private boolean stop(final ControlFileWatchdog fileWatchdog) {
    boolean interrupted = false;
    try {
      fileWatchdog.stop();
    } catch (InterruptedException e) {
      interrupted = true;
      logger.warn("Interrupted while stopping status handler for controllable process.", e);
    }
    return interrupted;
  }
Returns the PID file.

@return the PID file
geode-core/src/main/java/org/apache/geode/internal/process/FileControllableProcess.java