1 /* 2 Copyright (c) 2009-2012 250bpm s.r.o. 3 Copyright (c) 2009-2011 Other contributors as noted in the AUTHORS file 4 5 This file is part of Crossroads I/O project. 6 7 Crossroads I/O is free software; you can redistribute it and/or modify it 8 under the terms of the GNU Lesser General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 Crossroads is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU Lesser General Public License for more details. 16 17 You should have received a copy of the GNU Lesser General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #ifndef __XS_LIKELY_HPP_INCLUDED__ 22 #define __XS_LIKELY_HPP_INCLUDED__ 23 24 #if defined __GNUC__ 25 #define likely(x) __builtin_expect ((x), 1) 26 #define unlikely(x) __builtin_expect ((x), 0) 27 #else 28 #define likely(x) (x) 29 #define unlikely(x) (x) 30 #endif 31 32 33 #endif 34