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Date: Thu, 18 Dec 2014 18:56:40 +0100
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Subject: Re: ps questions
From: BGINFO4X <bginfo4x AT kztsoftware DOT com>
To: cygwin AT cygwin DOT com
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2014-12-18 18:11 GMT+01:00 Corinna Vinschen <corinna-cygwin AT cygwin DOT com>:
> On Dec 18 17:57, BGINFO4X wrote:
>> 2014-12-18 16:08 GMT+01:00 Marco Atzeri <marco DOT atzeri AT gmail DOT 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.
>

Hello again, forgive me if this is stupid:

If any cygwin process has the values
cwd=/proc/$PID
root=/

Instead of fetching the information, you can "hardcode" the values. Isn't it?

Thanks.


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

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