62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
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/* Copyright (C) 2018 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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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <sys/types.h>
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/* Add this redirection so the strong_alias linking setrlimit64 to
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{__}setrlimit does not throw a type error. */
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#undef setrlimit
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#undef __setrlimit
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#define setrlimit setrlimit_redirect
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#define __setrlimit __setrlimit_redirect
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#include <sys/resource.h>
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#undef setrlimit
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#undef __setrlimit
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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 KERNEL_RLIM64_INFINITY 0xffffffffffffffffULL
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int
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__setrlimit64 (enum __rlimit_resource resource, const struct rlimit64 *rlimits)
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{
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struct rlimit64 krlimits;
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if (rlimits->rlim_cur == RLIM64_INFINITY)
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krlimits.rlim_cur = KERNEL_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 == RLIM64_INFINITY)
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krlimits.rlim_max = KERNEL_RLIM64_INFINITY;
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else
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krlimits.rlim_max = rlimits->rlim_max;
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return INLINE_SYSCALL_CALL (prlimit64, 0, resource, &krlimits, NULL);
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}
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weak_alias (__setrlimit64, setrlimit64)
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strong_alias (__setrlimit64, __setrlimit)
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weak_alias (__setrlimit64, setrlimit)
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#ifdef SHARED
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__hidden_ver1 (__setrlimit64, __GI___setrlimit, __setrlimit64);
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#endif
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