[PyQt] Multithreading, signals, reference counting and crash

[Phil Thompson]

> 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.

Phil