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+/**
+ * \file
+ * \brief ThreadListNode class header
+ *
+ * \author Copyright (C) 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_THREADLISTNODE_HPP_
+#define INCLUDE_DISTORTOS_INTERNAL_SCHEDULER_THREADLISTNODE_HPP_
+
+#include "estd/IntrusiveList.hpp"
+
+namespace distortos
+{
+
+namespace internal
+{
+
+/**
+ * \brief ThreadListNode class is a base for ThreadControlBlock that provides nodes for intrusive lists
+ *
+ * This class is needed to break circular dependency - MutexList is contained in ThreadControlBlock and ThreadList is
+ * contained in MutexControlBlock.
+ */
+
+class ThreadListNode
+{
+public:
+
+ /**
+ * \brief ThreadListNode's constructor
+ *
+ * \param [in] priority is the thread's priority, 0 - lowest, UINT8_MAX - highest
+ */
+
+ constexpr ThreadListNode(const uint8_t priority) :
+ threadListNode{},
+ threadGroupNode{},
+ priority_{priority},
+ boostedPriority_{}
+ {
+
+ }
+
+ /**
+ * \return effective priority of thread
+ */
+
+ uint8_t getEffectivePriority() const
+ {
+ return std::max(priority_, boostedPriority_);
+ }
+
+ /**
+ * \return priority of thread
+ */
+
+ uint8_t getPriority() const
+ {
+ return priority_;
+ }
+
+ /// node for intrusive list in thread lists
+ estd::IntrusiveListNode threadListNode;
+
+ /// node for intrusive list in thread group
+ estd::IntrusiveListNode threadGroupNode;
+
+protected:
+
+ /// thread's priority, 0 - lowest, UINT8_MAX - highest
+ uint8_t priority_;
+
+ /// thread's boosted priority, 0 - no boosting
+ uint8_t boostedPriority_;
+};
+
+} // namespace internal
+
+} // namespace distortos
+
+#endif // INCLUDE_DISTORTOS_INTERNAL_SCHEDULER_THREADLISTNODE_HPP_