Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756140Ab0HIKnJ (ORCPT ); Mon, 9 Aug 2010 06:43:09 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:47214 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756076Ab0HIKnH (ORCPT ); Mon, 9 Aug 2010 06:43:07 -0400 Date: Mon, 9 Aug 2010 11:57:35 +0100 From: Alan Cox To: Alexander Clouter Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH]exit.c: support larger exit code Message-ID: <20100809115735.0ca4951e@lxorguk.ukuu.org.uk> In-Reply-To: References: <14414B36FFA0F1418CB707361EAA199A0194FB16@CNBEEXC006.nsn-intra.net> X-Mailer: Claws Mail 3.7.6 (GTK+ 2.18.9; x86_64-redhat-linux-gnu) Face: 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 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 556 Lines: 15 > There is probably a deeper reason as errno.h/errno-base.h all seem to be > one byte return codes too. I'm starting to ponder if that top three > bytes are meant to carry some other information? man 2 wait and also note that int was 16bits in the times when Unix wait/exit behaviour was formulated. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/