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 #pragma weak siginterrupt = _siginterrupt 30 31 #include "synonyms.h" 32 #include <sys/types.h> 33 #include <errno.h> 34 #include <signal.h> 35 36 int 37 siginterrupt(int sig, int flag) 38 { 39 struct sigaction act; 40 41 /* 42 * Check for valid signal number 43 */ 44 if (sig <= 0 || sig >= NSIG) { 45 errno = EINVAL; 46 return (-1); 47 } 48 49 (void) sigaction(sig, NULL, &act); 50 if (flag) 51 act.sa_flags &= ~SA_RESTART; 52 else 53 act.sa_flags |= SA_RESTART; 54 return (sigaction(sig, &act, NULL)); 55 } 56