From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Richard Stallman Newsgroups: gmane.emacs.devel Subject: Re: When should ralloc.c be used? (WAS: bug#24358) Date: Mon, 24 Oct 2016 12:55:36 -0400 Message-ID: References: <87twe6sx2g.fsf@users.sourceforge.net> <87eg51ng4r.fsf_-_@users.sourceforge.net> <87k2djwumn.fsf@users.sourceforge.net> <83h98nidvd.fsf@gnu.org> <87eg3rvtsf.fsf@users.sourceforge.net> <83k2dihpm9.fsf@gnu.org> <8760p2wzgj.fsf@users.sourceforge.net> <838ttyhhzu.fsf@gnu.org> <871szqwu51.fsf@users.sourceforge.net> <831szqhbc2.fsf@gnu.org> <87d1itt79z.fsf_-_@users.sourceforge.net> <7baa18d4-2b09-caa8-005e-29008a383ad1@cs.ucla.edu> <83mvhwrgd5.fsf@gnu.org> <8539f38f-9a11-44c3-4de7-bb974c96206c@cs.ucla.edu> <83d1iq5ib1.fsf@gnu.org> Reply-To: rms@gnu.org NNTP-Posting-Host: blaine.gmane.org Content-Type: text/plain; charset=Utf-8 X-Trace: blaine.gmane.org 1477328709 12223 195.159.176.226 (24 Oct 2016 17:05:09 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 24 Oct 2016 17:05:09 +0000 (UTC) Cc: npostavs@users.sourceforge.net, eggert@cs.ucla.edu, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Oct 24 19:05:05 2016 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1byig6-0000sI-Ay for ged-emacs-devel@m.gmane.org; Mon, 24 Oct 2016 19:04:50 +0200 Original-Received: from localhost ([::1]:48288 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1byig8-0005CM-IF for ged-emacs-devel@m.gmane.org; Mon, 24 Oct 2016 13:04:52 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50307) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1byiXI-0002fN-0u for emacs-devel@gnu.org; Mon, 24 Oct 2016 12:55:45 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1byiXD-0001FE-U0 for emacs-devel@gnu.org; Mon, 24 Oct 2016 12:55:44 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:52152) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1byiXB-0001Dh-PE; Mon, 24 Oct 2016 12:55:37 -0400 Original-Received: from rms by fencepost.gnu.org with local (Exim 4.82) (envelope-from ) id 1byiXA-0002OQ-Uj; Mon, 24 Oct 2016 12:55:37 -0400 In-reply-to: <83d1iq5ib1.fsf@gnu.org> (message from Eli Zaretskii on Mon, 24 Oct 2016 10:15:30 +0300) 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: 2.1.21 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" Xref: news.gmane.org gmane.emacs.devel:208730 Archived-At: [[[ To any NSA and FBI agents reading my email: please consider ]]] [[[ whether defending the US Constitution against all enemies, ]]] [[[ foreign or domestic, requires you to follow Snowden's example. ]]] > I think native malloc on GNU/Linux is much better these days; we were > using it all the recent years, until glibc developers removed the > hooks we needed for unexec support (which is why those GNU/Linux > systems where this change is already installed switched to gmalloc and > ralloc instead). Should we talk with them about putting in those hooks or other suitable hooks? Then we could go back to the libc malloc. > It imposes hard-to-fulfill requirements on functions that get C > pointers to buffer text or to Lisp string data: those functions must > never call malloc, directly or indirectly. I think the way to fix those is by systematically looking at the source for them, rather than by debugging. -- Dr Richard Stallman President, Free Software Foundation (gnu.org, fsf.org) Internet Hall-of-Famer (internethalloffame.org) Skype: No way! See stallman.org/skype.html.