ctx, cancel := context.WithCancel(context.Background())

	if !dm.GetLock(ctx, cancel, id, source, Options{Timeout: 5 * time.Minute}) {
		t.Fatal("GetLock() should be successful")
	}

	// Make it run twice.
	timer := time.NewTimer(testDrwMutexRefreshInterval * 2)

	select {
	case <-ctx.Done():
		t.Fatal("Lock context canceled which is not expected")
	case <-timer.C:
	}

	var mutex sync.Mutex
	printOnce := make(map[Endpoint]map[string]int)

	return func(endpoint Endpoint, err error, once bool) {
		reqInfo := (&logger.ReqInfo{}).AppendTags("endpoint", endpoint.String())
		ctx := logger.SetReqInfo(GlobalContext, reqInfo)
		mutex.Lock()
		defer mutex.Unlock()

		m, ok := printOnce[endpoint]
		if !ok {
			m = make(map[string]int)
			printOnce[endpoint] = m
			if once {

			}
		case "MetaSys":
			var zb0002 uint32
			zb0002, err = dc.ReadMapHeader()
			if err != nil {
				err = msgp.WrapError(err, "MetaSys")
				return
			}
			if z.MetaSys == nil {
				z.MetaSys = make(map[string][]byte, zb0002)
			} else if len(z.MetaSys) > 0 {
				for key := range z.MetaSys {
					delete(z.MetaSys, key)
				}
			}
			for zb0002 > 0 {
				zb0002--
				var za0002 string

	if r == nil {
		return Config{}
	}
	cfg := Config{
		Enabled:            r.Enabled,
		arnProviderCfgsMap: make(map[arn.ARN]*providerCfg, len(r.arnProviderCfgsMap)),
		ProviderCfgs:       make(map[string]*providerCfg, len(r.ProviderCfgs)),
		pubKeys:            r.pubKeys,
		roleArnPolicyMap:   make(map[arn.ARN]string, len(r.roleArnPolicyMap)),
		transport:          r.transport,
		closeRespFn:        r.closeRespFn,
	}

	},
	{
		Name:   "chardevice",
		Data:   []byte("char device file"),
		Method: Deflate,
		Mode:   0755 | fs.ModeDevice | fs.ModeCharDevice,
	},
}

func TestWriter(t *testing.T) {
	largeData := make([]byte, 1<<17)
	if _, err := rand.Read(largeData); err != nil {
		t.Fatal("rand.Read failed:", err)
	}
	writeTests[1].Data = largeData
	defer func() {
		writeTests[1].Data = nil
	}()

	// write a zip file

		case "Tiers":
			var zb0002 uint32
			zb0002, err = dc.ReadMapHeader()
			if err != nil {
				err = msgp.WrapError(err, "Tiers")
				return
			}
			if z.Tiers == nil {
				z.Tiers = make(map[string]madmin.TierConfig, zb0002)
			} else if len(z.Tiers) > 0 {
				for key := range z.Tiers {
					delete(z.Tiers, key)
				}
			}
			for zb0002 > 0 {
				zb0002--
				var za0001 string

		entry.ParentUser = reqInfo.Cred.ParentUser

		entry.API.Name = reqInfo.API
		entry.API.Bucket = reqInfo.BucketName
		entry.API.Object = reqInfo.ObjectName
		entry.API.Objects = make([]audit.ObjectVersion, 0, len(reqInfo.Objects))
		for _, ov := range reqInfo.Objects {
			entry.API.Objects = append(entry.API.Objects, audit.ObjectVersion{
				ObjectName: ov.ObjectName,
				VersionID:  ov.VersionID,

func (l *logOnceType) cleanupRoutine() {
	for {
		time.Sleep(time.Hour)

		l.Lock()
		l.IDMap = make(map[string]onceErr)
		l.Unlock()
	}
}

// Returns logOnceType
func newLogOnceType() *logOnceType {
	l := &logOnceType{IDMap: make(map[string]onceErr)}
	go l.cleanupRoutine()
	return l
}

var logOnce = newLogOnceType()

	if r == nil {
		return nil
	}
	r.RLock()
	defer r.RUnlock()
	return append(make([]KeyVal, 0, len(r.tags)), r.tags...)
}

// GetTagsMap - returns the user defined tags in a map structure
func (r *ReqInfo) GetTagsMap() map[string]string {
	if r == nil {
		return nil
	}
	r.RLock()
	defer r.RUnlock()
	m := make(map[string]string, len(r.tags))
	for _, t := range r.tags {
		m[t.Key] = t.Val
	}

   * even to an intermediate buffer) should be considerably more efficient than potentially
   * copying the CharSequence to a String and then calling getBytes(Charset) on that String, in
   * reality there are optimizations that make the getBytes(Charset) approach considerably faster,
   * at least for commonly used charsets like UTF-8.
   */

  @Override
  @CanIgnoreReturnValue
  public final Hasher putByte(byte b) {
    buffer.put(b);