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 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23 /* All Rights Reserved */ 24 25 #include "mail.h" 26 /* 27 Signal reset 28 signals that are not being ignored will be 29 caught by function f 30 i -> signal number 31 f -> signal routine 32 return 33 rc -> former signal 34 */ 35 void (*setsig(i, f))() 36 int i; 37 void (*f)(); 38 { 39 register void (*rc)(); 40 41 if ((rc = signal(i, SIG_IGN)) != (void (*)()) SIG_IGN) 42 signal(i, f); 43 return(rc); 44 } 45