code: final void destroyTaskJVM(TaskControllerContext context) {
      Thread taskJVMDestroyer = new Thread(new DestroyJVMTaskRunnable(context));
      taskJVMDestroyer.start();
      if (waitForConfirmedKill) {
        try {
          taskJVMDestroyer.join();
        } catch (InterruptedException e) {
          throw new IllegalStateException("destroyTaskJVM: Failed to join " +
              taskJVMDestroyer.getName());
        }
      }
    }
docs: Use DestroyJVMTaskRunnable to kill task JVM asynchronously.  Wait for the
  confirmed kill if configured so.
  
  @param context Task context