Re: Threads

[Olexiy Avramchenko <olexiy ctech cn ua>]

Russell Shaw wrote:

> Hi,
> In the faq on threads (http://www.gtk.org/faq/#AEN482), there is:
>
> int
> main (int argc, char *argv[])
> {
>   GtkWidget *window;
>
>   /* init threads */   
>   g_thread_init(NULL);
>   gdk_threads_init();
>
>   /* init gtk */
>   gtk_init(&argc, &argv);
>
>   window = create_window();
>   gtk_widget_show(window);
>
>   gdk_threads_enter();
>   gtk_main();
>   gdk_threads_leave();
>
>   return 0;
> }
>
> Because gdk_threads_enter()/leave() surround gtk_main(), then
> wouldn't that mean other threads that use gdk_threads_enter()/leave()
> are always blocked until gtk_main() exits?

Hello,
No, gtk_main unlocks mutex before g_main_loop_run() call and then GDK 
code locks it just before gtk_main_do_event() call. So, mutex is locked 
only when event is processing.

   Olexiy