Received: (at 21897) by debbugs.gnu.org; 29 Mar 2020 17:28:45 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Mar 29 13:28:45 2020 Received: from localhost ([127.0.0.1]:59695 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1jIbjp-0008Cr-6I for submit <at> debbugs.gnu.org; Sun, 29 Mar 2020 13:28:45 -0400 Received: from mail-pj1-f51.google.com ([209.85.216.51]:34890) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <matt.wette@HIDDEN>) id 1jIbjo-0008Ce-5c for 21897 <at> debbugs.gnu.org; Sun, 29 Mar 2020 13:28:44 -0400 Received: by mail-pj1-f51.google.com with SMTP id g9so6279397pjp.0 for <21897 <at> debbugs.gnu.org>; Sun, 29 Mar 2020 10:28:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:message-id:date:user-agent:mime-version :content-transfer-encoding:content-language; bh=psHSaGhOVQ7WfNP2QN6PCJwkHh7B4/I6w/GYeLRBWEQ=; b=UKMuUwFqiR4m4f8M7Rbbhr7JsTF6RaYjitPUz0Ne3EcMVhGnA/3/Ond2kTB9xiUV77 lMii5pn8QbxbAYV+XccQJv7ZjXOQ2CHDHGQsocv/RC/lslmyOC+rYmoYnV97n2x0SZEm YrORfS6SU/q+BBGkZe/DeHgMppRhsxRUzj0onek9DgHq46YAuMtUiLILzgA1aKgvlb83 L0HI20fR1KoWyTAygQeozdbbnouLNQ0KziZ79PmhH3HQfbwGf2dU06xGDcKsGRn8DH9b FFbwyJ3aQnnI9z8E58erPRQd0OyLArsiEV2dprcGSxq8hfYW5wjOqmtWpawTLcyxWYLd ULWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-transfer-encoding:content-language; bh=psHSaGhOVQ7WfNP2QN6PCJwkHh7B4/I6w/GYeLRBWEQ=; b=OS5yHkdcXlI/+Bu3K7ixVu9YW0FHcHArrMDr5qE9OIoT8cexWEMFnDxfGIUUhjO/RL Ulsc8Xf+queLoR3DUQWwxk4RcHbv/5AdYA17FNCZ6o8WfQehSgbOOXwTS+VKmGaA/gQX Bu54eKHIsx+tpM66DCEDXv9XyX22jCSKpOUwt3QPkCUmiKwm8Yh+GzkPK1l4XBavz2IH uuFCPz9b+q3rkqSimf0Q+AT3hVtl2yEUuJGf8q4VeQ95VAYZGjXbyB6I2t51BP6way/+ vfty0A+Clx2sk+Jk5RmBEfKH48H53J2K61BFlWVjBnmoeHYvFq+g7CFJdXyvwrmXHXUI OCzA== X-Gm-Message-State: ANhLgQ2SF54/qLjD3CRHnNJAI/WRyg0Vw+wyBD09K6yN5CVGbKOSksQQ 7fkxMY3YXo79mr7o4TMU8/CNTd35 X-Google-Smtp-Source: ADFU+vv6T0XDQr22KmGqsh5YPDA8l2kpSFxjCqi22w6dDXM04fwrI79xApsMmLrNhue4KwUYMGeZwQ== X-Received: by 2002:a17:90a:2a89:: with SMTP id j9mr11112117pjd.64.1585502917871; Sun, 29 Mar 2020 10:28:37 -0700 (PDT) Received: from [192.168.2.183] (64-52-176-132.championbroadband.com. [64.52.176.132]) by smtp.gmail.com with ESMTPSA id h198sm8401753pfe.76.2020.03.29.10.28.36 for <21897 <at> debbugs.gnu.org> (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 29 Mar 2020 10:28:37 -0700 (PDT) To: 21897 <at> debbugs.gnu.org From: Matt Wette <matt.wette@HIDDEN> Subject: verified in 3.0.2 Message-ID: <5699d998-480a-0f0d-ee59-c44100c2e6d2@HIDDEN> Date: Sun, 29 Mar 2020 10:28:36 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 21897 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) This still exists in 3.0.2 scheme@(guile-user)> ,use (ice-9 control) scheme@(guile-user)> (call/ec (lambda (c) (with-continuation-barrier (lambda () (c "through continuation"))) "c-w-b returned")) $1 = "through continuation" scheme@(guile-user)> (version) $2 = "3.0.2"
bug-guile@HIDDEN:bug#21897; Package guile.
Full text available.Received: (at 21897) by debbugs.gnu.org; 24 Jun 2016 16:23:23 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Jun 24 12:23:23 2016 Received: from localhost ([127.0.0.1]:54550 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1bGTt4-0007a8-RQ for submit <at> debbugs.gnu.org; Fri, 24 Jun 2016 12:23:22 -0400 Received: from pb-sasl1.pobox.com ([64.147.108.66]:60499 helo=sasl.smtp.pobox.com) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <wingo@HIDDEN>) id 1bGTt3-0007a0-2f for 21897 <at> debbugs.gnu.org; Fri, 24 Jun 2016 12:23:21 -0400 Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by pb-sasl1.pobox.com (Postfix) with ESMTP id DF2311F926; Fri, 24 Jun 2016 12:23:19 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; s=sasl; bh=3T5rA/nEqVkvNmqgEQyNvbR08Zg=; b=UtQguU qR+He5aVSCcpV2iUWcSQkwZHikgDjje0/2i87QdrGaRL/oPE2WGCtM+0zsqE4Xvl TvqCXNfe9i2oXdap7jUNOGFo/VWOyuD+xHfi4RhES+ViYbFZsGjrHjfuHalnyAD2 SNA8S8OgvEcHzpcc7BJfAHNZcJxq/ZaZYTQ9w= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=sasl; b=eBrcfYegedfULBEn5gH1gqvdSUS0frq1 uAqOPlY4n9AGiyuavp0WDKP1cMKOPd11+mSKxeyToyUzotImDx43qHP26Xo/I3UI Ik5p6EbaeXTV1P0KTXAHT1t7Pr1cnNFp9Oj1DMT39v0/gHchyuSmisHp4exHXmtq i6H6S1gTBQE= Received: from pb-sasl1.nyi.icgroup.com (unknown [127.0.0.1]) by pb-sasl1.pobox.com (Postfix) with ESMTP id C7F681F925; Fri, 24 Jun 2016 12:23:19 -0400 (EDT) Received: from clucks (unknown [88.160.190.192]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by pb-sasl1.pobox.com (Postfix) with ESMTPSA id 11F261F924; Fri, 24 Jun 2016 12:23:18 -0400 (EDT) From: Andy Wingo <wingo@HIDDEN> To: Zefram <zefram@HIDDEN> Subject: Re: bug#21897: escape continuation passes barrier References: <20151113033126.GA16544@HIDDEN> Date: Fri, 24 Jun 2016 18:23:11 +0200 In-Reply-To: <20151113033126.GA16544@HIDDEN> (zefram@HIDDEN's message of "Fri, 13 Nov 2015 03:31:26 +0000") Message-ID: <8760syeets.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Pobox-Relay-ID: F660D37C-3A27-11E6-ABBB-C1836462E9F6-02397024!pb-sasl1.pobox.com X-Spam-Score: -1.4 (-) X-Debbugs-Envelope-To: 21897 Cc: 21897 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.4 (-) On Fri 13 Nov 2015 04:31, Zefram <zefram@HIDDEN> writes: > scheme@(guile-user)> (use-modules (ice-9 control)) > scheme@(guile-user)> (call/ec (lambda (c) (with-continuation-barrier (lambda () (c "through continuation"))) "c-w-b returned")) > $1 = "through continuation" > > The continuation barrier works fine on call/cc continuations and > on throw/catch, but doesn't block call/ec continuations. The manual > doesn't mention any difference in behaviour for this case, nor can I > see any obvious justification for it. The manual's statement that > > # Thus, `with-continuation-barrier' returns exactly once. > > is false in this case. I think a continuation barrier should block the > use of the call/ec continuation. I agree, good catch. Andy
bug-guile@HIDDEN:bug#21897; Package guile.
Full text available.Received: (at submit) by debbugs.gnu.org; 13 Nov 2015 03:31:35 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Nov 12 22:31:35 2015 Received: from localhost ([127.0.0.1]:36477 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1Zx55L-0001zH-1y for submit <at> debbugs.gnu.org; Thu, 12 Nov 2015 22:31:35 -0500 Received: from eggs.gnu.org ([208.118.235.92]:58216) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from <zefram@HIDDEN>) id 1Zx55J-0001z9-2c for submit <at> debbugs.gnu.org; Thu, 12 Nov 2015 22:31:33 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <zefram@HIDDEN>) id 1Zx55H-0003YK-VE for submit <at> debbugs.gnu.org; Thu, 12 Nov 2015 22:31:32 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50 autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:45796) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <zefram@HIDDEN>) id 1Zx55H-0003YE-SV for submit <at> debbugs.gnu.org; Thu, 12 Nov 2015 22:31:31 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39980) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <zefram@HIDDEN>) id 1Zx55G-0008G9-TV for bug-guile@HIDDEN; Thu, 12 Nov 2015 22:31:31 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <zefram@HIDDEN>) id 1Zx55G-0003Xe-5M for bug-guile@HIDDEN; Thu, 12 Nov 2015 22:31:30 -0500 Received: from river6.fysh.org ([2001:41d0:d:20da::2]:54299 helo=river.fysh.org) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <zefram@HIDDEN>) id 1Zx55F-0003XJ-Vg for bug-guile@HIDDEN; Thu, 12 Nov 2015 22:31:30 -0500 Received: from zefram by river.fysh.org with local (Exim 4.80 #2 (Debian)) id 1Zx55C-0004TP-6n; Fri, 13 Nov 2015 03:31:26 +0000 Date: Fri, 13 Nov 2015 03:31:26 +0000 From: Zefram <zefram@HIDDEN> To: bug-guile@HIDDEN Subject: escape continuation passes barrier Message-ID: <20151113033126.GA16544@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.0 (----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -4.0 (----) scheme@(guile-user)> (use-modules (ice-9 control)) scheme@(guile-user)> (call/ec (lambda (c) (with-continuation-barrier (lambda () (c "through continuation"))) "c-w-b returned")) $1 = "through continuation" The continuation barrier works fine on call/cc continuations and on throw/catch, but doesn't block call/ec continuations. The manual doesn't mention any difference in behaviour for this case, nor can I see any obvious justification for it. The manual's statement that # Thus, `with-continuation-barrier' returns exactly once. is false in this case. I think a continuation barrier should block the use of the call/ec continuation. -zefram
Zefram <zefram@HIDDEN>:bug-guile@HIDDEN.
Full text available.bug-guile@HIDDEN:bug#21897; Package guile.
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