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diff --git a/src/server/ProcessContext.hpp b/src/server/ProcessContext.hpp
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+/* This file is part of Ingen.
+ * Copyright 2007-2011 David Robillard <http://drobilla.net>
+ *
+ * Ingen 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.
+ *
+ * Ingen 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 INGEN_ENGINE_PROCESSCONTEXT_HPP
+#define INGEN_ENGINE_PROCESSCONTEXT_HPP
+
+#include <vector>
+
+#include "Context.hpp"
+#include "EventSink.hpp"
+#include "types.hpp"
+
+namespace Ingen {
+namespace Server {
+
+class ProcessSlave;
+
+/** Context of a process() call (the audio context).
+ * \ingroup engine
+ */
+class ProcessContext : public Context
+{
+public:
+	explicit ProcessContext(Engine& engine) : Context(engine, AUDIO) {}
+
+	typedef std::vector<ProcessSlave*> Slaves;
+
+	const Slaves& slaves() const { return _slaves; }
+	Slaves&       slaves()       { return _slaves; }
+
+	void activate(uint32_t parallelism, bool sched_rt);
+
+private:
+	Slaves _slaves;
+};
+
+} // namespace Server
+} // namespace Ingen
+
+#endif // INGEN_ENGINE_PROCESSCONTEXT_HPP