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Date:      Wed, 8 Nov 1995 15:16:31 -0500
From:      "Garrett A. Wollman" <wollman@lcs.mit.edu>
To:        Charles Owens <owensc@enc.edu>
Cc:        questions list FreeBSD <freebsd-questions@freebsd.org>
Subject:   CPU usage of "talk"
Message-ID:  <9511082016.AA25466@halloran-eldar.lcs.mit.edu>
In-Reply-To: <Pine.BSF.3.91.951108145017.3876C-100000@itsdsv1.enc.edu>
References:  <Pine.BSF.3.91.951108145017.3876C-100000@itsdsv1.enc.edu>

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<<On Wed, 8 Nov 1995 14:58:59 -0500 (EST), Charles Owens <owensc@enc.edu> said:

> Here's the PS output.  They're talking to each other...
> USER       PID %CPU %MEM   VSZ  RSS TT  STAT STARTED       TIME COMMAND
> slatera   4999 60.9  2.1   236  636 p1- R     2:31PM    4:13.48 
                                        ^
>      /usr/bin/talk holmesa
> holmesa   4983 61.1  2.1   236  636 p0- R     2:31PM    6:15.69 
                                        ^
>      /usr/bin/talk slatera

That `-' is the big hint.  `talk' is another one of those broken
programs that assumes that input can never fail.  Both of these
processes are spinning in loops attempting to read from a revoked
terminal and ignoring the resulting error return.

-GAWollman

--
Garrett A. Wollman   | Shashish is simple, it's discreet, it's brief. ... 
wollman@lcs.mit.edu  | Shashish is the bonding of hearts in spite of distance.
Opinions not those of| It is a bond more powerful than absence.  We like people
MIT, LCS, ANA, or NSA| who like Shashish.  - Claude McKenzie + Florent Vollant



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