From owner-freebsd-hackers  Mon Oct 29  9:41:36 2001
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Date: Mon, 29 Oct 2001 09:42:19 -0800
From: Terry Lambert <tlambert2@mindspring.com>
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To: obrien@FreeBSD.ORG
Cc: Mike Barcroft <mike@FreeBSD.ORG>, void <float@firedrake.org>,
	Kris Kennaway <kris@obsecurity.org>, hackers@FreeBSD.ORG
Subject: Re: syslogd and kqueue
References: <20011026233957.A9925@parhelion.firedrake.org> <20011026200436.A61058@xor.obsecurity.org> <20011027043342.A18231@parhelion.firedrake.org> <20011027001704.B2586@coffee.q9media.com> <20011027002622.C2586@coffee.q9media.com> <20011028180643.B59388@dragon.nuxi.com> <3BDCCFB2.1E5CFC49@mindspring.com> <20011028202345.A60175@dragon.nuxi.com> <3BDD8557.A2190693@mindspring.com> <20011029093252.A2425@dragon.nuxi.com>
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David O'Brien wrote:
> 
> On Mon, Oct 29, 2001 at 08:35:35AM -0800, Terry Lambert wrote:
> > > No muss, no fuss.  So where is the race?
> > > Mike had the only justification so far -- that of permissions of the
> > > file.
> >
> > Think multiple instances of syslogd.
> 
> You are going to have to help me out a little bit more -- I can think of
> no problems with what I proposed vs. the existing way.  Both have a race
> of which daemon opens the file first.

Not if you don't use O_CREAT; then they don't.

-- Terry

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