[Fwd: callback and thread]

["DINH V. Hoà" <dinh enserb fr>]

"DINH V. Hoà" wrote:
> 
> 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.

-- 
Hoa