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