[Interest] Fwd: Lambda based connections are not disconnected upon QObject deletion

Thiago Macieira thiago.macieira at intel.com
Tue Sep 3 18:39:21 CEST 2013


On terça-feira, 3 de setembro de 2013 09:58:28, Philipp Kursawe wrote:
> Using this code:
> 
> @
> obj->connect(sender, &Sender::signal, [] {
> });
> 
> // later
> obj->deleteLater();
> @
> 
> The object will be deleted, but the connection will not be broken, and
> the sender can still signal, the lambda will be called, but of course
> it will crash. Is this a known limitation of using lambdas?

Huh? how can you send a signal after the sender is deleted?

deleteLater() does not mean delete *now*.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center
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