68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*-
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* Copyright (c) 1989 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted provided
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* that: (1) source distributions retain this entire copyright notice and
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* comment, and (2) distributions including binaries display the following
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* acknowledgement: ``This product includes software developed by the
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* University of California, Berkeley and its contributors'' in the
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* documentation or other materials provided with the distribution and in
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* all advertising materials mentioning features or use of this software.
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* Neither the name of the University nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* @(#)sigset.c 5.2 (Berkeley) 7/1/90
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)sigset.c 5.2 (Berkeley) 7/1/90";
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#endif /* LIBC_SCCS and not lint */
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#define _KERNEL
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#include "ixemul.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(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(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(sigset_t *set, 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(sigset_t *set, 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(const sigset_t *set, int signo)
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{
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return ((*set & ~sigmask(signo)) != 0);
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}
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