Sets the name of the program. This name should not be localized, in contrast to g_set_application_name().
If you are using
GApplication the program name is set in
g_application_run(). In case of GDK or GTK+ it is set in
gdk_init(), which is called by
gtk_init() and the
GtkApplication::startup handler. The program name is found by
taking the last component of
Since GLib 2.72, this function can be called multiple times and is fully thread safe. Prior to GLib 2.72, this function could only be called once per process.