Re: [Fwd: callback and thread]

[Sebastian Wilhelmi <wilhelmi ira uka de>]

Hi Hoà,

firstly I think this is a message for gtk-list gnome org, so I'm bringing it
there.

> > I would like to know why I can't call a thread that modify a gtkwidget
> > in an callback function.
> >
> > It hangs up as gdk_threads_enter is used.
> >
> > Here the problem :
> >
> > // main function :
> >
> > gdk_threads_enter()
> > gtk_main()
> > gdk_threads_leave()
> >
> > // callback :
> >
> > phread_create(... thread_function ...)
> >
> > // thread_function :
> >
> > gdk_threads_enter()
> > // modify a widget
> > gdk_threads_leave()
> >
> > When the program runs :
> >
> > The call of gdk_thread_enter in the thread function hangs.
> >
> > I think that the problem comes from the fact that 2 calls of
> > gdk_threads_enter
> > are likely to be nested ... but it is in a different thread. I would
> > like to
> > understand what is the exact problem and if a solution exists.

Actually this should work, AFAICT. Please post a example, demonstrating this
behaviour (This sould be a stripped down example though) and I will have a
look.

Bye,
Sebastian
-- 
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