1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 1990 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 /*
30 * (Almost) backwards compatible vlimit.
31 */
32 #include <sys/time.h>
33 #include <sys/resource.h>
34 #include <errno.h>
35
36 /* LIM_NORAISE is not emulated */
37 #define LIM_NORAISE 0 /* if <> 0, can't raise limits */
38 #define LIM_CPU 1 /* max secs cpu time */
39 #define LIM_FSIZE 2 /* max size of file created */
40 #define LIM_DATA 3 /* max growth of data space */
41 #define LIM_STACK 4 /* max growth of stack */
42 #define LIM_CORE 5 /* max size of ``core'' file */
43 #define LIM_MAXRSS 6 /* max desired data+stack core usage */
44
45 #define NLIMITS 6
46
47 int
vlimit(int limit,int value)48 vlimit(int limit, int value)
49 {
50 struct rlimit rlim;
51
52 if (limit <= 0 || limit > NLIMITS)
53 return (EINVAL);
54 if (value == -1) {
55 if (getrlimit(limit - 1, &rlim) < 0)
56 return (-1);
57 return (rlim.rlim_cur);
58 }
59 rlim.rlim_cur = value;
60 rlim.rlim_max = RLIM_INFINITY;
61 return (setrlimit(limit - 1, &rlim));
62 }
63