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 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