projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 8f5ca04b | 1 | /* Minimum guaranteed maximum values for system limits. Linux version. |
| f96853be | 2 | Copyright (C) 1993-1998,2000,2003,2004,2008 Free Software Foundation, Inc. |
| 54d79e99 | 3 | This file is part of the GNU C Library. |
| d2f5be2a | 4 | |
| 54d79e99 | 5 | The GNU C Library is free software; you can redistribute it and/or |
| 41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 28f540f4 | 9 | |
| 54d79e99 UD |
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 | |
| 41bdb6e2 | 13 | Lesser General Public License for more details. |
| 28f540f4 | 14 | |
| 41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
| 28f540f4 | 18 | |
| 104d0690 | 19 | /* The kernel header pollutes the namespace with the NR_OPEN symbol |
| bb790106 UD |
20 | and defines LINK_MAX although filesystems have different maxima. A |
| 21 | similar thing is true for OPEN_MAX: the limit can be changed at | |
| 22 | runtime and therefore the macro must not be defined. Remove this | |
| 23 | after including the header if necessary. */ | |
| d2537a47 UD |
24 | #ifndef NR_OPEN |
| 25 | # define __undef_NR_OPEN | |
| 26 | #endif | |
| 104d0690 UD |
27 | #ifndef LINK_MAX |
| 28 | # define __undef_LINK_MAX | |
| 29 | #endif | |
| bb790106 UD |
30 | #ifndef OPEN_MAX |
| 31 | # define __undef_OPEN_MAX | |
| 32 | #endif | |
| f96853be UD |
33 | #ifndef ARG_MAX |
| 34 | # define __undef_ARG_MAX | |
| 35 | #endif | |
| d2537a47 | 36 | |
| 8f5ca04b RM |
37 | /* The kernel sources contain a file with all the needed information. */ |
| 38 | #include <linux/limits.h> | |
| cbdee279 | 39 | |
| d2537a47 UD |
40 | /* Have to remove NR_OPEN? */ |
| 41 | #ifdef __undef_NR_OPEN | |
| 42 | # undef NR_OPEN | |
| 43 | # undef __undef_NR_OPEN | |
| 44 | #endif | |
| 104d0690 UD |
45 | /* Have to remove LINK_MAX? */ |
| 46 | #ifdef __undef_LINK_MAX | |
| 47 | # undef LINK_MAX | |
| 48 | # undef __undef_LINK_MAX | |
| 49 | #endif | |
| bb790106 UD |
50 | /* Have to remove OPEN_MAX? */ |
| 51 | #ifdef __undef_OPEN_MAX | |
| 52 | # undef OPEN_MAX | |
| 53 | # undef __undef_OPEN_MAX | |
| 54 | #endif | |
| f96853be UD |
55 | /* Have to remove ARG_MAX? */ |
| 56 | #ifdef __undef_ARG_MAX | |
| 57 | # undef ARG_MAX | |
| 58 | # undef __undef_ARG_MAX | |
| 59 | #endif | |
| d2537a47 | 60 | |
| cbdee279 UD |
61 | /* Maximum amount by which a process can descrease its asynchronous I/O |
| 62 | priority level. */ | |
| 63 | #define AIO_PRIO_DELTA_MAX 20 | |
| 7d78ab99 UD |
64 | |
| 65 | /* Maximum tty name length. */ | |
| 66 | #define TTY_NAME_MAX 32 | |
| 67 | ||
| 68 | /* Maximum login name length. This is arbitrary. */ | |
| 69 | #define LOGIN_NAME_MAX 256 | |
| 932dfea7 UD |
70 | |
| 71 | /* Maximum host name length. */ | |
| 72 | #define HOST_NAME_MAX 64 | |
| 1b82c6c7 UD |
73 | |
| 74 | /* Maximum message queue priority level. */ | |
| 75 | #define MQ_PRIO_MAX 32768 |