gr_top_block_impl.h

Go to the documentation of this file.
00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2007 Free Software Foundation, Inc.
00004  * 
00005  * This file is part of GNU Radio
00006  * 
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 3, or (at your option)
00010  * any later version.
00011  * 
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 51 Franklin Street,
00020  * Boston, MA 02110-1301, USA.
00021  */
00022 
00023 #ifndef INCLUDED_GR_TOP_BLOCK_IMPL_H
00024 #define INCLUDED_GR_TOP_BLOCK_IMPL_H
00025 
00026 #include <gr_scheduler_thread.h>
00027 
00036 class gr_top_block_impl
00037 {
00038 public:
00039   gr_top_block_impl(gr_top_block *owner);
00040   ~gr_top_block_impl();
00041 
00042   // Create and start scheduler threads
00043   void start();
00044 
00045   // Signal scheduler threads to stop
00046   void stop();
00047 
00048   // Wait for scheduler threads to exit
00049   void wait();
00050 
00051   // Lock the top block to allow reconfiguration
00052   void lock();
00053 
00054   // Unlock the top block at end of reconfiguration
00055   void unlock();
00056 
00057   // Dump the flowgraph to stdout
00058   void dump();
00059   
00060 private:
00061     
00062   bool                           d_running;
00063   gr_flat_flowgraph_sptr         d_ffg;
00064   gr_scheduler_thread_vector_t   d_threads;
00065   gr_top_block                  *d_owner;
00066   int                            d_lock_count;
00067   omni_mutex                     d_reconf;
00068 
00069   std::vector<gr_basic_block_vector_t> d_graphs;
00070 
00071   void start_threads();
00072 
00073 private:
00074   void restart();
00075 };
00076 
00077 #endif /* INCLUDED_GR_TOP_BLOCK_IMPL_H */

Generated on Thu Mar 5 09:01:12 2009 for GNU Radio 3.1.3 by  doxygen 1.5.8