X-Recipient: archive-cygwin AT delorie DOT com
DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:date:from:to:subject:message-id:reply-to
	:references:mime-version:content-type:in-reply-to; q=dns; s=
	default; b=iORsE+ILmlwWHxU6PwgLNpQgtwOXblwHXJCb0O5IvVA/2x9t5eD8U
	gH9n2+eYoCcFFNlu2Ivqx97fudo902LJjt6siCiiAHflydZGlFKh1yrh1Nv0MD73
	Y4g3dWFL5oGMPzKUp1fwcnaYXfCb5e8TxGfCY7NZI0aI5C+WZ3QK3I=
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:date:from:to:subject:message-id:reply-to
	:references:mime-version:content-type:in-reply-to; s=default;
	 bh=RbH2U3LC58m2IZXXtTI0SE3yCac=; b=XZ0n1W9jlg6gJB1z499EPf7J1vNi
	sbYt240Pt9MNmGfM/vUvuL5p7OqWmbUOi3cV4wluEhJ8fqy0TOKYyME9sRXZxF6Q
	0UQ09f0VKUm77CsY/g1mGih4wDafqflH5oroJQatuiBVNsyMjAt6VC+lTJtnvDAp
	NGTlvF3f7eqZkwA=
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
Authentication-Results: sourceware.org; auth=none
X-Spam-SWARE-Status: No, score=-101.9 required=5.0 tests=BAYES_00,GOOD_FROM_CORINNA_CYGWIN,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 spammy=HX-Languages-Length:2129
X-HELO: mout.kundenserver.de
Date: Thu, 5 Dec 2019 20:16:48 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: 3.0.7(0.338/5/3): Possible reference to Developer's instances of dev files in deployed build
Message-ID: <20191205191648.GC5146@calimero.vinschen.de>
Reply-To: cygwin AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
References: <20191204210222 DOT GA3578 AT shackleton DOT labs DOT net> <754a577d-dac1-16e0-56a7-8be8ab1d424c AT cornell DOT edu> <20191205091807 DOT GG3337 AT calimero DOT vinschen DOT de> <20191205125227 DOT GH3337 AT calimero DOT vinschen DOT de> <04da8ce9-0163-8381-644f-cc7c0f81a5f5 AT cornell DOT edu>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha256;	protocol="application/pgp-signature"; boundary="hHWLQfXTYDoKhP50"
Content-Disposition: inline
In-Reply-To: <04da8ce9-0163-8381-644f-cc7c0f81a5f5@cornell.edu>
User-Agent: Mutt/1.12.1 (2019-06-15)

--hHWLQfXTYDoKhP50
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Dec  5 16:10, Ken Brown wrote:
> On 12/5/2019 7:52 AM, Corinna Vinschen wrote:
> > On Dec  5 10:18, Corinna Vinschen wrote:
> >> On Dec  4 21:41, Ken Brown wrote:
> >>> The difference is that NtCreateFile doesn't fail with
> >>> STATUS_OBJECT_NAME_NOT_FOUND in the other cases, so the code containi=
ng the
> >>> assertion doesn't get run.
> >>>
> >>> BTW, I just tried the following on my system:
> >>>
> >>> $ ls z:\\
> >>> ls: cannot access 'z:\': No such file or directory
> >>>
> >>> strace shows that NtCreateFile fails with STATUS_OBJECT_PATH_NOT_FOUN=
D in this
> >>> case, so again the code containing the assertion is not run.
> >>>
> >>> To be continued...
> >>
> >> So, maybe we could just check if ext_here - path > 2, i. e.
> >>
> >>      if (status =3D=3D STATUS_OBJECT_NAME_NOT_FOUND && ext_here - path=
 > 2)
> >>
> >> That excludes "X:" paths from this special handling for DOS-only drive=
s.
> >=20
> > The only problem here is that I can't reproduce the assertion failure.
> >=20
> > I created a Samba share on a Linux machine, mounted it as drive Z:,
> > and set the "always available offline" property of the drive.
> >=20
> > After syncing I accessed the drive, then I stopped Samba on the Linux
> > server to switch the drive into offline mode.  Then I ran `ls -la
> > /cygdrive/z'.  After a few secs I got the offline content cached on the
> > local machine.  I also tried `ls -la /cygdrive/' and `cd /cygdrive; ls
> > -la', but every time I got the expected output.  In the cases I tried
> > to list /cygdrive itself I got the expected output, all drives except
> > the z drive.
> >=20
> > I tried this with Cygwin 3.1.0-0.8.x86_64 on Windows 7 and Windows 10.
> >=20
> > So either there's something very special in Wilfed's setup, or I'm
> > doing something wrong.  Which is it?
>=20
> How does your strace output compare to Wilfed's when you list /cygdrive? =
 Does=20
> it show a failed attempt to list Z: with an error from NtCreateFile?

Not at all.  The strace doesn't show any attempt to open Z:.


Corinna

--=20
Corinna Vinschen
Cygwin Maintainer

--hHWLQfXTYDoKhP50
Content-Type: application/pgp-signature; name="signature.asc"

-----BEGIN PGP SIGNATURE-----
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=K2c3
-----END PGP SIGNATURE-----

--hHWLQfXTYDoKhP50--