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/*
* Copyright (C) 2013-2015, 2019 by the Konclude Developer Team.
*
* This file is part of the reasoning system Konclude.
* For details and support, see <http://konclude.com/>.
*
* Konclude is free software: you can redistribute it and/or modify
* it under the terms of version 3 of the GNU Lesser General Public
* License (LGPLv3) as published by the Free Software Foundation.
*
* Konclude is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU (Lesser) General Public License for more details.
*
* You should have received a copy of the GNU (Lesser) General Public
* License along with Konclude. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef KONCLUDE_CONCURRENT_CTHREAD_H
#define KONCLUDE_CONCURRENT_CTHREAD_H
#include <QThread>
#include <QSemaphore>
#include <QTime>
#include <QCoreApplication>
#include "CWatchDog.h"
#include "ConcurrentSettings.h"
#include "Events/CCustomEvent.h"
#include "Events/CControlEvent.h"
#include "Events/CWaitSynchronizationEvent.h"
namespace Konclude {
namespace Concurrent {
using namespace Events;
//#define THREADTIMEMEASURE
#ifdef DEBUG_THREADS
#define SETTASKDESCRIPTION(a) setTaskDescription(a)
#else
#define SETTASKDESCRIPTION(a)
#endif
#ifdef THREADTIMEMEASURE
#define TIMEMEASUREMENTBEGINWAITING() prepareWaiting()
#define TIMEMEASUREMENTENDWAITING() concludeWaiting()
#define TIMEMEASUREMENTBEGINEXECUTION() prepareExecution()
#define TIMEMEASUREMENTENDEXECUTION() concludeExecution()
#define TIMEMEASUREMENTBEGINBLOCKING() prepareBlocking()
#define TIMEMEASUREMENTENDBLOCKING() concludeBlocking()
#else
#define TIMEMEASUREMENTBEGINWAITING()
#define TIMEMEASUREMENTENDWAITING()
#define TIMEMEASUREMENTBEGINEXECUTION()
#define TIMEMEASUREMENTENDEXECUTION()
#define TIMEMEASUREMENTBEGINBLOCKING()
#define TIMEMEASUREMENTENDBLOCKING()
#endif
class CWatchDog;
/*!
* \class CThread
* \author Andreas Steigmiller
* \version 0.1
* \brief
*/
class CThread : public QThread {
// public methods
public:
//! Constructor
CThread(QString threadIdentifierName, CWatchDog *watchDogThread = 0);
//! Destructor
virtual ~CThread();
void startThread(Priority priority = InheritPriority);
void stopThread(bool waitStopped = true);
void waitSynchronization();
QString getThreadName();
QString getLastTaskDescription();
QString getTaskDescription();
qint64 getWaitTimeSecs();
qint64 getRunTimeSecs();
qint64 getBlockTimeSecs();
qint64 getThreadID();
//! Terminates and restarts the thread. NOTE: because of semaphores, mutex, ... this function is very critical
void restartThread();
void postEvent(QEvent *event, int priority = Qt::NormalEventPriority);
bool isThreadRunning();
// protected methods
protected:
virtual void run();
virtual bool event(QEvent *event);
virtual void prepareBlocking();
virtual void concludeBlocking();
virtual void prepareExecution();
virtual void concludeExecution();
virtual void prepareWaiting();
virtual void concludeWaiting();
virtual void threadStarted();
virtual void threadStopped();
virtual bool processEvents(QEvent *event);
virtual bool processControlEvents(QEvent::Type type, CControlEvent *event);
virtual bool processCustomsEvents(QEvent::Type type, CCustomEvent *event);
void setTaskDescription(QString description);
bool isThreadProcessingEvents();
// protected methods
protected:
bool mActiveEventProcessing;
// private methods
private:
// private variables
private:
QString threadName;
QString taskDescription;
QString lastTaskDescription;
qint64 threadID;
bool threadRuns;
// workload measurement
qint64 waitTimeSecs;
qint64 runTimeSecs;
qint64 blockTimeSecs;
QTime runTimer;
QTime waitTimer;
QTime blockTimer;
static qint64 nextThreadID;
static QSemaphore *syncThreadID;
CWatchDog *mWatchDog;
};
}; // end namespace Concurrent
}; // end namespace Konclude
#endif // KONCLUDE_CONCURRENT_CTHREAD_H
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