QINSERVICE
{ SF(QINSERVICE), "service routine executing" },
while (qp->q_flag & (QINSERVICE|QENAB))
while (wqp->q_flag & (QINSERVICE|QENAB))
q->q_flag &= ~QINSERVICE;
ASSERT(!(q->q_flag & QINSERVICE)); \
if (q->q_flag & QINSERVICE)
ASSERT(!(q->q_flag & QINSERVICE));
q->q_flag |= QINSERVICE;