[Development] Should QFileSystemWatcher be thread-safe? (Qt 5.8.0)
sergio.martins at kdab.com
Mon Oct 2 12:12:35 CEST 2017
On 2017-09-30 13:54, René J. V. Bertin wrote:
>> Apart from this I'd suspect you will still get the SEGV if you do not
>> - even if the frequency changes. This points to you using some kind of
>> pointer that is not properly controlled (e.g. sending a signal to a
>> that is already deleted).
> I think it was false alarm. I used a lambda expression as slot and must
> misunderstood why the other lambdas in the same function can use '[&]'
> ending up with invalid references in the body. I only need the watcher
> so I'm just passing the reference to it explicitly. No more crashing
> and less
> ambiguous anyway :)
You were probably capturing a local variable by reference inside the
lambda, which then went out of scope.
for how to catch it at compile time.
Sérgio Martins | sergio.martins at kdab.com | Senior Software Engineer
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