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Message-id:	<51FEFA60.2050707@cygwin.com>
Date:	Sun, 04 Aug 2013 21:05:36 -0400
From:	"Larry Hall (Cygwin)" <reply-to-list-only-lh AT cygwin DOT com>
Reply-to:	cygwin AT cygwin DOT com
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To:	cygwin AT cygwin DOT com
Subject:	Re: checkX problem or misunderstanding
References:	<20130803175444 DOT 3628 AT binki>
In-reply-to:	<20130803175444.3628@binki>

On 8/3/2013 4:54 AM, wynfield AT gmail DOT com wrote:
> Re: checkX
>
>    $ checkX --version
>      run2 0.4.2
>
> checkX doesn't work as I understand the description below:
>
> "DESCRIPTION
>         Determines  if  X is installed, Xserver is running on specified DISPLAY
>         and will accept clients. Returns 0 if yes, nonzero otherwise"
>
>
> Environment / Procedure to duplicate the error:
>
>   - I have an X11 server running, started in pty0, where I will test checkX
>
>   - In this pty0, I start an X11 server, which from the xinitrc starts up another mintty
>      terminal, pty1 with Display environment variable set to :0
>
>   - Testing checkX in pty1 (which has DISPLAY set) returns a 0 or successful result.
>     checkX :0  --> returns 0
>
>   - Moving back to pty0 and running the same command with the same argument gives:
>     checkX :0  --> return 1 and error condition or no server available.
>
>
> However, if I simply manually set DISPLAY=:0 in pty0   X11 clients will run.
>
> -  export DISPLAY=127.0.0.1:0
> -  checkX :0  --> Nnw reports an o.k. this server is useable.
>
> If one relied on checkX the runing server would be missed.  It is doing
> nothing that a check if DISPLAY var is set or not andn then possible
> testing it.  It should has used the value :0 I sent it and do some X11
> stuff I am not aware of.

Perhaps we're misunderstanding your confusion here.  Can you explain what
about Chuck's description of checkX at the link below isn't clear?

<http://cygwin.com/ml/cygwin/2013-08/msg00009.html>


-- 
Larry

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

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