IS_FLAG_LOADING
index_session->state |= IS_FLAG_LOADING;
index_session->state &= ~IS_FLAG_LOADING;
} else if (session->state & IS_FLAG_LOADING) {
if (session->state & IS_FLAG_LOADING)
load_pending = ((index_session->state & IS_FLAG_LOADING) &&
while (index_session->state & IS_FLAG_LOADING) {
} else if ((state & IS_FLAG_LOADING) ||