@Override
  public void run() {
    try { // always set alive before stopping
      while (isAlive()) {
        doWork();
      }
    } finally {
      synchronized (this) {
        alive = false;
      }
    }
  }
Invokes a ControlRequestHandler when a control file has been created.

@since GemFire 8.0
geode-core/src/main/java/org/apache/geode/internal/process/ControlFileWatchdog.java