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diff --git a/src/common/mainloop.h b/src/common/mainloop.h
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+/*
+ *  Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License
+ */
+/*
+ * @file        mainloop.h
+ * @author      Kyungwook Tak (k.tak@samsung.com)
+ * @version     1.0
+ * @brief       Manageloop with epoll
+ */
+#pragma once
+
+#include <functional>
+#include <mutex>
+#include <unordered_map>
+
+namespace CCHECKER {
+
+class Mainloop {
+public:
+	typedef std::function<void(uint32_t event)> Callback;
+
+	Mainloop();
+	virtual ~Mainloop();
+
+	Mainloop(const Mainloop &) = delete;
+	Mainloop &operator=(const Mainloop &) = delete;
+	Mainloop(Mainloop &&) = delete;
+	Mainloop &operator=(Mainloop &&) = delete;
+
+	void run(int timeout);
+
+	void addEventSource(int fd, uint32_t event, Callback &&callback);
+	void removeEventSource(int fd);
+
+private:
+	void dispatch(int timeout);
+
+	bool m_isTimedOut;
+	int m_pollfd;
+	std::mutex m_mutex;
+	std::unordered_map<int, Callback> m_callbacks;
+
+	constexpr static size_t MAX_EPOLL_EVENTS = 32;
+};
+
+} // namespace CCHECKER