var delayNanos = -1L
    try {
      delayNanos = task.runOnce()
    } finally {
      lock.withLock {
        afterRun(task, delayNanos)
      }
      currentThread.name = oldName
    }
  }

  private fun afterRun(
    task: Task,
    delayNanos: Long,
  ) {
    lock.assertHeld()

    val queue = task.queue!!
    check(queue.activeTask === task)