QTCP Socket Server and threads

[wysota]

The problem of this solution without thread is if the main thread gets block because of re-sizing, moving the GUI or anything else that blocks the main thread, everything else will stop.

The actions you mention do not block the thread.

And i need to know if a value from the one being reading from the serial port changes and its in a critical range to do an action according to this...

In that case using sockets is a bad idea at all. So is using a non-RT operating system. It can always happen that your application gets frozen by the operating system for a number of miliseconds. Threads will not help in any way here. Time critical conditions need real time operating systems. So it's either getting a real-time operating system or accepting that at times things can temporarily go out of control.

[cafu1007]

HI There, as i was recommended i am not using thread any where. Everything is running in a single thread (The main). but during debugging i see that at least 6 thread are created.

is the any Qt class that creates new thread silently?

[wysota]

is the any Qt class that creates new thread silently?

Yes, QFileSystemModel.

[ChrisW67]

Also QNetworkAccessManager for HTTP requests: http://blog.qt.digia.com/2011/04/29/...accessmanager/

[cafu1007]

HI There,

I was told that press down click event on the gui wil not stop the event loop.
I monitor what is send and received in the serial port. When i hold down the mouse over the title bar for moving the Windows, there is not receiving information (i would say not read) from the serial port, i used Qextserialport class for serial communication. is this a Qt problem, Qextserialport or simply a block on the event loop?

Thanks

[wysota]

This is somehow related to Windows display system. Qt has no influence on it since the title bar is not part of your application.

[cafu1007]

So how could i get around this. if i am not using threads. this is unwanted situation since everything should remain responding and communication should remain.

[wysota]

So how could i get around this. if i am not using threads. this is unwanted situation since everything should remain responding and communication should remain.

I think you should not ask these questions in a thread called "QTcp Socket Server and threads" since this has nothing to do with sockets.