Fawkes API Fawkes Development Version
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00001 00002 /*************************************************************************** 00003 * example_barrier.cpp - barrier example program 00004 * 00005 * Created: Thu Sep 15 14:48:11 2006 00006 * Copyright 2006-2007 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. 00014 * 00015 * This program is distributed in the hope that it will be useful, 00016 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00018 * GNU Library General Public License for more details. 00019 * 00020 * Read the full text in the LICENSE.GPL file in the doc directory. 00021 */ 00022 00023 // Do not mention in API doc 00024 /// @cond EXAMPLES 00025 00026 #include <core/threading/thread.h> 00027 #include <core/threading/barrier.h> 00028 00029 #include <iostream> 00030 #include <string> 00031 00032 using namespace std; 00033 using namespace fawkes; 00034 00035 class ExampleBarrierThread : public Thread 00036 { 00037 public: 00038 ExampleBarrierThread(string pp, 00039 Barrier *barrier, unsigned int sleep_time) 00040 : Thread("ExampleBarrierThread", Thread::OPMODE_CONTINUOUS) 00041 { 00042 this->pp = pp; 00043 this->barrier = barrier; 00044 this->sleep_time = sleep_time; 00045 } 00046 00047 virtual void loop() 00048 { 00049 usleep( sleep_time ); 00050 cout << pp << ": Waiting for barrier" << endl; 00051 barrier->wait(); 00052 cout << pp << ": Barrier lifted" << endl; 00053 } 00054 00055 private: 00056 Barrier *barrier; 00057 unsigned int sleep_time; 00058 string pp; 00059 00060 }; 00061 00062 00063 int 00064 main(int argc, char **argv) 00065 { 00066 Barrier *b = new Barrier(3); 00067 00068 ExampleBarrierThread *t1 = new ExampleBarrierThread("t1", b, 3424345); 00069 ExampleBarrierThread *t2 = new ExampleBarrierThread("t2", b, 326545); 00070 ExampleBarrierThread *t3 = new ExampleBarrierThread("t3", b, 6458642); 00071 00072 t1->start(); 00073 t2->start(); 00074 t3->start(); 00075 00076 t1->join(); 00077 t2->join(); 00078 t3->join(); 00079 00080 delete t1; 00081 delete t2; 00082 delete t3; 00083 00084 delete b; 00085 } 00086 00087 00088 /// @endcond