TP_WAIT
if (tpool->tp_flags & TP_WAIT)
if (tpool->tp_flags & TP_WAIT)
tpool->tp_flags |= TP_WAIT;
tpool->tp_flags |= TP_WAIT;
tpool->tp_flags &= ~TP_WAIT;
tpool->tp_flags &= ~TP_WAIT;