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 setrlimit64 __new_setrlimit64
25 # include <sysdeps/unix/sysv/linux/setrlimit64.c>
26 # undef setrlimit64
27
28 versioned_symbol (libc, __new_setrlimit64, setrlimit64, GLIBC_2_19);
29
30 # if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_19)
31
32 /* RLIM64_INFINITY was supposed to be a glibc convention rather than
33 anything seen by the kernel, but it ended being passed to the kernel
34 through the prlimit64 syscall. Given that a lot of binaries with
35 the wrong constant value are in the wild, provide a wrapper function
36 fixing the value before the syscall. */
37
38 # define OLD_RLIM64_INFINITY 0x7fffffffffffffffULL
39
40 int
41 attribute_compat_text_section
__old_setrlimit64(enum __rlimit_resource resource,const struct rlimit64 * rlimits)42 __old_setrlimit64 (enum __rlimit_resource resource,
43 const struct rlimit64 *rlimits)
44 {
45 struct rlimit64 krlimits;
46
47 if (rlimits->rlim_cur == OLD_RLIM64_INFINITY)
48 krlimits.rlim_cur = RLIM64_INFINITY;
49 else
50 krlimits.rlim_cur = rlimits->rlim_cur;
51 if (rlimits->rlim_max == OLD_RLIM64_INFINITY)
52 krlimits.rlim_max = RLIM64_INFINITY;
53 else
54 krlimits.rlim_max = rlimits->rlim_max;
55
56 return __new_setrlimit64 (resource, &krlimits);
57 }
58
59 compat_symbol (libc, __old_setrlimit64, setrlimit64, GLIBC_2_2);
60 # endif
61
62 #else /* !_ABI_O32 && !_ABI_N32 */
63 # include <sysdeps/unix/sysv/linux/setrlimit64.c>
64 #endif
65