1 files changed, 52 insertions, 0 deletions
diff --git a/gnuradio-runtime/include/gnuradio/messages/msg_producer.h b/gnuradio-runtime/include/gnuradio/messages/msg_producer.h
new file mode 100644
index 0000000000..758320fc6a
--- /dev/null
+++ b/gnuradio-runtime/include/gnuradio/messages/msg_producer.h
@@ -0,0 +1,52 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2012,2013 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef INCLUDED_MSG_PRODUCER_H
+#define INCLUDED_MSG_PRODUCER_H
+
+#include <gnuradio/api.h>
+#include <pmt/pmt.h>
+#include <boost/shared_ptr.hpp>
+
+namespace gr {
+  namespace messages {
+
+    /*!
+     * \brief Virtual base class that produces messages
+     */
+    class GR_RUNTIME_API msg_producer
+    {
+    public:
+      msg_producer() {}
+      virtual ~msg_producer();
+
+      /*!
+       * \brief send \p msg to \p msg_producer
+       */
+      virtual pmt::pmt_t retrieve() = 0;
+    };
+
+    typedef boost::shared_ptr<msg_producer> msg_producer_sptr;
+    
+  } /* namespace messages */
+} /* namespace gr */
+
+#endif /* INCLUDED_MSG_PRODUCER_H */