From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#12450: Remove configure's --without-sync-input option. Date: Sun, 16 Sep 2012 11:24:02 +0300 Message-ID: <838vcas7dp.fsf@gnu.org> References: <50543449.1070306@cs.ucla.edu> <83k3vvtyw0.fsf@gnu.org> <5054551A.1070207@cs.ucla.edu> <837grvtuo5.fsf@gnu.org> <5054DE30.1020806@cs.ucla.edu> <83fw6iscip.fsf@gnu.org> <5055842D.7070407@cs.ucla.edu> <83boh6s87w.fsf@gnu.org> <50558B1D.3010304@cs.ucla.edu> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1347783902 14423 80.91.229.3 (16 Sep 2012 08:25:02 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 16 Sep 2012 08:25:02 +0000 (UTC) Cc: lekktu@gmail.com, rms@gnu.org, 12450@debbugs.gnu.org To: Paul Eggert Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Sep 16 10:25:04 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1TDAA3-0004zk-Fr for geb-bug-gnu-emacs@m.gmane.org; Sun, 16 Sep 2012 10:25:03 +0200 Original-Received: from localhost ([::1]:48942 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TDA9y-0006hp-Tr for geb-bug-gnu-emacs@m.gmane.org; Sun, 16 Sep 2012 04:24:58 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:59973) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TDA9v-0006hY-LT for bug-gnu-emacs@gnu.org; Sun, 16 Sep 2012 04:24:56 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TDA9u-0007jD-K7 for bug-gnu-emacs@gnu.org; Sun, 16 Sep 2012 04:24:55 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:55070) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TDA9u-0007j9-Gn for bug-gnu-emacs@gnu.org; Sun, 16 Sep 2012 04:24:54 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1TDAAz-0005hW-Q0 for bug-gnu-emacs@gnu.org; Sun, 16 Sep 2012 04:26:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 16 Sep 2012 08:26:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 12450 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 12450-submit@debbugs.gnu.org id=B12450.134778393821884 (code B ref 12450); Sun, 16 Sep 2012 08:26:01 +0000 Original-Received: (at 12450) by debbugs.gnu.org; 16 Sep 2012 08:25:38 +0000 Original-Received: from localhost ([127.0.0.1]:36383 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TDAAb-0005gv-Kn for submit@debbugs.gnu.org; Sun, 16 Sep 2012 04:25:37 -0400 Original-Received: from mtaout23.012.net.il ([80.179.55.175]:58457) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TDAAZ-0005gn-GJ for 12450@debbugs.gnu.org; Sun, 16 Sep 2012 04:25:36 -0400 Original-Received: from conversion-daemon.a-mtaout23.012.net.il by a-mtaout23.012.net.il (HyperSendmail v2007.08) id <0MAF00L00OM7F400@a-mtaout23.012.net.il> for 12450@debbugs.gnu.org; Sun, 16 Sep 2012 11:23:59 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout23.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MAF00LDOONY6JE0@a-mtaout23.012.net.il>; Sun, 16 Sep 2012 11:23:59 +0300 (IDT) In-reply-to: <50558B1D.3010304@cs.ucla.edu> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:64400 Archived-At: > Date: Sun, 16 Sep 2012 01:17:33 -0700 > From: Paul Eggert > CC: rms@gnu.org, 12450@debbugs.gnu.org, lekktu@gmail.com > > On 09/16/2012 01:05 AM, Eli Zaretskii wrote: > > >> No, it is not used indirectly. emacs_blocked_malloc is the only > >> function that uses malloc_hysteresis to set __malloc_extra_blocks. > >> And emacs_blocked_malloc is invoked only in the non-SYNC_INPUT code. > > > > Which means that gmalloc.c, and any memory allocation based on that, > > will work differently with that function removed > > No, because the function is never invoked, if we assume SYNC_INPUT. Yes, it _is_ invoked on platforms that don't use SYNC_INPUT now. And in addition, we cannot be sure whether its non-invocation on SYNC_INPUT platforms isn't a simple omission, because most Posix platforms use neither gmalloc nor ralloc.c. So, when SYNC_INPUT was coded, it's quite possible that assignment to __malloc_extra_blocks was omitted by mistake that never got revealed.