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1 | /* Copyright (C) 2010 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
15 | License along with the GNU C Library; if not, write to the Free | |
16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
17 | 02111-1307 USA. */ | |
18 | ||
19 | #include <errno.h> | |
20 | #include <sys/resource.h> | |
21 | #include <sys/types.h> | |
22 | #include <sysdep.h> | |
23 | #include <kernel-features.h> | |
24 | ||
25 | /* Set the soft and hard limits for RESOURCE to *RLIMITS. | |
26 | Only the super-user can increase hard limits. | |
27 | Return 0 if successful, -1 if not (and sets errno). */ | |
28 | int | |
29 | setrlimit64 (resource, rlimits) | |
30 | enum __rlimit_resource resource; | |
31 | const struct rlimit64 *rlimits; | |
32 | { | |
33 | #ifdef __ASSUME_PRLIMIT64 | |
34 | return INLINE_SYSCALL (prlimit64, 4, 0, resource, rlimits, NULL); | |
35 | #else | |
36 | # ifdef __NR_prlimit64 | |
37 | int res = INLINE_SYSCALL (prlimit64, 4, 0, resource, rlimits, NULL); | |
38 | if (res == 0 || errno != ENOSYS) | |
39 | return res; | |
40 | # endif | |
41 | struct rlimit rlimits32; | |
42 | ||
43 | if (rlimits->rlim_cur >= RLIM_INFINITY) | |
44 | rlimits32.rlim_cur = RLIM_INFINITY; | |
45 | else | |
46 | rlimits32.rlim_cur = rlimits->rlim_cur; | |
47 | if (rlimits->rlim_max >= RLIM_INFINITY) | |
48 | rlimits32.rlim_max = RLIM_INFINITY; | |
49 | else | |
50 | rlimits32.rlim_max = rlimits->rlim_max; | |
51 | ||
52 | return __setrlimit (resource, &rlimits32); | |
53 | #endif | |
54 | } |