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 #pragma ident "%Z%%M% %I% %E% SMI" 23 /* from UCB 4.1 83/06/10 */ 24 25 /* 26 * Backwards compatible alarm. 27 */ 28 #include <sys/time.h> 29 30 alarm(secs) 31 int secs; 32 { 33 struct itimerval it, oitv; 34 register struct itimerval *itp = ⁢ 35 36 timerclear(&itp->it_interval); 37 itp->it_value.tv_sec = secs; 38 itp->it_value.tv_usec = 0; 39 if (setitimer(ITIMER_REAL, itp, &oitv) < 0) 40 return (-1); 41 if (oitv.it_value.tv_usec) 42 oitv.it_value.tv_sec++; 43 return (oitv.it_value.tv_sec); 44 } 45