void stop() throws InterruptedException {
    Thread stopping = null;
    synchronized (this) {
      if (thread != null) {
        alive = false;
        if (thread != Thread.currentThread()) {
          thread.interrupt();
          stopping = thread;
        }
        thread = null;
      }
    }
    if (stopping != null) {
      stopping.join(STOP_TIMEOUT_MILLIS);
    }
  }
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