checkdead()
	unlock(&sched.lock)

	for {
		lock(&newmHandoff.lock)
		for newmHandoff.newm != 0 {
			newm := newmHandoff.newm.ptr()
			newmHandoff.newm = 0
			unlock(&newmHandoff.lock)
			for newm != nil {
				next := newm.schedlink.ptr()
				newm.schedlink = 0
				newm1(newm)
				newm = next
			}
			lock(&newmHandoff.lock)
		}
		newmHandoff.waiting = true

func (ms *Messages) SortedDedupedCopy() Messages {
	newMs := append((*ms)[:0:0], *ms...)
	newMs.Sort()

	// Take advantage of the fact that the list is already sorted to dedupe
	// messages (any duplicates should be adjacent).
	var deduped Messages
	for _, m := range newMs {
		// Two messages are duplicates if they have the same string representation.

	assert.Equal(t, w.Mesh(), m)

	doneCh := make(chan struct{}, 1)

	var newM *meshconfig.MeshConfig
	w.AddMeshHandler(func() {
		newM = w.Mesh()
		close(doneCh)
	})

	// Change the file to trigger the update.
	m.IngressClass = "foo"
	writeMessage(t, path, m)

	select {
	case <-doneCh:
		assert.Equal(t, newM, m)
		assert.Equal(t, w.Mesh(), newM)
		break
	case <-time.After(time.Second * 5):

	ist, err := istio.Get(ctx)
	if err != nil {
		return err
	}

	// Now parse the provider YAML.
	newMC := &meshconfig.MeshConfig{}
	if err := protomarshal.ApplyYAML(providerYAML, newMC); err != nil {
		return err
	}

	providerNames := sets.New[string]()
	for _, p := range newMC.GetExtensionProviders() {
		providerNames.Insert(p.Name)
	}

	return ist.UpdateMeshConfig(ctx,

	POPL	SI
	POPL	DI

	// remove callback parameters before return (as per Windows spec)
	POPL	DX
	ADDL	CX, SP
	PUSHL	DX

	CLD

	RET

// void tstart(M *newm);
TEXT tstart<>(SB),NOSPLIT,$8-4
	MOVL	newm+0(FP), CX		// m
	MOVL	m_g0(CX), DX		// g

	// Layout new m scheduler stack on os stack.
	MOVL	SP, AX
	MOVL	AX, (g_stack+stack_hi)(DX)

	if v, _, _, _ := current.lookup(name); v != nil {
		return v, nop
	}
	v, newM, err := current.newCounter(name)
	if err != nil {
		debugPrintf("newCounter %s: %v\n", name, err)
		return nil, nop
	}

	cleanup = nop
	if newM != nil {
		f.current.Store(newM)
		cleanup = f.invalidateCounters
	}
	return v, cleanup
}

// Open associates counting with the defaultFile.

                    // fill in domain md with actual version data
                    ArtifactMetadata md = v.getMd();
                    ArtifactMetadata newMd = new ArtifactMetadata(
                            md.getGroupId(),
                            md.getArtifactId(),
                            edge.getVersion(),
                            md.getType(),

	stop := test.NewStop(t)
	w := NewConfigMapWatcher(client, namespace, name, key, false, stop)
	client.RunAndWait(stop)

	var mu sync.Mutex
	newM := mesh.DefaultMeshConfig()
	w.AddMeshHandler(func() {
		mu.Lock()
		defer mu.Unlock()
		newM = w.Mesh()
	})

	steps := []struct {
		added   *v1.ConfigMap
		updated *v1.ConfigMap
		deleted *v1.ConfigMap

		expect *meshconfig.MeshConfig

	}
}

func TestMapType(t *testing.T) {
	var m map[string]int
	mapStringInt := getTypeUnlocked("map", reflect.TypeOf(m))
	var newm map[string]int
	newMapStringInt := getTypeUnlocked("map1", reflect.TypeOf(newm))
	if mapStringInt != newMapStringInt {
		t.Errorf("second registration of map[string]int creates new type")
	}
	var b map[string]bool

	MOVQ	(m_mOS+mOS_perrno)(BX), AX
	CMPQ	AX, $0
	JEQ	skiperrno2
	MOVL	0(AX), AX
	MOVQ	AX, libcall_err(DI)

skiperrno2:
	RET

// uint32 tstart_sysvicall(M *newm);
TEXT runtime·tstart_sysvicall(SB),NOSPLIT,$0
	// DI contains first arg newm
	MOVQ	m_g0(DI), DX		// g

	// Make TLS entries point at g and m.
	get_tls(BX)
	MOVQ	DX, g(BX)
	MOVQ	DI, g_m(DX)

	// Layout new m scheduler stack on os stack.