pr.mu.Lock()
	defer pr.mu.Unlock()
	if pr.rc == nil {
		return 0, io.EOF
	}
	return pr.rc.Read(p)
}

func (pr *syncReadCloser) Close() error {
	pr.mu.Lock()
	defer pr.mu.Unlock()
	if pr.rc != nil {
		err := pr.rc.Close()
		pr.rc = nil
		return err
	}
	return nil

	testCases := []struct {
		s           string
		expectedARN *ARN
		expectErr   bool
	}{
		{"", nil, true},
		{"arn:minio:sqs:::", nil, true},
		{"arn:minio:sqs::1:webhook:remote", nil, true},
		{"arn:aws:sqs::1:webhook", nil, true},
		{"arn:minio:sns::1:webhook", nil, true},
		{"arn:minio:sqs::1:webhook", &ARN{TargetID{"1", "webhook"}, ""}, false},

	if len(errs) != len(disks) {
		bugLogIf(GlobalContext, errors.New("unexpected drives/errors slice length"))
		return nil
	}
	newDisks := make([]StorageAPI, len(disks))
	for index := range errs {
		if errs[index] == nil {
			newDisks[index] = disks[index]
		} else {
			newDisks[index] = nil
		}
	}
	return newDisks
}

// Errors specifically generated by calculatePartSizeFromIdx function.
var (

func (h *Target) Send(ctx context.Context, entry interface{}) error {
	if h.status.Load() == statusClosed {
		if h.migrateTarget != nil {
			return h.migrateTarget.Send(ctx, entry)
		}
		return nil
	}

	h.logChMu.RLock()
	defer h.logChMu.RUnlock()
	if h.logCh == nil {
		// We are closing...
		return nil
	}

	select {
	case h.logCh <- entry:
		h.totalMessages.Add(1)
	case <-ctx.Done():

		err := CheckPortAvailability(testCase.host, strconv.Itoa(testCase.port), TCPOptions{})
		switch {
		case testCase.expectedErr == nil:
			if err != nil {
				t.Fatalf("error: expected = <nil>, got = %v", err)
			}
		case err == nil:
			t.Fatalf("error: expected = %v, got = <nil>", testCase.expectedErr)
		case testCase.expectedErr.Error() != err.Error():
			t.Fatalf("error: expected = %v, got = %v", testCase.expectedErr, err)

	}{
		{
			[]clause.Interface{clause.Update{}},
			"UPDATE `users`", nil,
		},
		{
			[]clause.Interface{clause.Update{Modifier: "LOW_PRIORITY"}},
			"UPDATE LOW_PRIORITY `users`", nil,
		},
		{
			[]clause.Interface{clause.Update{Table: clause.Table{Name: "products"}, Modifier: "LOW_PRIORITY"}},
			"UPDATE LOW_PRIORITY `products`", nil,
		},
	}

	for idx, result := range results {

	case InsecureSealAlgorithm:
		sha := sha256.New()
		sha.Write(extKey)
		sha.Write(sealedKey.IV[:])
		unsealConfig = sio.Config{MinVersion: sio.Version10, Key: sha.Sum(nil), CipherSuites: fips.DARECiphers()}
	}

	if out, err := sio.DecryptBuffer(key[:0], sealedKey.Key[:], unsealConfig); len(out) != 32 || err != nil {
		return ErrSecretKeyMismatch
	}

	combined := Mask(atomic.LoadUint64(&ps.types))
	combined.Merge(Mask(mask.Mask()))
	atomic.StoreUint64(&ps.types, uint64(combined))
	if wg != nil {
		wg.Add(1)
	}
	go func() {
		defer func() {
			if wg != nil {
				wg.Done()
			}
			// Clean up and de-register the subscriber
			ps.Lock()
			defer ps.Unlock()
			var remainTypes Mask
			for i, s := range ps.subs {

		}

		// close when we know this is a network error.
		target.conn.Close()
	}

	conn, err = amqp091.Dial(target.args.URL.String())
	if err != nil {
		if xnet.IsConnRefusedErr(err) {
			return nil, nil, store.ErrNotConnected
		}
		return nil, nil, err
	}

	ch, err = conn.Channel()
	if err != nil {
		return nil, nil, err
	}

	target.conn = conn

	c.Assert(err, nil)

	// execute the HTTP request.
	response, err = s.client.Do(request)

	c.Assert(err, nil)
	c.Assert(response.StatusCode, http.StatusOK)

	request, err = newTestSignedRequest(http.MethodGet, getGetObjectURL(s.endPoint, bucketName, "my-object-directory/"),
		0, nil, s.accessKey, s.secretKey, s.signer)
	c.Assert(err, nil)

	// execute the HTTP request.