void Thread::interrupt(Thread* thread) {

  {- -------------------------------------------
  (1) (トレース出力)
      ---------------------------------------- -}

      trace("interrupt", thread);

  {- -------------------------------------------
  (1) (デバッグ用の処理)
      ---------------------------------------- -}

      debug_only(check_for_dangling_thread_pointer(thread);)

  {- -------------------------------------------
  (1) os::interrupt() を呼んで, 割り込み処理を行う.
      ---------------------------------------- -}

      os::interrupt(thread);
    }