1 | /* Copyright (C) 1991-2016 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
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. |
8 | |
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. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ |
17 | |
18 | /* Definitions relevant to functions that operate on `sigset_t's. */ |
19 | |
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 |
33 | |