xref: /onnv-gate/usr/src/lib/libc/port/gen/sigflag.c (revision 6812:febeba71273d)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
51879Sraf  * Common Development and Distribution License (the "License").
61879Sraf  * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate  *
80Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate  * See the License for the specific language governing permissions
110Sstevel@tonic-gate  * and limitations under the License.
120Sstevel@tonic-gate  *
130Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate  *
190Sstevel@tonic-gate  * CDDL HEADER END
200Sstevel@tonic-gate  */
211879Sraf 
220Sstevel@tonic-gate /*
23*6812Sraf  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
240Sstevel@tonic-gate  * Use is subject to license terms.
250Sstevel@tonic-gate  */
260Sstevel@tonic-gate 
270Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
280Sstevel@tonic-gate /*	  All Rights Reserved  	*/
290Sstevel@tonic-gate 
30*6812Sraf #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*6812Sraf 
320Sstevel@tonic-gate /* change state of signal flag */
330Sstevel@tonic-gate 
34*6812Sraf #include "lint.h"
350Sstevel@tonic-gate #include <sys/types.h>
360Sstevel@tonic-gate #include <signal.h>
370Sstevel@tonic-gate 
380Sstevel@tonic-gate int
sigflag(int sig,int flag,int on)391879Sraf sigflag(int sig, int flag, int on)
400Sstevel@tonic-gate {
410Sstevel@tonic-gate 	struct sigaction sa;
420Sstevel@tonic-gate 	int v;
430Sstevel@tonic-gate 
440Sstevel@tonic-gate 	if ((v = sigaction(sig, 0, &sa)) < 0)
450Sstevel@tonic-gate 		return (v);
460Sstevel@tonic-gate 	if (on)
470Sstevel@tonic-gate 		sa.sa_flags |= flag;
480Sstevel@tonic-gate 	else
490Sstevel@tonic-gate 		sa.sa_flags &= ~flag;
500Sstevel@tonic-gate 	return (sigaction(sig, &sa, 0));
510Sstevel@tonic-gate }
52