From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from zimbra.cs.ucla.edu (zimbra.cs.ucla.edu [131.179.128.68]) by sourceware.org (Postfix) with ESMTPS id 7FF2D3858038 for ; Tue, 20 Apr 2021 00:05:18 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 7FF2D3858038 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=cs.ucla.edu Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=eggert@cs.ucla.edu Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id E01FB16005F; Mon, 19 Apr 2021 17:05:17 -0700 (PDT) Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id aQoZRtc58TO3; Mon, 19 Apr 2021 17:05:16 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id DB3E216013B; Mon, 19 Apr 2021 17:05:16 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id HegHXED5qJ3V; Mon, 19 Apr 2021 17:05:16 -0700 (PDT) Received: from [192.168.1.9] (cpe-172-91-119-151.socal.res.rr.com [172.91.119.151]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id AB05D16005F; Mon, 19 Apr 2021 17:05:16 -0700 (PDT) To: Stefan Hajnoczi , libc-alpha@sourceware.org, "H . J . Lu" Cc: Jens Axboe , linux-block@vger.kernel.org References: <20210413150319.764600-1-stefanha@redhat.com> From: Paul Eggert Organization: UCLA Computer Science Department Subject: Re: [PATCH liburing] examples/ucontext-cp.c: cope with variable SIGSTKSZ Message-ID: <7ea0a289-204b-14a9-2488-af379e8d24c8@cs.ucla.edu> Date: Mon, 19 Apr 2021 17:05:16 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-3.7 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS, NICE_REPLY_A, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Apr 2021 00:05:28 -0000 On 4/19/21 7:34 AM, Stefan Hajnoczi via Libc-alpha wrote: > The commit referenced above broke > compilation of liburing's tests. It's possible that applications will > hit similar issues. Yes, other applications have already had similar issues, and we've fixed=20 that by recoding them to not assume that SIGSTKSZ is an integer constant=20 expression. See, for example, this patch to Gnulib last September: https://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=3Df9e2b20a12a230e= fa30f1d479563ae07d276a94b This patch appears in the latest GNU grep, for example.