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=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, PDS_TONAME_EQ_TOLOCAL_SHORT,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 CC752C433E0 for ; Fri, 29 May 2020 22:16:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 769E320776 for ; Fri, 29 May 2020 22:16:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=jguk.org header.i=@jguk.org header.b="MUXv1bA1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728379AbgE2WQp (ORCPT ); Fri, 29 May 2020 18:16:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57018 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728355AbgE2WQo (ORCPT ); Fri, 29 May 2020 18:16:44 -0400 Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 701A3C03E969 for ; Fri, 29 May 2020 15:16:44 -0700 (PDT) Received: by mail-wr1-x42d.google.com with SMTP id l10so5632291wrr.10 for ; Fri, 29 May 2020 15:16:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=jguk.org; s=google; h=from:subject:to:message-id:date:user-agent:mime-version :content-language:content-transfer-encoding; bh=sGUbS4jCmJbascwXuJ7tehZCvlWm52gr0znhdYRJk88=; b=MUXv1bA1b4X1oRxLjIaDTrhvmrfEcr2ZF81gx2WElA4CpjtcochU2Npdt/cRYUgDLQ mmJGJWS4UlnkIrUuh8/yI+hXIAWT7g6Xnk3C26fuQQhnBbVDBADuzxH1ShrtSmBAeotY xqwzSvXcz/Nl/W/AOYOzHdmV96C/cYKsrc7z9utND8QwKamaS1wwymMXvbv78nEKG5l6 QZndLE8+oUc6UNjfcwC5DKSBvlR0lk2YHgjZ3QGctJkwFvFrNFtNX3SmGHaYZxbuo4sR Zg/DB+aYT5YeWQS1ZQwnAeI3OXdJGWDx21SlQcl6esvQtL7LxWmg2n2/HH1SlxPZa40S t/wg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:subject:to:message-id:date:user-agent :mime-version:content-language:content-transfer-encoding; bh=sGUbS4jCmJbascwXuJ7tehZCvlWm52gr0znhdYRJk88=; b=oh13rl4jm6BN7g9wfWr2gHEK8Ep3S1KQQQs5bFT+TORUoWB3FI4WJ3FZa4xhNNlyJv s6C7clMhW9jhRiqr4jADphCDlKt5wYD9MklJu6YzHVLqOADEtH+YRkPmfOfQzIOMg1jm DjGOR+nk4B1XqB16yR6FUZSsvfB+CmTtJsjKz1wf4s24ic3jd1RJWmRfD6Gu6NaP/qNw T9D+JG6FMGNdrG8KHitK4N+rpuZLr10bG50BJhRMx/ThBfEO4jmOMY1M53IcFUVMYAT4 1nIhMD4B5illJGzzGA3RubUnL6Dy+84lzuPoNTB/J+nsoQNI0tB7kAAEH437/M6e9kH8 HogA== X-Gm-Message-State: AOAM531uIM4DAqp/MY7jIVnBvuLXkYpwoExpMsRdz2zflaP0Odoxtr2G UOrFMca5c8ffC75vZ4TEWnscHhpHgSE= X-Google-Smtp-Source: ABdhPJzv2M8Mmzs0Xq1JVvp9Vg6Yf6oagdfHX9cdFDNzStgKbM+Ij6YnOnpfSEkZ1pkYpmTFZ5iBLA== X-Received: by 2002:adf:b34e:: with SMTP id k14mr10715387wrd.109.1590790603182; Fri, 29 May 2020 15:16:43 -0700 (PDT) Received: from [192.168.0.12] (cpc87281-slou4-2-0-cust47.17-4.cable.virginm.net. [92.236.12.48]) by smtp.gmail.com with ESMTPSA id u13sm1011233wmm.6.2020.05.29.15.16.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 29 May 2020 15:16:42 -0700 (PDT) From: Jonny Grant Subject: syscall man page To: linux-man , Michael Kerrisk Message-ID: <60a31e2e-d0a5-95f9-54bf-be1d8455fb77@jguk.org> Date: Fri, 29 May 2020 23:16:41 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 8bit Sender: linux-man-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org Good evening Quoting part of the syscall man page: RETURN VALUE The return value is defined by the system call being invoked. In gen‐ eral, a 0 return value indicates success. A -1 return value indicates an error, and an error code is stored in errno. The last sentence doesn't quite sound right in English, and different from other man pages eg closedir. I would propose updating it to be :- "On error, -1 is returned, and errno is set appropriately" Cheers Jonny