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: Removal of unexec support from glibc malloc Date: Mon, 18 Jan 2016 22:29:55 +0200 Message-ID: <83io2qd41o.fsf@gnu.org> References: <569CDB81.6040600@redhat.com> <569D3BE0.6050103@cs.ucla.edu> <569D4207.4060209@cs.ucla.edu> <83mvs2d5b2.fsf@gnu.org> <858u3meiv1.fsf@iznogoud.viz> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1453149003 15234 80.91.229.3 (18 Jan 2016 20:30:03 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 18 Jan 2016 20:30:03 +0000 (UTC) Cc: fweimer@redhat.com, eggert@cs.ucla.edu, Emacs-devel@gnu.org To: Wolfgang Jenkner Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Jan 18 21:29:58 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 1aLGR4-0008Gh-By for ged-emacs-devel@m.gmane.org; Mon, 18 Jan 2016 21:29:58 +0100 Original-Received: from localhost ([::1]:33568 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLGR3-0004Tc-IA for ged-emacs-devel@m.gmane.org; Mon, 18 Jan 2016 15:29:57 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:48781) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLGQz-0004TL-HQ for Emacs-devel@gnu.org; Mon, 18 Jan 2016 15:29:54 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aLGQw-00040P-Cg for Emacs-devel@gnu.org; Mon, 18 Jan 2016 15:29:53 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:37946) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLGQw-00040L-90; Mon, 18 Jan 2016 15:29:50 -0500 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1632 helo=HOME-C4E4A596F7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1aLGQv-0008OV-CV; Mon, 18 Jan 2016 15:29:49 -0500 In-reply-to: <858u3meiv1.fsf@iznogoud.viz> (message from Wolfgang Jenkner on Mon, 18 Jan 2016 21:24:34 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e 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:198288 Archived-At: > From: Wolfgang Jenkner > Cc: Paul Eggert , fweimer@redhat.com, Emacs-devel@gnu.org > Date: Mon, 18 Jan 2016 21:24:34 +0100 > > On Mon, Jan 18 2016, Eli Zaretskii wrote: > > > There's also what the MS-Windows port does (temacs allocates off a > > static array), which AFAIK is entirely portable, and doesn't require > > mmap. See w32heap.c. > > Isn't hybrid malloc the portable version of this? No, not AFAIU. > A patch series for this already exists (bug##22086), but Paul said > that he wanted to get rid of src/gmalloc.c even for allocations > before dumping, IIUC. The MS-Windows port doesn't use gmalloc.c.