From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-4.1 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_PASS,SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id D39B420248 for ; Mon, 11 Mar 2019 23:13:58 +0000 (UTC) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:to:cc:subject:in-reply-to:message-id :references:mime-version:content-type; q=dns; s=default; b=jPIDS nN42UJzzV3iD9cZND90HMyzKMBZOaNryKIsDzowkwB/CUut1a7rpex7xjkqx08/A GChTy3+bPkOZJctd71j47+/DOwsMMRbqmBP8/5EC3mBjWx6kR0PF+iXY1rPWSzIe JuDOIIJTr6kDmYBR62gjEaoy4M/cSEI4nfLpcc= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:to:cc:subject:in-reply-to:message-id :references:mime-version:content-type; s=default; bh=Xd+zTXIG9y+ RchTiMgECaSxyS0s=; b=KSaCEAqEgshw9fyR+nlyjKzvgUdM53J3YrRzJNlCtui HIIWvSaBDrbU4HkFIzsURInrROxXkgM6cLSja+n1xlRBsBLn8gqjsY5QmOAddBn7 dG5xyJaPvV26eVmWJEqk6By00Z9c5Cykh+vOUmvrnSYQ/S0jdBe/HfXe2zNaXybs = Received: (qmail 82776 invoked by alias); 11 Mar 2019 23:13:56 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Received: (qmail 82768 invoked by uid 89); 11 Mar 2019 23:13:56 -0000 Authentication-Results: sourceware.org; auth=none X-HELO: relay1.mentorg.com Date: Mon, 11 Mar 2019 23:13:46 +0000 From: Joseph Myers To: Mike Crowe CC: Subject: Re: [PATCH 0/7] Implement proposed POSIX _clockwait variants of existing _timedwait functions In-Reply-To: <20190310091255.dfr7r4nys6cve5uf@mcrowe.com> Message-ID: References: <5d6c8c95-cea1-22e1-a4a6-a01037e5c377@linaro.org> <20190310091255.dfr7r4nys6cve5uf@mcrowe.com> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" On Sun, 10 Mar 2019, Mike Crowe wrote: > It would be straightforward to add them with support for CLOCK_REALTIME > only, but I'm not sure that it really brings much value. Adding > CLOCK_MONOTONIC support at the same time as the new functions would mean > that autoconf scripts would know that CLOCK_MONOTONIC was supported if the > functions were found, rather than having to fall back at runtime. No, they wouldn't know that, if kernel support is needed for CLOCK_MONOTONIC support, because the kernel at runtime might be too old (glibc generally supports at least the oldest active LTS kernel series). -- Joseph S. Myers joseph@codesourcery.com