glibc/signal/sigsetops.h

34 lines
1.2 KiB
C
Raw Normal View History

/* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
1995-02-18 01:27:10 +00:00
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
1995-02-18 01:27:10 +00:00
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
Lesser General Public License for more details.
1995-02-18 01:27:10 +00:00
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
1995-02-18 01:27:10 +00:00
/* Definitions relevant to functions that operate on `sigset_t's. */
#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