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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include "lint.h" 28 #include <sys/types.h> 29 #include <errno.h> 30 #include <signal.h> 31 32 int 33 siginterrupt(int sig, int flag) 34 { 35 struct sigaction act; 36 37 /* 38 * Check for valid signal number 39 */ 40 if (sig <= 0 || sig >= NSIG) { 41 errno = EINVAL; 42 return (-1); 43 } 44 45 (void) sigaction(sig, NULL, &act); 46 if (flag) 47 act.sa_flags &= ~SA_RESTART; 48 else 49 act.sa_flags |= SA_RESTART; 50 return (sigaction(sig, &act, NULL)); 51 } 52