// Re-uses the same pid. This preserves the pid over multiple server-respawns.
	return syscall.Exec(argv0, os.Args, os.Environ())
}

// freezeServices will freeze all incoming S3 API calls.
// For each call, unfreezeServices must be called once.
func freezeServices() {
	// Use atomics for globalServiceFreeze, so we can read without locking.
	// We need a lock since we are need the 2 atomic values to remain in sync.

			}
		})
	}

	if !globalDisableFreezeOnBoot {
		// Freeze the services until the bucket notification subsystem gets initialized.
		bootstrapTrace("freezeServices", freezeServices)
	}

	var newObject ObjectLayer
	bootstrapTrace("newObjectLayer", func() {
		var err error
		newObject, err = newObjectLayer(GlobalContext, globalEndpoints)
		if err != nil {

			continue
		}
		client := client
		ng.Go(GlobalContext, func() error {
			return client.SignalService(serviceSig, "", false)
		}, idx, *client.host)
	}
	nerrs := ng.Wait()
	if freeze {
		freezeServices()
	} else {
		unfreezeServices()
	}
	return nerrs
}

// Netperf - perform mesh style network throughput test

			adminLogIf(ctx, nerr.Err)
		}
	}

	// Reply to the client before restarting, stopping MinIO server.
	writeSuccessResponseHeadersOnly(w)

	switch serviceSig {
	case serviceFreeze:
		freezeServices()
	case serviceUnFreeze:
		unfreezeServices()
	case serviceRestart, serviceStop:
		globalServiceSignalCh <- serviceSig
	}
}

type servicePeerResult struct {

			if err != nil {
				return np, grid.NewRemoteErr(err)
			}
			return np, grid.NewRemoteErrString(string(buf))
		}
		if !dryRun {
			globalServiceSignalCh <- signal
		}
	case serviceFreeze:
		freezeServices()
	case serviceUnFreeze:
		unfreezeServices()
	case serviceReloadDynamic:
		objAPI := newObjectLayerFn()
		if objAPI == nil {
			return np, grid.NewRemoteErr(errServerNotInitialized)
		}