3 * Copyright 2007,2008 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 3, or (at your option)
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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_TOP_BLOCK_IMPL_H
24 #define INCLUDED_GR_TOP_BLOCK_IMPL_H
26 #include <gr_scheduler_thread.h>
29 *\brief Abstract implementation details of gr_top_block
32 * The actual implementation of gr_top_block. Separate class allows
33 * decoupling of changes from dependent classes.
36 class gr_top_block_impl
39 gr_top_block_impl(gr_top_block *owner);
40 virtual ~gr_top_block_impl();
42 // Create and start scheduler threads
45 // Signal scheduler threads to stop
46 virtual void stop() = 0;
48 // Wait for scheduler threads to exit
49 virtual void wait() = 0;
51 // Lock the top block to allow reconfiguration
54 // Unlock the top block at end of reconfiguration
55 virtual void unlock();
57 // Dump the flowgraph to stdout
60 // Return true if flowgraph is running
61 bool is_running() const { return d_running; }
65 gr_top_block *d_owner;
67 gr_flat_flowgraph_sptr d_ffg;
69 omni_mutex d_reconf; // protects d_lock_count
72 virtual void start_threads() = 0;
73 virtual void restart();
76 * Make a vector of gr_block from a vector of gr_basic_block
78 * Pass-by-value to avoid problem with possible asynchronous modification
80 static gr_block_vector_t make_gr_block_vector(gr_basic_block_vector_t blocks);
84 #endif /* INCLUDED_GR_TOP_BLOCK_IMPL_H */