From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ot1-x329.google.com (mail-ot1-x329.google.com [IPv6:2607:f8b0:4864:20::329]) by sourceware.org (Postfix) with ESMTPS id 145163857C71 for ; Wed, 18 Nov 2020 15:17:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 145163857C71 Received: by mail-ot1-x329.google.com with SMTP id h16so2036188otq.9 for ; Wed, 18 Nov 2020 07:17:47 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=iHGeczu2NvR2i9C08aBHzd06nvT7oivdNLp3wYnd3g4=; b=P9pKd951rKxcGGoNN9gp6XRDQvQOal8ODEgdOsWuUNYl5CPNcCi61DFihsf+8rIz6R bHq85X13u+SKYYlQ7UEn7d0kr589BL+m+KOA0dpKktohGpjAZdWiVB55ouCMJHuPCTVY awSAnwP9h0GCU1oakqTMdBXfG5GaW/5HQ9TrQ1BsiHyIuzOpH6ZhiMxEkh5LYwxPk0up rZXYgnD354DgkLHXCD7OAZ135pCso6xU4hmBfoTeoKBnSjQMY0hs8lmSbL8S4oDIZl6P ZH/Dw6ljfUlUMW4P1b1mbIjv1C9Cp8tRPnbUBB18I2ak9qxyzzRPbp0tn2kjV2SGrLs7 057A== X-Gm-Message-State: AOAM532ivw2qTw3NVrLXyZztwxn+B70z/U+3L3S+b/r+UC1YUsl+oW00 xiemZSk6WlIOyPvUjrEloW1VYCpSugywhRhw3yQ= X-Google-Smtp-Source: ABdhPJwiARh5qFWpfYS1sDXAy4cA9cwwsB1ZXg33p7/XLwStQXQuOypswYSdKiHrzycLq5QGSwxo+/dMTPUpl8u6BcM= X-Received: by 2002:a9d:4b14:: with SMTP id q20mr6382562otf.269.1605712666460; Wed, 18 Nov 2020 07:17:46 -0800 (PST) MIME-Version: 1.0 References: <20201014174659.GL32292@arm.com> <20201015115728.GA64160@gmail.com> <20201019150846.GP32292@arm.com> <20201020091912.GS32292@arm.com> <20201104165018.GE6882@arm.com> In-Reply-To: From: "H.J. Lu" Date: Wed, 18 Nov 2020 07:17:10 -0800 Message-ID: Subject: Re: PING: V7 [PATCH] sysconf: Add _SC_MINSIGSTKSZ/_SC_SIGSTKSZ [BZ #20305] To: Zack Weinberg Cc: Dave Martin , GNU C Library , Joseph Myers Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-3031.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, 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: Wed, 18 Nov 2020 15:17:48 -0000 On Wed, Nov 18, 2020 at 7:13 AM Zack Weinberg wrote: > > On Wed, Nov 18, 2020 at 9:40 AM H.J. Lu wrote: > > On Wed, Nov 18, 2020 at 6:26 AM Zack Weinberg wrote: > > > > > > On Wed, Nov 18, 2020 at 9:14 AM H.J. Lu via Libc-alpha > > > wrote: > > > > > > > > If there are no more comments, I will check in it together with > > > > > > > > https://sourceware.org/pipermail/libc-alpha/2020-October/118707.html > > > > > > > > on Friday, Nov 20. > > > > > > I don't think you have consensus for this ABI-breaking change, and I > > > *certainly* don't think you should check it in without positive > > > agreement from at least one other person. > > > > > > > My patch adds _SC_SIGSTKSZ_SOURCE. There are no changes > > unless _SC_SIGSTKSZ_SOURCE is defined. > > OK, but do we have consensus on adding a new _*_SOURCE macro and a new > sysconf parameter ahead of their adoption by POSIX? This is not a This is what Dave and I came up with. This approach doesn't change ABI unless it is requested by developers. > rhetorical question, I have not been following that part of the > discussion closely enough to tell. > > zw -- H.J.