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28f540f4 | 1 | /* setrlimit function for systems with ulimit system call (SYSV). |
478b92f0 UD |
2 | Copyright (C) 1991, 1992, 1996, 1997 Free Software Foundation, Inc. |
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. */ | |
28f540f4 RM |
19 | |
20 | /* This only implements those functions which are available via ulimit. */ | |
21 | ||
28f540f4 RM |
22 | #include <sys/resource.h> |
23 | #include <stddef.h> | |
24 | #include <errno.h> | |
25 | ||
26 | /* Set the soft and hard limits for RESOURCE to *RLIMITS. | |
27 | Only the super-user can increase hard limits. | |
28 | Return 0 if successful, -1 if not (and sets errno). */ | |
29 | int | |
c4029823 UD |
30 | setrlimit (resource, rlimits) |
31 | enum __rlimit_resource resource; | |
32 | struct rlimit *rlimits; | |
28f540f4 RM |
33 | { |
34 | if (rlimits == NULL) | |
35 | { | |
c4029823 | 36 | __set_errno (EINVAL); |
28f540f4 RM |
37 | return -1; |
38 | } | |
39 | ||
40 | switch (resource) | |
41 | { | |
42 | case RLIMIT_FSIZE: | |
c4029823 | 43 | return __ulimit (2, rlimits->rlim_cur); |
28f540f4 RM |
44 | |
45 | case RLIMIT_DATA: | |
46 | case RLIMIT_CPU: | |
47 | case RLIMIT_STACK: | |
48 | case RLIMIT_CORE: | |
49 | case RLIMIT_RSS: | |
c4029823 | 50 | __set_errno (ENOSYS); |
28f540f4 RM |
51 | return -1; |
52 | ||
53 | default: | |
c4029823 | 54 | __set_errno (EINVAL); |
28f540f4 RM |
55 | return -1; |
56 | } | |
57 | } |