iterations of destructors for thread-specific data. */ | |
60 | #define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4 | |
61 | /* Number of iterations this implementation does. */ | |
62 | #define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS | |
63 | ||
64 | /* The number of threads per process. */ | |
65 | #define _POSIX_THREAD_THREADS_MAX 64 | |
66 | /* We have no predefined limit on the number of threads. */ | |
67 | #undef PTHREAD_THREADS_MAX | |
68 | ||
69 | /* Maximum amount by which a process can descrease its asynchronous I/O | |
70 | priority level. */ | |
71 | #define AIO_PRIO_DELTA_MAX 20 | |
72 | ||
73 | /* Minimum size for a thread. We are free to choose a reasonable value. */ | |
74 | #define PTHREAD_STACK_MIN 196608 | |
75 | ||
76 | /* Maximum number of timer expiration overruns. */ | |
77 | #define DELAYTIMER_MAX 2147483647 | |
78 | ||
79 | /* Maximum tty name length. */ | |
80 | #define TTY_NAME_MAX 32 | |
81 | ||
82 | /* Maximum login name length. This is arbitrary. */ | |
83 | #define LOGIN_NAME_MAX 256 | |
932dfea7 UD |
84 | |
85 | /* Maximum host name length. */ | |
86 | #define HOST_NAME_MAX 64 | |
1b82c6c7 UD |
87 | |
88 | /* Maximum message queue priority level. */ | |
89 | #define MQ_PRIO_MAX 32768 | |
11bf311e UD |
90 | |
91 | /* Maximum value the semaphore can have. */ | |
92 | #define SEM_VALUE_MAX (2147483647) |