From owner-freebsd-questions@FreeBSD.ORG  Fri Aug 31 18:21:33 2007
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id D921D16A419
	for <freebsd-questions@freebsd.org>;
	Fri, 31 Aug 2007 18:21:33 +0000 (UTC) (envelope-from jaj@hcl-club.lu)
Received: from 0b10111.de (hcl-club.lu [62.75.155.129])
	by mx1.freebsd.org (Postfix) with ESMTP id 9DCD613C491
	for <freebsd-questions@freebsd.org>;
	Fri, 31 Aug 2007 18:21:33 +0000 (UTC) (envelope-from jaj@hcl-club.lu)
Received: from localhost (4be54-4-82-234-154-189.fbx.proxad.net
	[82.234.154.189]) by 0b10111.de (Postfix) with ESMTP id 9F369872C456;
	Fri, 31 Aug 2007 20:21:20 +0200 (CEST)
Date: Fri, 31 Aug 2007 20:21:17 +0200
From: Jona Joachim <jaj@hcl-club.lu>
To: White Hat <pigskin_referee@yahoo.com>
Message-ID: <20070831202117.61abe70f@localhost>
In-Reply-To: <380497.82982.qm@web34407.mail.mud.yahoo.com>
References: <380497.82982.qm@web34407.mail.mud.yahoo.com>
X-Mailer: Claws Mail 2.10.0 (GTK+ 2.10.14; i386-portbld-freebsd6.2)
X-Face: &>dujC`JZV!}?Y^1"%N{x!f+rW};
	PX\_Cg[!|MA~tn3ebIKM|~p=,,U~YJt,Exd`Spk.1Ln
	zg, Q]0=:!/LTs-eg.Fz, @giLyD'D=s,
	L\-AJyZ8tcV`kPifedMA@rhoEikoo~K%@iDLNq2?aHZjIt)
	GqBY7o#9+8j/uuXDVG3`XFEH_4$T%._*%;|vIaP
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Cc: FreeBSD Users Questions <freebsd-questions@freebsd.org>
Subject: Re: Meaning of: kill -USR2
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 31 Aug 2007 18:21:33 -0000

On Fri, 31 Aug 2007 10:24:47 -0700 (PDT)
White Hat <pigskin_referee@yahoo.com> wrote:

> I have seen 'kill -USR2' used in some scripts;
> however, I am unable to find out exactly what it is
> referring to. The man page for 'kill' does not list
> any 'USR2' flag or signal, unless I am reading it
> incorrectly.
> 
> Perhaps, someone can tell me exactly what this signal
> means.

SIGUSR1 and SIGUSR2 are signals that don't have any predefined meaning.
You can use them for based inter-process communication.

See:
man 3 signal
http://en.wikipedia.org/wiki/SIGUSR1_and_SIGUSR2


Jona

-- 
"I am chaos. I am the substance from which your artists and scientists
build rhythms. I am the spirit with which your children and clowns
laugh in happy anarchy. I am chaos. I am alive, and tell you that you
are free." Eris, Goddess Of Chaos, Discord & Confusion