// testServiceSignalReceiver - Helper function that simulates a
// go-routine waiting on service signal.
func testServiceSignalReceiver(cmd cmdType, t *testing.T) {
	expectedCmd := cmd.toServiceSignal()
	serviceCmd := <-globalServiceSignalCh
	if serviceCmd != expectedCmd {
		t.Errorf("Expected service command %v but received %v", expectedCmd, serviceCmd)
	}
}

// getServiceCmdRequest - Constructs a management REST API request for service

		return
	}

	writeSuccessResponseJSON(w, jsonBytes)

	if !dryRun {
		prs, ok := peerResults[local]
		// We restart only on success, not for any failures.
		if ok && prs.Err == "" {
			globalServiceSignalCh <- serviceRestart
		}
	}
}

// ServerUpdateHandler - POST /minio/admin/v3/update?updateURL={updateURL}
// ----------
// updates all minio servers and restarts them gracefully.