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Re: cygwin 1.3.10 mmap+fork+sockets=fixup_mmaps_after_fork
- From: Michael Potter <pottmi at lidp dot com>
- To: cygwin at cygwin dot com
- Date: Thu, 6 Jun 2002 09:38:58 -0500
- Subject: Re: cygwin 1.3.10 mmap+fork+sockets=fixup_mmaps_after_fork
- Organization: Life Insurance Data Processing Incorporated
- Phone: +1 630 829 7015
- Reply-to: pottmi at lidp dot com
We downloaded the latest snapshot (6/4) and it still fails on win2k.
We are running the win2k box as a terminal server.
It runs successfully on ME with the 6/4 snapshot and with the 1.3.10.
Would anyone be interested in the strace of the failure?
Corinna, what opsys are you using?
--
Michael Potter.
> Hi, I can verify that Corinna's observations are true on WindowsME
> with the latest cvs compiled cygwin. Cheers,
>
> Nicholas
>
> --- Corinna Vinschen <corinna-cygwin@cygwin.com> wrote:
> > On Tue, Jun 04, 2002 at 03:08:12PM -0500, Michael Potter wrote:
> > > > On Mon, Jun 03, 2002 at 03:57:07PM -0500, Michael Potter wrote:
> > > > >
> > > > > Enclosed is a sample program that demonstrates a bug with
> > > > > mmap, fork, and sockets. This sample is very similar to
> > > > > on submitted by me on june 2, but this one eliminiates sysV ipc.
> > > > >
> > > > > here is the sample run:
> > > >
> > > > Your example code works fine with Cygwin from current cvs HEAD.
> > > > So I assume the problem has been fixed.
> > > > Corinna
> > > >
> > >
> > > Corinna,
> > >
> > > We just tried the latest snap shot and the example fails.
> > >
> > > I want to confirm that you ran the sample properly.
> > >
> > > Did you do a "telnet hostname 5210" to allow the program to
> > > continue the the second fork, which fails?
> >
> > Yep:
> >
> > [~]$ ./x4
> > in pid = 760
> > entering NetWorkSocket
> > Port=5210, Socket=3, sinport=23060
> > exiting NetWorkSocket
> > entering accept
> > [~]$ after accept
> > in pid = 748
> > in pid = 608
> >
> > I tried it several times w/o problems.
> >
> > Corinna
>
--
potter
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