From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Using the GNU GMP Library for Bignums in Emacs Date: Sun, 22 Apr 2018 05:43:37 +0300 Message-ID: <831sf8x8o6.fsf@gnu.org> References: <29f933ac-a6bf-8742-66a7-0a9d6d3e5a88@disroot.org> <87k1t05wz4.fsf@metalevel.at> <55776605-8940-0a4a-34fb-f3d1b955ab12@cs.ucla.edu> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1524364929 28657 195.159.176.226 (22 Apr 2018 02:42:09 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 22 Apr 2018 02:42:09 +0000 (UTC) Cc: eggert@cs.ucla.edu, triska@metalevel.at, emacs-devel@gnu.org To: rms@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Apr 22 04:42:05 2018 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 1fA4x0-0007Fb-EF for ged-emacs-devel@m.gmane.org; Sun, 22 Apr 2018 04:42:02 +0200 Original-Received: from localhost ([::1]:41736 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fA4z5-0002Bu-Iy for ged-emacs-devel@m.gmane.org; Sat, 21 Apr 2018 22:44:11 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:41318) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fA4yv-0002BB-P1 for emacs-devel@gnu.org; Sat, 21 Apr 2018 22:44:02 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fA4ys-0008QG-Im for emacs-devel@gnu.org; Sat, 21 Apr 2018 22:44:01 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:42996) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fA4ys-0008Q5-F6; Sat, 21 Apr 2018 22:43:58 -0400 Original-Received: from [176.228.60.248] (port=3085 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1fA4yk-0006T7-Tc; Sat, 21 Apr 2018 22:43:51 -0400 In-reply-to: (message from Richard Stallman on Sat, 21 Apr 2018 18:42:52 -0400) 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:224779 Archived-At: > From: Richard Stallman > Date: Sat, 21 Apr 2018 18:42:52 -0400 > Cc: triska@metalevel.at, emacs-devel@gnu.org > > The only things that might interrupt Lisp code are signals. > If C-g is detected by a signal, it can interrupt almost anything in C, > including computation in a GMP function, We've changed how signals are processed in Emacs several years ago. Nowadays, a signal handler just sets a flag, and the Lisp interpreter tests that flag "when appropriate" (normally, as part of maybe_quit). This change was done to avoid non-trivial processing inside signal handlers.