Mail Archives: cygwin/2021/03/16/09:00:53

Michael McMahon via Cygwin <cygwin AT cygwin DOT com> · Tue, 16 Mar 2021 13:00:30 +0000

I think you can download pre-released builds from:

https://cygwin.com/snapshots/

As mentioned already, the fix here is not actually support of AF_UNIX 
sockets natively. My understanding is that they are implemented over 
loopback TCP in cygwin, but the fix allows native AF_UNIX sockets to be 
handled (eg deleted) as regular files through regular cygwin commands.

Michael.

On 16/03/2021 11:06, Kristian Ivarsson via Cygwin wrote:
> Hi all
>
> Does anyone know the status of these fixes ?
>
> I saw an announcement for cygwin-3.2.0-0.1 that seemed to contain some
> AF_UNIX-related fixes but I fail to find out where that distribution exists
> (if it is supposed to be publicly accessible?), but I tried out the
> 2021-03-01 snapshot and perhaps they are similar ?
>
> We bumped into some AF_UNIX-related issues when trying the 2021-03-01
> -snapshot though. It might be some flaws in our code base but the same code
> works in quite a few Linux-distros
>
> We're more than willing to help out with testing this and/or trying to
> narrow down any possible cygwin issues, but first we'd be glad if someone
> could give us some kind of status report of this (so no one is doing any
> unnecessary work)
>
>
> Best regards,
> Kristian
>
> p.s.
>     I tried to build the topic/af_unix -branch according to the FAQ, but
> there was some issues
> d.s.
>
>
>
>>> Hi Ken, Corinna
>>>
>>> Sorry for the delay in responding. I have just tested the fix and it
>>> works great. Thank you very much for looking into it.
>>>
>>> When do you think it would be available in a form that regular users
>>> would be able to update/install?
>> Corinna decides when to make a new Cygwin release.  My best guess is
>> "pretty soon".
>>
>>> Also, one observation FYI, is that the "ls -l" command on Unix
>>> normally indicates sockets with an "s" as the first character of the
>>> output: eg
>>>
>>> srwxr-xr-x  1 Michael None         0 Feb  7 11:19 foo.sock
>>>
>>> Currently, what is shown on Cygwin is
>>>
>>> -rwxr-xr-x  1 Michael None         0 Feb  7 11:19 foo.sock
>>>
>>> indicating a regular file.
>> Right.  From Cygwin's point of view, it is a regular file.  There might
>> come a time when Cygwin's AF_UNIX implementation makes use of native
>> Windows AF_UNIX sockets on systems that support them.  But that time is
>> not currently in sight.
>>
>> Ken
>> --
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Subject:	Re: Sv: Problems with native Unix domain sockets on Win 10/2019
To:	sten DOT kristian DOT ivarsson AT gmail DOT com, cygwin AT cygwin DOT com
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From:	Michael McMahon via Cygwin <cygwin AT cygwin DOT com>
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