GNU Radio 3.5.1 C++ API
gr_single_threaded_scheduler.h
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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2004 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_SINGLE_THREADED_SCHEDULER_H
00024 #define INCLUDED_GR_SINGLE_THREADED_SCHEDULER_H
00025 
00026 #include <gr_core_api.h>
00027 #include <gr_runtime_types.h>
00028 #include <fstream>
00029 
00030 class gr_single_threaded_scheduler;
00031 typedef boost::shared_ptr<gr_single_threaded_scheduler> gr_single_threaded_scheduler_sptr;
00032 
00033 
00034 /*!
00035  * \brief Simple scheduler for stream computations.
00036  * \ingroup internal
00037  */
00038 
00039 class GR_CORE_API gr_single_threaded_scheduler {
00040  public:
00041   ~gr_single_threaded_scheduler ();
00042 
00043   void run ();
00044   void stop ();
00045 
00046  private:
00047   const std::vector<gr_block_sptr>      d_blocks;
00048   volatile bool                         d_enabled;
00049   std::ofstream                        *d_log;
00050 
00051   gr_single_threaded_scheduler (const std::vector<gr_block_sptr> &blocks);
00052 
00053   void main_loop ();
00054   
00055   friend GR_CORE_API gr_single_threaded_scheduler_sptr
00056   gr_make_single_threaded_scheduler (const std::vector<gr_block_sptr> &blocks);
00057 };
00058 
00059 GR_CORE_API gr_single_threaded_scheduler_sptr
00060 gr_make_single_threaded_scheduler (const std::vector<gr_block_sptr> &blocks);
00061 
00062 #endif /* INCLUDED_GR_SINGLE_THREADED_SCHEDULER_H */