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Date: Thu, 10 Aug 2006 09:24:13 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: system() call returns 127 in windows xp
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On Aug  9 18:24, Larry Hall (Cygwin) wrote:
> Jeff Lu wrote:
> >I ran into a brick wall and could not find anything on
> >the web and on the post to resolve the problem I'm
> >having, which is a strange one. 
> > 
> >I have a C program that call system("ls -la >
> >dir.txt") that works fine within bash cygwin.  It also
> >has been working on the computers running windows xp
> >without cygwin installed (only required dlls were
> >copied to it).
> > 
> >For some reason the program is giving me error 127
> >when calling system() on the new machines running
> >windows xp without cygwin installed.  I have tried
> >everything I could think of but nothing seems to work.
> > I have mouted the drive in the registry as follow
> > 
> >mounts v2
> >cygdrive flags  REG_DWORD  0x00000022(34)
> >cygdrive prefix REG_SZ           /cygdrive
> > 
> >   /c
> >   flags            REG_DWORD  0x0000000a(10)
> >   native          REG_SZ           c:
> 
> 
> That's not enough for Cygwin to work.  You should add mount
> points for '/usr/bin', '/usr/lib', and '/'.  Also check if
> the paths to 'cygwin1.dll' and 'ls.exe' are set.  I'd think
> some form of both of these would be necessary to make this
> stuff work for you on any system.

Exit status 127 means that system didn't find /bin/sh.  See
http://www.opengroup.org/onlinepubs/009695399/functions/system.html


Corinna

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

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