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Subject: Re: XWindows curiosity with two cygwin instances
To: cygwin@cygwin.com
References: <15494797-95f5-c94e-875d-4330da656b21@jhmg.net>
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Message-ID: <48e0f632-4bfd-a4f1-580e-b931267be043@jhmg.net>
Date: Thu, 21 May 2020 21:11:03 -0700
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From: Jim Garrison via Cygwin <cygwin@cygwin.com>
Reply-To: jhg@acm.org
Cc: Jim Garrison <jhg@jhmg.net>
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Sender: "Cygwin" <cygwin-bounces@cygwin.com>

On 5/21/2020 5:28 PM, Jim Garrison via Cygwin wrote:
> I have my normal Cygwin+Cygwin/X instance at c:\cygwin64.  I've
> temporarily set up another instance (no X) at u:\cygwin64.  I notice
> that if I start up the X server on the first instance, X programs
> started under the second instance cannot connect to the XServer.
> They always get, for example:
> 
> jim@HOME10 ~
> $ xclock
> Error: Can't open display: :0

I figured out how to add the -listen tcp option in xlaunch, and was
able to connect over TCP between Cygwin instances.  So I assume the
earlier problem had to do with emulation of unix sockets between
two instances of cygwin.dll.

-- 
Jim Garrison jhg@acm.org
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