From: Yukihiro Matsumoto <matz@...>
Date: 2008-11-23T09:31:17+09:00
Subject: [ruby-dev:37146] Re: [ruby-cvs:27544] Ruby:r20326 (ruby_1_9_1): merges r20298 from trunk into ruby_1_9_1.

まつもと ゆきひろです

In message "Re: [ruby-cvs:27544] Ruby:r20326 (ruby_1_9_1): merges r20298 from trunk into ruby_1_9_1."
    on Sat, 22 Nov 2008 23:52:46 +0900 (JST), yugui@ruby-lang.org writes:

|    merges r20298 from trunk into ruby_1_9_1.
|    * ext/pty/pty.c (get_device_once): abandon asynchronous exception
|      that might cause serious problem if a program terminated early.
|      asynchronous exception is a very bad thing anyway.  use
|      Process.waitpid(pid) or PTY.check(pid) to poll program
|      termination. if PTY.check is called with optional second
|      argument being true, it raises an exception same as one from
|      previous behavior.  [incompatible] fix: [ruby-core:19583]

これは非互換な変更なので1.9.2まで待った方がよいかもしれない
と思います。少なくとも議論なしに1.9.1に入れるのはどうでしょ
うか。