GTK+-2.0: no correct exit in multithreaded application

[michael <michael itk1 bas-net by>]

Hello,

my configuration is:
Linux Mandrake 8.1
gtk+-directfb-2.0 (with framebuffer)
console multithreaded application, which calls GTK in some thread (from
subroutine, not main).

GTK starts and runs normally, but after "gtk_main_quit()" I can't see my
console again. It hangs. All I can see is freezed screen with my
graphical interface :(.
( There is no problem, when I run "gtk_main()" from main() module. )

Thank you
Michael Gavrosh