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Date:	Tue, 04 Oct 2011 22:35:45 -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 10/4/2011 10:11 PM, Ken Brown wrote:
> On 9/30/2011 10:27 AM, Markus Hoenicka wrote:
>> 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.
>
> Markus,
>
> Why are you calling bash with the -i option in this context? Your first
> `nil' causes bash's input to come from /dev/null. Does it make sense to
> have an interactive shell with input coming from /dev/null? If you
> remove -i and just run
>
> (call-process "bash" nil '(t t) nil "-c" "ls -al") ,
>
> it works fine with both cygwin 1.7.9 and the latest snapshot.
>
> Maybe there's still a Cygwin bug here; I tested your original command in
> Linux, and it worked. But omitting -i might at least be a workaround for
> you.

Replacing -i by -l also works:

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


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