sigsetops.c revision 17141
11573Srgrimes/*- 21573Srgrimes * Copyright (c) 1989, 1993 31573Srgrimes * The Regents of the University of California. All rights reserved. 41573Srgrimes * 51573Srgrimes * Redistribution and use in source and binary forms, with or without 61573Srgrimes * modification, are permitted provided that the following conditions 71573Srgrimes * are met: 81573Srgrimes * 1. Redistributions of source code must retain the above copyright 91573Srgrimes * notice, this list of conditions and the following disclaimer. 101573Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111573Srgrimes * notice, this list of conditions and the following disclaimer in the 121573Srgrimes * documentation and/or other materials provided with the distribution. 131573Srgrimes * 3. All advertising materials mentioning features or use of this software 141573Srgrimes * must display the following acknowledgement: 151573Srgrimes * This product includes software developed by the University of 161573Srgrimes * California, Berkeley and its contributors. 171573Srgrimes * 4. Neither the name of the University nor the names of its contributors 181573Srgrimes * may be used to endorse or promote products derived from this software 191573Srgrimes * without specific prior written permission. 201573Srgrimes * 211573Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221573Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231573Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241573Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251573Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261573Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271573Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281573Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291573Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301573Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311573Srgrimes * SUCH DAMAGE. 321573Srgrimes * 331573Srgrimes * @(#)sigsetops.c 8.1 (Berkeley) 6/4/93 341573Srgrimes */ 351573Srgrimes 361573Srgrimes#if defined(LIBC_SCCS) && !defined(lint) 371573Srgrimesstatic char sccsid[] = "@(#)sigsetops.c 8.1 (Berkeley) 6/4/93"; 381573Srgrimes#endif /* LIBC_SCCS and not lint */ 391573Srgrimes 401573Srgrimes#include <signal.h> 411573Srgrimes 421573Srgrimes#undef sigemptyset 431573Srgrimes#undef sigfillset 441573Srgrimes#undef sigaddset 451573Srgrimes#undef sigdelset 461573Srgrimes#undef sigismember 471573Srgrimes 4817141Sjkhint 491573Srgrimessigemptyset(set) 501573Srgrimes sigset_t *set; 511573Srgrimes{ 521573Srgrimes *set = 0; 531573Srgrimes return (0); 541573Srgrimes} 551573Srgrimes 5617141Sjkhint 571573Srgrimessigfillset(set) 581573Srgrimes sigset_t *set; 591573Srgrimes{ 601573Srgrimes *set = ~(sigset_t)0; 611573Srgrimes return (0); 621573Srgrimes} 631573Srgrimes 6417141Sjkhint 651573Srgrimessigaddset(set, signo) 661573Srgrimes sigset_t *set; 671573Srgrimes int signo; 681573Srgrimes{ 691573Srgrimes *set |= sigmask(signo); 701573Srgrimes return (0); 711573Srgrimes} 721573Srgrimes 7317141Sjkhint 741573Srgrimessigdelset(set, signo) 751573Srgrimes sigset_t *set; 761573Srgrimes int signo; 771573Srgrimes{ 781573Srgrimes *set &= ~sigmask(signo); 791573Srgrimes return (0); 801573Srgrimes} 811573Srgrimes 8217141Sjkhint 831573Srgrimessigismember(set, signo) 841573Srgrimes const sigset_t *set; 851573Srgrimes int signo; 861573Srgrimes{ 871573Srgrimes return ((*set & ~sigmask(signo)) != 0); 881573Srgrimes} 89