1 /* Linux getrlimit implementation (32 bits rlim_t).
2 Copyright (C) 2016-2022 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 <https://www.gnu.org/licenses/>. */
18
19 #include <sys/resource.h>
20 #include <sysdep.h>
21 #include <shlib-compat.h>
22
23 #if !__RLIM_T_MATCHES_RLIM64_T
24
25 /* The __NR_getrlimit compatibility implementation is required iff
26 __NR_ugetrlimit is also defined (meaning an old broken RLIM_INFINITY
27 definition). */
28 # ifndef __NR_ugetrlimit
29 # define __NR_ugetrlimit __NR_getrlimit
30 # undef SHLIB_COMPAT
31 # define SHLIB_COMPAT(a, b, c) 0
32 # endif
33
34 int
__new_getrlimit(enum __rlimit_resource resource,struct rlimit * rlim)35 __new_getrlimit (enum __rlimit_resource resource, struct rlimit *rlim)
36 {
37 return INLINE_SYSCALL_CALL (ugetrlimit, resource, rlim);
38 }
weak_alias(__new_getrlimit,__getrlimit)39 weak_alias (__new_getrlimit, __getrlimit)
40 hidden_weak (__getrlimit)
41
42 # if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)
43 /* Back compatible 2Gig limited rlimit. */
44 int
45 __old_getrlimit (enum __rlimit_resource resource, struct rlimit *rlim)
46 {
47 return INLINE_SYSCALL_CALL (getrlimit, resource, rlim);
48 }
49 compat_symbol (libc, __old_getrlimit, getrlimit, GLIBC_2_0);
50 versioned_symbol (libc, __new_getrlimit, getrlimit, GLIBC_2_2);
51 # else
52 weak_alias (__new_getrlimit, getrlimit)
53 # endif
54
55 #endif /* __RLIM_T_MATCHES_RLIM64_T */
56