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/* setrlimit function for systems with ulimit system call (SYSV).
Copyright (C) 1991, 1992 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
/* This only implements those functions which are available via ulimit. */
#include <ansidecl.h>
#include <sys/resource.h>
#include <stddef.h>
#include <errno.h>
/* Set the soft and hard limits for RESOURCE to *RLIMITS.
Only the super-user can increase hard limits.
Return 0 if successful, -1 if not (and sets errno). */
int
DEFUN(setrlimit, (resource, rlimits),
enum __rlimit_resource resource AND struct rlimit *rlimits)
{
if (rlimits == NULL)
{
errno = EINVAL;
return -1;
}
switch (resource)
{
case RLIMIT_FSIZE:
return __ulimit(2, rlimits->rlim_cur);
case RLIMIT_DATA:
case RLIMIT_CPU:
case RLIMIT_STACK:
case RLIMIT_CORE:
case RLIMIT_RSS:
errno = ENOSYS;
return -1;
default:
errno = EINVAL;
return -1;
}
}
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