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diff --git a/include/distortos/internal/scheduler/SoftwareTimerList.hpp b/include/distortos/internal/scheduler/SoftwareTimerList.hpp
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+++ b/include/distortos/internal/scheduler/SoftwareTimerList.hpp
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+/**
+ * \file
+ * \brief SoftwareTimerList class header
+ *
+ * \author Copyright (C) 2014-2015 Kamil Szczygiel http://www.distortec.com http://www.freddiechopin.info
+ *
+ * \par License
+ * This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not
+ * distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDE_DISTORTOS_INTERNAL_SCHEDULER_SOFTWARETIMERLIST_HPP_
+#define INCLUDE_DISTORTOS_INTERNAL_SCHEDULER_SOFTWARETIMERLIST_HPP_
+
+#include "distortos/internal/scheduler/SoftwareTimerListNode.hpp"
+
+#include "estd/SortedIntrusiveList.hpp"
+
+namespace distortos
+{
+
+namespace internal
+{
+
+class SoftwareTimerControlBlock;
+
+/// functor which gives ascending expiration time point order of elements on the list
+struct SoftwareTimerAscendingTimePoint
+{
+	/**
+	 * \brief SoftwareTimerAscendingTimePoint's constructor
+	 */
+
+	constexpr SoftwareTimerAscendingTimePoint()
+	{
+
+	}
+
+	/**
+	 * \brief SoftwareTimerAscendingTimePoint's function call operator
+	 *
+	 * \param [in] left is the object on the left side of comparison
+	 * \param [in] right is the object on the right side of comparison
+	 *
+	 * \return true if left's expiration time point is greater than right's expiration time point
+	 */
+
+	bool operator()(const SoftwareTimerListNode& left, const SoftwareTimerListNode& right) const
+	{
+		return left.getTimePoint() > right.getTimePoint();
+	}
+};
+
+/// sorted intrusive list of software timers (software timer control blocks)
+using SoftwareTimerList = estd::SortedIntrusiveList<SoftwareTimerAscendingTimePoint, SoftwareTimerListNode,
+		&SoftwareTimerListNode::node, SoftwareTimerControlBlock>;
+
+}	// namespace internal
+
+}	// namespace distortos
+
+#endif	// INCLUDE_DISTORTOS_INTERNAL_SCHEDULER_SOFTWARETIMERLIST_HPP_