1 files changed, 49 insertions, 0 deletions
diff --git a/gnuradio-runtime/include/gnuradio/msg_handler.h b/gnuradio-runtime/include/gnuradio/msg_handler.h
new file mode 100644
index 0000000000..b37f215616
--- /dev/null
+++ b/gnuradio-runtime/include/gnuradio/msg_handler.h
@@ -0,0 +1,49 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2005,2013 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio 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, or (at your option)
+ * any later version.
+ *
+ * GNU Radio 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 a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_GR_MSG_HANDLER_H
+#define INCLUDED_GR_MSG_HANDLER_H
+
+#include <gnuradio/api.h>
+#include <gnuradio/message.h>
+
+namespace gr {
+
+  class msg_handler;
+  typedef boost::shared_ptr<msg_handler> msg_handler_sptr;
+
+  /*!
+   * \brief abstract class of message handlers
+   * \ingroup base
+   */
+  class GR_RUNTIME_API msg_handler
+  {
+  public:
+    virtual ~msg_handler();
+
+    //! handle \p msg
+    virtual void handle(message::sptr msg) = 0;
+  };
+
+} /* namespace gr */
+
+#endif /* INCLUDED_GR_MSG_HANDLER_H */