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Subject:	Re: XWindows curiosity with two cygwin instances
To:	cygwin AT cygwin DOT com
References:	<15494797-95f5-c94e-875d-4330da656b21 AT jhmg DOT 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 AT cygwin DOT com>
Reply-To:	jhg AT acm DOT org
Cc:	Jim Garrison <jhg AT jhmg DOT net>
Errors-To:	cygwin-bounces AT cygwin DOT com
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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 AT 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 AT acm DOT org
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