1 /* Copyright (C) 2018-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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/>. */
18 #define USE_VERSIONED_RLIMIT
19 #include <sysdeps/unix/sysv/linux/setrlimit64.c>
20 versioned_symbol (libc
, __setrlimit
, setrlimit
, GLIBC_2_27
);
21 versioned_symbol (libc
, __setrlimit64
, setrlimit64
, GLIBC_2_27
);
23 #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_27)
24 /* RLIM64_INFINITY was supposed to be a glibc convention rather than
25 anything seen by the kernel, but it ended being passed to the kernel
26 through the prlimit64 syscall. Given that a lot of binaries with
27 the wrong constant value are in the wild, provide a wrapper function
28 fixing the value before the syscall. */
29 # define OLD_RLIM64_INFINITY 0x7fffffffffffffffULL
32 attribute_compat_text_section
33 __old_setrlimit64 (enum __rlimit_resource resource
,
34 const struct rlimit64
*rlimits
)
36 struct rlimit64 krlimits
;
38 if (rlimits
->rlim_cur
== OLD_RLIM64_INFINITY
)
39 krlimits
.rlim_cur
= RLIM64_INFINITY
;
41 krlimits
.rlim_cur
= rlimits
->rlim_cur
;
42 if (rlimits
->rlim_max
== OLD_RLIM64_INFINITY
)
43 krlimits
.rlim_max
= RLIM64_INFINITY
;
45 krlimits
.rlim_max
= rlimits
->rlim_max
;
47 return __setrlimit64 (resource
, &krlimits
);
50 strong_alias (__old_setrlimit64
, __old_setrlimit
)
51 compat_symbol (libc
, __old_setrlimit
, setrlimit
, GLIBC_2_0
);
52 compat_symbol (libc
, __old_setrlimit64
, setrlimit64
, GLIBC_2_1
);