3 * Copyright 2005 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
23 #ifndef INCLUDED_GR_DISPATCHER_H
24 #define INCLUDED_GR_DISPATCHER_H
26 #include <gr_select_handler.h>
30 typedef boost::shared_ptr<gr_dispatcher> gr_dispatcher_sptr;
32 gr_dispatcher_sptr gr_dispatcher_singleton();
33 gr_dispatcher_sptr gr_make_dispatcher();
36 * \brief invoke callbacks based on select.
38 * \sa gr_select_handler
43 friend gr_dispatcher_sptr gr_make_dispatcher();
45 std::vector<gr_select_handler_sptr> d_handler;
51 bool add_handler(gr_select_handler_sptr handler);
52 bool del_handler(gr_select_handler_sptr handler);
53 bool del_handler(gr_select_handler *handler);
56 * \brief Event dispatching loop.
58 * Enter a polling loop that only terminates after all gr_select_handlers
59 * have been removed. \p timeout sets the timeout parameter to the select()
60 * call, measured in seconds.
62 * \param timeout maximum number of seconds to block in select.
64 void loop(double timeout=10);
67 #endif /* INCLUDED_GR_DISPATCHER_H */