On Thu, Mar 5, 2009 at 9:28 AM, Li Yuan <li.y...@sun.com> wrote: > Hi Filippo,
Hi Li, > I reproduced the bug. I think cheese is hanging. From the trace, I found 10 > threads in cheese, but I don't find any accessibility code involved. I am Cheese should spawn at most 3 threads (main, camera setup, thumbnail generation) (well, probably more when generating several thumbnails but it's not a common case and surely not this one). The other ones should come from gstreamer. > not familiar with cheese's code so I don't know why there is a hang. But > note that, when accessibility is enabled, a thread could lost the gdk lock > when it emit a GUI signal, like show a window. > > There is such code in atk-bridge: > > bridge_threads_leave (); > Accessibility_Registry_notifyEvent(...); > bridge_threads_enter (); > > bridge_threads_leave is equal to GDK_THREADS_LEAVE and bridge_threads_enter > is equal to GDK_THREADS_ENTER. > > Maybe this has something to do with the hang. Yes, this seems reasonable, but what should I do to prevent this sort of lock stealing? See also my reply to Michael. Thanks, Filippo _______________________________________________ gnome-accessibility-list mailing list gnome-accessibility-list@gnome.org http://mail.gnome.org/mailman/listinfo/gnome-accessibility-list
