unregister_update_monitor (const char *obj_path)
{
  G_LOCK (update_monitors);
  g_hash_table_remove (update_monitors, obj_path);
  G_UNLOCK (update_monitors);
}
unregister_update_monitor (const char *obj_path)
{
  G_LOCK (update_monitors);
  g_hash_table_remove (update_monitors, obj_path);
  G_UNLOCK (update_monitors);
}