00001 /*************************************************************************** 00002 * Copyright (C) 2004 by Gav Wood * 00003 * gav@kde.org * 00004 * * 00005 * This program is free software; you can redistribute it and/or modify * 00006 * it under the terms of the GNU General Public License as published by * 00007 * the Free Software Foundation; either version 2 of the License, or * 00008 * (at your option) any later version. * 00009 * * 00010 * This program is distributed in the hope that it will be useful, * 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00013 * GNU General Public License for more details. * 00014 * * 00015 * You should have received a copy of the GNU General Public License * 00016 * along with this program; if not, write to the * 00017 * Free Software Foundation, Inc., * 00018 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * 00019 ***************************************************************************/ 00020 00021 #ifndef _QT_FASTWAITCONDITION_H 00022 #define _QT_FASTWAITCONDITION_H 00023 00024 #define HAVE_LINUX 00025 00026 #ifdef HAVE_LINUX 00027 00028 #include <qmutex.h> 00029 00030 #include <sched.h> 00031 00032 class QFastWaitCondition 00033 { 00034 public: 00035 bool wait(unsigned long = ULONG_MAX) { sched_yield(); return true; } 00036 bool wait(QMutex * mutex, unsigned long = ULONG_MAX) { mutex->unlock(); sched_yield(); mutex->lock(); return true; } 00037 void wakeOne() {} 00038 void wakeAll() {} 00039 }; 00040 00041 #else 00042 00043 #include <qwaitcondition.h> 00044 00045 typedef QWaitCondition QFastWaitCondition; 00046 00047 #endif 00048 00049 #endif