if !iscgo && cgoHasExtraM && extraMLength.Load() > 0 {
		run0 = 1
	}

	run := mcount() - sched.nmidle - sched.nmidlelocked - sched.nmsys
	if run > run0 {
		return
	}
	if run < 0 {
		print("runtime: checkdead: nmidle=", sched.nmidle, " nmidlelocked=", sched.nmidlelocked, " mcount=", mcount(), " nmsys=", sched.nmsys, "\n")
		unlock(&sched.lock)
		throw("checkdead: inconsistent counts")
	}

		qs.seatDemandIntegrator.Set(float64(qs.totSeatsInUse + qs.totSeatsWaiting))
	}
	return false, qs.isIdleLocked()
}

func (qs *queueSet) IsIdle() bool {
	qs.lock.Lock()
	defer qs.lock.Unlock()
	return qs.isIdleLocked()
}

func (qs *queueSet) isIdleLocked() bool {
	return qs.totRequestsWaiting == 0 && qs.totRequestsExecuting == 0
}

	pollUntil atomic.Int64 // time to which current poll is sleeping

	lock mutex

	// When increasing nmidle, nmidlelocked, nmsys, or nmfreed, be
	// sure to call checkdead().

	midle        muintptr // idle m's waiting for work
	nmidle       int32    // number of idle m's waiting for work
	nmidlelocked int32    // number of locked m's waiting for work
	mnext        int64    // number of m's that have been created and next M ID