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To: Drew Morone <drew@j51.com>
cc: freebsd-questions@freebsd.org
Subject: Re: Processes -will- -not- die! 
In-reply-to: Your message of "Mon, 04 Dec 95 20:12:03 EST."
             <199512050112.UAA12000@j51.com> 
From: David Greenman <davidg@Root.COM>
Reply-To: davidg@Root.COM
Date: Mon, 04 Dec 1995 17:54:50 -0800
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>For some reason, some of the user apps on my system will get hung, and 
>won't die when somebody exits unceremoniously. I of course have to go in 
>and kill the process, which proceeds to suck up all of the CPU. This 
>seems to happen most with "pine" and "tin", but will happen with other 
>software as well.

   This is caused by 'pine' and 'tin' not handling the EIO return from a read
properly. When the TTY gets disconnected, input from stdin loops continuously
while ignoring the error return. (I might have this backward - it might be on
the output side or both).

-DG