[Development] Disabling exception support in QtCore?

Thiago Macieira thiago.macieira at intel.com
Thu Oct 10 17:58:37 CEST 2013

On quinta-feira, 10 de outubro de 2013 14:53:50, Olivier Goffart wrote:
> The only places where exceptions are allowed are:
>  - Exceptions thrown by a slot are propagated to the signal connected with 
> direct connection
>  - Exceptions propagated through a call to invokeMethod are propagated from 
> the method to the call
>  - Exceptions thrown from QtConcurrent will be by re thrown when
> calling  the  QFuture API if the exception is a subclass of QException

Just adding one more thing:
 - despite the fact that the signal-slot mechanism propagates exceptions, 
*all* Qt signal emitters are noexcept, so throwing from a slot when called by 
a signal emitter inside Qt is undefined behaviour.

Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 190 bytes
Desc: This is a digitally signed message part.
URL: <http://lists.qt-project.org/pipermail/development/attachments/20131010/60f038b2/attachment.sig>

More information about the Development mailing list