This is the mail archive of the cygwin@cygwin.com mailing list for the Cygwin project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: cygwin 1.3.10 mmap+fork+sockets=fixup_mmaps_after_fork


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
> 
> -- 
> Corinna Vinschen                  Please, send mails regarding Cygwin to
> Cygwin Developer                                mailto:cygwin@cygwin.com
> Red Hat, Inc.
> 
> --
> Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
> Bug reporting:         http://cygwin.com/bugs.html
> Documentation:         http://cygwin.com/docs.html
> FAQ:                   http://cygwin.com/faq/
> 


__________________________________________________
Do You Yahoo!?
Yahoo! - Official partner of 2002 FIFA World Cup
http://fifaworldcup.yahoo.com

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Bug reporting:         http://cygwin.com/bugs.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]