/* * set.h Macros that look like sigaddset et al. but * aren't. They are used to manipulate bits in * an integer, to do our signal bookeeping. * * Copyright (C) 2005 Miquel van Smoorenburg. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * */ #define ISMEMBER(set, val) ((set) & (1 << (val))) #define DELSET(set, val) ((set) &= ~(1 << (val))) #define ADDSET(set, val) ((set) |= (1 << (val))) #define EMPTYSET(set) ((set) = 0)