1 /* $NetBSD: sigsetops.c,v 1.14 2003/08/07 16:42:57 agc 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)sigsetops.c 8.1 (Berkeley) 6/4/93 32 */ 33 34 #include <sys/cdefs.h> 35 #if defined(LIBC_SCCS) && !defined(lint) 36 #if 0 37 static char sccsid[] = "@(#)sigsetops.c 8.1 (Berkeley) 6/4/93"; 38 #else 39 __RCSID("$NetBSD: sigsetops.c,v 1.14 2003/08/07 16:42:57 agc Exp $"); 40 #endif 41 #endif /* LIBC_SCCS and not lint */ 42 43 #define __LIBC12_SOURCE__ 44 45 #include <errno.h> 46 #include <signal.h> 47 48 #undef sigemptyset 49 #undef sigfillset 50 #undef sigaddset 51 #undef sigdelset 52 #undef sigismember 53 54 __warn_references(sigaddset, 55 "warning: reference to compatibility sigaddset(); include <signal.h> for correct reference") 56 __warn_references(sigdelset, 57 "warning: reference to compatibility sigdelset(); include <signal.h> for correct reference") 58 __warn_references(sigemptyset, 59 "warning: reference to compatibility sigemptyset(); include <signal.h> for correct reference") 60 __warn_references(sigfillset, 61 "warning: reference to compatibility sigfillset(); include <signal.h> for correct reference") 62 __warn_references(sigismember, 63 "warning: reference to compatibility sigismember(); include <signal.h> for correct reference") 64 65 int 66 sigemptyset(set) 67 sigset13_t *set; 68 { 69 *set = 0; 70 return (0); 71 } 72 73 int 74 sigfillset(set) 75 sigset13_t *set; 76 { 77 *set = ~(sigset13_t)0; 78 return (0); 79 } 80 81 int 82 sigaddset(set, signo) 83 sigset13_t *set; 84 int signo; 85 { 86 if (signo <= 0 || signo >= NSIG13) { 87 errno = EINVAL; 88 return -1; 89 } 90 *set |= __sigmask13(signo); 91 return (0); 92 } 93 94 int 95 sigdelset(set, signo) 96 sigset13_t *set; 97 int signo; 98 { 99 if (signo <= 0 || signo >= NSIG13) { 100 errno = EINVAL; 101 return -1; 102 } 103 *set &= ~__sigmask13(signo); 104 return (0); 105 } 106 107 int 108 sigismember(set, signo) 109 const sigset13_t *set; 110 int signo; 111 { 112 if (signo <= 0 || signo >= NSIG13) { 113 errno = EINVAL; 114 return -1; 115 } 116 return ((*set & __sigmask13(signo)) != 0); 117 } 118