[Qt-interest] unix SIGUSR1 signal on QT

[Dmitry Erlih]

There is another way to do so: create a local tcp server in separate thread. When signal handler called, you can write something to that server. Then you can invoke your slots asynchronously.

It gives you a guarantee that all your slots will be called from server's thread asynchronously.


10.02.2011, в 19:03, Thiago Macieira написал(а):

> Em quinta-feira, 10 de fevereiro de 2011, às 10:56:00, Dmitry Erlih escreveu:
>> I think you can call slot QTimer::singleshot(0, SLOT(yourslot())) or
>> QMetaObject::invokeMethod with Qt::QueuedConnection from unix signal
>> handler.
>
> That's a bad idea.
>
> Do not call any Qt function from a Unix signal handler.
> --
> Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
>  Senior Product Manager - Nokia, Qt Development Frameworks
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