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 */