private static void startProctor() {
    if (failure != null) {
      notifyWatchDog();
      return;
    }
    synchronized (failureSync) {
      if (proctor != null && proctor.isAlive()) {
        return;
      }
      proctor = new LoggingThread("SystemFailure Proctor", SystemFailure::runProctor);
      proctor.start();
    }
  }
Start the proctor thread, if it isn't already running.

@see #proctor
geode-core/src/main/java/org/apache/geode/SystemFailure.java