From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: David Kastrup Newsgroups: gmane.emacs.devel Subject: Re: busyloop in sigchld_handler Date: Wed, 14 Mar 2007 08:06:09 +0100 Message-ID: <86tzwoxq1q.fsf@lola.quinscape.zz> References: <45F59395.4010708@gnu.org> <45F5A2B4.7090301@gnu.org> <85ejnumf1o.fsf@lola.goethe.zz> <868xe11tzu.fsf@lola.quinscape.zz> <85abyglrbs.fsf@lola.goethe.zz> <85tzwokb4x.fsf@lola.goethe.zz> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1173856001 10444 80.91.229.12 (14 Mar 2007 07:06:41 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Wed, 14 Mar 2007 07:06:41 +0000 (UTC) Cc: Sam Steingold , emacs-devel@gnu.org To: Andreas Schwab Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Mar 14 08:06:35 2007 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 4.50) id 1HRNZA-0007D2-WC for ged-emacs-devel@m.gmane.org; Wed, 14 Mar 2007 08:06:33 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HRNa1-00084c-2L for ged-emacs-devel@m.gmane.org; Wed, 14 Mar 2007 02:07:25 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1HRNZw-0007w8-SJ for emacs-devel@gnu.org; Wed, 14 Mar 2007 03:07:20 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1HRNZu-0007p5-ML for emacs-devel@gnu.org; Wed, 14 Mar 2007 03:07:20 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HRNZu-0007ol-IX for emacs-devel@gnu.org; Wed, 14 Mar 2007 02:07:18 -0500 Original-Received: from pc3.berlin.powerweb.de ([62.67.228.11]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1HRNZ1-0000uI-8l for emacs-devel@gnu.org; Wed, 14 Mar 2007 03:06:24 -0400 Original-Received: from quinscape.de (pd95b0fdb.dip0.t-ipconnect.de [217.91.15.219]) by pc3.berlin.powerweb.de (8.9.3p3/8.9.3) with ESMTP id IAA09272 for ; Wed, 14 Mar 2007 08:06:11 +0100 X-Delivered-To: Original-Received: (qmail 578 invoked from network); 14 Mar 2007 07:06:16 -0000 Original-Received: from unknown (HELO lola.quinscape.zz) ([10.0.3.43]) (envelope-sender ) by ns.quinscape.de (qmail-ldap-1.03) with SMTP for ; 14 Mar 2007 07:06:16 -0000 Original-Received: by lola.quinscape.zz (Postfix, from userid 1001) id A4F31C1600; Wed, 14 Mar 2007 08:06:09 +0100 (CET) In-Reply-To: (Andreas Schwab's message of "Wed\, 14 Mar 2007 00\:17\:29 +0100") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) X-detected-kernel: Linux 2.4-2.6 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:67894 Archived-At: Andreas Schwab writes: > David Kastrup writes: > >> The CPU is claimed by the process with the loop, so no other process >> may actually progress to a state which can be "wait"ed for. > > Of there is no child to be waited for then there is no loop. In order to make sophistics solve the problem, you need to convince the kernel. -- David Kastrup