89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/*-
|
|
* 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
|
|
*/
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
static char sccsid[] = "@(#)sigsetops.c 8.1 (Berkeley) 6/4/93";
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include <signal.h>
|
|
|
|
#undef sigemptyset
|
|
#undef sigfillset
|
|
#undef sigaddset
|
|
#undef sigdelset
|
|
#undef sigismember
|
|
|
|
int
|
|
sigemptyset(set)
|
|
sigset_t *set;
|
|
{
|
|
*set = 0;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
sigfillset(set)
|
|
sigset_t *set;
|
|
{
|
|
*set = ~(sigset_t)0;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
sigaddset(set, signo)
|
|
sigset_t *set;
|
|
int signo;
|
|
{
|
|
*set |= sigmask(signo);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
sigdelset(set, signo)
|
|
sigset_t *set;
|
|
int signo;
|
|
{
|
|
*set &= ~sigmask(signo);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
sigismember(set, signo)
|
|
const sigset_t *set;
|
|
int signo;
|
|
{
|
|
return ((*set & ~sigmask(signo)) != 0);
|
|
}
|