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Date: Wed, 21 Jul 2004 22:47:32 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: MapViewOfFileEx errors with cygwin1-20040716 snapshot
Message-ID: <20040721204732.GB26588@cygbert.vinschen.de>
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References: <87n01xzci1 DOT fsf AT vzell-de DOT de DOT oracle DOT com> <20040719045351 DOT GA9614 AT trixie DOT casa DOT cgf DOT cx> <878ydgxozc DOT fsf AT vzell-de DOT de DOT oracle DOT com> <20040720114946 DOT GJ11473 AT cygbert DOT vinschen DOT de> <87briass3b DOT fsf AT vzell-de DOT de DOT oracle DOT com> <20040720151642 DOT GL11473 AT cygbert DOT vinschen DOT de> <Pine DOT GSO DOT 4 DOT 58 DOT 0407202057250 DOT 10093 AT slinky DOT cs DOT nyu DOT edu> <20040721082614 DOT GD21800 AT cygbert DOT vinschen DOT de> <Pine DOT GSO DOT 4 DOT 58 DOT 0407211411270 DOT 22264 AT slinky DOT cs DOT nyu DOT edu>
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On Jul 21 14:47, Igor Pechtchanski wrote:
> On Wed, 21 Jul 2004, Corinna Vinschen wrote:
> > It makes a difference.  FWIW, Volker's message is printed from a function
> > which only runs in case a process is using XSI shared memory and forks.
> > cvs doesn't use XSI shared memory so the message you saw is very likely
> > emitted by open_shared.
> 
> Actually, this is what's weird.  The messages from open_shared() and
> fixup_shms_after_fork() are subtly different, and I don't recall the name
> of the shared region (or, for that matter, anything in single quotes)
> being printed, so I guess the message came from fixup_shms_after_fork().
> I've since tried to reproduce it under strace, and failed.  The three
> times I saw the message, one was from inside cvs.exe, and two were from
> inside ssh.exe, if that helps any.  The next time I get this error, I'll

None of these apps use XSI shared memory.  In theory that only can happen
if sph_list is not all zero in a forked application.  But that should only
happen if the parent used XSI shared memory...

> copy/paste the exact message and the exact sequence of actions that led to
> it.  Please let me know what else I can do to help track this down.

Do you have Cygserver running?  If yes, does that also happen if it
doesn't run or CYGWIN != "server"?


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Co-Project Leader          mailto:cygwin AT cygwin DOT com
Red Hat, Inc.

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