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Re: cygwin 1.3.10 mmap+fork+sockets=fixup_mmaps_after_fork
- From: Nicholas Wourms <nwourms at yahoo dot com>
- To: cygwin at cygwin dot com
- Date: Wed, 5 Jun 2002 05:57:30 -0700 (PDT)
- Subject: Re: cygwin 1.3.10 mmap+fork+sockets=fixup_mmaps_after_fork
I can verify that Corinna's observations are true on WindowsME with the
latest cvs compiled cygwin.
--- Corinna Vinschen <email@example.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?
> [~]$ ./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 Vinschen Please, send mails regarding Cygwin to
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