[thirdparty/glibc.git] / signal / sigsetops.h

/* Copyright (C) 1991-2016 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 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.

   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.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

/* 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
Commit	Line	Data
f7a9f785	1	/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
feb3c934	2	This file is part of the GNU C Library.
28f540f4	3
feb3c934	4	The GNU C Library is free software; you can redistribute it and/or
41bdb6e2 AJ	5	modify it under the terms of the GNU Lesser General Public
	6	License as published by the Free Software Foundation; either
	7	version 2.1 of the License, or (at your option) any later version.
28f540f4	8
feb3c934 UD	9	The GNU C Library is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2	12	Lesser General Public License for more details.
28f540f4	13
41bdb6e2	14	You should have received a copy of the GNU Lesser General Public
59ba27a6 PE	15	License along with the GNU C Library; if not, see
59ba27a6 PE	16	<http://www.gnu.org/licenses/>. */
28f540f4 RM	17
	18	/* Definitions relevant to functions that operate on `sigset_t's. */
	19
28f540f4 RM	20	#include <errno.h>
	21	#include <signal.h>
	22	#include <string.h>
	23
	24	#define BITS (_NSIG - 1)
	25	#define ELT(signo) (((signo) - 1) / BITS)
	26	#define MASK(signo) (1 << (((signo) - 1) % BITS))
	27
	28	#undef sigemptyset
	29	#undef sigfillset
	30	#undef sigaddset
	31	#undef sigdelset
	32	#undef sigismember