From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3184 invoked by alias); 12 Dec 2019 22:57:08 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 3175 invoked by uid 89); 12 Dec 2019 22:57:07 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-1.7 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=ham version=3.3.1 spammy= X-HELO: mail-wm1-f43.google.com Received: from mail-wm1-f43.google.com (HELO mail-wm1-f43.google.com) (209.85.128.43) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 12 Dec 2019 22:57:06 +0000 Received: by mail-wm1-f43.google.com with SMTP id w8so969762wmd.3 for ; Thu, 12 Dec 2019 14:57:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=r8fMb1x1F3Y7Ux2gYj6Ed1ggUxg0yWsfDyt5z61mG1o=; b=Vfk5ShMqCqUr1aSUeZPEQ+GveUF9grqLdcBP7lY2SfxPPaZ8EEC2YLfCIgl50b4qPD 1VYTupFQsJgVQXtTqahm3Hcu0nST6IHpR8ISj2f5PzpO2kECmnC/xO1ecsHCTauGozKx svcGdfkGZvMXrxG4MrucITT6wp0b3z/RDPUH4djUV30Nz+8a/P7N92bcFA7LQIBU+f2j 5WE7b7phdxcb9qQ+Yaja9Oqw6tCsK7St5Nkw2eEvG1DNYHYAR78r8s+7NO1E6fdB0pD9 77Euhk/vdh+Ml9J22FIliIHnp5fAGyfGrT6+PAUGtPRrhfDhkpzb82LlPqoPoBduQYZo sQ8A== MIME-Version: 1.0 References: <20191212220749.GB12864@tik.uni-stuttgart.de> In-Reply-To: From: Erik Soderquist Date: Thu, 12 Dec 2019 23:03:00 -0000 Message-ID: Subject: Re: non-persistent storage? To: cygwin Content-Type: text/plain; charset="UTF-8" X-IsSubscribed: yes X-SW-Source: 2019-12/txt/msg00088.txt.bz2 On Thu, Dec 12, 2019 at 5:45 PM Erik Soderquist wrote: > This is very hacky, but I believe you can get the effect you want by > having an admin process auto-start at host startup, identify itself, > and then set parts of its own /proc/ process ID tree as world > read/write. I think this will give you the "destroyed even at power > failure" impermanence you are l,booking for. I know it is not in the > normal layouts (like /var/run/ would be), but we are working around > limitation s imposed by Windows. To "move"to /var/run/, the process could also build symlinks to the location(s) in /proc/ so the other programs/users have a stable /var/run/ location and only the auto-started process needs to know or care about the locations in /proc/ -- Erik -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple