From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.devel Subject: Re: Pseudovectors initialization Date: Wed, 27 Jun 2012 23:31:42 +0200 Message-ID: References: <4FE9643E.6080004@yandex.ru> <4FEB422C.7070803@yandex.ru> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1340832715 25399 80.91.229.3 (27 Jun 2012 21:31:55 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 27 Jun 2012 21:31:55 +0000 (UTC) Cc: Dan Nicolaescu , Dmitry Antipov , Emacs development discussions To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Jun 27 23:31:54 2012 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 1Sjzq4-0007JE-97 for ged-emacs-devel@m.gmane.org; Wed, 27 Jun 2012 23:31:52 +0200 Original-Received: from localhost ([::1]:38541 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Sjzq4-0007Ox-8R for ged-emacs-devel@m.gmane.org; Wed, 27 Jun 2012 17:31:52 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:51272) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Sjzq2-0007OX-2e for emacs-devel@gnu.org; Wed, 27 Jun 2012 17:31:51 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Sjzq0-0008ND-E6 for emacs-devel@gnu.org; Wed, 27 Jun 2012 17:31:49 -0400 Original-Received: from mail-out.m-online.net ([212.18.0.10]:34279) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Sjzpx-0008Lh-V1; Wed, 27 Jun 2012 17:31:46 -0400 Original-Received: from frontend4.mail.m-online.net (unknown [192.168.8.183]) by mail-out.m-online.net (Postfix) with ESMTP id 3WMy4S6HCgz3hhW9; Wed, 27 Jun 2012 23:31:52 +0200 (CEST) Original-Received: from igel.home (ppp-88-217-99-69.dynamic.mnet-online.de [88.217.99.69]) by mail.mnet-online.de (Postfix) with ESMTPA id 3WMy4H2CRyzbbyY; Wed, 27 Jun 2012 23:31:43 +0200 (CEST) Original-Received: by igel.home (Postfix, from userid 501) id E837BCA2A5; Wed, 27 Jun 2012 23:31:42 +0200 (CEST) X-Yow: All right, you degenerates! I want this place evacuated in 20 seconds! In-Reply-To: (Stefan Monnier's message of "Wed, 27 Jun 2012 17:22:49 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-Received-From: 212.18.0.10 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:151241 Archived-At: Stefan Monnier writes: > There's another exception: slots which are of type Lisp_Object but are > not traced normally by the GC (i.e. are placed in the "non-Lisp" part of the > pseudo-vector). The key-value pairs of hash tables are such an example. They need to be handled specially by GC due to weak hash tables. > They're rare, tho (maybe the buffer's undo-log is one of them). Buffers are not pseudovectors, though. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."