From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HTML_MESSAGE,MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 10036 invoked from network); 12 Mar 2023 21:50:35 -0000 Received: from minnie.tuhs.org (2600:3c01:e000:146::1) by inbox.vuxu.org with ESMTPUTF8; 12 Mar 2023 21:50:35 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 36D69415E5; Mon, 13 Mar 2023 07:50:31 +1000 (AEST) Received: from mail-ed1-x532.google.com (mail-ed1-x532.google.com [IPv6:2a00:1450:4864:20::532]) by minnie.tuhs.org (Postfix) with ESMTPS id 70BAA415E4 for ; Mon, 13 Mar 2023 07:50:25 +1000 (AEST) Received: by mail-ed1-x532.google.com with SMTP id s11so41369620edy.8 for ; Sun, 12 Mar 2023 14:50:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20210112.gappssmtp.com; s=20210112; t=1678657824; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=tp94XmjZf9wQ0aKLO0p0py5jOG90+RyF2cJHehJIZiY=; b=KVENuSlXxaEB076MuDRLOkdBF27JMdcjVhl3x7RSV+N74mjadH06sSBEzDXvj2bSy+ ithJQiTijhs+oNFyHffGz+ZEzR2jS5nS+7xsi5Iw8xPBOgSFm4pXTwEpjB60G61votn4 pvAelNTpYzDPiBbYzT1Rj/4f7dW/mgOGtIPF3VpjyHIZ9W4mbAUbD6ZcxCDivnxqsNrC d9Yoo+LAaUs0kaI2xVA/Whi/h/efobrEwedx3d1nawMO/msm7ExzuJAUn2uWY67nRvUW xEfRqHWjpno9iJKmIAPnt8mY4V1lbg526EXi3bWO+RAKvTptdshZAU6CNU8rysXN+8VR 2ZBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678657824; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=tp94XmjZf9wQ0aKLO0p0py5jOG90+RyF2cJHehJIZiY=; b=TyW1rToz7MqvdtYdx/Or08VFWOqGesnid3rzLNaoE1gJ5xuU5MOiJlm1j1SXFsmMjZ EjXXAO0sXBxnPUkZyP09tET28Wk3I4Bpm8JDj3U146cLgnFt+8QoyIzi2Vol/GR+H6ce xh95c/n9FcpkS67Bcq4X63SiucQKKRrJAjJmGErJ1ki2VHJBotQKQNj+9ykfXTcdUTyS ylFnibDE+z81WlylKiDv6I6XpLCOcLMoIFImywbPh7+gFbE/wtog338jzQcH+axdatdc Y3a3+LhrMZI8EkYQYj0GPb+WmYbVH5nHZCRcB9eEnD9qBH8FR+XkaZkUL63lcFERFg0e 7IAQ== X-Gm-Message-State: AO0yUKUjRsRgxMCpMTYiaC4uTI/n0hWtaQEv+ZXe2sf1UrEFzxJPmkL4 vm7Pjw/kVDXBgfgwwfvLiN2GM0PmYRwfr+oUZordmjQzQT2Cpcqn X-Google-Smtp-Source: AK7set+NMBzx9JfZu9gfH9xCIHB/T8ko1j7RmHAlnvUirxkCUxHdocUICsCRnSZMYZbt8FhHKYyYXu9DKMxxh2e4oVI= X-Received: by 2002:a50:9f8f:0:b0:4fa:b302:6169 with SMTP id c15-20020a509f8f000000b004fab3026169mr2197115edf.0.1678657823602; Sun, 12 Mar 2023 14:50:23 -0700 (PDT) MIME-Version: 1.0 References: <20230309230130.q4I-f%steffen@sdaoden.eu> <20230310165552.czZmL%steffen@sdaoden.eu> In-Reply-To: From: Warner Losh Date: Sun, 12 Mar 2023 15:50:12 -0600 Message-ID: To: Dave Horsfall Content-Type: multipart/alternative; boundary="000000000000468fe905f6bafbb8" Message-ID-Hash: IRDVZ3D7SJNRC6JRN4FIT5RDHBCF5CBK X-Message-ID-Hash: IRDVZ3D7SJNRC6JRN4FIT5RDHBCF5CBK X-MailFrom: wlosh@bsdimp.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: The Eunuchs Hysterical Society X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: I can't drive 55: "GOTO considered harmful" 55th anniversary List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: --000000000000468fe905f6bafbb8 Content-Type: text/plain; charset="UTF-8" On Sun, Mar 12, 2023, 2:47 PM Dave Horsfall wrote: > On Fri, 10 Mar 2023, Steffen Nurpmeso wrote: > > > |Seriously, I also use setjmp()/longjmp() for a more elegant exit from a > > > > That is sheer unbelievable, really? _So_ expensive! > > How often would you call setjmp()/longjmp() > Cheap enough for occasional error handling, way too expensive for a generic exception handling system... processors with lots of registers were more of a problem... Warner > --000000000000468fe905f6bafbb8 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Sun, Mar 12, 2023, 2:47 PM Dave Horsfall <dave@horsfall.org> wrote:
On Fri, 10 Mar 2023, Steffen Nurpmeso wrote:
> |Seriously, I also use setjmp()/longjmp() for a more elegant exit from= a
>
> That is sheer unbelievable, really?=C2=A0 _So_ expensive!

How often would you call setjmp()/longjmp()

Cheap enough for occasional erro= r handling, way too expensive for a generic exception handling system... pr= ocessors with lots of registers were more of a problem...

Warner=C2=A0
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