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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 2, 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., 59 Temple Place - Suite 330,
00020  * Boston, MA 02111-1307, USA.
00021  */
00022 
00023 #ifndef INCLUDED_GR_SINGLE_THREADED_SCHEDULER_H
00024 #define INCLUDED_GR_SINGLE_THREADED_SCHEDULER_H
00025 
00026 #include <gr_runtime.h>
00027 #include <fstream>
00028 
00029 class gr_single_threaded_scheduler;
00030 typedef boost::shared_ptr<gr_single_threaded_scheduler> gr_single_threaded_scheduler_sptr;
00031 
00032 
00038 class gr_single_threaded_scheduler {
00039  public:
00040   ~gr_single_threaded_scheduler ();
00041 
00042   void run ();
00043   void stop () { d_enabled = false; }
00044 
00045  private:
00046   const std::vector<gr_block_sptr>      d_blocks;
00047   volatile bool                         d_enabled;
00048   std::ofstream                        *d_log;
00049 
00050   gr_single_threaded_scheduler (const std::vector<gr_block_sptr> &blocks);
00051 
00052   void main_loop ();
00053   
00054   friend gr_single_threaded_scheduler_sptr
00055   gr_make_single_threaded_scheduler (const std::vector<gr_block_sptr> &blocks);
00056 };
00057 
00058 gr_single_threaded_scheduler_sptr
00059 gr_make_single_threaded_scheduler (const std::vector<gr_block_sptr> &blocks);
00060 
00061 #endif /* INCLUDED_GR_SINGLE_THREADED_SCHEDULER_H */

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