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   InterruptibleBarrierData *__data;
00055   RefPtr<ThreadList>        __passed_threads;
00056 
00057   bool __interrupted;
00058   bool __timeout;
00059 };
00060 
00061 
00062 } // end namespace fawkes
00063 
00064 #endif

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