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Date: Mon, 20 Apr 2009 19:15:41 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: [1.7] flock change breaks autotools 'make -j2'
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On Apr 20 17:34, Corinna Vinschen wrote:
> On Apr 20 15:14, Eric Blake wrote:
> > Corinna Vinschen <corinna-cygwin <at> cygwin.com> writes:
> > 
> > > > > I'd prefer a testcase in C.
> > > > 
> > > > So would I.  I'm not even sure whether perl was using flock or
> > > > lockf/fcntl.  Do you still need me to try and write a STC, or at least
> > > > test how perl behaves with your first patch?
> > > 
> > > I checked in a patch which hopefully solves both problems.  The lock.pl
> > > testcase now works, at least.  Can you test if the original scenario
> > > works now as well?  If not, I'd really need another testcase.
> > 
> > Nope; with snapshot 20090418 I'm still seeing the 'make -j2' failures.  I'll 
> 
> Too bad.

I just checked in another fix.  My central blocking WaitForMultipleObject
expression had a definition hole big as a barn door.  I could trigger it
easily with a slightly tweaked testcase as sent in my previous reply.

Before you're going to write your own testcase, it might be worth to
give the latest from CVS another try with your automake scenario.


Thanks,
Corinna

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

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