From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alain Schneble Newsgroups: gmane.emacs.devel Subject: Re: Asynchronous DNS Date: Mon, 8 Feb 2016 12:55:21 +0100 Message-ID: <86wpqfl8ly.fsf@realize.ch> References: <87si1gx6wz.fsf@gnus.org> <86y4b5zvzt.fsf@gmail.com> <8760y9kwrk.fsf@gnus.org> <8760y7nag7.fsf@gnus.org> <83oabzzsjq.fsf@gnu.org> <87fuxazkfe.fsf@gnus.org> <83io25yeqk.fsf@gnu.org> <87h9hpnreg.fsf@gnus.org> <83y4b0wi7m.fsf@gnu.org> <87si17evk6.fsf@gnus.org> <83twlnvcz2.fsf@gnu.org> <87vb63obm3.fsf@gnus.org> <87r3gqmg6g.fsf@gnus.org> <83egcqtfnm.fsf@gnu.org> <86mvrdmk8p.fsf@realize.ch> <877fihjo4m.fsf@gnus.org> <86io20n3xn.fsf@realize.ch> <8760y055l1.fsf@gnus.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1454932602 14828 80.91.229.3 (8 Feb 2016 11:56:42 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 8 Feb 2016 11:56:42 +0000 (UTC) Cc: Lars Ingebrigtsen , Eli Zaretskii , emacs-devel@gnu.org To: Andreas Schwab Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Feb 08 12:56:42 2016 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 1aSkQr-000889-4C for ged-emacs-devel@m.gmane.org; Mon, 08 Feb 2016 12:56:41 +0100 Original-Received: from localhost ([::1]:43905 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aSkQq-0007Ep-Ib for ged-emacs-devel@m.gmane.org; Mon, 08 Feb 2016 06:56:40 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46907) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aSkQX-00078h-A5 for emacs-devel@gnu.org; Mon, 08 Feb 2016 06:56:25 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aSkQS-0003LY-9I for emacs-devel@gnu.org; Mon, 08 Feb 2016 06:56:21 -0500 Original-Received: from clientmail.realize.ch ([46.140.89.53]:2144) by eggs.gnu.org with smtp (Exim 4.71) (envelope-from ) id 1aSkQR-0003Js-Uf; Mon, 08 Feb 2016 06:56:16 -0500 Original-Received: from rintintin.hq.realize.ch.lan.rit ([192.168.0.105]) by clientmail.realize.ch ; Mon, 8 Feb 2016 12:55:58 +0100 Original-Received: from MYNGB (192.168.250.224) by rintintin.hq.realize.ch.lan.rit (192.168.0.105) with Microsoft SMTP Server (TLS) id 15.0.516.32; Mon, 8 Feb 2016 12:55:21 +0100 In-Reply-To: (Andreas Schwab's message of "Mon, 08 Feb 2016 11:43:43 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (windows-nt) X-ClientProxiedBy: rintintin.hq.realize.ch.lan.rit (192.168.0.105) To rintintin.hq.realize.ch.lan.rit (192.168.0.105) X-detected-operating-system: by eggs.gnu.org: Windows NT kernel [generic] X-Received-From: 46.140.89.53 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:199500 Archived-At: Andreas Schwab writes: > Lars Ingebrigtsen writes: > >> It would be better if the application code didn't have to care, but that >> means that either all those functions will have to block (getting us >> back to square one, basically), or they'll have to set up a queue of >> pending actions to be taken, which I think is rather too ambitious. > > There's still the benefit of blocking in the Emacs event loop instead of > a system call, with the former Emacs can still run other process > filters. That sounds interesting, but would it really be feasible to call out to the event loop while in the blocking call? I doubt so. My understanding was that calls to this new blocking function e.g. in `set-process-coding-system' would really block the thread e.g. by a call to gai_suspend. Or didn't you refer to this "blocking function concept" in your remark?