1 /* -*- c++ -*- */
2 /*
3  * Copyright 2009,2013 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
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 3, or (at your option)
10  * any later version.
11  *
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.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, write to the Free Software Foundation, Inc.,
19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20  */
21 
22 #ifndef INCLUDED_MSG_ACCEPTER_H
23 #define INCLUDED_MSG_ACCEPTER_H
24 
25 #include <gnuradio/api.h>
26 #include <pmt/pmt.h>
27 #include <boost/shared_ptr.hpp>
28 
29 namespace gr {
30 namespace messages {
31 
32 /*!
33  * \brief Virtual base class that accepts messages
34  */
35 class GR_RUNTIME_API msg_accepter
36 {
37 public:
msg_accepter()38     msg_accepter(){};
39     virtual ~msg_accepter();
40 
41     /*!
42      * \brief send \p msg to \p msg_accepter on port \p which_port
43      *
44      * Sending a message is an asynchronous operation.  The \p post
45      * call will not wait for the message either to arrive at the
46      * destination or to be received.
47      */
48     virtual void post(pmt::pmt_t which_port, pmt::pmt_t msg) = 0;
49 };
50 
51 typedef boost::shared_ptr<msg_accepter> msg_accepter_sptr;
52 
53 } /* namespace messages */
54 } /* namespace gr */
55 
56 #endif /* INCLUDED_MSG_ACCEPTER_H */
57