1 | /* Linux setrlimit implementation (32 bits off_t). |
2 | Copyright (C) 2016-2019 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 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. |
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 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library. If not, see |
17 | <http://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <errno.h> |
20 | #include <sys/resource.h> |
21 | #include <sys/types.h> |
22 | #include <shlib-compat.h> |
23 | |
24 | #if !__RLIM_T_MATCHES_RLIM64_T |
25 | |
26 | /* The compatibility symbol is meant to match the old __NR_getrlimit syscall |
27 | (with broken RLIM_INFINITY definition). It should be provided iff |
28 | __NR_getrlimit and __NR_ugetrlimit are both defined. */ |
29 | # ifndef __NR_ugetrlimit |
30 | # undef SHLIB_COMPAT |
31 | # define SHLIB_COMPAT(a, b, c) 0 |
32 | # endif |
33 | |
34 | int |
35 | __setrlimit (enum __rlimit_resource resource, const struct rlimit *rlim) |
36 | { |
37 | struct rlimit64 rlim64; |
38 | |
39 | if (rlim->rlim_cur == RLIM_INFINITY) |
40 | rlim64.rlim_cur = RLIM64_INFINITY; |
41 | else |
42 | rlim64.rlim_cur = rlim->rlim_cur; |
43 | if (rlim->rlim_max == RLIM_INFINITY) |
44 | rlim64.rlim_max = RLIM64_INFINITY; |
45 | else |
46 | rlim64.rlim_max = rlim->rlim_max; |
47 | |
48 | return INLINE_SYSCALL_CALL (prlimit64, 0, resource, &rlim64, NULL); |
49 | } |
50 | |
51 | libc_hidden_def (__setrlimit) |
52 | # if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2) |
53 | strong_alias (__setrlimit, __setrlimit_1) |
54 | compat_symbol (libc, __setrlimit, setrlimit, GLIBC_2_0); |
55 | versioned_symbol (libc, __setrlimit_1, setrlimit, GLIBC_2_2); |
56 | # else |
57 | weak_alias (__setrlimit, setrlimit) |
58 | # endif |
59 | |
60 | #endif /* __RLIM_T_MATCHES_RLIM64_T */ |
61 | |