ruby-dev

けいじゅ＠いしつかです.

In [ruby-dev:30631] the message: "[ruby-dev:30631] Re: at_exit", on
Mar/19 13:43(JST) Yukihiro Matsumoto writes:

>まつもと ゆきひろです

>今調べたら1.6ではThread.killの方が先ですね。なぜ変わったのか
>ちょっと覚えていないんですが。at_exitコードでの例外対策だっ
>たかなあ。

at_exitが先の方が, 殺されるThreadの後処理とかしやすいのでこの方がうれ
しいです.

今のが, 正しい振る舞いだと思って良いですよね?

話は変わるのですが, forkしたとき子プロセス側でもat_exitが生きていま
す. これはこれで, 良いとは思うのですが...

通常, at_exitはライブラリ側で登録されることが多いと思います. forkされ
た子プロセスでも同じat_exitが欲しいかどうかは時と場合によります.

で, BEGINの親戚の at_fork みたいのが欲しいのですが? つまり, 

  at_fork block

で登録していると, forkされた子プロセス側では最初に実行されるというもの
です. 必要に応じてライブラリ側でfork時の振る舞いを定義できるようになり
ます.

__
---------------------------------------------------->> 石塚 圭樹 <<---
---------------------------------->> e-mail: keiju@ishitsuka.com <<---

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[ruby-dev:30634] Re: at_exit

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