new start method questions

[Jon Turney]

On 10/06/2016 18:05, mathog wrote:
> On 09-Jun-2016 17:55, mathog wrote:
>> Last time around the start bat script was just:
>>
>> @echo off
>> set CYGXTOP=%~dp0
>> C:
>> chdir "%CYGXTOP%\var\log\xwin"
>> move XWin.0.log.1 XWin.0.log.2
>> move XWin.0.log XWin.0.log.1
>> chdir "%CYGXTOP%\bin"
>> start Xwin :0 -multiwindow
>>
>> Is there some reason that a similar cut down bat file would not work
>> with the current cygwin X11 server? (With "-listen tcp" plus a windows
>> firewall rule to only let it talk to localhost.)

Usually, the fastest way to answer that kind of question is to try it :)

> In a regular CMD shell navigated to the bin directory and did:
>
> start Xwin :0 -multiwindow -listen tcp
>
> and it worked.  So none of the current start script seems to be
> necessary if the only
> goal is to start the X11 server.  It seems to work normally, at least by
> the criterion that xdpyinfo returns the same information as for the
> other starts.

Yes, if running XWin doesn't actually start the server, that would be a bug

> On a related note - are there any situations where the X11 server itself
> (not something in its startup script) will start a subprocess and run a
> different binary?  For instance, some sort of font search operation, or
> perhaps some conditional load of an X11 feature which isn't normally
> started, or some funny kind of cut and paste operation on the Window side?

There are only 2 cases I can think of:

- The xserver runs xkbcomp during start up to compile the keyboard map
- Menu items in Xwinrc which use the EXEC instruction

-- 
Jon Turney
Volunteer Cygwin/X X Server maintainer

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