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 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