ps questions

Corinna Vinschen corinna-cygwin@cygwin.com
Thu Dec 18 17:11:00 GMT 2014


On Dec 18 17:57, BGINFO4X wrote:
> 2014-12-18 16:08 GMT+01:00 Marco Atzeri <marco.atzeri@gmail.com>:
> >
> >
> > On 12/18/2014 3:52 PM, Kizito Porta Balanyà wrote:
> >>
> >> Hello,
> >>
> >> I can't find where "ps -W" is coded in the procps source files. Is it
> >> there ? is it in cygwin.dll? What are you doing "internally" with the
> >> -W option?
> >>
> >> Another question related is: It is possible to map windows processes
> >> to the /proc filysystem. Any way or hint?

Not without writing lots of new code.  Also, some of the files don't
make sense or can't be filled.

> >> Thanks a lot for your time and thanks for the other answered questions.
> >>
> >> Regards.
> >>
> >
> > ps is part of the cygwin package
> 
> Yes, you are right, I was confused with the procps package.
> 
> Another question:
> When I execute a windows program, in the /proc table of the process,
> the cwd and root are <defunct> , is this correct? is it a bug?
> 
> For example, if I launch notepad & : /proc/4422 :
> 
> cwd -> <defunct>
> root -> <defunct>
> exe -> is OK.  /cygdrive/c/WINDOWS/system32/notepad
> 
> This only happens with the native windows aplications.
> Cygwin applications have correct values in cwd and root.

The <defunct> information is fetched from the process itself.  This
requires a living, valid Cygwin process, so the info isn't available for
Windows processes.


Corinna

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