Hello, Marc.
>
> I don't talk about creating an object from within a thread. I only talk
> about having a globally instantiated canvas and accessing this canvas then
> from within 2 threads. This is an easy to imagine task which occurs in
> several DAQ's.
I'd realized I was reading your message quite carefully and didn't pay
attention your problem came from Xlib / Linux rather from the ROOT
itself. So you may disregard my "ROOT" comments for a while.
We are discussing with Victor your results. My impression Victor did check
things with TCanvas / TH1 objects . May be he will have time to reply himself.
Valery
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