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Date: Sun, 16 Aug 2009 11:24:54 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
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Subject: Re: [ANNOUNCEMENT] Updated: run-1.1.11-1
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On Aug 15 10:46, Charles Wilson wrote:
> Corinna Vinschen wrote:
> > Apparently `run XWin' doesn't work at all anymore, everything else seems
> > to work fine.  A shortcut starting XWin directly w/o run works fine as
> > well.  Is XWin allergic against the pipe redirection, maybe?
> 
> Hmm. I've been testing using the XMing xserver, just to avoid any
> possible complications on the client side; that's why I didn't notice
> the problem.
> 
> It seems that emacs.exe (and even emacs-X11,exe) are both console
> programs, while XWin.exe is a GUI program (that is, "objdump -p $prog |
> grep ^Subsystem" reports
> 
> Subsystem               00000002        (Windows GUI)
> 
> rather than
> 
> Subsystem               00000003        (Windows CUI)
> 
> So...food for thought.
> 
> 
> 
> Anyway, I thought about adding a cmdline switch to run, to allow the
> user to choose whether stdio handle redirection should happen.  But I'd
> really rather it were automatic.  Then I got to thinking, /IF/ the
> problem is GUI mode programs, then...maybe run can probe the PE header,
> determine if the target is already GUI, and if so...just launch it using
> exec (_spawn on MinGW)?
> 
> That way, all this mess is avoided -- really, the console-hiding
> property of "run" is kinda pointless for GUI progs; the only value it
> adds in that case is (a) -p setting the PATH, and (b) -wait.  So...just
> skip all the console-hiding stuff.
> 
> Do you think this idea is worth pursuing?

Sounds like a good idea to me.  I'm just wondering, is there really
no easy Win32 function to fetch this information, along the lines
of the GetBinaryType function?


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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