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 2004 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 /* Copyright (c) 1988 AT&T */ 30 /* All Rights Reserved */ 31 32 33 /* change state of signal flag */ 34 35 #pragma weak sigflag = _sigflag 36 37 #include "synonyms.h" 38 #include <sys/types.h> 39 #include <signal.h> 40 41 int 42 sigflag(int sig, int on, int flag) 43 { 44 struct sigaction sa; 45 int v; 46 47 if ((v = sigaction(sig, 0, &sa)) < 0) 48 return (v); 49 if (on) 50 sa.sa_flags |= flag; 51 else 52 sa.sa_flags &= ~flag; 53 return (sigaction(sig, &sa, 0)); 54 } 55