/* * Copyright 2003-2017 The Music Player Daemon Project * http://www.musicpd.org * * 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. */ #include "config.h" #include "MaskMonitor.hxx" void MaskMonitor::OrMask(unsigned new_mask) { if (pending_mask.fetch_or(new_mask) == 0) DeferredMonitor::Schedule(); } void MaskMonitor::RunDeferred() { const unsigned mask = pending_mask.exchange(0); if (mask != 0) callback(mask); }