GNU bug report logs - #21804
25.0.50; file-notify-tests failure on Cygwin

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Message #35 received at 21804 <at> debbugs.gnu.org (full text, mbox):

From: Michael Albinus <michael.albinus <at> gmx.de>
To: Ken Brown <kbrown <at> cornell.edu>
Cc: 21804 <at> debbugs.gnu.org
Subject: Re: bug#21804: 25.0.50; file-notify-tests failure on Cygwin
Date: Thu, 05 Nov 2015 20:58:42 +0100

Ken Brown <kbrown <at> cornell.edu> writes:

> Hi Michael,

Hi Ken,

>> Hard to debug, because we are faced with timing issues. So I would need
>> to do this myself ...
>>
>> Well, I'll try to find a machine where I could install cygwin. Where
>> could I find a very recent Emacs, including the patch of gfilenotify.c
>> I've committed yesterday?
>
> I've just built one and put it on my private Cygwin repository at

I've played with this the whole afternoon. Looks like there is no error
in gfilenotify for Cygwin. But it is a hard job to trigger the file
notification events to appear such a way they could be checked for
correctness in the test cases.

Increasing timeouts was necessary. But even this does not make the
events to appear reliably. One would need to write additional code to
get every single event one after the other. Waiting for a series of
events, as the test cases do expect, does not seem to work.

Since I have no further idea how to get those events reliably, I tend to
skip both test cases for cygwin. What do you think?

> Ken

Best regards, Michael.

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