From owner-freebsd-hackers Wed Apr 3 16: 3:39 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from treetop.robbins.dropbear.id.au (025.a.002.mel.iprimus.net.au [203.134.133.25]) by hub.freebsd.org (Postfix) with ESMTP id 18EBF37B419 for ; Wed, 3 Apr 2002 16:03:32 -0800 (PST) Received: from treetop.robbins.dropbear.id.au (localhost [127.0.0.1]) by treetop.robbins.dropbear.id.au (8.12.2/8.12.2) with ESMTP id g33NtFHD006757; Thu, 4 Apr 2002 09:55:15 +1000 (EST) (envelope-from tim@treetop.robbins.dropbear.id.au) Received: (from tim@localhost) by treetop.robbins.dropbear.id.au (8.12.2/8.12.2/Submit) id g33NtF6D006756; Thu, 4 Apr 2002 09:55:15 +1000 (EST) Date: Thu, 4 Apr 2002 09:55:14 +1000 From: "Tim J. Robbins" To: Ramkumar Chinchani Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Ptracing each other Message-ID: <20020404095514.A6743@treetop.robbins.dropbear.id.au> References: <200204032320.g33NKDo18737@tarantula.cse.Buffalo.EDU> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <200204032320.g33NKDo18737@tarantula.cse.Buffalo.EDU>; from rc27@cse.Buffalo.EDU on Wed, Apr 03, 2002 at 06:20:13PM -0500 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wed, Apr 03, 2002 at 06:20:13PM -0500, Ramkumar Chinchani wrote: > What are the pitfalls in two processes ptracing each other? > > Are there possibilities of deadlocks? Yes. http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/29741 Last time I checked, both -STABLE and -CURRENT are affected by this bug. Tim To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message