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 1986 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 /* from UCB 4.1 83/05/30 */ 29 30 #include <sys/time.h> 31 #include <sys/resource.h> 32 33 /* 34 * Backwards compatible nice. 35 */ 36 int 37 nice(incr) 38 int incr; 39 { 40 int prio; 41 extern int errno; 42 int serrno; 43 44 serrno = errno; 45 errno = 0; 46 prio = getpriority(PRIO_PROCESS, 0); 47 if (prio == -1 && errno) 48 return (-1); 49 if (setpriority(PRIO_PROCESS, 0, prio + incr) == -1) 50 return (-1); 51 errno = serrno; 52 return (0); 53 } 54