| 1 | /* Linux setrlimit implementation (32 bits off_t). |
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| 2 | Copyright (C) 2016-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library. If not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <sys/resource.h> |
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| 20 | #include <sysdep.h> |
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| 21 | #include <shlib-compat.h> |
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| 22 | |
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| 23 | #if !__RLIM_T_MATCHES_RLIM64_T |
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| 24 | |
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| 25 | /* The compatibility symbol is meant to match the old __NR_getrlimit syscall |
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| 26 | (with broken RLIM_INFINITY definition). It should be provided iff |
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| 27 | __NR_getrlimit and __NR_ugetrlimit are both defined. */ |
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| 28 | # ifndef __NR_ugetrlimit |
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| 29 | # undef SHLIB_COMPAT |
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| 30 | # define SHLIB_COMPAT(a, b, c) 0 |
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| 31 | # endif |
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| 32 | |
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| 33 | int |
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| 34 | __setrlimit (enum __rlimit_resource resource, const struct rlimit *rlim) |
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| 35 | { |
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| 36 | struct rlimit64 rlim64; |
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| 37 | |
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| 38 | if (rlim->rlim_cur == RLIM_INFINITY) |
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| 39 | rlim64.rlim_cur = RLIM64_INFINITY; |
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| 40 | else |
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| 41 | rlim64.rlim_cur = rlim->rlim_cur; |
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| 42 | if (rlim->rlim_max == RLIM_INFINITY) |
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| 43 | rlim64.rlim_max = RLIM64_INFINITY; |
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| 44 | else |
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| 45 | rlim64.rlim_max = rlim->rlim_max; |
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| 46 | |
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| 47 | return INLINE_SYSCALL_CALL (prlimit64, 0, resource, &rlim64, NULL); |
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| 48 | } |
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| 49 | |
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| 50 | libc_hidden_def (__setrlimit) |
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| 51 | # if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2) |
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| 52 | strong_alias (__setrlimit, __setrlimit_1) |
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| 53 | compat_symbol (libc, __setrlimit, setrlimit, GLIBC_2_0); |
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| 54 | versioned_symbol (libc, __setrlimit_1, setrlimit, GLIBC_2_2); |
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| 55 | # else |
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| 56 | weak_alias (__setrlimit, setrlimit) |
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| 57 | # endif |
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| 58 | |
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| 59 | #endif /* __RLIM_T_MATCHES_RLIM64_T */ |
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| 60 | |
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