/*- * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)sigsetops.c 8.1 (Berkeley) 6/4/93 * * @(#)sigsetops.c 8.1 (Berkeley) 6/4/93 * $FreeBSD: src/lib/libc/gen/sigsetops.c,v 1.7 1999/10/02 19:37:14 marcel Exp $ * $DragonFly: src/lib/libc/gen/sigsetops.c,v 1.2 2003/06/17 04:26:42 dillon Exp $ */ #include #include int sigaddset(set, signo) sigset_t *set; int signo; { if (signo <= 0 || signo > _SIG_MAXSIG) { errno = EINVAL; return (-1); } set->__bits[_SIG_WORD(signo)] |= _SIG_BIT(signo); return (0); } int sigdelset(set, signo) sigset_t *set; int signo; { if (signo <= 0 || signo > _SIG_MAXSIG) { errno = EINVAL; return (-1); } set->__bits[_SIG_WORD(signo)] &= ~_SIG_BIT(signo); return (0); } int sigemptyset(set) sigset_t *set; { int i; for (i = 0; i < _SIG_WORDS; i++) set->__bits[i] = 0; return (0); } int sigfillset(set) sigset_t *set; { int i; for (i = 0; i < _SIG_WORDS; i++) set->__bits[i] = ~0U; return (0); } int sigismember(set, signo) const sigset_t *set; int signo; { if (signo <= 0 || signo > _SIG_MAXSIG) { errno = EINVAL; return (-1); } return ((set->__bits[_SIG_WORD(signo)] & _SIG_BIT(signo)) ? 1 : 0); }