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diff --git a/src/charon/processing/scheduler.h b/src/charon/processing/scheduler.h
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+++ b/src/charon/processing/scheduler.h
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+/**
+ * @file scheduler.h
+ * 
+ * @brief Interface of scheduler_t.
+ * 
+ */
+
+/*
+ * Copyright (C) 2005-2006 Martin Willi
+ * Copyright (C) 2005 Jan Hutter
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+#ifndef SCHEDULER_H_
+#define SCHEDULER_H_
+
+typedef struct scheduler_t scheduler_t;
+
+#include <library.h>
+
+/**
+ * @brief The scheduler thread is responsible for timed events.
+ *
+ * The scheduler thread takes out jobs from the event-queue and adds them
+ * to the job-queue.
+ *
+ * Starts a thread which does the work, since event-queue is blocking.
+ *
+ * @b Constructors:
+ *  - scheduler_create()
+ *
+ * @ingroup processing
+ */
+struct scheduler_t { 	
+
+	/**
+	 * @brief Destroys a scheduler object.
+	 * 
+	 * @param scheduler 	calling object
+	 */
+	void (*destroy) (scheduler_t *scheduler);
+};
+
+/**
+ * @brief Create a scheduler with its associated thread.
+ * 
+ * The thread will start to get jobs form the event queue 
+ * and adds them to the job queue.
+ * 
+ * @return 
+ * 				- scheduler_t object
+ * 				- NULL if thread could not be started
+ * 
+ * @ingroup processing
+ */
+scheduler_t * scheduler_create(void);
+
+#endif /*SCHEDULER_H_*/