Fawkes API  Fawkes Development Version
interruptible_barrier.h
00001 
00002 /***************************************************************************
00003  *  interruptible_barrier.h - Interruptible Barrier
00004  *
00005  *  Created: Sat Jan 31 12:27:54 2009
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 __CORE_THREADING_INTERRUPTIBLE_BARRIER_H_
00025 #define __CORE_THREADING_INTERRUPTIBLE_BARRIER_H_
00026 
00027 #include <core/threading/barrier.h>
00028 #include <core/utils/refptr.h>
00029 
00030 namespace fawkes {
00031 #if 0 /* just to make Emacs auto-indent happy */
00032 }
00033 #endif
00034 
00035 class InterruptibleBarrierData;
00036 class ThreadList;
00037 
00038 class InterruptibleBarrier : public Barrier
00039 {
00040  public:
00041   InterruptibleBarrier(unsigned int count);
00042   InterruptibleBarrier(Mutex *mutex, unsigned int count);
00043   virtual ~InterruptibleBarrier();
00044 
00045   bool wait(unsigned int timeout_sec, unsigned int timeout_nanosec);
00046   virtual inline void wait() { wait(0, 0); }
00047 
00048   void interrupt() throw();
00049   void reset() throw();
00050 
00051   RefPtr<ThreadList>  passed_threads();
00052 
00053  private:
00054   InterruptibleBarrier(const InterruptibleBarrier &b);
00055   InterruptibleBarrier(const InterruptibleBarrier *b);
00056   InterruptibleBarrier &  operator=(const InterruptibleBarrier &b);
00057   InterruptibleBarrier &  operator=(const InterruptibleBarrier *b);
00058 
00059  private:
00060   InterruptibleBarrierData *__data;
00061   RefPtr<ThreadList>        __passed_threads;
00062 
00063   bool __interrupted;
00064   bool __timeout;
00065   bool __wait_at_barrier;
00066 };
00067 
00068 
00069 } // end namespace fawkes
00070 
00071 #endif