1 /* $NetBSD: sigsetops.c,v 1.13 1998/12/01 22:05:21 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)sigsetops.c 8.1 (Berkeley) 6/4/93 36 */ 37 38 #include <sys/cdefs.h> 39 #if defined(LIBC_SCCS) && !defined(lint) 40 #if 0 41 static char sccsid[] = "@(#)sigsetops.c 8.1 (Berkeley) 6/4/93"; 42 #else 43 __RCSID("$NetBSD: sigsetops.c,v 1.13 1998/12/01 22:05:21 thorpej Exp $"); 44 #endif 45 #endif /* LIBC_SCCS and not lint */ 46 47 #define __LIBC12_SOURCE__ 48 49 #include <errno.h> 50 #include <signal.h> 51 52 #undef sigemptyset 53 #undef sigfillset 54 #undef sigaddset 55 #undef sigdelset 56 #undef sigismember 57 58 __warn_references(sigaddset, 59 "warning: reference to compatibility sigaddset(); include <signal.h> for correct reference") 60 __warn_references(sigdelset, 61 "warning: reference to compatibility sigdelset(); include <signal.h> for correct reference") 62 __warn_references(sigemptyset, 63 "warning: reference to compatibility sigemptyset(); include <signal.h> for correct reference") 64 __warn_references(sigfillset, 65 "warning: reference to compatibility sigfillset(); include <signal.h> for correct reference") 66 __warn_references(sigismember, 67 "warning: reference to compatibility sigismember(); include <signal.h> for correct reference") 68 69 int 70 sigemptyset(set) 71 sigset13_t *set; 72 { 73 *set = 0; 74 return (0); 75 } 76 77 int 78 sigfillset(set) 79 sigset13_t *set; 80 { 81 *set = ~(sigset13_t)0; 82 return (0); 83 } 84 85 int 86 sigaddset(set, signo) 87 sigset13_t *set; 88 int signo; 89 { 90 if (signo <= 0 || signo >= NSIG13) { 91 errno = EINVAL; 92 return -1; 93 } 94 *set |= __sigmask13(signo); 95 return (0); 96 } 97 98 int 99 sigdelset(set, signo) 100 sigset13_t *set; 101 int signo; 102 { 103 if (signo <= 0 || signo >= NSIG13) { 104 errno = EINVAL; 105 return -1; 106 } 107 *set &= ~__sigmask13(signo); 108 return (0); 109 } 110 111 int 112 sigismember(set, signo) 113 const sigset13_t *set; 114 int signo; 115 { 116 if (signo <= 0 || signo >= NSIG13) { 117 errno = EINVAL; 118 return -1; 119 } 120 return ((*set & __sigmask13(signo)) != 0); 121 } 122