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=-8.1 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,SIGNED_OFF_BY, 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 06891CA90AF for ; Wed, 13 May 2020 08:36:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D43BD20740 for ; Wed, 13 May 2020 08:36:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WVP/C7F+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732280AbgEMIgv (ORCPT ); Wed, 13 May 2020 04:36:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37800 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726092AbgEMIgv (ORCPT ); Wed, 13 May 2020 04:36:51 -0400 Received: from mail-wr1-x441.google.com (mail-wr1-x441.google.com [IPv6:2a00:1450:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0D0BC061A0C; Wed, 13 May 2020 01:36:50 -0700 (PDT) Received: by mail-wr1-x441.google.com with SMTP id v12so19732016wrp.12; Wed, 13 May 2020 01:36:50 -0700 (PDT) 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=9RyZJv7HY0Ixg7ftiF9ixqiE/9e7o2gZum7cB+e4h0Y=; b=WVP/C7F+2cJKAcbrifCxGKV7t16e5sHZQL3vut7Hfp5rd+UyGwtmjdvAW1voAeqolu 5ugydIP1OQohKqJvisjZ4lB2qpQTxAmc07MvBs5I7OksQ/Gi3GEEpMk5eXjn/5vbqW+O o6Ang5Hy6kGv3D+aZIGzxQG57Uh5Rw5YZjET9GUtNInPuYdpB7Fy76Hpfndfxhk33i+s DDQrnk1paUDAx7+5eBq1cSO0Cx9CQqz2upP6KO9SLql/cOhsDr413fk7OqDsmkpp3WMP L1CXbRYpuzQ3e7SbY/W1R2BaXVn9XJVss5Z9ecL56Xn/zmsk+6XS55KIq0kxa4u/ggRB 0dKQ== 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=9RyZJv7HY0Ixg7ftiF9ixqiE/9e7o2gZum7cB+e4h0Y=; b=ag95tr2gt55PRxzFUdmwrLfnQNLvKOXvq/FVv3ES5colDz5d8hxQYk+34ZdOGdrcvq 2qVD2g8M4Dd9m0Z9Dl0tqLHtxgCtJdvC96W0uvKQgQbmgOxh+XVMxDvkFU4w+oeqM+qg rRUSMiSqrjE1Q2DgLEBHgqfMOtw28yROdaKnbeDHMdjGykNcyOznsGl2GalnivDXlXnR 6Z9u7yKlnJOY4NQtLkYqakxSEdolxdi4AUgcon48pS5G7SkJ4LUva4drAO3NBBHCs9Lh bJG2lDOQqYbYgm/QuVIKacfr33owcOTk+bTYiEz+vYukcWO3oOer4ReWqxnabupNvcq3 9I6g== X-Gm-Message-State: AGi0PuZLzuj2JzvaWqNwGxzQPzaAUc7wTTT7ZuPkOkAi3s+RtApDUiru lv4OivI2Fe6AEEdrvk4fV7TB4qnb X-Google-Smtp-Source: APiQypKBfhCCUB9bek4i/DCgmt07/TQF/wJbvJEj9l00SAnbye5VS6xrLivOh50PqZsHdYfmkcJEmw== X-Received: by 2002:a05:6000:1010:: with SMTP id a16mr27919089wrx.291.1589359009404; Wed, 13 May 2020 01:36:49 -0700 (PDT) Received: from ?IPv6:2001:a61:2482:101:a081:4793:30bf:f3d5? ([2001:a61:2482:101:a081:4793:30bf:f3d5]) by smtp.gmail.com with ESMTPSA id z7sm26435557wrl.88.2020.05.13.01.36.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 13 May 2020 01:36:48 -0700 (PDT) Cc: mtk.manpages@gmail.com, linux-man@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 03/14] prctl.2: tfix mis-description of thread ID values in procfs To: Dave Martin References: <1589301419-24459-1-git-send-email-Dave.Martin@arm.com> <1589301419-24459-4-git-send-email-Dave.Martin@arm.com> From: "Michael Kerrisk (man-pages)" Message-ID: <8e93c847-9fea-26f0-f872-42cf35d5f8f4@gmail.com> Date: Wed, 13 May 2020 10:36:48 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <1589301419-24459-4-git-send-email-Dave.Martin@arm.com> 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 On 5/12/20 6:36 PM, Dave Martin wrote: > Under PR_SET_NAME, the [tid] value seen in procfs as > /proc/self/task/[tid] is mistakenly described as the name of the > thread, whereas really the name is on /proc/self/task/[tid]/comm. > > Fix it. Thanks, Dave. Patch applied. Cheers, Michael > Signed-off-by: Dave Martin > --- > man2/prctl.2 | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/man2/prctl.2 b/man2/prctl.2 > index a35b748..9736434 100644 > --- a/man2/prctl.2 > +++ b/man2/prctl.2 > @@ -808,8 +808,10 @@ and retrieved using > The attribute is likewise accessible via > .IR /proc/self/task/[tid]/comm , > where > -.I tid > -is the name of the calling thread. > +.I [tid] > +is the the thread ID of the calling thread, as returned by > +.BR gettid (2). > +.\" prctl PR_GET_NAME > .TP > .BR PR_GET_NAME " (since Linux 2.6.11)" > Return the name of the calling thread, > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ 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=-8.0 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 0DA92CA90AF for ; Wed, 13 May 2020 08:36:56 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D270820769 for ; Wed, 13 May 2020 08:36:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="IP0FViwq"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WVP/C7F+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D270820769 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=eHk1NSy6R4bQGio2fyxR6q7Cho9Bx4iNtQ4RKYsm8Sw=; b=IP0FViwqcyj1qa IffZZo77tOoX6R6A9gD4XYxF1gYXUblany95BVYIN0myGiI6CA9NOzNqzaAbhrKEyD+pHF5miB7ok hTeOzR1/mkgxmZ2c9VnORKBc0QSJqwiCPURxvV2PZbfpFWkI8d/ljpx5agrp5pHh7zLLt0zW26+dp mmSp8061SAg0gXQMDfhaBE8Z1yTQdmH1z4/kIwbzrQZABO1Utp75dlP0/vBShUpoCHbhMU07RLxA1 akc0Pq+a06VLjMv3ANqaVhUHqf0tRR6t5ELnPlDpdaBFUyLa/E/Xhxo1XNwoU6f7e+7WDZht4enMl dl/oPTnjnOfXeMqAB0Bg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jYmso-00041I-Fi; Wed, 13 May 2020 08:36:54 +0000 Received: from mail-wr1-x442.google.com ([2a00:1450:4864:20::442]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jYmsk-00040X-PE for linux-arm-kernel@lists.infradead.org; Wed, 13 May 2020 08:36:52 +0000 Received: by mail-wr1-x442.google.com with SMTP id y16so12597230wrs.3 for ; Wed, 13 May 2020 01:36:50 -0700 (PDT) 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=9RyZJv7HY0Ixg7ftiF9ixqiE/9e7o2gZum7cB+e4h0Y=; b=WVP/C7F+2cJKAcbrifCxGKV7t16e5sHZQL3vut7Hfp5rd+UyGwtmjdvAW1voAeqolu 5ugydIP1OQohKqJvisjZ4lB2qpQTxAmc07MvBs5I7OksQ/Gi3GEEpMk5eXjn/5vbqW+O o6Ang5Hy6kGv3D+aZIGzxQG57Uh5Rw5YZjET9GUtNInPuYdpB7Fy76Hpfndfxhk33i+s DDQrnk1paUDAx7+5eBq1cSO0Cx9CQqz2upP6KO9SLql/cOhsDr413fk7OqDsmkpp3WMP L1CXbRYpuzQ3e7SbY/W1R2BaXVn9XJVss5Z9ecL56Xn/zmsk+6XS55KIq0kxa4u/ggRB 0dKQ== 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=9RyZJv7HY0Ixg7ftiF9ixqiE/9e7o2gZum7cB+e4h0Y=; b=N4+W7uLOdeyMgVriYGtYzZT1kvGmO7sQwxdswZaiP82F45j8hxG4gdeA31Knt7FOhI HSbvQ0TBGxy5xFzh8tjU1XxTrwt4cxI3OSWtVdox0vq9gIOvbUkKX7EJs35U5H816IBl +tRPgVTU//cScqB1RfBLuzrorcachYnCvPSnbFX/cpsGx+vHaxkEEWbXbS3nn6KmDTh3 IRsfDgRR+tqZOwBLHlzRms4LacQoVdyGZ99USBT9FK2f7+6wtzQTKfJhN59FZxRym+tr DRi5PukZBL07x0SdhiJT7O2Zao4bosdE4yZ2/0U0Ja5OezP4A58Sni1b+qzxX/cdWUg1 8Cbg== X-Gm-Message-State: AGi0PuaTTbCqfj2sfaRzCa5Vgvz31k4vQoKz241jfGsoIAH44JQQJZdL ksfvZz/9JJoonVOgMBDTAtFPWwqu X-Google-Smtp-Source: APiQypKBfhCCUB9bek4i/DCgmt07/TQF/wJbvJEj9l00SAnbye5VS6xrLivOh50PqZsHdYfmkcJEmw== X-Received: by 2002:a05:6000:1010:: with SMTP id a16mr27919089wrx.291.1589359009404; Wed, 13 May 2020 01:36:49 -0700 (PDT) Received: from ?IPv6:2001:a61:2482:101:a081:4793:30bf:f3d5? ([2001:a61:2482:101:a081:4793:30bf:f3d5]) by smtp.gmail.com with ESMTPSA id z7sm26435557wrl.88.2020.05.13.01.36.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 13 May 2020 01:36:48 -0700 (PDT) Subject: Re: [PATCH 03/14] prctl.2: tfix mis-description of thread ID values in procfs To: Dave Martin References: <1589301419-24459-1-git-send-email-Dave.Martin@arm.com> <1589301419-24459-4-git-send-email-Dave.Martin@arm.com> From: "Michael Kerrisk (man-pages)" Message-ID: <8e93c847-9fea-26f0-f872-42cf35d5f8f4@gmail.com> Date: Wed, 13 May 2020 10:36:48 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <1589301419-24459-4-git-send-email-Dave.Martin@arm.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200513_013650_843399_03756919 X-CRM114-Status: GOOD ( 16.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-man@vger.kernel.org, mtk.manpages@gmail.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 5/12/20 6:36 PM, Dave Martin wrote: > Under PR_SET_NAME, the [tid] value seen in procfs as > /proc/self/task/[tid] is mistakenly described as the name of the > thread, whereas really the name is on /proc/self/task/[tid]/comm. > > Fix it. Thanks, Dave. Patch applied. Cheers, Michael > Signed-off-by: Dave Martin > --- > man2/prctl.2 | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/man2/prctl.2 b/man2/prctl.2 > index a35b748..9736434 100644 > --- a/man2/prctl.2 > +++ b/man2/prctl.2 > @@ -808,8 +808,10 @@ and retrieved using > The attribute is likewise accessible via > .IR /proc/self/task/[tid]/comm , > where > -.I tid > -is the name of the calling thread. > +.I [tid] > +is the the thread ID of the calling thread, as returned by > +.BR gettid (2). > +.\" prctl PR_GET_NAME > .TP > .BR PR_GET_NAME " (since Linux 2.6.11)" > Return the name of the calling thread, > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel