[ROOT] Problem with repeat emails

From: Colley, Tony (Tony.Colley@itt.com)
Date: Tue Jan 08 2002 - 21:42:59 MET


Hello folks,

I have received several copies today of emails I sent to RootTalk last week,
yet they appear to be dated today. I also received several copies of one of
Valeri Fine's responses to my original email.

Whether the problem lies within ITT (my employer) or ROOT is unknown to me.
Since I haven't noticed reruns of any else's emails, I assume the fault is
within ITT's email servers.

I sent ONLY two NEW emails today stating that I have resolved (via
workaround) problems with multithreaded usage of ROOT in a Qt application.

Sorry for all the extra emails. I hope you only get one copy of this email
:)

Thanks,
Tony Colley


-----Original Message-----
From: Valeri Fine [mailto:fine@bnl.gov]
Sent: Tuesday, January 08, 2002 12:44
To: roottalk@pcroot.cern.ch
Subject: Fw: [ROOT] ROOT/QtROOT within a multithreaded Qt application



Hello folks,

It  looks like New Year presents still coming :-)
I had replied this message 1 week ago (see below).

The bottom line of that conversation:

The reason of the problem is not ROOT itself rather the call 
to X11 system emitted from two different threads. (One from ROOT, 
another one from Qt). I hope your X11 system itself had been compiled 
with multithread option on. 

This problem might have been solved more less :-) transparent way if ROOT 
TVirtualX class would provide Qt implementation rather the direct X1.
Otherwise it is end-user responsibility (see Go4 comment) to adjust 
things properly.

  Best regards, Valeri


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