1 /* Copyright (C) 2013-2022 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 <https://www.gnu.org/licenses/>. */
17
18 #include <sgidefs.h>
19
20 #if _MIPS_SIM == _ABIO32 || _MIPS_SIM == _ABIN32
21
22 # include <shlib-compat.h>
23
24 # define getrlimit64 __new_getrlimit64
25 # include <sysdeps/unix/sysv/linux/getrlimit64.c>
26 # undef getrlimit64
27
28 versioned_symbol (libc, __getrlimit64, getrlimit64, GLIBC_2_19);
strong_alias(__getrlimit64,__GI_getrlimit64)29 strong_alias (__getrlimit64, __GI_getrlimit64)
30
31 # if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_19)
32
33 /* RLIM64_INFINITY was supposed to be a glibc convention rather than
34 anything seen by the kernel, but it ended being passed to the kernel
35 through the prlimit64 syscall. Given that a lot of binaries with
36 the wrong constant value are in the wild, provide a wrapper function
37 fixing the value after the syscall. */
38
39 # define OLD_RLIM64_INFINITY 0x7fffffffffffffffULL
40
41 int
42 attribute_compat_text_section
43 __old_getrlimit64 (enum __rlimit_resource resource,
44 struct rlimit64 *rlimits)
45 {
46 struct rlimit64 krlimits;
47
48 if (__getrlimit64 (resource, &krlimits) < 0)
49 return -1;
50
51 if (krlimits.rlim_cur == RLIM64_INFINITY)
52 rlimits->rlim_cur = OLD_RLIM64_INFINITY;
53 else
54 rlimits->rlim_cur = krlimits.rlim_cur;
55 if (krlimits.rlim_max == RLIM64_INFINITY)
56 rlimits->rlim_max = OLD_RLIM64_INFINITY;
57 else
58 rlimits->rlim_max = krlimits.rlim_max;
59
60 return 0;
61 }
62
63 compat_symbol (libc, __old_getrlimit64, getrlimit64, GLIBC_2_2);
64 # endif
65
66 #else /* !_ABI_O32 && !_ABI_N32 */
67 # include <sysdeps/unix/sysv/linux/getrlimit64.c>
68 #endif
69