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54 lines
2.0 KiB
C
54 lines
2.0 KiB
C
/* Copyright (C) 2018-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#define USE_VERSIONED_RLIMIT
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#include <sysdeps/unix/sysv/linux/setrlimit64.c>
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versioned_symbol (libc, __setrlimit, setrlimit, GLIBC_2_27);
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versioned_symbol (libc, __setrlimit64, setrlimit64, GLIBC_2_27);
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#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_27)
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/* RLIM64_INFINITY was supposed to be a glibc convention rather than
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anything seen by the kernel, but it ended being passed to the kernel
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through the prlimit64 syscall. Given that a lot of binaries with
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the wrong constant value are in the wild, provide a wrapper function
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fixing the value before the syscall. */
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# define OLD_RLIM64_INFINITY 0x7fffffffffffffffULL
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int
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attribute_compat_text_section
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__old_setrlimit64 (enum __rlimit_resource resource,
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const struct rlimit64 *rlimits)
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{
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struct rlimit64 krlimits;
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if (rlimits->rlim_cur == OLD_RLIM64_INFINITY)
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krlimits.rlim_cur = RLIM64_INFINITY;
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else
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krlimits.rlim_cur = rlimits->rlim_cur;
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if (rlimits->rlim_max == OLD_RLIM64_INFINITY)
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krlimits.rlim_max = RLIM64_INFINITY;
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else
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krlimits.rlim_max = rlimits->rlim_max;
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return __setrlimit64 (resource, &krlimits);
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}
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strong_alias (__old_setrlimit64, __old_setrlimit)
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compat_symbol (libc, __old_setrlimit, setrlimit, GLIBC_2_0);
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compat_symbol (libc, __old_setrlimit64, setrlimit64, GLIBC_2_1);
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#endif
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