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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 8A481C433DF for ; Thu, 14 May 2020 12:39:28 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 5094220722 for ; Thu, 14 May 2020 12:39:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5094220722 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1jZD8p-0006Ky-OU; Thu, 14 May 2020 12:39:11 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1jZD8p-0006Ks-7u for xen-devel@lists.xenproject.org; Thu, 14 May 2020 12:39:11 +0000 X-Inumbo-ID: e8ba5014-95df-11ea-ae69-bc764e2007e4 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id e8ba5014-95df-11ea-ae69-bc764e2007e4; Thu, 14 May 2020 12:39:10 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 52B5FAC2C; Thu, 14 May 2020 12:39:12 +0000 (UTC) Subject: Re: use of "stat -" To: Ian Jackson References: <3bfd6384-fcaf-c74a-e560-a35aafa06a43@suse.com> <20200512141947.yqx4gmbvqs4grx5g@liuwe-devbox-debian-v2.j3c5onc20sse1dnehy4noqpfcg.zx.internal.cloudapp.net> <4b90b635-84bb-e827-d52e-dfe1ebdb4e4d@citrix.com> <814db557-4f6a-020d-9f71-4ee3724981e3@suse.com> <20200512195005.GA96154@mattapan.m5p.com> <049e0022-f9c1-6dc9-3360-d25d88eeb97f@citrix.com> <20200512225458.GA1530@mattapan.m5p.com> <24253.9543.974853.499775@mariner.uk.xensource.com> From: Jan Beulich Message-ID: <28dd2890-cfd5-ec99-af47-7bdd3cbc75e4@suse.com> Date: Thu, 14 May 2020 14:39:08 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <24253.9543.974853.499775@mariner.uk.xensource.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Wei Liu , Paul Durrant , Andrew Cooper , Jason Andryuk , Elliott Mitchell , "xen-devel@lists.xenproject.org" Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" On 14.05.2020 13:02, Ian Jackson wrote: > I've read this thread. Jan, I'm sorry that this causes you > inconvenience. I'm hoping it won't come down to a choice between > supporting people who want to ship a dom0 without perl, and people who > want a dom0 using more-than-a-decade-old coreutils. Well, there are options, like producing the actual script from a locking.sh.in template, with a configure control over whether the Perl fallback is needed / wanted. > Jan, can you tell me what the output is of this on your ancient > system: > > $ rm -f t > $ >t > $ exec 3 $ stat -L -c '%F %i' /dev/stdin <&3 > regular empty file 393549 > $ rm t > $ stat -L -c '%F %i' /dev/stdin <&3 > regular empty file 393549 > $ strace -ou stat -L -c '%F %i' /dev/stdin <&3 > $ > > Also, the contents of the file "u" afterwards, please. Will do early next week, as the system is in the office (and off). Jan