aboutsummaryrefslogtreecommitdiff
path: root/signal/sigsetops.h
blob: 972aa69c63c7951deeb280c9ae49b37c24737897 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
/* Copyright (C) 1991, 1995 Free Software Foundation, Inc.
This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.  */

/* Definitions relevant to functions that operate on `sigset_t's.  */

#include <ansidecl.h>
#include <errno.h>
#include <signal.h>
#include <string.h>

#define	BITS		(_NSIG - 1)
#define	ELT(signo)	(((signo) - 1) / BITS)
#define	MASK(signo)	(1 << (((signo) - 1) % BITS))

#undef	sigemptyset
#undef	sigfillset
#undef	sigaddset
#undef	sigdelset
#undef	sigismember