[PyQt] Multithreading, signals, reference counting and crash

[Ilya Kulakov]

Phil,

How does Qt's automatic unsubscribing in QObject's destructor works then?

Best Regards
Ilya Kulakov

> On 12 февр. 2016 г., at 0:30, Phil Thompson <phil at riverbankcomputing.com> wrote:
> 
> 
>> 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