diff --git a/cmd/csd.hpp b/cmd/csd.hpp
new file mode 100644
index 0000000..2dbaeeb
--- /dev/null
+++ b/cmd/csd.hpp
@@ -0,0 +1,63 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2017, Regents of the University of California.
+ *
+ * This file is part of ChronoShare, a decentralized file sharing application over NDN.
+ *
+ * ChronoShare 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 3 of the License, or (at your option) any later version.
+ *
+ * ChronoShare 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.
+ *
+ * You should have received copies of the GNU General Public License along with
+ * ChronoShare, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ChronoShare authors and contributors.
+ */
+
+#include "core/chronoshare-common.hpp"
+
+#include <QtCore>
+
+#ifndef Q_MOC_RUN
+#include "dispatcher.hpp"
+#include "fs-watcher/fs-watcher.hpp"
+#include "core/logging.hpp"
+
+#include <boost/asio/io_service.hpp>
+#endif // Q_MOC_RUN
+
+
+namespace ndn {
+namespace chronoshare {
+
+class Runner : public QObject
+{
+  Q_OBJECT
+public:
+  Runner(QObject* parent = 0)
+    : QObject(parent)
+    , retval(0)
+  {
+  }
+
+signals:
+  void
+  terminateApp();
+
+public slots:
+  void
+  notifyAsioThread()
+  {
+    emit terminateApp();
+  }
+
+public:
+  int retval;
+};
+
+} // namespace chronoshare
+} // namespace ndn
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