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To:	cygwin AT cygwin DOT com
From:	Steve <pooey66 AT sbcglobal DOT net>
Subject:	Re: 1.5.21 Forked background processes
Date:	Tue, 3 Oct 2006 04:09:11 +0000 (UTC)
Lines:	93
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Larry Hall (Cygwin <reply-to-list-only-lh <at> cygwin.com> writes:

> > file1.sh:
> > -----------------------------------------------
> > #!/usr/bin/bash
> > 
> > ./file2.sh &
> > 
> > ------------------------------------------------
> > 
> > file2.sh
> > ------------------------------------------------
> > #!/usr/bin/bash
> > 
> > while [ 1 ]
> > do
> >      val=`echo $val`
> >      val=$((val + 1))
> >      echo $val
> > done
> > ------------------------------------------------

Thanks for your response. I'm still running into this with 1.5.21. The
background process has to be ran from a script, as in the example I provided
above. If you kick the script from the command line, this problem does not
occur. If you run the example above with ./file1.sh, you should see the 
problem. I didn't run into this with DLL version 1.5.18. Here is the bash 
and DLL versions of both:

Problem DLL and Bash versions:

$ bash --version
GNU bash, version 3.1.17(8)-release (i686-pc-cygwin)
Copyright (C) 2005 Free Software Foundation, Inc.

    Cygwin DLL version info:
        DLL version: 1.5.21
        DLL epoch: 19
        DLL bad signal mask: 19005
        DLL old termios: 5
        DLL malloc env: 28
        API major: 0
        API minor: 156
        Shared data: 4
        DLL identifier: cygwin1
        Mount registry: 2
        Cygnus registry name: Cygnus Solutions
        Cygwin registry name: Cygwin
        Program options name: Program Options
        Cygwin mount registry name: mounts v2
        Cygdrive flags: cygdrive flags
        Cygdrive prefix: cygdrive prefix
        Cygdrive default prefix:
        Build date: Sun Jul 30 14:21:47 EDT 2006
        Shared id: cygwin1S4
////////////////////////////////////////////////////
 
No Problem DLL and Bash versions:

$ bash --version
GNU bash, version 3.00.16(11)-release (i686-pc-cygwin)
Copyright (C) 2004 Free Software Foundation, Inc.


    Cygwin DLL version info:
        DLL version: 1.5.18
        DLL epoch: 19
        DLL bad signal mask: 19005
        DLL old termios: 5
        DLL malloc env: 28
        API major: 0
        API minor: 132
        Shared data: 4
        DLL identifier: cygwin1
        Mount registry: 2
        Cygnus registry name: Cygnus Solutions
        Cygwin registry name: Cygwin
        Program options name: Program Options
        Cygwin mount registry name: mounts v2
        Cygdrive flags: cygdrive flags
        Cygdrive prefix: cygdrive prefix
        Cygdrive default prefix:
        Build date: Sat Jul 2 20:30:04 EDT 2005
        Shared id: cygwin1S4
//////////////////////////////////////////////////////

I also tried Bash 3.00.16(11) with DLL version 1.5.21 and still had a
problem. I see this on several machines so it's not isolated to one.

Thanks for your help and any info you can provide,
->Steve




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