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Re: [TEST] sqlite3-3.7.17-1 (Cygwin 1.7.19 locking feature)
- From: Corinna Vinschen <corinna-cygwin at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Tue, 4 Jun 2013 17:36:11 +0200
- Subject: Re: [TEST] sqlite3-3.7.17-1 (Cygwin 1.7.19 locking feature)
- 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>
- Reply-to: cygwin at cygwin dot com
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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