RAUL: Slave.hpp Source File

00001 /* This file is part of Raul.
00002  * Copyright (C) 2007-2009 David Robillard <http://drobilla.net>
00003  *
00004  * Raul is free software; you can redistribute it and/or modify it under the
00005  * terms of the GNU General Public License as published by the Free Software
00006  * Foundation; either version 2 of the License, or (at your option) any later
00007  * version.
00008  *
00009  * Raul is distributed in the hope that it will be useful, but WITHOUT ANY
00010  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00011  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
00012  *
00013  * You should have received a copy of the GNU General Public License along
00014  * with this program; if not, write to the Free Software Foundation, Inc.,
00015  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
00016  */
00017 
00018 #ifndef RAUL_SLAVE_HPP
00019 #define RAUL_SLAVE_HPP
00020 
00021 #include <pthread.h>
00022 #include "raul/Semaphore.hpp"
00023 #include "raul/Thread.hpp"
00024 
00025 namespace Raul {
00026 
00027 
00035 class Slave : public Thread
00036 {
00037 public:
00038     Slave() : _whip(0) {}
00039 
00041     inline void whip() { _whip.post(); }
00042 
00043 protected:
00050     virtual void _whipped() = 0;
00051 
00052     Semaphore _whip;
00053 
00054 private:
00055     inline void _run() {
00056         while (true) {
00057             _whip.wait();
00058             _whipped();
00059         }
00060     }
00061 };
00062 
00063 
00064 } // namespace Raul
00065 
00066 #endif // RAUL_SLAVE_HPP