.
[glibc/history.git] / signal / sigsetops.h
blob52081c2ba6d2e176ae07d510cb9e7a0e1a257c78
1 /* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
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.
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
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 /* Definitions relevant to functions that operate on `sigset_t's. */
21 #include <errno.h>
22 #include <signal.h>
23 #include <string.h>
25 #define BITS (_NSIG - 1)
26 #define ELT(signo) (((signo) - 1) / BITS)
27 #define MASK(signo) (1 << (((signo) - 1) % BITS))
29 #undef sigemptyset
30 #undef sigfillset
31 #undef sigaddset
32 #undef sigdelset
33 #undef sigismember