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Diffstat (limited to 'src/libs/engine/Slave.h')
-rw-r--r-- | src/libs/engine/Slave.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/libs/engine/Slave.h b/src/libs/engine/Slave.h new file mode 100644 index 00000000..e6cc8ed5 --- /dev/null +++ b/src/libs/engine/Slave.h @@ -0,0 +1,60 @@ +/* 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 <pthread.h> +#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 |