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diff --git a/include/distortos/SignalSet.hpp b/include/distortos/SignalSet.hpp
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+/**
+ * \file
+ * \brief SignalSet 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_SIGNALSET_HPP_
+#define INCLUDE_DISTORTOS_SIGNALSET_HPP_
+
+#include <bitset>
+
+namespace distortos
+{
+
+/**
+ * \brief SignalSet class is used as a set of signals.
+ *
+ * Similar to POSIX sigset_t - http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/signal.h.html
+ *
+ * \ingroup signals
+ */
+
+class SignalSet
+{
+public:
+
+	/// type of internal bitset for 32 signals
+	using Bitset = std::bitset<32>;
+
+	/// tag struct to construct empty SignalSet
+	struct Empty
+	{
+
+	};
+
+	/// tag struct to construct full SignalSet
+	struct Full
+	{
+
+	};
+
+	/// tag object to construct empty SignalSet
+	constexpr static Empty empty = {};
+
+	/// tag object to construct full SignalSet
+	constexpr static Full full = {};
+
+	/**
+	 * \brief SignalSet's constructor
+	 *
+	 * \param [in] bitmask is the bit mask used to initialize internal bitset
+	 */
+
+	constexpr explicit SignalSet(uint32_t bitmask) :
+			bitset_{bitmask}
+	{
+
+	}
+
+	/**
+	 * \brief SignalSet's constructor
+	 *
+	 * \param [in] bitset is a reference to Bitset from which internal bitset is copy-constructed
+	 */
+
+	constexpr explicit SignalSet(const Bitset& bitset) :
+			bitset_{bitset}
+	{
+
+	}
+
+	/**
+	 * \brief SignalSet's constructor
+	 *
+	 * Constructs empty SignalSet.
+	 *
+	 * Similar to sigemptyset() - http://pubs.opengroup.org/onlinepubs/9699919799/functions/sigemptyset.html#
+	 */
+
+	constexpr explicit SignalSet(const Empty&) :
+			SignalSet{uint32_t{}}
+	{
+
+	}
+
+	/**
+	 * \brief SignalSet's constructor
+	 *
+	 * Constructs full SignalSet.
+	 *
+	 * Similar to sigfillset() - http://pubs.opengroup.org/onlinepubs/9699919799/functions/sigfillset.html#
+	 */
+
+	constexpr explicit SignalSet(const Full&) :
+			SignalSet{~uint32_t{}}
+	{
+
+	}
+
+	/**
+	 * \brief Sets single bit.
+	 *
+	 * Similar to sigaddset() - http://pubs.opengroup.org/onlinepubs/9699919799/functions/sigaddset.html#
+	 *
+	 * \param [in] signalNumber is the bit position that will be set, [0; 31]
+	 *
+	 * \return 0 on success, error code otherwise:
+	 * - EINVAL - \a signalNumber value is invalid;
+	 */
+
+	int add(const uint8_t signalNumber)
+	{
+		return set(signalNumber, true);
+	}
+
+	/**
+	 * \return copy of internal bitset
+	 */
+
+	Bitset getBitset() const
+	{
+		return bitset_;
+	}
+
+	/**
+	 * \brief Clears single bit.
+	 *
+	 * Similar to sigdelset() - http://pubs.opengroup.org/onlinepubs/9699919799/functions/sigdelset.html#
+	 *
+	 * \param [in] signalNumber is the bit position that will be cleared, [0; 31]
+	 *
+	 * \return 0 on success, error code otherwise:
+	 * - EINVAL - \a signalNumber value is invalid;
+	 */
+
+	int remove(const uint8_t signalNumber)
+	{
+		return set(signalNumber, false);
+	}
+
+	/**
+	 * \brief Tests whether the bit is set.
+	 *
+	 * Similar to sigismember() - http://pubs.opengroup.org/onlinepubs/9699919799/functions/sigismember.html#
+	 *
+	 * \param [in] signalNumber is the bit position that will be tested, [0; 31]
+	 *
+	 * \return pair with return code (0 on success, error code otherwise) and value of selected bit; error codes:
+	 * - EINVAL - \a signalNumber value is invalid;
+	 */
+
+	std::pair<int, bool> test(uint8_t signalNumber) const;
+
+private:
+
+	/**
+	 * \brief Sets value of single bit.
+	 *
+	 * \param [in] signalNumber is the bit position that will be modified, [0; 31]
+	 * \param [in] value is the new value for selected bit
+	 *
+	 * \return 0 on success, error code otherwise:
+	 * - EINVAL - \a signalNumber value is invalid;
+	 */
+
+	int set(uint8_t signalNumber, bool value);
+
+	/// internal bitset for 32 signals
+	Bitset bitset_;
+};
+
+}	// namespace distortos
+
+#endif	// INCLUDE_DISTORTOS_SIGNALSET_HPP_