UPDATE_PENDING
lcu->flags = NEED_UAC_UPDATE | UPDATE_PENDING;
lcu->flags &= ~UPDATE_PENDING;
lcu->flags |= UPDATE_PENDING;
if (!(lcu->flags & UPDATE_PENDING)) {
lcu->flags |= UPDATE_PENDING;
if (lcu->flags & UPDATE_PENDING) {
private->lcu->flags |= UPDATE_PENDING;
lcu->flags & (NEED_UAC_UPDATE | UPDATE_PENDING))
lcu->flags |= NEED_UAC_UPDATE | UPDATE_PENDING;