1 /* $NetBSD: compat_sigsetops.c,v 1.3 2012/03/20 17:05:59 matt 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: compat_sigsetops.c,v 1.3 2012/03/20 17:05:59 matt Exp $"); 40 #endif 41 #endif /* LIBC_SCCS and not lint */ 42 43 #define __LIBC12_SOURCE__ 44 45 #include <errno.h> 46 #include <sys/time.h> 47 #include <compat/sys/time.h> 48 #include <signal.h> 49 #include <compat/include/signal.h> 50 51 #undef sigemptyset 52 #undef sigfillset 53 #undef sigaddset 54 #undef sigdelset 55 #undef sigismember 56 57 __warn_references(sigaddset, 58 "warning: reference to compatibility sigaddset(); include <signal.h> for correct reference") 59 __warn_references(sigdelset, 60 "warning: reference to compatibility sigdelset(); include <signal.h> for correct reference") 61 __warn_references(sigemptyset, 62 "warning: reference to compatibility sigemptyset(); include <signal.h> for correct reference") 63 __warn_references(sigfillset, 64 "warning: reference to compatibility sigfillset(); include <signal.h> for correct reference") 65 __warn_references(sigismember, 66 "warning: reference to compatibility sigismember(); include <signal.h> for correct reference") 67 68 int 69 sigemptyset(sigset13_t *set) 70 { 71 *set = 0; 72 return (0); 73 } 74 75 int 76 sigfillset(sigset13_t *set) 77 { 78 *set = ~(sigset13_t)0; 79 return (0); 80 } 81 82 int 83 sigaddset(sigset13_t *set, int signo) 84 { 85 if (signo <= 0 || signo >= NSIG13) { 86 errno = EINVAL; 87 return -1; 88 } 89 *set |= __sigmask13(signo); 90 return (0); 91 } 92 93 int 94 sigdelset(sigset13_t *set, int signo) 95 { 96 if (signo <= 0 || signo >= NSIG13) { 97 errno = EINVAL; 98 return -1; 99 } 100 *set &= ~__sigmask13(signo); 101 return (0); 102 } 103 104 int 105 sigismember(const sigset13_t *set, int signo) 106 { 107 if (signo <= 0 || signo >= NSIG13) { 108 errno = EINVAL; 109 return -1; 110 } 111 return ((*set & __sigmask13(signo)) != 0); 112 } 113