From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Lars Magne Ingebrigtsen Newsgroups: gmane.emacs.devel Subject: Re: Determining whether a TCP connection is up Date: Mon, 12 Aug 2013 19:09:49 +0200 Message-ID: References: <87txj64vbx.fsf@dex.adm.naquadah.org> <878v0g1l55.fsf@dex.adm.naquadah.org> <87zjsvxkur.fsf@dex.adm.naquadah.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1376327420 31510 80.91.229.3 (12 Aug 2013 17:10:20 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 12 Aug 2013 17:10:20 +0000 (UTC) Cc: emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Aug 12 19:10:22 2013 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1V8vdO-0001CE-0N for ged-emacs-devel@m.gmane.org; Mon, 12 Aug 2013 19:10:22 +0200 Original-Received: from localhost ([::1]:55198 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V8vdN-0005NM-Ht for ged-emacs-devel@m.gmane.org; Mon, 12 Aug 2013 13:10:21 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60773) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V8vdD-00058P-9P for emacs-devel@gnu.org; Mon, 12 Aug 2013 13:10:16 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V8vd3-0006rv-TG for emacs-devel@gnu.org; Mon, 12 Aug 2013 13:10:11 -0400 Original-Received: from hermes.netfonds.no ([80.91.224.195]:41986) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V8vd3-0006ne-Mh for emacs-devel@gnu.org; Mon, 12 Aug 2013 13:10:01 -0400 Original-Received: from cm-84.215.51.58.getinternet.no ([84.215.51.58] helo=stories.gnus.org) by hermes.netfonds.no with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1V8vcr-0002zj-RA; Mon, 12 Aug 2013 19:09:49 +0200 Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAJFBMVEW7O4rGnqjDK37o19u8 SpnFJGPBY5rPuLvHMH+fG0rBQpNqCBo/ihWRAAACQElEQVQ4jXXTv2vbQBQH8KOkoc3Uo8EmeAma 3G5CJaaZOhymdZe6oNgiS03FhTaLjUBHxxiSCE0uRKaHlxpCcW5KIQmI98/13Z0k/2j7QIs+fu97 Pyzy2Pf9IPODfmKKkB2lGGtzkmnwKxiTnRvIAbYNSHxKaKY3M4CZhaxbW8K+Uj9Zh1nA54d97zgI SgOGB1L6MrMw1sDC0IA01S8gVeqaMQ2BhcyOIsSM6iAcQ17C2Bk/MqBMRy6X4JgddpTSGXpdH52m hn2yCY7T/EUprdX4J7XecVGPPFMHypSFIDvyymqtw6VtGD733AIyA/eX9ueNz9WoAnrCzvE2O3pC FOHuy7WMXvnec7/+B1qHK3B83xVCVHD9bzhYHeVjeDHM3YB61fFqBXy/S6lpEZ57uA6zAR2IKFrC kyTpIxzJAcVpWLuvt5i+87f6qs/7F9yGiBiGd0sYJ2c6A1PEEBoPXANeVqoWBWDHN2jc8ZCFGrDS Od5rHZel4Ypj4SgjGvQoF2FSQJpW4K2DUgs1H+n3XhQPYY8UkCRqkc6FzY5j2MOMMMSdJ0mKYFbb iuIRnCKYP7WPhMu1+0b4cttmBWCd2VVpeDfBb5MbwI/uN7USU4CrcIuFBgDgwUL0TJwCZrRtRzCD jEuJDrl4D1NcFSkz9DgDu7P8Q5sz7EjOfdtki+QZafMQN4hHixdSwRSk/F7DVTHO9CEmzgv83CaE bJ/C7cmIUnMuGMbKIuafUh8VoA/B1tMTWuNTIf6CN5hBBkL8ASKmz2tc7rFNAAAAAElFTkSuQmCC X-Now-Playing: The Cure's _Three Imaginary Boys (1)_: "Meathook" X-Hashcash: 1:23:130812:emacs-devel@gnu.org::DRwz+Gh5RbsKKl8C:000000000000000000000000000000000000000000Hng9 X-Hashcash: 1:23:130812:monnier@iro.umontreal.ca::axLq7JHU4DDi0Skk:0000000000000000000000000000000000000iLMQ In-Reply-To: (Stefan Monnier's message of "Tue, 06 Aug 2013 17:32:26 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-MailScanner-ID: 1V8vcr-0002zj-RA MailScanner-NULL-Check: 1376932190.20574@GlT5cug66lD458tTrEbOAw X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.224.195 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:162635 Archived-At: Stefan Monnier writes: > Another option is to kill connections after some time of inactivity, > rather than leave them open and suffer a timeout next time we need to > use it. Yes. But it's not very nice for the servers. NNTP and IMAP servers do the access control stuff upon connection, which can be resource-intensive. The earliest version of the ... Mozilla? or whatever they were called at the time? (I think) ... news reader famously was written in a connection-less method which made a news connection for every action it made. It DDoS-ed several NNTP servers. Not that Gnus would have that effect. >"? -- (domestic pets only, the antidote for overdose, milk.) No Gnus T-Shirt for sale: http://ingebrigtsen.no/no.php and http://lars.ingebrigtsen.no/2013/08/twenty-years-of-september.html