00001
00002 /***************************************************************************
00003  *  barrier.h - Barrier
00004  *
00005  *  Created: Thu Sep 15 00:31:50 2006
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_BARRIER_H_
00025 #define __CORE_THREADING_BARRIER_H_
00026 
00027 namespace fawkes {
00028
00029
00030 class BarrierData;
00031
00032 class Barrier
00033 {
00034  public:
00035   Barrier(unsigned int count);
00036   virtual ~Barrier();
00037
00038   virtual void wait();
00039
00040   unsigned int count();
00041
00042  private:
00043   BarrierData *barrier_data;
00044
00045  protected:
00046   Barrier();
00047   /** Number of threads that are expected to wait for the barrier */
00048   unsigned int _count;
00049 };
00050
00051
00052 } // end namespace fawkes
00053
00054 #endif