vlimit.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/* from UCB 4.2 83/06/20 */
/*
* (Almost) backwards compatible vlimit.
*/
#include <sys/time.h>
#include <sys/resource.h>
#include <errno.h>
/* LIM_NORAISE is not emulated */
#define LIM_NORAISE 0 /* if <> 0, can't raise limits */
#define LIM_CPU 1 /* max secs cpu time */
#define LIM_FSIZE 2 /* max size of file created */
#define LIM_DATA 3 /* max growth of data space */
#define LIM_STACK 4 /* max growth of stack */
#define LIM_CORE 5 /* max size of ``core'' file */
#define LIM_MAXRSS 6 /* max desired data+stack core usage */
#define NLIMITS 6
vlimit(limit, value)
int limit, value;
{
struct rlimit rlim;
if (limit <= 0 || limit > NLIMITS)
return (EINVAL);
if (value == -1) {
if (getrlimit(limit - 1, &rlim) < 0)
return (-1);
return (rlim.rlim_cur);
}
rlim.rlim_cur = value;
rlim.rlim_max = RLIM_INFINITY;
return (setrlimit(limit - 1, &rlim));
}