Date: Wed, 12 Nov 1997 20:33:50 -0800 (PST) From: Simon Shapiro <Shimon@i-connect.net> To: Archie Cobbs <archie@whistle.com> Cc: freebsd-hackers@FreeBSD.ORG Subject: RE: unkillable process Message-ID: <XFMail.971112203350.Shimon@i-Connect.Net> In-Reply-To: <199711122300.PAA10914@bubba.whistle.com>
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Hi Archie Cobbs; On 12-Nov-97 you wrote:
>
> Try the following experiment (on 2.2 and mabye 3.0):
>
> 1. Create a named pipe
> 2. Start typing into it using cat
> 3. Hit control-C as many times as you want
>
> You'll see that the process will not die even with kill -9,
> as it is stuck in uninterrupible disk sleep ("fifo").
>
> But as soon as you read from the other end of the pipe,
> the process exits.
>
> Is there a missing PCATCH flag to tsleep() somewhere?
> Is this appropriate behavior? (hint: rhetorical question)
>From what I remember, this is a typical (if ugly Unix behavior.
Simon
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