1/* Linux getrlimit implementation (32 bits rlim_t).
2 Copyright (C) 2016-2021 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
34int
35__new_getrlimit (enum __rlimit_resource resource, struct rlimit *rlim)
36{
37 return INLINE_SYSCALL_CALL (ugetrlimit, resource, rlim);
38}
39weak_alias (__new_getrlimit, __getrlimit)
40hidden_weak (__getrlimit)
41
42# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)
43/* Back compatible 2Gig limited rlimit. */
44int
45__old_getrlimit (enum __rlimit_resource resource, struct rlimit *rlim)
46{
47 return INLINE_SYSCALL_CALL (getrlimit, resource, rlim);
48}
49compat_symbol (libc, __old_getrlimit, getrlimit, GLIBC_2_0);
50versioned_symbol (libc, __new_getrlimit, getrlimit, GLIBC_2_2);
51# else
52weak_alias (__new_getrlimit, getrlimit)
53# endif
54
55#endif /* __RLIM_T_MATCHES_RLIM64_T */
56