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Date:	Tue, 5 Jul 2005 12:16:54 -0400 (EDT)
From:	Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To:	cygwin AT cygwin DOT com
To:	Jacek Piskozub <piskozub AT iopan DOT gda DOT pl>
cc:	cygwin AT cygwin DOT com
Subject:	Re: Freeze in perl script after cygwin upgrade 1.5.17 -> 1.5.18
In-Reply-To:	<42CAACE0.60205@iopan.gda.pl>
Message-ID:	<Pine.GSO.4.61.0507051155290.7386@slinky.cs.nyu.edu>
References:	<42CAACE0 DOT 60205 AT iopan DOT gda DOT pl>
MIME-Version:	1.0

On Tue, 5 Jul 2005, Jacek Piskozub wrote:

> Yitzchak Scott-Thoennes <sthoenna at efn dot org> wrote:
>
> > What perl version (on linux)?  Do you have a test case?
>
> No, it works fine on Linux. Same script, same Mozilla build, same Perl
> version (5.8.6).
>
> I would bet my money that the fault is on cygwin side, especially as
> with cygwin 1.5.17, mozilla builds work fine.

Either that, or some change in Cygwin tickled a bug in Perl that hasn't
manifested on either Linux or prior Cygwin versions.

> Funny thing but it seems this cygwin update fried both OpenOffice and
> Mozilla builds on win32 platform.

Both of which use Perl extensively and in large-scale builds?

> No, I do not have a test case. I cannot imagine how to create one as
> adding or substracting print commands from the perl script cures or kill
> it. It is no simple malloc problem (or at least not only that).

Well, malloc problems are like this -- any change in memory behavior (such
as adding print commands, which may do allocation in Perl) will affect the
outcome.  Linux, for example, is notorious for zeroing malloc'ed data, and
keeping free()d blocks around, which allows many buggy programs to work.
	Igor
-- 
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