Fawkes API Fawkes Development Version

thread_manager.h

00001 
00002 /***************************************************************************
00003  *  thread_manager.h - Fawkes thread manager
00004  *
00005  *  Created: Thu Nov  3 19:08:23 2006 (on train to Cologne)
00006  *  Copyright  2006-2009  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. A runtime exception applies to
00014  *  this software (see LICENSE.GPL_WRE file mentioned below for details).
00015  *
00016  *  This program is distributed in the hope that it will be useful,
00017  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  *  GNU Library General Public License for more details.
00020  *
00021  *  Read the full text in the LICENSE.GPL_WRE file in the doc directory.
00022  */
00023 
00024 #ifndef __FAWKES_THREAD_MANAGER_H_
00025 #define __FAWKES_THREAD_MANAGER_H_
00026 
00027 #include <core/threading/thread_list.h>
00028 #include <core/threading/thread_collector.h>
00029 #include <core/exception.h>
00030 #include <aspect/blocked_timing.h>
00031 #include <aspect/blocked_timing/executor.h>
00032 
00033 #include <core/utils/lock_map.h>
00034 #include <list>
00035 
00036 namespace fawkes {
00037   class Mutex;
00038   class WaitCondition;
00039   class ThreadInitializer;
00040   class ThreadFinalizer;
00041 }
00042 
00043 class FawkesThreadManager
00044 : public fawkes::ThreadCollector,
00045   public fawkes::BlockedTimingExecutor
00046 {
00047  public:
00048   FawkesThreadManager();
00049   virtual ~FawkesThreadManager();
00050 
00051   void set_inifin(fawkes::ThreadInitializer *initializer, fawkes::ThreadFinalizer *finalizer);
00052 
00053   virtual void add(fawkes::ThreadList &tl)
00054   {
00055     add_maybelocked(tl, /* lock */ true);
00056   }
00057 
00058   virtual void add(fawkes::Thread *t)
00059   {
00060     add_maybelocked(t, /* lock */ true);
00061   }
00062 
00063   virtual void remove(fawkes::ThreadList &tl)
00064   {
00065     remove_maybelocked(tl, /* lock */ true);
00066   }
00067 
00068   virtual void remove(fawkes::Thread *t)
00069   {
00070     remove_maybelocked(t, /* lock */ true);
00071   }
00072 
00073   virtual void force_remove(fawkes::ThreadList &tl);
00074   virtual void force_remove(fawkes::Thread *t);
00075 
00076   virtual void wakeup_and_wait(fawkes::BlockedTimingAspect::WakeupHook hook,
00077                                unsigned int timeout_usec = 0);
00078   virtual void wakeup(fawkes::BlockedTimingAspect::WakeupHook hook,
00079                       fawkes::Barrier *barrier = 0);
00080   virtual void try_recover(std::list<std::string> &recovered_threads);
00081 
00082   virtual bool timed_threads_exist();
00083   virtual void wait_for_timed_threads();
00084   virtual void interrupt_timed_thread_wait();
00085 
00086   fawkes::ThreadCollector *  aspect_collector() const;
00087 
00088  private:
00089   void internal_add_thread(fawkes::Thread *t);
00090   void internal_remove_thread(fawkes::Thread *t);
00091   void add_maybelocked(fawkes::ThreadList &tl, bool lock);
00092   void add_maybelocked(fawkes::Thread *t, bool lock);
00093   void remove_maybelocked(fawkes::ThreadList &tl, bool lock);
00094   void remove_maybelocked(fawkes::Thread *t, bool lock);
00095 
00096   class FawkesThreadManagerAspectCollector : public fawkes::ThreadCollector
00097   {
00098    public:
00099     FawkesThreadManagerAspectCollector(FawkesThreadManager *parent_manager);
00100 
00101     virtual void add(fawkes::ThreadList &tl);
00102     virtual void add(fawkes::Thread *t);
00103 
00104     virtual void remove(fawkes::ThreadList &tl);
00105     virtual void remove(fawkes::Thread *t);
00106 
00107     virtual void force_remove(fawkes::ThreadList &tl);
00108     virtual void force_remove(fawkes::Thread *t);
00109 
00110    private:
00111     FawkesThreadManager *__parent_manager;
00112   };
00113 
00114  private:
00115   fawkes::ThreadInitializer *initializer;
00116   fawkes::ThreadFinalizer   *finalizer;
00117 
00118   fawkes::LockMap< fawkes::BlockedTimingAspect::WakeupHook, fawkes::ThreadList > threads;
00119   fawkes::LockMap< fawkes::BlockedTimingAspect::WakeupHook, fawkes::ThreadList >::iterator tit;
00120 
00121   fawkes::ThreadList untimed_threads;
00122   fawkes::WaitCondition *waitcond_timedthreads;
00123 
00124   FawkesThreadManagerAspectCollector *__aspect_collector;
00125   bool __interrupt_timed_thread_wait;
00126 
00127 };
00128 
00129 #endif
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