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 1987 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 #include <sys/time.h>
30 #include <sys/resource.h>
31 #include <errno.h>
32
33 long
ulimit(int cmd,long newlimit)34 ulimit(int cmd, long newlimit)
35 {
36 struct rlimit rlimit;
37
38 switch (cmd) {
39
40 case 1:
41 if (getrlimit(RLIMIT_FSIZE, &rlimit) < 0)
42 return(-1);
43 return (rlimit.rlim_cur / 512);
44
45 case 2:
46 rlimit.rlim_cur = rlimit.rlim_max = newlimit * 512;
47 return (setrlimit(RLIMIT_FSIZE, &rlimit));
48
49 case 3:
50 if (getrlimit(RLIMIT_DATA, &rlimit) < 0)
51 return(-1);
52 return (rlimit.rlim_cur);
53
54 case 4:
55 return (getdtablesize());
56
57 default:
58 errno = EINVAL;
59 return (-1);
60 }
61 }
62