1 /* Copyright (C) 1991,1995,1996,1997,1998,2000 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, see
16 <http://www.gnu.org/licenses/>. */
17
18 #include <_lfs_64.h>
19 #include <bits/wordsize.h>
20 #include <sys/resource.h>
21 #include <sys/syscall.h>
22 #include <stddef.h> // needed for NULL to be defined
23
24
25 #if defined(__NR_prlimit64)
26
setrlimit64(__rlimit_resource_t resource,const struct rlimit64 * rlimits)27 int setrlimit64 (__rlimit_resource_t resource, const struct rlimit64 *rlimits)
28 {
29 return INLINE_SYSCALL (prlimit64, 4, 0, resource, rlimits, NULL);
30 }
31
32 # if !defined(__NR_usetrlimit) && (__WORDSIZE == 64 || defined (__USE_FILE_OFFSET64))
33 /* If setrlimit is not implemented through the __NR_usetrlimit and size of
34 rlimit_t == rlimit64_t then use setrlimit as an alias to setrlimit64 */
35 strong_alias_untyped(setrlimit64, setrlimit)
36 libc_hidden_def(setrlimit)
37 # endif
38
39 #else
40
41 /* Set the soft and hard limits for RESOURCE to *RLIMITS.
42 Only the super-user can increase hard limits.
43 Return 0 if successful, -1 if not (and sets errno).
44 The regular setrlimit will work just fine for 64bit users */
45 int setrlimit64 (__rlimit_resource_t resource, const struct rlimit64 *rlimits)
46 {
47 struct rlimit rlimits32;
48
49 if (rlimits->rlim_cur >= RLIM_INFINITY)
50 rlimits32.rlim_cur = RLIM_INFINITY;
51 else
52 rlimits32.rlim_cur = rlimits->rlim_cur;
53 if (rlimits->rlim_max >= RLIM_INFINITY)
54 rlimits32.rlim_max = RLIM_INFINITY;
55 else
56 rlimits32.rlim_max = rlimits->rlim_max;
57
58 return setrlimit (resource, &rlimits32);
59 }
60 #endif
61