Nikos,
Thanks for your reply.
The problems is that host application hangs forever if I don’t delete it and
crashes if I delete it. I’m in a kind of dead end.
Any ideas?
Thanks
Nuno
> On 16 Mar 2016, at 14:07, Nikos Chantziaras <rea...@gmail.com> wrote:
>
> On 16/03/16 14:01, Till Oliver Knoll wrote:
>> I don't think you're supposed to delete qApp
>
> Actually you do need to delete it. Most people don't because after
> qApp->exec() returns, the program ends anyway. But if you want to have 0
> leaks, you need to delete your QApplication instance.
>
> Usually you don't delete qApp directly, but just your instance, but that's
> the same thing, really:
>
> int main(int argc, char** argv)
> {
> QApplication app = new QApplication(/* ... */);
> app->exec();
> delete app;
> // or:
> // delete qApp;
> // which does the same thing.
> }
>
> In normal applications, like the above, deleting it is redundant. You're
> exiting the process, so the environment is going to clean your memory anyway.
> It's still a memory leak, if you're pedantic about it.
>
> If you're using QApplication in a plugin, deleting qApp is actually
> mandatory, otherwise you're leaking the qApp instance when the plugin
> unloads; no one else is going to delete it for you.
>
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