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#include <QTimer>
#include <QDebug>
#include <QWaitCondition>
#include <QMutex>
#include <QCoreApplication>
int i=0;
class MyTimer:public QTimer
{
Q_OBJECT;
public:
MyTimer()
{
connect(this, SIGNAL(timeout()),
this, SLOT(timedout()));
start(10000);
setSingleShot(true);
}
public Q_SLOTS:
void timedout()
{
qDebug() << "timed out, wake up everyone";
i=1;
}
};
class MyTimerWaiter:public QTimer
{
Q_OBJECT;
public:
MyTimerWaiter()
{
connect(this, SIGNAL(timeout()),
this, SLOT(timedout()));
start(0);
}
public Q_SLOTS:
void timedout()
{
qDebug() << "timed out, so starting to wait";
while(i == 0) {
qDebug() << "I'm entering processEvents";
QCoreApplication::processEvents(QEventLoop::WaitForMoreEvents);
qDebug() << "I've been exited from processEvents";
usleep(1000000);
}
qDebug() << "I've been awakened";
exit(1);
}
};
int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
// MyTimerWaiter waiter;
MyTimer timer;
while(i == 0) {
qDebug() << "I'm entering processEvents";
QCoreApplication::processEvents(QEventLoop::WaitForMoreEvents);
qDebug() << "I've been exited from processEvents";
}
qDebug() << "NOT starting the main loop";
return 0;
return app.exec();
}
#include "main.moc"
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