)

func handleSignals() {
	// Custom exit function
	exit := func(success bool) {
		if globalLoggerOutput != nil {
			globalLoggerOutput.Close()
		}

		// If global profiler is set stop before we exit.
		globalProfilerMu.Lock()
		defer globalProfilerMu.Unlock()
		for _, p := range globalProfiler {
			p.Stop()
		}

		if success {
			os.Exit(0)
		}

		os.Exit(1)
	}

	}

	var (
		modTime     time.Time
		etag        string
		fi          FileInfo
		onlineMeta  []FileInfo
		onlineDisks []StorageAPI
		err         error
	)

	for success := range done {
		totalResp++
		if success {
			validResp++
		}
		if totalResp < er.setDriveCount {
			if !opts.FastGetObjInfo {
				continue
			}
			if validResp < minDisks {
				continue
			}
		}

	}

	if err := meta.Save(context.Background(), z); err != nil {
		return toObjectErr(err, bucket)
	}

	globalBucketMetadataSys.Set(bucket, meta)

	// Success.
	return nil
}

func (z *erasureServerPools) GetObjectNInfo(ctx context.Context, bucket, object string, rs *HTTPRangeSpec, h http.Header, opts ObjectOptions) (gr *GetObjectReader, err error) {

	// "x-amz-copy-source-version-id"- not in canonicalized form, preserve it.
	if srcOpts.VersionID != "" {
		w.Header()[strings.ToLower(xhttp.AmzCopySourceVersionID)] = []string{srcOpts.VersionID}
	}

	// Write success response.
	writeSuccessResponseXML(w, encodedSuccessResponse)

	// Notify object created event.
	sendEvent(eventArgs{
		EventName:    event.ObjectCreatedCopy,
		BucketName:   dstBucket,

	}
	if quotaConfig.Size == 0 && quotaConfig.Quota == 0 {
		bucketMeta.Quota = nil
	}

	// Call site replication hook.
	replLogIf(ctx, globalSiteReplicationSys.BucketMetaHook(ctx, bucketMeta))

	// Write success response.
	writeSuccessResponseHeadersOnly(w)
}

// GetBucketQuotaConfigHandler - gets bucket quota configuration
func (a adminAPIHandlers) GetBucketQuotaConfigHandler(w http.ResponseWriter, r *http.Request) {

		return nil, err
	}

	if heal {
		info, err := disk.DiskInfo(context.Background(), DiskInfoOptions{NoOp: heal})
		if err != nil {
			return nil, err
		}
		format.Info = info
	}

	// Success.
	return format, nil
}

// Valid formatErasure basic versions.
func checkFormatErasureValue(formatErasure *formatErasureV3, disk StorageAPI) error {
	// Validate format version and format type.

					if err != nil {
						decomLogIf(ctx, err)
						failure = true
					}
					z.poolMetaMutex.Lock()
					z.poolMeta.CountItem(idx, 0, failure)
					z.poolMetaMutex.Unlock()
					if !failure {
						// Success keep a count.
						decommissioned++
					}
					auditLogDecom(ctx, "DecomCopyDeleteMarker", bi.Name, version.Name, versionID, err)
					continue
				}

				var failure, ignore bool

| `minio_cluster_iam_sync_failures`                               | `counter` | Number of failed IAM data syncs since server start                                                                       |        |

	if len(errMap) == 0 {
		return nil
	}

	var success int
	msgs := []string{}
	for d, err := range errMap {
		name := c.state.Peers[d].Name
		if err == nil {
			msgs = append(msgs, fmt.Sprintf("'%s' on site %s (%s): succeeded", actionName, name, d))
			success++
		} else {
			msgs = append(msgs, fmt.Sprintf("'%s' on site %s (%s): failed(%v)", actionName, name, d, err))

	var formattedDisks []StorageAPI
	// Should use the object layer tests for validating cache.
	if z, ok := objLayer.(*erasureServerPools); ok {
		formattedDisks = z.serverPools[0].GetDisks(0)()
	}

	// Success.
	return objLayer, formattedDisks, nil
}

// removeRoots - Cleans up initialized directories during tests.
func removeRoots(roots []string) {
	for _, root := range roots {
		os.RemoveAll(root)
	}