Mailing-List: contact cygwin-developers-help AT sourceware DOT cygnus DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-developers-subscribe AT sources DOT redhat DOT com>
List-Archive: <http://sources.redhat.com/ml/cygwin-developers/>
List-Post: <mailto:cygwin-developers AT sources DOT redhat DOT com>
List-Help: <mailto:cygwin-developers-help AT sources DOT redhat DOT com>, <http://sources.redhat.com/ml/#faqs>
Sender: cygwin-developers-owner AT sources DOT redhat DOT com
Delivered-To: mailing list cygwin-developers AT sources DOT redhat DOT com
Message-ID: <01f101c0c85b$f308c030$0200a8c0@lifelesswks>
From: "Robert Collins" <robert DOT collins AT itdomain DOT com DOT au>
To: <cygwin-developers AT cygwin DOT com>
References: <008a01c0c7eb$dd0d6b20$0200a8c0 AT lifelesswks> <20010418150427 DOT B3648 AT redhat DOT com>
Subject: Re: process shared mutexs
Date: Thu, 19 Apr 2001 09:04:39 +1000
MIME-Version: 1.0
Content-Type: text/plain;
	charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 5.50.4133.2400
X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400
X-OriginalArrivalTime: 18 Apr 2001 22:57:11.0416 (UTC) FILETIME=[E6FA7780:01C0C85A]

----- Original Message -----
From: "Christopher Faylor" <cgf AT redhat DOT com>
To: <cygwin-developers AT cygwin DOT com>
Sent: Thursday, April 19, 2001 5:04 AM
Subject: Re: process shared mutexs


> On Wed, Apr 18, 2001 at 07:42:10PM +1000, Robert Collins wrote:
> >Chris,
> >    I'm working on process shared mutexs at the moment. I think the
ABI
> >will need to change to accomodate them (I'm not sure just yet). Can
you
> >hold of rolling 1.3 until I can confirm what needs to happen?
>
> Hmm.  Is this the pthread ABI, I assume?

Yes. I've now got pshared mutexs working without altering the ABI, but
I'm in a quandary about interaction with condition variables for pshared
mutex's. I suspect I will have to alter the pthread ABI for that if we
want race-safe code. That or serialise the whole thing which I am trying
to avoid.

> I'll hold off for a couple of days.  I'm about to check in a
potentially
> destabiliizing change to fd table inheritance that will probably need
a couple
> of days to settle down, anyway.

Thanks
Rob

> So, I guess we're shooting for next weekend for 1.3.0.
>
> cgf
>