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Date: Thu, 05 Jan 2006 23:04:55 -0500
From: "Larry Hall (Cygwin)" <reply-to-list-only-lh AT cygwin DOT com>
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Subject: Re: services not starting with 20060104 snapshot
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Larry Hall (Cygwin) wrote:
> Larry Hall (Cygwin) wrote:
> 
>> Christopher Faylor wrote:
>>
>>> On Thu, Jan 05, 2006 at 09:34:07PM -0500, Christopher Faylor wrote:
>>>
>>>> That was supposed to fix the problem of console windows appearing 
>>>> when the
>>>> service is allowed to interact with the desktop.
>>>
>>>
>>>
>>>
>>> Does this do anything, Larry?
>>>
>>> cgf
>>>
>>> Index: fhandler_console.cc
>>> ===================================================================
>>> RCS file: /cvs/uberbaum/winsup/cygwin/fhandler_console.cc,v
>>> retrieving revision 1.155
>>> diff -u -p -r1.155 fhandler_console.cc
>>> --- fhandler_console.cc    5 Jan 2006 16:26:22 -0000    1.155
>>> +++ fhandler_console.cc    6 Jan 2006 02:54:56 -0000
>>> @@ -146,7 +146,7 @@ tty_list::get_tty (int n)
>>>  void __stdcall
>>>  set_console_state_for_spawn (bool noncygwin_process)
>>>  {
>>> -  if (noncygwin_process && fhandler_console::need_invisible ())
>>> +  if ((1 || noncygwin_process) && fhandler_console::need_invisible ())
>>>      return;
>>>  
>>
>>
>>
>> OK, stupid question but why do we want this part?  For me, reverting this
>> change allows me to start sshd and get output from 'ssh localhost date'.
>> I guess I should be trying to reproduce the console window problem to
>> answer the above...
> 
> 
> Yeah, stupid question.  Never mind.  I see... But wait, now it all seems
> to work.  I guess this means that your patch Chris is a (confusing) 
> success.
> I'll bang on it a bit more to see if I can convince myself I didn't see
> the ssh output failure the first time around...
> 


Chris, you asleep?  Good.  No need to disturb a good night's sleep with
some bad news.

I figured out why it didn't work for me the first time and why it did
after that.  I think I'm finally up-to-speed with what these two competing
blocks of code do to create this issue. ;-)  For all those wondering (does
anybody still have the strength to keep reading this thread? ;-) ), the
first time I tried it, sshd could not interact with the desktop.  With
Chris's patch and this switch off, I see no extra consoles and no output
from 'ssh localhost date'.  Turning on desktop interaction for sshd and
restarting the service, I see no extra consoles and I get output from
'ssh localhost date'.  It's all so obvious now. ;-)

So there is still a problem (but a less than appetizing workaround).


-- 
Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
838 Washington Street                   (508) 893-9889 - FAX
Holliston, MA 01746


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