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a74aeac6 PR |
1 | /* |
2 | * set.h Macros that look like sigaddset et al. but | |
3 | * aren't. They are used to manipulate bits in | |
4 | * an integer, to do our signal bookeeping. | |
5 | * | |
6 | * Copyright (C) 2005 Miquel van Smoorenburg. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #define ISMEMBER(set, val) ((set) & (1 << (val))) | |
25 | #define DELSET(set, val) ((set) &= ~(1 << (val))) | |
26 | #define ADDSET(set, val) ((set) |= (1 << (val))) | |
27 | #define EMPTYSET(set) ((set) = 0) | |
28 |