bash, dircolors, setsid and a stackdump

Fri Jan 23 04:05:00 GMT 2004

On 2004年1月22日, David Rothenberger wrote:
> Rafael Kitover wrote:
>> > I would dearly love to know how you get those lovely line numbers in the
> > stackdump :)
>> I used the unstripped DLL from my CVS build and then used addr2line on
> each function address in the stacktrace, specifying the DLL as the
> executable. I.e.,
>> addr2line -e /bin/cygwin1.dll <ADDRESS>
>> I don't know whether it's necessary to be running the unstripped DLL when
> the stacktrace is generated, but I was.

It is. If you think about it, it's rather obvious... If you run one DLL
and then use another as the executable for addr2line, the addresses are
all going to be different.
> I have since discovered that while dircolors does cause the stackdump, the
> problem is not dircolors. With that line commented from /etc/profile, I
> don't get a stackdump but the script does not complete its execution.

Hmm... Note that to use the dircolors file, one needs to do a back-quote
substitution. Just an observation.
	Igor
> I determined this by executing the script
>> ---begin script---
> #!/bin/sh
> echo foo > t
> sleep 10
> ---end script---
>> and noting that t was created but of zero length.
>> Dave

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