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59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
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/* Copyright (C) 1991, 1992, 1993, 1994 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <ansidecl.h>
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#include <hurd.h>
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#include <hurd/resource.h>
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#include <errno.h>
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#include <hurd/fd.h>
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/* Set the soft and hard limits for RESOURCE to *RLIMITS.
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Only the super-user can increase hard limits.
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Return 0 if successful, -1 if not (and sets errno). */
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int
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DEFUN(setrlimit, (resource, rlimits),
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enum __rlimit_resource resource AND struct rlimit *rlimits)
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{
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struct rlimit lim;
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if (rlimits == NULL || (unsigned int) resource >= RLIMIT_NLIMITS)
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{
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errno = EINVAL;
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return -1;
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}
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lim = *rlimits;
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if (lim.rlim_max != RLIM_INFINITY)
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{
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/* We have no enforceable resource limits. */
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errno = ENOSYS;
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return -1;
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}
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if (lim.rlim_cur > lim.rlim_max)
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lim.rlim_cur = lim.rlim_max;
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__mutex_lock (&_hurd_rlimit_lock);
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_hurd_rlimits[resource] = lim;
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__mutex_unlock (&_hurd_rlimit_lock);
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return 0;
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}
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