From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: proced: ppid of process ID 0 can be 0 Date: Wed, 24 Dec 2008 06:15:40 +0200 Message-ID: References: <18765.19040.568030.246241@tfkp04.physik.uni-erlangen.de> <18765.29820.997276.703222@tfkp04.physik.uni-erlangen.de> <18765.51840.943986.608296@tfkp04.physik.uni-erlangen.de> Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: ger.gmane.org 1230092180 24166 80.91.229.12 (24 Dec 2008 04:16:20 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 24 Dec 2008 04:16:20 +0000 (UTC) Cc: lekktu@gmail.com, emacs-devel@gnu.org, Roland.Winkler@physik.uni-erlangen.de To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Dec 24 05:17:26 2008 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 1LFLBQ-0006On-IS for ged-emacs-devel@m.gmane.org; Wed, 24 Dec 2008 05:17:20 +0100 Original-Received: from localhost ([127.0.0.1]:37971 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LFLAD-00034N-Mx for ged-emacs-devel@m.gmane.org; Tue, 23 Dec 2008 23:16:05 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LFL9v-0002xe-K5 for emacs-devel@gnu.org; Tue, 23 Dec 2008 23:15:47 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LFL9u-0002wm-2i for emacs-devel@gnu.org; Tue, 23 Dec 2008 23:15:47 -0500 Original-Received: from [199.232.76.173] (port=41836 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LFL9t-0002wh-Q3 for emacs-devel@gnu.org; Tue, 23 Dec 2008 23:15:45 -0500 Original-Received: from mtaout2.012.net.il ([84.95.2.4]:18822) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LFL9t-0001pu-6B for emacs-devel@gnu.org; Tue, 23 Dec 2008 23:15:45 -0500 Original-Received: from conversion-daemon.i_mtaout2.012.net.il by i_mtaout2.012.net.il (HyperSendmail v2004.12) id <0KCD004005A6K700@i_mtaout2.012.net.il> for emacs-devel@gnu.org; Wed, 24 Dec 2008 06:18:14 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([77.126.252.83]) by i_mtaout2.012.net.il (HyperSendmail v2004.12) with ESMTPA id <0KCD0066S5ACP6C0@i_mtaout2.012.net.il>; Wed, 24 Dec 2008 06:18:13 +0200 (IST) In-reply-to: X-012-Sender: halo1@inter.net.il X-detected-operating-system: by monty-python.gnu.org: Solaris 9.1 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:107262 Archived-At: > From: Stefan Monnier > Cc: Roland.Winkler@physik.uni-erlangen.de, lekktu@gmail.com, > emacs-devel@gnu.org > Date: Tue, 23 Dec 2008 15:41:56 -0500 > > >> >> Indeed, it should be in system-process-attributes which is already > >> >> OS-dependent. > >> > If you mean by having no ppid attribute, then that's ambiguous, since > >> > an attribute can be missing because it is inaccessible for some > >> > reason, like some kind of failure unrelated to the fact that the > >> > process is really a root of a tree. > >> Seems very hypothetical. > > It's not hypothetical, I've seen such cases and reported them to > > Roland. > > What were those cases? Processes that disappeared while Emacs was reading /proc, for example.