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59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
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/* setrlimit function for systems with ulimit system call (SYSV).
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Copyright (C) 1991, 1992 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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/* This only implements those functions which are available via ulimit. */
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#include <ansidecl.h>
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#include <sys/resource.h>
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#include <stddef.h>
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#include <errno.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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if (rlimits == NULL)
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{
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errno = EINVAL;
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return -1;
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}
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switch (resource)
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{
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case RLIMIT_FSIZE:
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return __ulimit(2, rlimits->rlim_cur);
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case RLIMIT_DATA:
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case RLIMIT_CPU:
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case RLIMIT_STACK:
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case RLIMIT_CORE:
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case RLIMIT_RSS:
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errno = ENOSYS;
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return -1;
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default:
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errno = EINVAL;
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return -1;
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}
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}
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