/* This file is part of Ingen. Copyright (C) 2006 Dave Robillard. * * Om 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. * * Om 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef SLAVE_H #define SLAVE_H #include #include "util/Semaphore.h" #include "Thread.h" namespace Om { /** Thread driven by (realtime safe) signals. * * \ingroup engine */ class Slave : public Thread { public: Slave() : _semaphore(0) {} inline void signal() { _semaphore.post(); } protected: virtual void _signalled() = 0; Semaphore _semaphore; private: // Prevent copies Slave(const Slave&); Slave& operator=(const Slave&); void _run() { while (true) { _semaphore.wait(); _signalled(); } } }; } // namespace Om #endif // SLAVE_H