aqt_vision_threads.h

00001 
00002 /***************************************************************************
00003  *  aqt_vision_threads.h - FireVision Base Vision Camera Data
00004  *
00005  *  Created: Mon Sep 24 16:16:05 2007
00006  *  Copyright  2006-2007  Tim Niemueller [www.niemueller.de]
00007  *
00008  ****************************************************************************/
00009 
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version.
00014  *
00015  *  This program is distributed in the hope that it will be useful,
00016  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018  *  GNU Library General Public License for more details.
00019  *
00020  *  Read the full text in the LICENSE.GPL file in the doc directory.
00021  */
00022 
00023 #ifndef __FIREVISION_APPS_BASE_AQT_VISION_THREADS_H_
00024 #define __FIREVISION_APPS_BASE_AQT_VISION_THREADS_H_
00025 
00026 #include <core/threading/thread_list.h>
00027 
00028 namespace fawkes {
00029   class Clock;
00030   class Time;
00031   class Barrier;
00032 }
00033 
00034 class FvAqtVisionThreads
00035 {
00036  friend class FvBaseThread;
00037  friend class FvAquisitionThread;
00038  public:
00039   FvAqtVisionThreads(fawkes::Clock *clock);
00040   ~FvAqtVisionThreads();
00041 
00042   void add_waiting_thread(fawkes::Thread *thread);
00043   void remove_thread(fawkes::Thread *thread);
00044   void remove_waiting_thread(fawkes::Thread *thread);
00045   void set_thread_running(fawkes::Thread *thread);
00046 
00047   bool  empty();
00048   float empty_time();
00049 
00050   bool  has_cyclic_thread();
00051 
00052   void  wakeup_and_wait_cyclic_threads();
00053 
00054   void  set_prepfin_hold(bool hold);
00055 
00056   bool  has_waiting_thread(fawkes::Thread *t);
00057 
00058  private:
00059   fawkes::ThreadList  *running_threads_cyclic;
00060   fawkes::ThreadList  *running_threads_cont;
00061   fawkes::ThreadList  *waiting_threads;
00062 
00063   fawkes::Barrier     *cyclic_barrier;
00064 
00065   fawkes::Clock *clock;
00066   fawkes::Time  *_empty_time;
00067 };
00068 
00069 #endif

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