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46eba3e8b7
Note this ONLY affects the function version - the macro version is always used unless for some reason you put #undef sigismember in your code before calling it. PR: 3615 Submitted by: Nanbor Wang <nw1@cs.wustl.edu> (slightly amended patch)
89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/*-
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)sigsetops.c 8.1 (Berkeley) 6/4/93
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)sigsetops.c 8.1 (Berkeley) 6/4/93";
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#endif /* LIBC_SCCS and not lint */
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#include <signal.h>
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#undef sigemptyset
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#undef sigfillset
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#undef sigaddset
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#undef sigdelset
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#undef sigismember
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int
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sigemptyset(set)
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sigset_t *set;
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{
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*set = 0;
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return (0);
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}
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int
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sigfillset(set)
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sigset_t *set;
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{
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*set = ~(sigset_t)0;
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return (0);
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}
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int
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sigaddset(set, signo)
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sigset_t *set;
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int signo;
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{
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*set |= sigmask(signo);
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return (0);
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}
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int
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sigdelset(set, signo)
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sigset_t *set;
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int signo;
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{
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*set &= ~sigmask(signo);
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return (0);
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}
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int
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sigismember(set, signo)
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const sigset_t *set;
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int signo;
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{
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return ((*set & sigmask(signo)) != 0);
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}
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