PCMThread_impl.h
Go to the documentation of this file.00001 00002 // 00003 // This source file is a part of ParCompMark 00004 // Parallel Compositing Benchmark Framework 00005 // 00006 // for latest info see http://parcompmark.sourceforge.net 00007 00008 // 00009 // Copyright (C) 2006 IT2 ParCompMark Dev. Team 00010 // 00011 // This program is free software; you can redistribute it and/or 00012 // modify it under the terms of the GNU General Public License 00013 // as published by the Free Software Foundation; either version 2 00014 // of the License, or (at your option) any later version. 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 General Public License for more details. 00020 // 00021 // You should have received a copy of the GNU General Public License 00022 // along with this program; if not, write to the Free Software 00023 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00024 00027 00028 // 00029 // Getters & setters 00030 // 00031 00032 inline const std::string & Thread::getThreadName() const 00033 { 00034 return mThreadName; 00035 } 00036 00037 /*-------------------------------------------------------------------------*/ 00038 00039 inline const Thread::BoolPointer & Thread::getWait() const 00040 { 00041 return mWait; 00042 } 00043 00044 /*-------------------------------------------------------------------------*/ 00045 00046 inline const bool & Thread::getStopRequested() const 00047 { 00048 return mStopRequested; 00049 } 00050 00051 /*-------------------------------------------------------------------------*/ 00052 00053 inline const bool & Thread::getJoinable() const 00054 { 00055 return mJoinable; 00056 } 00057 00058 /*-------------------------------------------------------------------------*/ 00059 00060 inline const bool & Thread::getWaitThread() const 00061 { 00062 return mWaitThread; 00063 } 00064 00065 /*-------------------------------------------------------------------------*/ 00066 00067 inline const bool & Thread::getRunning() const 00068 { 00069 return mRunning; 00070 } 00071 00072 /*-------------------------------------------------------------------------*/ 00073 00074 inline const u32 & Thread::getCurrentFPS() const 00075 { 00076 return mCurrentFPS; 00077 } 00078 00079 /*-------------------------------------------------------------------------*/ 00080 00081 inline const u32 & Thread::getExpectedFPS() const 00082 { 00083 return mExpectedFPS; 00084 } 00085 00086 /*-------------------------------------------------------------------------*/ 00087 00088 inline const u32 & Thread::getIterationNumber() const 00089 { 00090 return mIterationNumber; 00091 } 00092 00093 /*-------------------------------------------------------------------------*/ 00094 00095 // 00096 // Class methods 00097 // 00098 00099 inline void Thread::yield() 00100 { 00101 sched_yield(); 00102 } 00103 00104 /*----------------------------------------------------------------------*/ 00105 00106 inline Real Thread::getUSTime() 00107 { 00108 struct timeval tv; 00109 struct timezone tz; 00110 00111 gettimeofday(&tv, &tz); 00112 return tv.tv_sec * 1000.0 * 1000.0 + tv.tv_usec; 00113 } 00114 00115 /*----------------------------------------------------------------------*/ 00116 00117 // 00118 // Methods 00119 // 00120 00121 inline bool Thread::iteration() 00122 { 00123 double usStart, 00124 usEnd; 00125 00126 usStart = Thread::getUSTime(); 00127 //usleep(sleepTime); 00128 00129 // Execute task 00130 task(); 00131 00132 // Calculate fps 00133 usEnd = Thread::getUSTime(); 00134 mCurrentFPS = (u32) (1000.0 * 1000.0 / (usEnd - usStart)); 00135 00136 //differenceFPS = mExpectedFPS - mCurrentFPS; 00137 00145 // Yield the thread 00146 yield(); 00147 00148 // Test stop flag 00149 if(mStopRequested) 00150 { 00151 mStopRequested = false; 00152 return true; 00153 } 00154 00155 return false; 00156 } 00157 00158 /*----------------------------------------------------------------------*/