does main thread has sleep() ?

[ars]

Sorry but can I use threadsleeper::msleep(m_sleep); to sleep main thread ?

You can use it to sleep any thread. More precisely, it sleeps the thread that calls this method. And as the main thread is a thread as any other thread, why shouldn't it be sent to sleep by calling this method? If you don't believe, just try this little code snippet:

#include <QCoreApplication>
#include <QThread>
#include <iostream>
#include <QTime>
 
class ThreadSleeper:public QThread
    {
    private:
        ThreadSleeper(){};
        virtual ~ThreadSleeper(){};
 
    public:
        using QThread::msleep;
    };
 
 
int main(int , char *[])
{
    std::cout << "sleeping for 5s" << std::endl;
    QTime t;
    t.start();
    ThreadSleeper::msleep(5000);
    std::cout << "slept for " << t.elapsed() << "ms" << std::endl;
}

#include <QCoreApplication>
#include <QThread>
#include <iostream>
#include <QTime>

class ThreadSleeper:public QThread
    {
    private:
        ThreadSleeper(){};
        virtual ~ThreadSleeper(){};

    public:
        using QThread::msleep;
    };


int main(int , char *[])
{
    std::cout << "sleeping for 5s" << std::endl;
    QTime t;
    t.start();
    ThreadSleeper::msleep(5000);
    std::cout << "slept for " << t.elapsed() << "ms" << std::endl;
}

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Best regards
ars

@Prasad_N: I didn't see your previous reply before posting the above.