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Date:	Fri, 30 Sep 2011 15:04:40 -0400
From:	Ken Brown <kbrown AT cornell DOT edu>
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Subject:	Re: error while running shell in emacs
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On 9/30/2011 10:27 AM, Markus Hoenicka wrote:
> Hi,
>
> after moving to a new position I have set up a fresh Cygwin installation:
>
> CYGWIN_NT-5.1 sbhc123 1.7.9(0.237/5/3) 2011-03-29 10:10 i686 Cygwin
>
> I use some Emacs extensions which execute external programs using
> (call-process). This used to work on my previous setup, but it fails on
> my current box. The following command run in Emacs reproduces what seems
> to be the problem:
>
> (call-process "bash" nil '(t t) nil "-ic" "ls -al")
> bash: Kann die Prozessgruppe des Terminals nicht setzen (-1).:
> Inappropriate ioctl for device
> bash: Keine Job Steuerung in dieser Shell.
>
> As you can see, my Cygwin also started speaking German, but I didn't get
> round to fix that yet. The messages loosely translate to: "cannot set
> terminal process group" and "no job control in this shell".
>
> Is this an incorrect setup of either Cygwin or Emacs, or is this indeed
> a problem that crept into Cygwin recently?

I can reproduce this problem.  It reminds me of a problem that I reported in

   http://cygwin.com/ml/cygwin/2011-06/msg00174.html ,

but that started with the 2011-05-05 snapshot and was fixed in the 
2011-06-16 snapshot.  The problem you're reporting exists in Cygwin 
1.7.9 and persists in the latest snapshot, but with different symptoms: 
  Instead of printing error messages, emacs hangs and has to be killed.

If one of the Cygwin developers wants to look at this, here are the 
steps to reproduce it:

1. Start emacs.
2. Type <Ctrl-x>b<Enter>

[This should put you in the *scratch* buffer.]

3. Type (or copy and paste) the following text into the *scratch* buffer:

(call-process "bash" nil '(t t) nil "-ic" "ls -al")

4. With the cursor positioned immediately after the closing parenthesis, 
type <Ctrl-j>

Ken

P.S. The other problem you mentioned, that Cygwin started speaking 
German, has already been reported and discussed at length.  See

   http://cygwin.com/ml/cygwin/2011-08/msg00506.html

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