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Date: Tue, 4 Jun 2013 17:36:11 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: [TEST] sqlite3-3.7.17-1 (Cygwin 1.7.19 locking feature)
Message-ID: <20130604153611.GG26857@calimero.vinschen.de>
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References: <51ACF886 DOT 10301 AT etr-usa DOT com> <51AD3BB4 DOT 2010601 AT acm DOT org> <20130604084128 DOT GB19572 AT calimero DOT vinschen DOT de> <20130604093749 DOT GA32667 AT calimero DOT vinschen DOT de> <51AE06E7 DOT 7080005 AT acm DOT org>
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User-Agent: Mutt/1.5.21 (2010-09-15)

On Jun  4 08:25, David Rothenberger wrote:
> On 6/4/2013 2:37 AM, Corinna Vinschen wrote:
> > On Jun  4 10:41, Corinna Vinschen wrote:
> >> On Jun  3 17:58, David Rothenberger wrote:
> >>> On 6/3/2013 1:11 PM, Warren Young wrote:
> >>>> This is a big-push attempt at a version of Cygwin SQLite that will make
> >>>> everyone happy (ha!) whether they want POSIX advisory locking behavior
> >>>> or Windows mandatory locking behavior.  My part of the effort is being
> >>>> stubborn on this point and doing the basic testing and packaging.  The
> >>>> real magic was added by Corinna to yesterday's 1.7.19 cygwin1.dll snapshot.
> >>> [...]
> >>> ... initial results with the Subversion test suite (for 1.8.0-rc2) show
> >>> that most tests fail with a "sqlite: database is locked (S5)" error
> >>> unless CYGWIN_SQLITE_LOCKING=posix.
> >>
> >> The question now is: Why?
> > 
> > IOW: It would be nice to have a simple testcase (plain C, only Cygwin
> > POSIX calls, self-contained, yada yada) to see what sqlite expects in
> > POSIX lock mode.
> 
> This may take some time or be completely over my head given all the
> layers involved with the Subversion test suite (python bindings,
> subversion code, libapr1). I probably won't get to it for a few days or
> longer.

Thanks for the offer.  But really, it's not at all pressing, since it
would probably be mainly for curiosity.  There's just no way to improve
Windows locking.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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