gdk:threads-init ()

Initializes GDK so that it can be used from multiple threads in conjunction with the gdk:threads-enter and gdk:threads-leave functions. This call must be made before any use of the main loop from GTK. To be safe, call it before the gtk_init() function. The gdk:threads-init function has been deprecated since version 3.6 and should not be used in newly written code. All GDK and GTK calls should be made from the main thread.