From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Using pread Date: Fri, 01 Feb 2013 12:33:36 +0200 Message-ID: <83622ccohr.fsf@gnu.org> References: <510B7751.6020905@yandex.ru> <510B7A5A.6060801@cs.ucla.edu> <510B7E13.3040402@yandex.ru> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1359752166 15208 80.91.229.3 (1 Feb 2013 20:56:06 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 1 Feb 2013 20:56:06 +0000 (UTC) Cc: eggert@cs.ucla.edu, emacs-devel@gnu.org To: Dmitry Antipov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Feb 01 21:56:24 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 1U1Neq-00015M-In for ged-emacs-devel@m.gmane.org; Fri, 01 Feb 2013 21:56:24 +0100 Original-Received: from localhost ([::1]:44512 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U1NeY-0003cc-Fs for ged-emacs-devel@m.gmane.org; Fri, 01 Feb 2013 15:56:06 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:50938) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U1NdT-0003Qv-18 for emacs-devel@gnu.org; Fri, 01 Feb 2013 15:56:05 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1U1NZx-0001lI-4V for emacs-devel@gnu.org; Fri, 01 Feb 2013 15:54:58 -0500 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:57498) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U1DwI-0001OX-Hc for emacs-devel@gnu.org; Fri, 01 Feb 2013 05:33:46 -0500 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0MHJ00500E900Y00@a-mtaout22.012.net.il> for emacs-devel@gnu.org; Fri, 01 Feb 2013 12:33:44 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MHJ00428EO8M8D0@a-mtaout22.012.net.il>; Fri, 01 Feb 2013 12:33:44 +0200 (IST) In-reply-to: <510B7E13.3040402@yandex.ru> X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 X-Received-From: 80.179.55.172 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:156774 Archived-At: > Date: Fri, 01 Feb 2013 12:34:27 +0400 > From: Dmitry Antipov > Cc: Emacs development discussions > > On 02/01/2013 12:18 PM, Paul Eggert wrote: > > > A few systems lack pread (HP-UX 10, mingw, MSVC 9, BeOS) > > but there's a gnulib module for it so the mainline Emacs > > code should be able to assume pread. > > IMHO it's worth using at least for some bits in fileio.c. Any numbers to back that up? IOW, in what sense is this an "optimization"?