@Override
  public String toString() {
    return getClass().getSimpleName() + '@' + System.identityHashCode(this) + '{'
        + "directory=" + directory
        + ", file=" + file
        + ", alive=" + alive // not synchronized
        + ", stopAfterRequest=" + stopAfterRequest
        + '}';
  }
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