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Date:      Thu, 5 Apr 2007 22:35:04 +0200
From:      Jeremie Le Hen <jeremie@le-hen.org>
To:        Maxim Sobolev <sobomax@FreeBSD.org>
Cc:        Andrew Pantyukhin <infofarmer@FreeBSD.org>, FreeBSD Current <current@FreeBSD.org>
Subject:   Re: Surviving /dev/null disappearance
Message-ID:  <20070405203504.GA11297@obiwan.tataz.chchile.org>
In-Reply-To: <461434A6.3080001@FreeBSD.org>
References:  <cb5206420704030216r44243573h7981c1e35ef7225@mail.gmail.com> <46128475.9060602@FreeBSD.org> <cb5206420704040151w3c4f32f7gfd4aa017d40a1199@mail.gmail.com> <4613D6F3.4080701@mac.com> <461434A6.3080001@FreeBSD.org>

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Hi, Maxim, Andrew, Chuck,

On Wed, Apr 04, 2007 at 04:28:38PM -0700, Maxim Sobolev wrote:
> >>Isn't there some safety-net wrapper function that
> >>refuses to remove device nodes and maybe some other
> >>types of files?
> >
> >Why not set a filesystem flag like schg on device nodes under a devfs 
> >tree...?
> 
> Well, I suspect that it may cause ld(1) fail instead. What we want it to 
> do is to not perform unlink(2) before open(2) when -o argument is device 
> node.

Do you have any idea why ld(1) doesn't merely use open(2) with
O_TRUNC, instead of unlinking the file ?

Regards,
-- 
Jeremie Le Hen
< jeremie at le-hen dot org >< ttz at chchile dot org >



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