From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 85D27C35250 for ; Sat, 8 Feb 2020 11:01:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5353121741 for ; Sat, 8 Feb 2020 11:01:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="sUd2Cf/v" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726889AbgBHLBE (ORCPT ); Sat, 8 Feb 2020 06:01:04 -0500 Received: from mail-wr1-f66.google.com ([209.85.221.66]:46577 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726926AbgBHLBE (ORCPT ); Sat, 8 Feb 2020 06:01:04 -0500 Received: by mail-wr1-f66.google.com with SMTP id z7so1759251wrl.13 for ; Sat, 08 Feb 2020 03:01:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=cc:subject:to:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=IcPWbzx05OVIjgj2NUJhrsfYPzKUZz1CvM/eICZzav8=; b=sUd2Cf/vpGJmjY+0rtObbidaeUbAe2XnktZAOM6IIOiwlXkRQk4nZ8y7O6py5ZehkA 7pxfUDr9gpJ+96GFvlK2Kuf9icb6TaojGo/k5kG3pRbGg8xeEW0GQWfP16oEJ2als7Xv SF64l1R9w2vcr6b0NbHpzwzePV+1hJRTK2xU4cWaBWMOjBzjGgvvL3h6UhKGx9rOuuKg CUnIlzT+WrHg17dsNz9d5K9VcBcDTKJXndWZz1bxe5sfNtYDPSfYEx+99G7RjTL2eGFv CZCeA9Zq1NEJzN7qFo4RRWn15sX+LFQmXmH4b0qt8Sy3hCBeEkdbtS2OAIFJEMBegdJi pzXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:cc:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=IcPWbzx05OVIjgj2NUJhrsfYPzKUZz1CvM/eICZzav8=; b=pYJKsSdUVNjn2bz3mQzEA4SdvuifVMYtF5wam7XSkME1Hr55/Z8RcQOlN/lLSI9/Rm LsBUX3si1KOfw2WVV4T1wJCx0A4kX9ptyPVjJAzdlncNXPTzoxNmE1JUuWyWqRS7JqZG USiSayBYeFTSTNU5m5KKQkZHVqxEQvcIp5bSHqZ0xDntv30SFCDBS/OyRI0Lwepblf9W pU4RZhMqexv8gTfdDn0JC+21rS39nSBpTw3XHgdAxS+RQl6UbZ7ptyYo1lRIkO1gWfPD 6Ij4o+VoCnfruHO4p9aMrNPbrF8ydJzKVTGL4ux4ILDTHfMfVyqfg2OkI3U7UibtNFyz Q45Q== X-Gm-Message-State: APjAAAUVX2u9Md7tLiNF2MOUG9+WV95Hjzg300jFQm9BNQTECx4ovA50 yaCqPkjS8B9/NFQzSsbBaWyTAnGf X-Google-Smtp-Source: APXvYqxY6Rsgtls3fdDuTQLQqd+8H239iQ8ACaz+5BPGpHsdea/8E8WgTsCRr/zpkuAy+Wrn1fXFcA== X-Received: by 2002:a5d:5381:: with SMTP id d1mr4853733wrv.259.1581159661321; Sat, 08 Feb 2020 03:01:01 -0800 (PST) Received: from ?IPv6:2001:a61:251f:d701:c8c9:6ecf:205c:abb7? ([2001:a61:251f:d701:c8c9:6ecf:205c:abb7]) by smtp.gmail.com with ESMTPSA id n10sm7077117wrt.14.2020.02.08.03.01.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 08 Feb 2020 03:01:00 -0800 (PST) Cc: mtk.manpages@gmail.com, linux-man@vger.kernel.org, jwilk@jwilk.net, Mike Frysinger Subject: Re: [PATCH v2] exit.3: Use hex for the status mask. To: Benjamin Peterson References: <1537033056.1989189.1509225696.4324DB3A@webmail.messagingengine.com> <20180915173848.19733-1-benjamin@python.org> From: "Michael Kerrisk (man-pages)" Message-ID: <92a0961f-927c-703a-7d7a-16bdd98324d4@gmail.com> Date: Sat, 8 Feb 2020 12:00:58 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 MIME-Version: 1.0 In-Reply-To: <20180915173848.19733-1-benjamin@python.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-man-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org Hello Ben, On 9/15/18 7:38 PM, Benjamin Peterson wrote: > Admittedly, the POSIX specification for exit() also uses octal. However, 0xFF > immediately indicates the lowest 8 bits to me whereas I had to think a bit about > the octal mask. Thanks. Patch applied. (Mike Frysinger provided a similar patch, so I've noted you both in the commit.) Cheers, Michael > --- > man2/_exit.2 | 2 +- > man3/exit.3 | 5 ++--- > 2 files changed, 3 insertions(+), 4 deletions(-) > > diff --git a/man2/_exit.2 b/man2/_exit.2 > index c55d2a612..6e656c8f4 100644 > --- a/man2/_exit.2 > +++ b/man2/_exit.2 > @@ -65,7 +65,7 @@ The process's parent is sent a > signal. > .PP > The value > -.I "status & 0377" > +.I "status & 0xFF" > is returned to the parent process as the process's exit status, and > can be collected using one of the > .BR wait (2) > diff --git a/man3/exit.3 b/man3/exit.3 > index 4a30fc39f..b47ba17a1 100644 > --- a/man3/exit.3 > +++ b/man3/exit.3 > @@ -38,9 +38,8 @@ exit \- cause normal process termination > .SH DESCRIPTION > The > .BR exit () > -function causes normal process termination and the > -value of \fIstatus & 0377\fP is returned to the parent > -(see > +function causes normal process termination and the value of \fIstatus & > +0xFF\fP is returned to the parent (see > .BR wait (2)). > .PP > All functions registered with > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/