From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "alin.s" Newsgroups: gmane.emacs.devel Subject: Re: Watchpoints for emacs lisp. Date: Wed, 26 May 2010 09:49:23 -0700 (PDT) Message-ID: <28683346.post@talk.nabble.com> References: <28512483.post@talk.nabble.com> <28523705.post@talk.nabble.com> <28567671.post@talk.nabble.com> <28574547.post@talk.nabble.com> <7FA18246-9874-4EC2-AAEB-55B693541C20@mit.edu> <28577522.post@talk.nabble.com> <28585093.post@talk.nabble.com> <28585789.post@talk.nabble.com> <28586371.post@talk.nabble.com> <28587094.post@talk.nabble.com> <28657657.post@talk.nabble.com> <28657973.post@talk.nabble.com> <28678945.post@talk.nabble.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: dough.gmane.org 1274893295 5748 80.91.229.12 (26 May 2010 17:01:35 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 26 May 2010 17:01:35 +0000 (UTC) To: Emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed May 26 19:01:34 2010 connect(): No such file or directory Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1OHJyz-0003Sl-QQ for ged-emacs-devel@m.gmane.org; Wed, 26 May 2010 19:01:30 +0200 Original-Received: from localhost ([127.0.0.1]:47492 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OHJyy-0001Kq-W5 for ged-emacs-devel@m.gmane.org; Wed, 26 May 2010 13:01:29 -0400 Original-Received: from [140.186.70.92] (port=45766 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OHJyn-0001Cm-Uk for Emacs-devel@gnu.org; Wed, 26 May 2010 13:01:18 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OHJnI-0005ve-Vq for Emacs-devel@gnu.org; Wed, 26 May 2010 12:49:25 -0400 Original-Received: from kuber.nabble.com ([216.139.236.158]:54671) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OHJnI-0005vV-PE for Emacs-devel@gnu.org; Wed, 26 May 2010 12:49:24 -0400 Original-Received: from isper.nabble.com ([192.168.236.156]) by kuber.nabble.com with esmtp (Exim 4.63) (envelope-from ) id 1OHJnH-0003TI-Jj for Emacs-devel@gnu.org; Wed, 26 May 2010 09:49:23 -0700 In-Reply-To: X-Nabble-From: alinsoar@voila.fr X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:125285 Archived-At: Stefan Monnier wrote: > >>>> In which cases the access to this shared resource is concurrent? >>> If you build without -DSYNC_INPUT, Emacs may call malloc from >>> asynchronous signal handlers (yes, it's usually considered as a no-no in >>> Unix programming, which is why we have switched to SYNC_INPUT). >> In which situation it is useful to create new symbols in signal handlers >> ? > > Without -DSYNC_INPUT we run a whole lot of code within the signal > handlers, so whether that code can create symbols or not, I don't know, > but figuring it out is difficult. Hence -DSYNC_INPUT. > > > Thanks. -- View this message in context: http://old.nabble.com/Watchpoints-for-emacs-lisp.-tp28512483p28683346.html Sent from the Emacs - Dev mailing list archive at Nabble.com.