Spliting data aquisition/visualisation into threads

[robodude]

Great

Thank you once more. Your answers were very helpful.

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Added after 7 minutes:

I would suggest to use a circular buffer protected by two semaphores to avoid overflow and underflow. This usually works very well for quick concurrent access. Of course if you can afford to be put on hold to prevent overload (if you can't a list won't help as sooner or later you'll run out of memory).

I do it in exactly same way in comunication between Serial and DataProcessor threads. I thought that it is not correct way in synchronization with the main thread.

[wysota]

I have no idea what you do so it is not possible for me to determine if what you are doing is right or not. A circular buffer protected by two semaphores is a classic non-blocking solution for a producer-consumer problem. I'm assuming it is not what you are doing if you're asking your question (about signals and slots) here.