49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/* Copyright (C) 1991-2022 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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/* This is generic in the sense that it will work with the BSD, SYSV,
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or stub versions of getrlimit. Separate versions could be written
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for efficiency, but it's probably not worth it. */
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#include <sys/vlimit.h>
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#include <sys/resource.h>
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#include <errno.h>
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/* Set the soft limit for RESOURCE to be VALUE.
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Returns 0 for success, -1 for failure. */
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int
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vlimit (enum __vlimit_resource resource, int value)
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{
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if (resource >= LIM_CPU && resource <= LIM_MAXRSS)
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{
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/* The rlimit codes happen to each be one less
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than the corresponding vlimit codes. */
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enum __rlimit_resource rlimit_res =
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(enum __rlimit_resource) ((int) resource - 1);
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struct rlimit lims;
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if (__getrlimit (rlimit_res, &lims) < 0)
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return -1;
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lims.rlim_cur = value;
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return __setrlimit (rlimit_res, &lims);
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}
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__set_errno (EINVAL);
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return -1;
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}
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