[PyQt] Multithreading, signals, reference counting and crash

Phil Thompson phil at riverbankcomputing.com
Thu Feb 11 18:30:36 GMT 2016

> On 11 Feb 2016, at 6:16 pm, Ilya Kulakov <kulakov.ilya at gmail.com> wrote:
> Phil,
> I said I don't know all the details :)
> PyQt "controls" both signals and slots. Doesn't it know how many receivers are there before it sends?

The short answer to the question is no. Also, with queued connections, a signal may be sitting in an unprocessed event queue for an indeterminate amount of time. In network terms, signals are UDP, not TCP.


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