+static void
+func (gpointer key, gpointer value, gpointer data)
+{
+ gboolean rv;
+ PsppireWindow *window = PSPPIRE_WINDOW (value);
+
+ g_signal_emit_by_name (window, "delete-event", 0, &rv);
+}
+
+void
+psppire_quit (void)
+{
+ PsppireWindowRegister *reg = psppire_window_register_new ();
+ psppire_window_register_foreach (reg, func, NULL);
+
+ gtk_main_quit ();
+}
+