From owner-freebsd-threads@FreeBSD.ORG Mon Jun 21 05:29:03 2004 Return-Path: Delivered-To: freebsd-threads@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0104416A4CE for ; Mon, 21 Jun 2004 05:29:03 +0000 (GMT) Received: from et.endace.com (et.endace.com [219.88.101.154]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3EEC643D46 for ; Mon, 21 Jun 2004 05:29:02 +0000 (GMT) (envelope-from koryn@endace.com) Received: from prefect.et.endace.com (prefect.et.endace.com [192.168.64.24]) by et.endace.com (8.12.11/8.12.11) with ESMTP id i5L5T0DV008317 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NOT); Mon, 21 Jun 2004 17:29:00 +1200 (NZST) Date: Mon, 21 Jun 2004 17:26:30 +1200 (NZST) From: Koryn Grant X-X-Sender: koryn@prefect.et.endace.com To: Sean McNeil In-Reply-To: <1087794678.46146.4.camel@server.mcneil.com> Message-ID: References: <1087794678.46146.4.camel@server.mcneil.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanned-By: milter-gris/0.1.14 (et.endace.com [192.168.64.254]); Mon, 21 Jun 2004 17:29:00 +1200 X-Virus-Scanned: clamd / ClamAV version devel-20040611, clamav-milter version 0.72a on et.endace.com X-Virus-Status: Clean cc: freebsd-threads@freebsd.org Subject: Re: kill(pid,0) sends a signal or not? X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Jun 2004 05:29:03 -0000 On Sun, 20 Jun 2004, Sean McNeil wrote: > Any info on how threads are suppose to behave when a process does a > kill(pid,0) would be greatly appreciated. The Single Unix Specification speaks thusly about kill(): "If sig is 0 (the null signal), error checking is performed but no signal is actually sent. The null signal can be used to check the validity of pid." Cheers, Koryn