From: Denis Vlasenko <vda@ilport.com.ua>
To: Willy Tarreau <willy@w.ods.org>
Subject: Re: [RFC] un petite hack: /proc/*/ctl
Date: Tue, 29 Nov 2005 09:26:24 +0200
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Cc: Alexey Dobriyan <adobriyan@gmail.com>, Chris Boot <bootc@bootc.net>,
       linux-kernel@vger.kernel.org
References: <20051129002801.GA9785@mipter.zuzino.mipt.ru> <20051129054819.GR11266@alpha.home.local> <20051129055310.GS11266@alpha.home.local>
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On Tuesday 29 November 2005 07:53, Willy Tarreau wrote:
> On Tue, Nov 29, 2005 at 06:48:19AM +0100, Willy Tarreau wrote:
> > On Tue, Nov 29, 2005 at 04:33:54AM +0300, Alexey Dobriyan wrote:
> > > On Tue, Nov 29, 2005 at 12:23:19AM +0000, Chris Boot wrote:
> > > > On 29 Nov 2005, at 0:28, Alexey Dobriyan wrote:
> > > > >echo kill >/proc/$PID/ctl
> > > > >	send SIGKILL to process
> > > > >
> > > > >echo term >/proc/$PID/ctl
> > > > >	send SIGTERM to process
> >
> > so please don't pollute the list with useless patches that take time
> > to review.
> 
> Sorry, I've just noticed that you marked the subject "[RFC]" and not
> "[PATCH]". Anyway I still find it useless :-)

It's just fits into "Everything is a file" and 
eliminates the need of a kill syscall.

Needs to be complemented with means to do
kill 0 ("All processesin the current process group are signaled"),
kill -1 ("All processes with pid larger than 1 are signaled") and
kill -n ("All processes in process group n are signaled").
--
vda
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