/* * This file is part of mpv. * Copyright (c) 2013 Stefano Pigozzi * * mpv 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. * * mpv 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 mpv. If not, see . */ // At this point both gcc and clang had __sync_synchronize support for some // time. We only support a full memory barrier. #define mp_memory_barrier() __sync_synchronize() #define mp_atomic_add_and_fetch(a, b) __sync_add_and_fetch(a, b)