From owner-freebsd-hackers Sat Jul 3 22:58:40 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from allegro.lemis.com (allegro.lemis.com [192.109.197.134]) by hub.freebsd.org (Postfix) with ESMTP id D870014C01 for ; Sat, 3 Jul 1999 22:58:34 -0700 (PDT) (envelope-from grog@freebie.lemis.com) Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by allegro.lemis.com (8.9.1/8.9.0) with ESMTP id PAA19584; Sun, 4 Jul 1999 15:28:31 +0930 (CST) Received: (from grog@localhost) by freebie.lemis.com (8.9.3/8.9.0) id PAA10442; Sun, 4 Jul 1999 15:28:29 +0930 (CST) Date: Sun, 4 Jul 1999 15:28:29 +0930 From: Greg Lehey To: Jonathan Lemon Cc: Peter Wemm , "Brian F. Feldman" , wayne@crb-web.com, hackers@FreeBSD.ORG Subject: Re: poll() vs select() Message-ID: <19990704152829.W709@freebie.lemis.com> References: <19990704040435.35CD464@overcee.netplex.com.au> <19990703231029.08379@right.PCS> <19990704135128.U709@freebie.lemis.com> <19990703233119.17254@right.PCS> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.4i In-Reply-To: <19990703233119.17254@right.PCS>; from Jonathan Lemon on Sat, Jul 03, 1999 at 11:31:20PM -0500 WWW-Home-Page: http://www.lemis.com/~grog X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Saturday, 3 July 1999 at 23:31:20 -0500, Jonathan Lemon wrote: > On Jul 07, 1999 at 01:51:28PM +0930, Greg Lehey wrote: >> On Saturday, 3 July 1999 at 23:10:29 -0500, Jonathan Lemon wrote: >>> On Jul 07, 1999 at 12:04:35PM +0800, Peter Wemm wrote: >>>> Is there interest in doing something like this in general? >>> >>> YES! As a matter of fact, I've done something similar to this already, >>> but instead of a queue, it's a variant of poll which passes in and out >>> "change lists"; a list of fd's which have had status changes since the >>> last call. I've been trying to bring it up for discussion on the -arch >>> list, but it's been dead. (I think it was just fixed recently). >> >> Did you see the presentation "A scalable and explicit event delivery >> mechanism for UNIX" at USENIX? It sounded quite interesting. Page >> 253 of the proceedings. > > Is this the paper by Mogul, et al? Yes, this is the one. > I didn't make it to USENIX, and don't have the proceedings at hand, > but my implementation is fairly similar to a series of papers that > Jeff Mogul has produced regarding web scalability. Good. I thought the paper (presented by Gaurav Banga) was quite interesting, but I wasn't convinced it was the only way to do it. Unfortunately, I haven't found time to look at it in more detail. Greg -- See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message