Date: Thu, 13 Nov 1997 10:48:17 -0800 (PST) From: Archie Cobbs <archie@whistle.com> To: Shimon@i-connect.net (Simon Shapiro) Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: unkillable process Message-ID: <199711131848.KAA19595@bubba.whistle.com> In-Reply-To: <XFMail.971112203350.Shimon@i-Connect.Net> from Simon Shapiro at "Nov 12, 97 08:33:50 pm"
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Simon Shapiro writes:
> 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.
Hmm... does anyone else besides me have the opinion that,
while it may be typical, this behavior is also *broken*?
Still Curious,
-Archie
___________________________________________________________________________
Archie Cobbs * Whistle Communications, Inc. * http://www.whistle.com
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