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Subject: Re: [ANNOUNCEMENT] cygwin 3.3.0-0.2.6c1f49f83fde (TEST)
From: Chris Roehrig <croehrig AT house DOT org>
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Date: Sat, 16 Oct 2021 10:42:57 -0700
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To: Ken Brown via Cygwin <cygwin AT cygwin DOT com>
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On Mon Sep 27 2021, at 7:26 AM, Ken Brown via Cygwin <cygwin AT cygwin DOT com> wrote:

> On 9/26/2021 8:57 PM, Chris Roehrig wrote:
>> I have installed this (completely this time) and have encountered no issues with it.  I'm getting full gigabit speeds with my rsync transfers.   Looks great!
> 
> Thanks for testing.


I've encountered a crash that might be related.   I had previously been having occasional crashes/hangs of cat.exe over the years, but this is the first time I've ever gotten an error message:

cygwin error: 0 [fifo_reader] cat 11398 C:\cygwin\bin\cat.exe: *** fatal  error - Can't add a client handler, Win32 error 123

cat here is reading from a fifo created with mkfifo.

I've only encountered it once (out of daily runs over the last couple weeks) and don't know how to replicate it.   Possibly a race?    Looks like my script has tried to mitigate this with a sleep 1 between the mkfifo and the fork: cat < $fifo &

I only encounter this issue on Cygwin (it has always worked fine without the sleep on Linux and MacOS).

-- Chris


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