h.failedMessages.Add(1)
		return errors.New("log buffer full")
	}

	return nil
}

// Cancel - cancels the target.
// All queued messages are flushed and the function returns afterwards.
// All messages sent to the target after this function has been called will be dropped.
func (h *Target) Cancel() {
	h.status.Store(statusClosed)
	h.storeCtxCancel()

	// Wait for messages to be sent...
	h.wg.Wait()

					if err := healFreshDisk(ctx, z, disk); err != nil {
						globalBackgroundHealState.setDiskHealingStatus(disk, false)
						timedout := OperationTimedOut{}
						if !errors.Is(err, context.Canceled) && !errors.As(err, &timedout) && !errors.Is(err, errRetryHealing) {
							printEndpointError(disk, err, false)
						}
						return
					}
					// Only upon success pop the healed disk.

| `minio_api_requests_canceled_total`            | Total number of requests canceled by the client. <br><br>Type: counter         | `name`, `type`, `pool_index`, `server`       |

	ctx, cancel := context.WithCancel(r.Context())
	defer cancel()

	objectAPI, _ := validateAdminReq(ctx, w, r, policy.HealthInfoAdminAction)
	if objectAPI == nil {
		return
	}

	// Freeze all incoming S3 API calls before running speedtest.
	globalNotificationSys.ServiceFreeze(ctx, true)

	// Unfreeze as soon as request context is canceled or when the function returns.
	go func() {

	if !deleteOpts.Immediate {
		// add deadlines for all non-immediate purges
		var cancel context.CancelFunc
		ctx, cancel = context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
		defer cancel()
	}

	_, err := storageDeleteFileRPC.Call(ctx, client.gridConn, &DeleteFileHandlerParams{
		DiskID:   *client.diskID.Load(),
		Volume:   volume,

	// syscall.SIGHUP to reload the certs.
	manager.ReloadOnSignal(syscall.SIGHUP)

	return x509Certs, manager, secureConn, nil
}

// contextCanceled returns whether a context is canceled.
func contextCanceled(ctx context.Context) bool {
	select {
	case <-ctx.Done():
		return true
	default:
		return false
	}
}

    boolean cancelled = future.cancel(mayInterruptIfRunning);
    if (cancelled) {
      close();
    }
    return cancelled;
  }

  private void close() {
    logger.get().log(FINER, "closing {0}", this);
    closeables.close();
  }

  private <U extends @Nullable Object> ClosingFuture<U> derive(FluentFuture<U> future) {
    ClosingFuture<U> derived = new ClosingFuture<>(future);

	}
}

// runDataScanner will start a data scanner.
// The function will block until the context is canceled.
// There should only ever be one scanner running per cluster.
func runDataScanner(ctx context.Context, objAPI ObjectLayer) {
	ctx, cancel := globalLeaderLock.GetLock(ctx)
	defer cancel()

	// Load current bloom cycle
	var cycleInfo currentScannerCycle

	healthClient.NoMetrics = true

	// Construct a new health function.
	restClient.HealthCheckFn = func() bool {
		ctx, cancel := context.WithTimeout(context.Background(), restClient.HealthCheckTimeout)
		defer cancel()
		respBody, err := healthClient.Call(ctx, peerRESTMethodHealth, nil, nil, -1)
		xhttp.DrainBody(respBody)
		return !isNetworkError(err)
	}

// The output channel will be closed when all inputs are emptied.
// If file names are equal, compareMeta is called to select which one to choose.
// The entry not chosen will be discarded.
// If the context is canceled the function will return the error,
// otherwise the function will return nil.
func mergeEntryChannels(ctx context.Context, in []chan metaCacheEntry, out chan<- metaCacheEntry, readQuorum int) error {