process shared mutexs

Robert Collins robert.collins@itdomain.com.au
Wed Apr 18 16:04:00 GMT 2001


----- Original Message -----
From: "Christopher Faylor" <cgf@redhat.com>
To: <cygwin-developers@cygwin.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
>



More information about the Cygwin-developers mailing list