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Message-ID:	<527102C3.7080104@cwilson.fastmail.fm>
Date:	Wed, 30 Oct 2013 08:59:47 -0400
From:	Charles Wilson <cygwin AT cwilson DOT fastmail DOT fm>
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To:	The Cygwin Mailing List <cygwin AT cygwin DOT com>
Subject:	Re: SIGKILL and TerminateProcess
References:	<5F8AAC04F9616747BC4CC0E803D5907D0C40AFEB AT MLBXv04 DOT nih DOT gov> <20131029172205 DOT GA1433 AT ednor DOT casa DOT cgf DOT cx> <5F8AAC04F9616747BC4CC0E803D5907D0C40B0C6 AT MLBXv04 DOT nih DOT gov> <20131029192154 DOT GB5787 AT ednor DOT casa DOT cgf DOT cx>
In-Reply-To:	<20131029192154.GB5787@ednor.casa.cgf.cx>

On 10/29/2013 3:21 PM, Christopher Faylor wrote:
> On Tue, Oct 29, 2013 at 06:37:46PM +0000, Lavrentiev, Anton (NIH/NLM/NCBI) [C] wrote:
>> CYGWIN lets me access some Windows-specific APIs (the same way one
>> would do by using some UNIX-flavor-specific libraries), without having
>> to port them all to CYGWIN first.  Such code becomes a real problem in
>> pipelining because it cannot be reliably managed from other processes
>> (which would all require modifications to do TerminateProcess tricks
>> throughout; or use the special CYGWIN command-like utility) where just
>> kill(9) would have been sufficient..
>
> To be a broken record: The whole point of Cygwin is to run UNIX based
> programs on Windows.  Asking for the addition of special-case code so
> that people can use Windows functions in their programs completely
> misses the point of this project.
>
> That said, however, the Cygwin "kill" command does have a "-f" option
> which forces the termination of a process if it can't be killed with
> Cygwin's signal mechanism (I added it so that I could kill processes
> that were hung while I was working on Cygwin's signal code).  If it is
> essential that you be able to summarily terminate Windows programs then
> use that.

What cgf said. However, there is a "cygwin" API you could add, which 
allows to programatically do "TerminateProcess" the "correct way" so 
that (cygwin) pipelines and such Do The Right Thing:

http://cygwin.com/ml/cygwin-patches/2009-q4/msg00028.html

Don't know if this will help in your situation, but I figured it should 
be mentioned.

--
Chuck


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