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Date: Sun, 16 Feb 2014 12:15:53 -0500
From: Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: ps shows same process more than once
Message-ID: <20140216171553.GA4830@ednor.casa.cgf.cx>
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On Sat, Feb 15, 2014 at 11:12:48AM +0800, George M. Florendo wrote:
>On 12/28/13, Christopher Faylor wrote:
>>>>> Oops.  Sorry.  Just noticed that the pids weren't "different".  There
>>>>> are still pathological situations where a pid can show up twice when
>>>>> doing a "ps -W".  I've seen the issue before but fixing it would
>>>>> involve
>>>>> a global process lock which would slow down Cygwin for the benefit of
>>>>> a more accurate "ps -W".
>>>>
>>>>Oh, I'm sorry too.  Didn't get to read your first sentence earlier.
>>>>I'd rather have a faster cygwin more than a more accurate "ps -W".
>>>>
>>>>Thanks for all your help.
>>>
>>>Thanks for understanding.  I will try to revisit this code sometime in
>>>the near future to see if I can do something about this case.  I had a
>>>glimmer of an idea about how to fix this in the thinking room recently.
>>
>> This problem should be fixed in the latest snapshot.
>
>Thanks a lot cgf.  Checked the latest snaphshot.   ps -W still shows
>the same process (with same PID) twice, while ps aux shows it only
>once.  Here, please look at process 5952:

I've put up another snapshot which causes the same cygwin pid to be
listed twice with two different WINPIDs which can happen when a cygwin
process is started by a windows process and then execs another process.

Please try it and try to let me know if it works in less than 1.5
months.

cgf

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