Foundations of Qt Development\Chapter12\inorderthreads\main.cpp
/*
* Copyright (c) 2006-2007, Johan Thelin
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of APress nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
#include <QApplication>
#include <QThread>
#include <QMutex>
#include <QMessageBox>
#include <QtDebug>
class TextThread : public QThread
{
public:
TextThread( QString text );
void run();
private:
QString m_text;
};
bool stopThreads = false;
TextThread::TextThread( QString text ) : QThread()
{
m_text = text;
}
QMutex mutex;
void TextThread::run()
{
while( !stopThreads )
{
mutex.lock();
if( stopThreads )
return;
qDebug() << m_text;
sleep( 1 );
mutex.unlock();
}
}
int main( int argc, char **argv )
{
QApplication app( argc, argv );
TextThread foo( "Foo" ), bar( "Bar" );
foo.start();
bar.start();
QMessageBox::information( 0, "Threading", "Close me to stop!" );
stopThreads = true;
foo.wait();
bar.wait();
return 0;
}
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