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Mail Archives: cygwin-developers/2003/03/10/11:18:02

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Message-ID: <3E6CBB60.FAC2C62D@ieee.org>
Date: Mon, 10 Mar 2003 11:20:48 -0500
From: "Pierre A. Humblet" <Pierre DOT Humblet AT ieee DOT org>
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To: cygwin-developers AT cygwin DOT com
Subject: Re: unlink
References: <3E6CB0FA DOT 2312CCD0 AT ieee DOT org> <20030310155855 DOT GB1193 AT cygbert DOT vinschen DOT de>

Corinna Vinschen wrote:
> 
> On Mon, Mar 10, 2003 at 10:36:26AM -0500, Pierre A. Humblet wrote:
> > So I would propose to remove the DELETE code from alloc_sd and sec_acl
> > and to leave unlink as it is, in that respect.
> 
> Like this?

Wow. Yes.

> > 2) Why is wincap.has_delete_on_close needed?
> 
> Hmm, I can't answer this one.  Historical reasons?  Bad experience?
> 
> > 3) I don't understand why there are so many SetFileAttributes after CreateFile
> >    succeeds. If the file will be deleted, its attributes are don't care. If it won't,
> >    then we undo twice what we just did before the CreateFile.
> >    Also it's an easy test to decide if the SetFileAttribute before CreateFile is needed.
> 
> Chris and I are through this attribute hell this weekend.  To make it
> short:  If the file is hardlinked more than once, the other links would
> miss an attribute after removing this one link.

I think I see. When a file is hard linked, SetFileAttributes affects *all* links.
Correct? 
Still, it's easy to decide if the calls are needed.

Pierre

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