expect:
        !taskLease.is(projectLock)
        !lockIsHeld(taskLease)
        !lockIsHeld(projectLock)
        workerLeaseService.withLocks([taskLease]) {
            assert lockIsHeld(taskLease)
            assert lockIsHeld(projectLock)
        }
        !lockIsHeld(taskLease)
        !lockIsHeld(projectLock)
    }

        coordinationService.withStateLock(lock(lockB))

        then:
        lockIsHeld(lockA)
        lockIsHeld(lockB)

        when:
        coordinationService.withStateLock(unlock(lockA))
        coordinationService.withStateLock(unlock(lockB))

        then:
        !lockIsHeld(lockA)
        !lockIsHeld(lockB)
    }

    def "multiple threads can hold leases from a shared resource"() {

	systemstack(func() {
		i := gp.m.locksHeldLen
		if i >= len(gp.m.locksHeld) {
			throw("too many locks held concurrently for rank checking")
		}
		gp.m.locksHeld[i].rank = rank
		gp.m.locksHeld[i].lockAddr = uintptr(unsafe.Pointer(l))
		gp.m.locksHeldLen++

		// i is the index of the lock being acquired
		if i > 0 {
			checkRanks(gp, gp.m.locksHeld[i-1].rank, rank)
		}
		lock2(l)
	})
}

		time.Sleep(time.Duration(d))
	}

	l.mutex.Lock()
	defer l.mutex.Unlock()
	var locksHeld int64
	if locksHeld, reply = l.lockMap[args.Resources[0]]; !reply { // No lock is held on the given name
		return false, fmt.Errorf("Unlock attempted on an unlocked entity: %s", args.Resources[0])
	}
	if reply = locksHeld == WriteLock; !reply { // Unless it is a write lock

			UID:    mustGetUUID(),
			Owner:  owners[i%len(owners)],
			Quorum: 2,
		}
		lris = append(lris, lri)
		locksHeld[resource] = append(locksHeld[resource], lri)
		// concurrent read lock, same resource different uid
		lri.UID = mustGetUUID()
		lris = append(lris, lri)
		locksHeld[resource] = append(locksHeld[resource], lri)
	}

	var peerLocks []*PeerLocks
	for _, owner := range owners {

	pcvalueCache pcvalueCache

	dlogPerM

	mOS

	chacha8   chacha8rand.State
	cheaprand uint64

	// Up to 10 locks held by this m, maintained by the lock ranking code.
	locksHeldLen int
	locksHeld    [10]heldLockInfo
}

type p struct {
	id          int32
	status      uint32 // one of pidle/prunning/...
	link        puintptr
	schedtick   uint32     // incremented on every scheduler call