From owner-freebsd-current@FreeBSD.ORG Fri Jan 4 09:51:43 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A382016A417 for ; Fri, 4 Jan 2008 09:51:43 +0000 (UTC) (envelope-from peterjeremy@optushome.com.au) Received: from mail03.syd.optusnet.com.au (mail03.syd.optusnet.com.au [211.29.132.184]) by mx1.freebsd.org (Postfix) with ESMTP id 3B32013C4E3 for ; Fri, 4 Jan 2008 09:51:43 +0000 (UTC) (envelope-from peterjeremy@optushome.com.au) Received: from server.vk2pj.dyndns.org (c220-239-20-82.belrs4.nsw.optusnet.com.au [220.239.20.82]) by mail03.syd.optusnet.com.au (8.13.1/8.13.1) with ESMTP id m049pX9b011833 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 4 Jan 2008 20:51:34 +1100 Received: from server.vk2pj.dyndns.org (localhost.vk2pj.dyndns.org [127.0.0.1]) by server.vk2pj.dyndns.org (8.14.2/8.14.1) with ESMTP id m049pXDl056087; Fri, 4 Jan 2008 20:51:33 +1100 (EST) (envelope-from peter@server.vk2pj.dyndns.org) Received: (from peter@localhost) by server.vk2pj.dyndns.org (8.14.2/8.14.2/Submit) id m049pWWq056086; Fri, 4 Jan 2008 20:51:32 +1100 (EST) (envelope-from peter) Date: Fri, 4 Jan 2008 20:51:32 +1100 From: Peter Jeremy To: Ian FREISLICH Message-ID: <20080104095132.GC947@server.vk2pj.dyndns.org> References: <20080104002002.L30578@fledge.watson.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="GV0iVqYguTV4Q9ER" Content-Disposition: inline In-Reply-To: X-PGP-Key: http://members.optusnet.com.au/peterjeremy/pubkey.asc User-Agent: Mutt/1.5.17 (2007-11-01) Cc: freebsd-current@freebsd.org Subject: Re: sbrk(2) broken X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Jan 2008 09:51:43 -0000 --GV0iVqYguTV4Q9ER Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jan 04, 2008 at 08:27:41AM +0200, Ian FREISLICH wrote: >I have long lived processes that continuously handle very valuable >data and potentially get very large (several GB). I'd like that >process to be able to make a rational decision about what happens to its >memory contents when an allocation fails rather than having the >proverbial rug pulled out from under it. Rug pulling at any point=20 >can cost an annual salary or two. If you google for freebsd+sigdanger, you will find that this topic was first discussed nearly 10 years ago. Unfortunately, no progress appears to have been made, though it crops up every few years. --=20 Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. --GV0iVqYguTV4Q9ER Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFHfgGk/opHv/APuIcRAq5uAKCRVg6oSCk3pAtapDSsyL437xaQnwCfZrH3 wtY4Xm0mGdNFTsBVK/OzQsY= =hte+ -----END PGP SIGNATURE----- --GV0iVqYguTV4Q9ER--