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: busyloop in sigchld_handler Date: Wed, 14 Mar 2007 00:17:29 +0100 Message-ID: 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=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: sea.gmane.org 1173827891 9641 80.91.229.12 (13 Mar 2007 23:18:11 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Tue, 13 Mar 2007 23:18:11 +0000 (UTC) Cc: Sam Steingold , emacs-devel@gnu.org To: David Kastrup Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Mar 14 00:18:00 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 1HRGFf-000677-R0 for ged-emacs-devel@m.gmane.org; Wed, 14 Mar 2007 00:17:56 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HRGGU-0006U4-Ci for ged-emacs-devel@m.gmane.org; Tue, 13 Mar 2007 18:18:46 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1HRGGR-0006Tj-DT for emacs-devel@gnu.org; Tue, 13 Mar 2007 19:18:43 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1HRGGP-0006TU-Pi for emacs-devel@gnu.org; Tue, 13 Mar 2007 19:18:42 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HRGGP-0006TR-Jm for emacs-devel@gnu.org; Tue, 13 Mar 2007 18:18:41 -0500 Original-Received: from cantor2.suse.de ([195.135.220.15] helo=mx2.suse.de) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1HRGFS-0006IN-Ou; Tue, 13 Mar 2007 19:17:43 -0400 Original-Received: from Relay2.suse.de (mail2.suse.de [195.135.221.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx2.suse.de (Postfix) with ESMTP id F07E3210A8; Wed, 14 Mar 2007 00:17:40 +0100 (CET) X-Yow: Is it clean in other dimensions? In-Reply-To: <85tzwokb4x.fsf@lola.goethe.zz> (David Kastrup's message of "Tue, 13 Mar 2007 23:54:22 +0100") User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.91 (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:67878 Archived-At: 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. Andreas. --=20 Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux Products GmbH, Maxfeldstra=DFe 5, 90409 N=FCrnberg, Germany PGP key fingerprint =3D 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED= 5 "And now for something completely different."