1 files changed, 73 insertions, 0 deletions
diff --git a/gnuradio-runtime/include/gnuradio/dispatcher.h b/gnuradio-runtime/include/gnuradio/dispatcher.h
new file mode 100644
index 0000000000..ab1d6190c6
--- /dev/null
+++ b/gnuradio-runtime/include/gnuradio/dispatcher.h
@@ -0,0 +1,73 @@
+/* -*- 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_DISPATCHER_H
+#define INCLUDED_GR_DISPATCHER_H
+
+#include <gnuradio/api.h>
+#include <gnuradio/select_handler.h>
+#include <vector>
+
+namespace gr {
+
+  class dispatcher;
+  typedef boost::shared_ptr<dispatcher> dispatcher_sptr;
+
+  GR_RUNTIME_API dispatcher_sptr dispatcher_singleton();
+  GR_RUNTIME_API dispatcher_sptr make_dispatcher();
+
+  /*!
+   * \brief invoke callbacks based on select.
+   * \ingroup internal
+   *
+   * \sa gr_select_handler
+   */
+  class GR_RUNTIME_API dispatcher
+  {
+    dispatcher();
+    friend GR_RUNTIME_API dispatcher_sptr make_dispatcher();
+
+    std::vector<select_handler_sptr> d_handler;
+    int d_max_index;
+
+  public:
+    ~dispatcher();
+
+    bool add_handler(select_handler_sptr handler);
+    bool del_handler(select_handler_sptr handler);
+    bool del_handler(select_handler *handler);
+
+    /*!
+     * \brief Event dispatching loop.
+     *
+     * Enter a polling loop that only terminates after all
+     * gr::select_handlers have been removed. \p timeout sets the
+     * timeout parameter to the select() call, measured in seconds.
+     *
+     * \param timeout maximum number of seconds to block in select.
+     */
+    void loop(double timeout=10);
+  };
+
+} /* namespace gr */
+
+#endif /* INCLUDED_GR_DISPATCHER_H */