Re: [Pkg-grass-general] Re: mapserver work
On Sun, Dec 05, 2004 at 02:58:40PM +1300, Hamish wrote:
> > >would you mind explaining the "thread-safe problem" to
> > >the list in more detail? The more of us that
> > >understand it, the more we might be able to work for a
> > >solution.
>
> In general....
>
>
> Here is a short explanation of multi-threading:
> http://everything2.org/index.pl?node_id=483339
> http://en.wikipedia.org/wiki/Thread_safe
>
>
> making things safe for threads generally means you can make the program
> safe to spawn new processes so that things can run more efficiently on
> multi-processor computers e.g. .. it's a coordination problem.
>
>
> I think a similar bug is keeping GRASS's NVIZ from working with Debian's
> Tcl/tk 8.4.
>
Yes, as already explained a few times, Tcl 8.4 is thread-enabled as
required by me at the time of AOLserver packaging. Unfortunately
this seems breaking nviz which probably use some non-reentrant
Tcl function somewhere... I doubt it's a Tcl issue.
--
Francesco P. Lovergine
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