1/* Linux getrlimit implementation (32 bits rlim_t).
2 Copyright (C) 2016-2020 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 <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 __NR_getrlimit compatibility implementation is required iff
27 __NR_ugetrlimit is also defined (meaning an old broken RLIM_INFINITY
28 definition). */
29# ifndef __NR_ugetrlimit
30# define __NR_ugetrlimit __NR_getrlimit
31# undef SHLIB_COMPAT
32# define SHLIB_COMPAT(a, b, c) 0
33# endif
34
35int
36__new_getrlimit (enum __rlimit_resource resource, struct rlimit *rlim)
37{
38 return INLINE_SYSCALL_CALL (ugetrlimit, resource, rlim);
39}
40weak_alias (__new_getrlimit, __getrlimit)
41hidden_weak (__getrlimit)
42
43# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)
44/* Back compatible 2Gig limited rlimit. */
45int
46__old_getrlimit (enum __rlimit_resource resource, struct rlimit *rlim)
47{
48 return INLINE_SYSCALL_CALL (getrlimit, resource, rlim);
49}
50compat_symbol (libc, __old_getrlimit, getrlimit, GLIBC_2_0);
51versioned_symbol (libc, __new_getrlimit, getrlimit, GLIBC_2_2);
52# else
53weak_alias (__new_getrlimit, getrlimit)
54# endif
55
56#endif /* __RLIM_T_MATCHES_RLIM64_T */
57