[Interest] how can I call qRegisterMetaType?

[Thiago Macieira]

On segunda-feira, 16 de maio de 2016 13:28:09 PDT Nye wrote:
> > Should I just do it from the constructor?
> 
> That would be what I usually do. Still there's overhead of repeatedly
> registering the same type, so if you have a better place on hand (a root
> object/entry point of your application/library) that'd be better.

The overhead is almost null because the inline parts of qRegisterMetaType 
function check whether it's already registered before calling the non-inline 
parts.

PS: DO NOT use the qRegisterMetaType overload with 1 argument. Use the one 
with zero.

> > Would I need to worry about thread safety then, if my class was created in
> > a bunch of threads at the same time while this is going on?
> 
> qRegisterMetaType is thread-safe.
> 
> Kind regards,
> Konstantin.


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