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To: Bruce Evans <bde@zeta.org.au>
cc: cvs-committers@FreeBSD.ORG, ghelmer@scl.ameslab.gov, imp@village.org,
        roberto@keltia.freenix.fr
Subject: Re: cvs commit: src/usr.bin/msgs msgs.c 
In-reply-to: Your message of "Sat, 11 Jul 1998 12:03:48 +1000."
             <199807110203.MAA02791@godzilla.zeta.org.au> 
Date: Fri, 10 Jul 1998 19:11:27 -0700
Message-ID: <15588.900123087@time.cdrom.com>
From: "Jordan K. Hubbard" <jkh@time.cdrom.com>
Sender: owner-cvs-all@FreeBSD.ORG
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Gosh, and I thought it was only sync(1) that had to be done three
times in a row by tradition. :)

- Jordan

> >> Well, it is innocuous, except it reduces portabilty (seteuid() isn't in
> >> POSIX.1).  Here is an attempt at a portable version:
> >> 
> >> 	uid = getuid();
> >> 	(void)setuid(uid);
> >> 	(void)setuid(uid);
> >
> >I never knew that setuid() was "sticky" - what happens if you call it
> >a 3rd time? :-) 
> 
> It depends on how bizarre "appropriate privilege" is and whether it
> changes between the second and third calls.
> 
> Bruce


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