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/* setrlimit function for systems with ulimit system call (SYSV).
Copyright (C) 1991, 1992, 1996, 1997, 1998 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/* This only implements those functions which are available via ulimit. */
#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
setrlimit (resource, rlimits)
enum __rlimit_resource resource;
const struct rlimit *rlimits;
{
if (rlimits == NULL)
{
__set_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:
__set_errno (ENOSYS);
return -1;
default:
__set_errno (EINVAL);
return -1;
}
}
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