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Mail Archives: cygwin/2005/06/09/21:12:57

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Message-ID: <000f01c56d59$7d976d40$1f3ca8c0@AlohaSunset.com>
From: "Mark Pizzolato" <list-cygwin AT subscriptions DOT pizzolato DOT net>
To: <cygwin AT cygwin DOT com>
References: <20050609223533 DOT GA9899 AT trixie DOT casa DOT cgf DOT cx>
Subject: Re: Multi Threaded programs deadlock doing simple I/O operations
Date: Thu, 9 Jun 2005 18:12:33 -0700
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On Thursday, June 09, 2005 at 3:35 PM, Christopher Faylor wrote:
> On Wed, Jun 08, 2005 at 05:43:59PM -0700, Mark Pizzolato wrote:
> >There is a serious problem for multi threaded programs doing simple I/O
> >operations in cygwin (open, dup, fdopen, fclose, and close).
> >
> >The attached 81 line test program clearly demonstrates the issue (by
> >hanging and no longer consuming CPU or performing any I/O operations).
>
> Thanks for the relatively small test case.  That was enough to track the
> problem down.  I'm generating a new snapshot with a fix for this
> problem.

The snapshot looks good!

This fixes the stability problems with clamav's clamd that I've been chasing 
for a long time.

Thanks.

- Mark Pizzolato 


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