Lars Ingebrigtsen <larsi@HIDDEN>
to control <at> debbugs.gnu.org.
Full text available.Received: (at 50166) by debbugs.gnu.org; 26 Sep 2021 05:31:24 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Sep 26 01:31:24 2021 Received: from localhost ([127.0.0.1]:35471 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1mUMl2-0007Wh-JM for submit <at> debbugs.gnu.org; Sun, 26 Sep 2021 01:31:24 -0400 Received: from quimby.gnus.org ([95.216.78.240]:46930) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <larsi@HIDDEN>) id 1mUMl1-0007WT-1D for 50166 <at> debbugs.gnu.org; Sun, 26 Sep 2021 01:31:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=pPGQ6wTtys7DTdVBRdkVFT/bjeVk8TkB1R5pN+phDHw=; b=R9rDjbVeITN9htc6DPep1pA71l gR+58FHs3WgHAm0YyTbk+WD527ngVaKzt20NjkRjcAcBAUupnZbKziLjDR0UrOMlIl4zaJluh5uR6 Y0dpV4yU2Oxpm+0fhB0OBBPRs2NtXJHBa9q58aBDVaCTPIPkaBdSXwmIYIGjgviTJUW8=; Received: from [84.212.220.105] (helo=elva) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from <larsi@HIDDEN>) id 1mUMks-0005jq-BF; Sun, 26 Sep 2021 07:31:16 +0200 From: Lars Ingebrigtsen <larsi@HIDDEN> To: Adam Porter <adam@HIDDEN> Subject: Re: bug#50166: 28.0.50; ECM for possible process-status/sentinel bug References: <CAO_b3FW8jePJM5N2sdb_OYkq4BKhyz+Y8K2OOWGi3nZ4g_fi_w@HIDDEN> <871r6lxjjt.fsf@HIDDEN> <CAO_b3FX7nj7-Nu6F-44C3zgqknv9925wWbgyn+8y8v6jstavEA@HIDDEN> <8735r1w2bs.fsf@HIDDEN> <87y28tumzz.fsf@HIDDEN> <87pmu5umq7.fsf@HIDDEN> <CAO_b3FW_mpCnRMGYw9Fo3-UAfeAUhLWQx7NYCn7t1jUUe=abQw@HIDDEN> <87v93ws1ao.fsf@HIDDEN> <87zgs4s5qe.fsf@HIDDEN> <CAO_b3FWKa5b=LV01NR7YXOt+vB9gWgBPq1rJf4wg7SqkiqGi0Q@HIDDEN> Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwAgMAAAAqbBEUAAAABGdBTUEAALGPC/xhBQAAACBj SFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAACVBMVEWhlEBJRSr////o CFXIAAAAAWJLR0QCZgt8ZAAAAAlwSFlzAAABLAAAASwAc4jpUgAAAAd0SU1FB+UJGgUXFzhyNqEA AADgSURBVCjPdZLRCgQhCEUVxneD/J+CejfI//+VtWxmdx9GmMHDvZlKAO+BdqKcXG/4U9AUqDEt oF+F0r/tR3kFfAXg0Ut5musi30Yzj6/CYz4CjJ7KA/XqkWxI0h+lpbTu4OXFBmukAL4AJwNyO6Db vsA/5QMrSI/trvoDDNz4htZS1kgzSascgF0HVw24xGQ03b1zrdV6juGv7OvIqe4Ta0E6B22lqBjV HqWzFDSxPQNQ8Q3aPNvz7Yhp1XONhwSg22xaiQ6WQoanUS8gdmz+p/UaQvBbux+7h55kou9v6gPB V0n+mfEx0AAAAFplWElmTU0AKgAAAAgABQESAAMAAAABAAEAAAEaAAUAAAABAAAASgEbAAUAAAAB AAAAUgEoAAMAAAABAAEAAAITAAMAAAABAAEAAAAAAAAAAAEsAAAAAQAAASwAAAABYCqauwAAACV0 RVh0ZGF0ZTpjcmVhdGUAMjAyMS0wOS0yNlQwNToyMzoyMyswMDowMJ/jyv0AAAAldEVYdGRhdGU6 bW9kaWZ5ADIwMjEtMDktMjZUMDU6MjM6MjMrMDA6MDDuvnJBAAAAF3RFWHRleGlmOllDYkNyUG9z aXRpb25pbmcAMawPgGMAAAAASUVORK5CYII= X-Now-Playing: Prince Fatty & Shniece McMenamin - =?utf-8?Q?=E2=80=98Black?= =?utf-8?Q?_Rabbit=E2=80=99's?= _Late Night Tales: Version Excursions (Selected By Don Letts)_: "Originally recorded by Jefferson Airplane" Date: Sun, 26 Sep 2021 07:31:13 +0200 In-Reply-To: <CAO_b3FWKa5b=LV01NR7YXOt+vB9gWgBPq1rJf4wg7SqkiqGi0Q@HIDDEN> (Adam Porter's message of "Sat, 25 Sep 2021 07:14:18 -0500") Message-ID: <87czovlx7i.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Adam Porter <adam@HIDDEN> writes: > For example, am I misusing sentinels here? As far as I can tell by skimming the code, you seem to be using sentinels properly here. There may well be bugs in the sentinel triggering code -- there's been various bugs in this area over the years [...] Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 50166 Cc: 50166 <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: -3.3 (---) Adam Porter <adam@HIDDEN> writes: > For example, am I misusing sentinels here? As far as I can tell by skimming the code, you seem to be using sentinels properly here. There may well be bugs in the sentinel triggering code -- there's been various bugs in this area over the years. But I don't really have any advice as to debug it more efficiently -- the code in process.c is pretty gnarly and difficult to reason about. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no
bug-gnu-emacs@HIDDEN:bug#50166; Package emacs.
Full text available.Received: (at 50166) by debbugs.gnu.org; 25 Sep 2021 12:14:37 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat Sep 25 08:14:37 2021 Received: from localhost ([127.0.0.1]:60377 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1mU6Zh-0002d3-Ck for submit <at> debbugs.gnu.org; Sat, 25 Sep 2021 08:14:37 -0400 Received: from mail-lf1-f42.google.com ([209.85.167.42]:45704) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <alphadeltapapa@HIDDEN>) id 1mU6Zf-0002cj-9V for 50166 <at> debbugs.gnu.org; Sat, 25 Sep 2021 08:14:35 -0400 Received: by mail-lf1-f42.google.com with SMTP id u18so50980250lfd.12 for <50166 <at> debbugs.gnu.org>; Sat, 25 Sep 2021 05:14:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=JqqQywynO9lCVaYZBhOqYP9PDHl/UgvOIUv6Cm+SsgI=; b=qMkKNK14ItyN/BQY1JlXUWSS5DUytwU6F9CEpDW5TvUuifjKmEzEn/i5I2KgC/7kyy CDSM5bUWePqrbrFJsMpzazwzFuVSEXhTGWQ4mMQNzjrfiAt0Ldd3k9ote9qIMaJ/in7P qZHcEZZ9KQ7YoD1QiqTk9aQku9S+CT7UBJ97qcPNwefTG+uRFFwf0BdITYc0v5c3D/mP WFcmb6m34Esgr7QqXgs5BNL+lAzK/oP6YB2Uu3eaRe11FMxK5fpG2HA4NabK4w/xUX+O 9kswRMbAoZLeOzi9hvv+W36AgcSSrHQ1csIfx0iCDp1h0EArSUEU0KKFImzZ5qzzpZev Jlgg== X-Gm-Message-State: AOAM532RkEyj+h9M1DVak0ed0WUdV20/ynZLKJKmDDUoxpsdN0+7Q2Lv Pf2yQbFvBOFjJYuU6dVx3/CiB4G9aoPqeAnorPE= X-Google-Smtp-Source: ABdhPJywbT26S/7hdRehPZv8Y4emXeJqlPt5KDwnk3s7fXFdTcGLncqEooecpKFUdDbaJ0Qaftik2Rn7fYucQDkEo+s= X-Received: by 2002:a2e:bc2a:: with SMTP id b42mr4881760ljf.78.1632572069005; Sat, 25 Sep 2021 05:14:29 -0700 (PDT) MIME-Version: 1.0 References: <CAO_b3FW8jePJM5N2sdb_OYkq4BKhyz+Y8K2OOWGi3nZ4g_fi_w@HIDDEN> <871r6lxjjt.fsf@HIDDEN> <CAO_b3FX7nj7-Nu6F-44C3zgqknv9925wWbgyn+8y8v6jstavEA@HIDDEN> <8735r1w2bs.fsf@HIDDEN> <87y28tumzz.fsf@HIDDEN> <87pmu5umq7.fsf@HIDDEN> <CAO_b3FW_mpCnRMGYw9Fo3-UAfeAUhLWQx7NYCn7t1jUUe=abQw@HIDDEN> <87v93ws1ao.fsf@HIDDEN> <87zgs4s5qe.fsf@HIDDEN> In-Reply-To: <87zgs4s5qe.fsf@HIDDEN> From: Adam Porter <adam@HIDDEN> Date: Sat, 25 Sep 2021 07:14:18 -0500 Message-ID: <CAO_b3FWKa5b=LV01NR7YXOt+vB9gWgBPq1rJf4wg7SqkiqGi0Q@HIDDEN> Subject: Re: bug#50166: 28.0.50; ECM for possible process-status/sentinel bug To: Lars Ingebrigtsen <larsi@HIDDEN> Content-Type: text/plain; charset="UTF-8" X-Spam-Score: 0.5 (/) X-Debbugs-Envelope-To: 50166 Cc: 50166 <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: -0.5 (/) On Wed, Sep 22, 2021 at 3:41 PM Lars Ingebrigtsen <larsi@HIDDEN> wrote: > > Lars Ingebrigtsen <larsi@HIDDEN> writes: > > >> As an aside, I tried removing the :stderr argument to make-process in > >> my plz.el library, but unfortunately it did not help the problem I'm > >> observing there: that running ERT tests in series, with curl processes > >> started in quick succession (though only one at a time) leads to > >> failing tests, apparently related to sentinels not being called after > >> a process's output has been collected (and running the tests > >> individually almost always succeeds). > > > > If you could come up with a minimal test case for that, that'd be nice. > > Did you make any further progress here? Not yet. I've been busy with other projects, needed to work on some I could actually make progress on. ;) I intend to look at this again, but I don't know how soon. If you have any general advice for this kind of process-object-related debugging, I'd be grateful. I've spent too much time on this doing things that don't make any difference and don't seem to narrow down the problem space. For example, am I misusing sentinels here? In elfeed-curl, Chris Wellons uses (run-at-time 0 ...) to do most of the response-processing outside of the sentinel. I don't know if that's elegant and/or a hack, and I don't know if it even matters, but trying to fix this problem in plz.el has felt like throwing wet noodles at a wall and hoping something sticks.
bug-gnu-emacs@HIDDEN:bug#50166; Package emacs.
Full text available.Received: (at 50166) by debbugs.gnu.org; 22 Sep 2021 20:41:42 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Sep 22 16:41:42 2021 Received: from localhost ([127.0.0.1]:51830 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1mT93m-0000zW-KQ for submit <at> debbugs.gnu.org; Wed, 22 Sep 2021 16:41:42 -0400 Received: from quimby.gnus.org ([95.216.78.240]:33956) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <larsi@HIDDEN>) id 1mT93k-0000zD-VT for 50166 <at> debbugs.gnu.org; Wed, 22 Sep 2021 16:41:41 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=m5WBh0lqHfipU7SJxll3TXWg4QGdzroL4+90OvKdaAs=; b=amtb+A7C+lfEqDjkVaNet26+40 ALJo4K0curVmgpTUvFy/Y95wEZH8/SUmyWQ6w2LVjjcZXBvZXAxB/CWfvmszpa84Fp6ZdsdY1AofU GoSe1wClkfxkG4pG7Mg81N0ZEnw6ac36WIpJE58LPRNzjQJl2HCKnGZuRvC12NnAfBro=; Received: from [84.212.220.105] (helo=elva) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from <larsi@HIDDEN>) id 1mT93a-00077r-OM; Wed, 22 Sep 2021 22:41:34 +0200 From: Lars Ingebrigtsen <larsi@HIDDEN> To: Adam Porter <adam@HIDDEN> Subject: Re: bug#50166: 28.0.50; ECM for possible process-status/sentinel bug References: <CAO_b3FW8jePJM5N2sdb_OYkq4BKhyz+Y8K2OOWGi3nZ4g_fi_w@HIDDEN> <871r6lxjjt.fsf@HIDDEN> <CAO_b3FX7nj7-Nu6F-44C3zgqknv9925wWbgyn+8y8v6jstavEA@HIDDEN> <8735r1w2bs.fsf@HIDDEN> <87y28tumzz.fsf@HIDDEN> <87pmu5umq7.fsf@HIDDEN> <CAO_b3FW_mpCnRMGYw9Fo3-UAfeAUhLWQx7NYCn7t1jUUe=abQw@HIDDEN> <87v93ws1ao.fsf@HIDDEN> X-Now-Playing: Jerry Harrison's _The Red And The Black_: "The Red Nights" Date: Wed, 22 Sep 2021 22:41:29 +0200 In-Reply-To: <87v93ws1ao.fsf@HIDDEN> (Lars Ingebrigtsen's message of "Mon, 23 Aug 2021 16:06:39 +0200") Message-ID: <87zgs4s5qe.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Lars Ingebrigtsen <larsi@HIDDEN> writes: >> As an aside, I tried removing the :stderr argument to make-process in >> my plz.el library, but unfortunately it did not help the problem I'm >> observing there: that running ERT tests in series, w [...] Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 50166 Cc: 50166 <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: -3.3 (---) Lars Ingebrigtsen <larsi@HIDDEN> writes: >> As an aside, I tried removing the :stderr argument to make-process in >> my plz.el library, but unfortunately it did not help the problem I'm >> observing there: that running ERT tests in series, with curl processes >> started in quick succession (though only one at a time) leads to >> failing tests, apparently related to sentinels not being called after >> a process's output has been collected (and running the tests >> individually almost always succeeds). > > If you could come up with a minimal test case for that, that'd be nice. Did you make any further progress here? -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no
bug-gnu-emacs@HIDDEN:bug#50166; Package emacs.
Full text available.Lars Ingebrigtsen <larsi@HIDDEN>
to control <at> debbugs.gnu.org.
Full text available.Received: (at 50166) by debbugs.gnu.org; 23 Aug 2021 14:06:54 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Aug 23 10:06:54 2021 Received: from localhost ([127.0.0.1]:42235 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1mIAbG-0000ll-H6 for submit <at> debbugs.gnu.org; Mon, 23 Aug 2021 10:06:54 -0400 Received: from quimby.gnus.org ([95.216.78.240]:44248) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <larsi@HIDDEN>) id 1mIAbD-0000lY-8o for 50166 <at> debbugs.gnu.org; Mon, 23 Aug 2021 10:06:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=n3ig1atoOXiDDhl2ZomdSL5c2juq5xUJOv94uJW0U6Y=; b=cB2nPQsLK2v0+BjJjBNAVg6SIw 9jKxulk5YUmn/TFafou7ly9vKfuUm8N2yAZyH+jRU9vm+hWNVcowLQjJJ+l1QTye0ruRQeItKJYKk vdkmT2OgiKeHEReNFB5IWN79+FexBGoqdohKhQnOXeu0aNlydM/9MedGDu3/mJsaUaQ0=; Received: from [84.212.220.105] (helo=elva) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from <larsi@HIDDEN>) id 1mIAb2-0003vM-BT; Mon, 23 Aug 2021 16:06:44 +0200 From: Lars Ingebrigtsen <larsi@HIDDEN> To: Adam Porter <adam@HIDDEN> Subject: Re: bug#50166: 28.0.50; ECM for possible process-status/sentinel bug References: <CAO_b3FW8jePJM5N2sdb_OYkq4BKhyz+Y8K2OOWGi3nZ4g_fi_w@HIDDEN> <871r6lxjjt.fsf@HIDDEN> <CAO_b3FX7nj7-Nu6F-44C3zgqknv9925wWbgyn+8y8v6jstavEA@HIDDEN> <8735r1w2bs.fsf@HIDDEN> <87y28tumzz.fsf@HIDDEN> <87pmu5umq7.fsf@HIDDEN> <CAO_b3FW_mpCnRMGYw9Fo3-UAfeAUhLWQx7NYCn7t1jUUe=abQw@HIDDEN> Date: Mon, 23 Aug 2021 16:06:39 +0200 In-Reply-To: <CAO_b3FW_mpCnRMGYw9Fo3-UAfeAUhLWQx7NYCn7t1jUUe=abQw@HIDDEN> (Adam Porter's message of "Sun, 22 Aug 2021 20:31:08 -0500") Message-ID: <87v93ws1ao.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Adam Porter <adam@HIDDEN> writes: > (The fact that > "process" seems to have some extra meanings in the context--it refers > not only to the program called with `make-process'--seems to add to > the difficulty of reasoning and communi [...] Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 50166 Cc: 50166 <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: -3.3 (---) Adam Porter <adam@HIDDEN> writes: > (The fact that > "process" seems to have some extra meanings in the context--it refers > not only to the program called with `make-process'--seems to add to > the difficulty of reasoning and communicating about these issues.) "Process" in Emacs just refers to a "process object" -- it's not tied to the Unix concept of a process, really. (But Unix processes are interacted with via Emacs process objects normally. :-)) An Emacs process object is something that perhaps gives you bytes and might accept bytes, so it's a network connection, a UDP server, a socket, a pipe, a tty, a serial connection or a Unix process. (And probably other things I'm forgetting.) > As an aside, I tried removing the :stderr argument to make-process in > my plz.el library, but unfortunately it did not help the problem I'm > observing there: that running ERT tests in series, with curl processes > started in quick succession (though only one at a time) leads to > failing tests, apparently related to sentinels not being called after > a process's output has been collected (and running the tests > individually almost always succeeds). If you could come up with a minimal test case for that, that'd be nice. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no
bug-gnu-emacs@HIDDEN:bug#50166; Package emacs.
Full text available.Received: (at 50166) by debbugs.gnu.org; 23 Aug 2021 12:44:56 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Aug 23 08:44:56 2021 Received: from localhost ([127.0.0.1]:40701 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1mI9Js-0006tH-6r for submit <at> debbugs.gnu.org; Mon, 23 Aug 2021 08:44:56 -0400 Received: from quimby.gnus.org ([95.216.78.240]:43600) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <larsi@HIDDEN>) id 1mI9Jn-0006t0-69 for 50166 <at> debbugs.gnu.org; Mon, 23 Aug 2021 08:44:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=Kf0V5E3FVJIP7mE8ZIOlYPKvShcwD8x/7zcVx+/KL/4=; b=e1bgmGDC52S5QrM/9RIGxQN7QA XCsV/N69vexKPaz21jwipXa/VYIRz8xaU8VKQI4Nn9JM2e35c+G3zUc5S0xet95cRTVhgoSw4qfJd 1FDWz1TQVx5lE+NZZFaKXlRVgTc8cGydIqkF5J1ynhxhkiBcHGh3R3VrtBWGfpsDLIJI=; Received: from [84.212.220.105] (helo=elva) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from <larsi@HIDDEN>) id 1mI9Jb-0003H2-NX; Mon, 23 Aug 2021 14:44:40 +0200 From: Lars Ingebrigtsen <larsi@HIDDEN> To: Adam Porter <adam@HIDDEN> Subject: Re: bug#50166: 28.0.50; ECM for possible process-status/sentinel bug References: <CAO_b3FW8jePJM5N2sdb_OYkq4BKhyz+Y8K2OOWGi3nZ4g_fi_w@HIDDEN> <871r6lxjjt.fsf@HIDDEN> <CAO_b3FX7nj7-Nu6F-44C3zgqknv9925wWbgyn+8y8v6jstavEA@HIDDEN> <8735r1w2bs.fsf@HIDDEN> <87y28tumzz.fsf@HIDDEN> <87pmu5umq7.fsf@HIDDEN> <CAO_b3FW_mpCnRMGYw9Fo3-UAfeAUhLWQx7NYCn7t1jUUe=abQw@HIDDEN> <87mtp9szif.fsf@HIDDEN> Date: Mon, 23 Aug 2021 14:44:35 +0200 In-Reply-To: <87mtp9szif.fsf@HIDDEN> (Lars Ingebrigtsen's message of "Mon, 23 Aug 2021 03:47:36 +0200") Message-ID: <87ilzwtjnw.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Lars Ingebrigtsen <larsi@HIDDEN> writes: > Create a separate buffer for stderr, pick out the process with > get-buffer-process, and set a sentinel for that process, too. Well, that'd be both racey and awkward -- I think the way to really do this is to create a `make-pipe-process' with its own :sentinel and pass that in as :stderr in `make-process'. Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 50166 Cc: 50166 <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: -3.3 (---) Lars Ingebrigtsen <larsi@HIDDEN> writes: > Create a separate buffer for stderr, pick out the process with > get-buffer-process, and set a sentinel for that process, too. Well, that'd be both racey and awkward -- I think the way to really do this is to create a `make-pipe-process' with its own :sentinel and pass that in as :stderr in `make-process'. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no
bug-gnu-emacs@HIDDEN:bug#50166; Package emacs.
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From: Lars Ingebrigtsen <larsi@HIDDEN>
To: Adam Porter <adam@HIDDEN>
Subject: Re: bug#50166: 28.0.50; ECM for possible process-status/sentinel bug
References: <CAO_b3FW8jePJM5N2sdb_OYkq4BKhyz+Y8K2OOWGi3nZ4g_fi_w@HIDDEN>
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(Adam Porter's message of "Sun, 22 Aug 2021 20:31:08 -0500")
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Content preview: Adam Porter <adam@HIDDEN> writes: > I guess it would
be a good thing if this turned out to be just a > documentation issue. The
manual has more here than the doc string:
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Adam Porter <adam@HIDDEN> writes:
> I guess it would be a good thing if this turned out to be just a
> documentation issue.
The manual has more here than the doc string:
If STDERR is a buffer, Emacs will create a pipe process, the
=E2=80=9Cstandard error process=E2=80=9D. This process will have=
the default
filter (*note Filter Functions::), sentinel (*note
Sentinels::), and coding systems (*note Default Coding
Systems::). On the other hand, it will use QUERY-FLAG as its
query-on-exit flag (*note Query Before Exit::). It will be
associated with the STDERR buffer (*note Process Buffers::)
and send its output (which is the standard error of the main
process) there. To get the process object for the standard
error process, pass the STDERR buffer to =E2=80=98get-buffer-proc=
ess=E2=80=99.
I'll put some of this in the doc string, too.
> But if it is, I'm left to wonder what the right
> way is to capture the STDERR of a (make-process) process while also
> waiting on all of the process's associated processes to exit, have
> their output collected into the designated buffers, and their
> sentinels run.
Create a separate buffer for stderr, pick out the process with
get-buffer-process, and set a sentinel for that process, too.
--=20
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
bug-gnu-emacs@HIDDEN:bug#50166; Package emacs.
Full text available.Received: (at 50166) by debbugs.gnu.org; 23 Aug 2021 01:31:27 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Aug 22 21:31:27 2021 Received: from localhost ([127.0.0.1]:40086 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1mHyoA-0007xX-Vf for submit <at> debbugs.gnu.org; Sun, 22 Aug 2021 21:31:27 -0400 Received: from mail-lf1-f44.google.com ([209.85.167.44]:38834) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <alphadeltapapa@HIDDEN>) id 1mHyo9-0007ri-5P for 50166 <at> debbugs.gnu.org; Sun, 22 Aug 2021 21:31:26 -0400 Received: by mail-lf1-f44.google.com with SMTP id x27so34500840lfu.5 for <50166 <at> debbugs.gnu.org>; Sun, 22 Aug 2021 18:31:25 -0700 (PDT) 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=rXiv/VkAOofrOtdWhOMdqdehl39jH6L7bktndZOeKsk=; b=Jw8iQsy2MWC1Awv9uNovnZfckqxu3rVn4wqeT2lcR91+auu01+JqIC77jyiCXTtMEf O+MthugR4pj57HtDAfDcSNPjOyHL1BZANYrzWLaf5QyaNtttqkcMMAzdavN3KQbqPtEG HmzS9m3Z9Iy+0skiJ7hSAkAwTioAR/qsMs5mPcchPqf9Guew2F0TJWewO6unopDUX8Tv OqYqt+8SPZeVlgSQFXEv87VX/3sv7XvbW9cDleaEOTdYMMSDL6otzpPChvxqkYklBDI3 GvqEn0ihWoJyeTpdXBDH/7NbzeDIU1Rn/1aUT4jxhNXrXZraBPYKLVwBS6C15LPAwMIu 6eMw== X-Gm-Message-State: AOAM531oJAlUKSwVc3xZ7buLAgX0KVcVqTMN81/gpnfYA1M65sXdAIQr H6TUIOoLao0E3d8Fra3BgU3U5o/mwDG/9N++KVI= X-Google-Smtp-Source: ABdhPJyxwbSZrYKYy5eLl2myCBOAseJDHzJQ3X/KI+vNM12IxSyBTV90lriaMIWCriieV+fb+nbSKQ14tfByB61TG18= X-Received: by 2002:ac2:4146:: with SMTP id c6mr24950843lfi.305.1629682279058; Sun, 22 Aug 2021 18:31:19 -0700 (PDT) MIME-Version: 1.0 References: <CAO_b3FW8jePJM5N2sdb_OYkq4BKhyz+Y8K2OOWGi3nZ4g_fi_w@HIDDEN> <871r6lxjjt.fsf@HIDDEN> <CAO_b3FX7nj7-Nu6F-44C3zgqknv9925wWbgyn+8y8v6jstavEA@HIDDEN> <8735r1w2bs.fsf@HIDDEN> <87y28tumzz.fsf@HIDDEN> <87pmu5umq7.fsf@HIDDEN> In-Reply-To: <87pmu5umq7.fsf@HIDDEN> From: Adam Porter <adam@HIDDEN> Date: Sun, 22 Aug 2021 20:31:08 -0500 Message-ID: <CAO_b3FW_mpCnRMGYw9Fo3-UAfeAUhLWQx7NYCn7t1jUUe=abQw@HIDDEN> Subject: Re: bug#50166: 28.0.50; ECM for possible process-status/sentinel bug To: Lars Ingebrigtsen <larsi@HIDDEN> Content-Type: text/plain; charset="UTF-8" X-Spam-Score: 0.5 (/) X-Debbugs-Envelope-To: 50166 Cc: 50166 <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: -0.5 (/) On Sun, Aug 22, 2021 at 5:40 PM Lars Ingebrigtsen <larsi@HIDDEN> wrote: > > Lars Ingebrigtsen <larsi@HIDDEN> writes: > > > Without that :stderr in make-process, I see no peculiarities here. > > So I suspect that this is working as intended? But the :stderr entry in > the doc string should mention this... Thanks for investigating that, Lars. I guess it would be a good thing if this turned out to be just a documentation issue. But if it is, I'm left to wonder what the right way is to capture the STDERR of a (make-process) process while also waiting on all of the process's associated processes to exit, have their output collected into the designated buffers, and their sentinels run. The manual says to use (while (accept-process-output PROCESS)), but apparently that may return while a process's :stderr process is still running, or something like that... (The fact that "process" seems to have some extra meanings in the context--it refers not only to the program called with `make-process'--seems to add to the difficulty of reasoning and communicating about these issues.) As an aside, I tried removing the :stderr argument to make-process in my plz.el library, but unfortunately it did not help the problem I'm observing there: that running ERT tests in series, with curl processes started in quick succession (though only one at a time) leads to failing tests, apparently related to sentinels not being called after a process's output has been collected (and running the tests individually almost always succeeds). So I don't know if the problem described in this report is related to that, or whether it's a bug in my code, my understanding, or a different process-related issue in Emacs. It "feels like" they could be loosely related, but what do I know. :)
bug-gnu-emacs@HIDDEN:bug#50166; Package emacs.
Full text available.Received: (at 50166) by debbugs.gnu.org; 22 Aug 2021 22:41:02 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Aug 22 18:41:02 2021 Received: from localhost ([127.0.0.1]:39987 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1mHw9F-0000NH-U3 for submit <at> debbugs.gnu.org; Sun, 22 Aug 2021 18:41:02 -0400 Received: from quimby.gnus.org ([95.216.78.240]:37722) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <larsi@HIDDEN>) id 1mHw9D-0000Mu-Oj for 50166 <at> debbugs.gnu.org; Sun, 22 Aug 2021 18:41:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=Z+4RXvvA+xE9njEhZrhmOPSfFanmJpIB1KjprDetjUk=; b=Xp1jnTpJ4BsGjM9oLsCo0bNE8Y GY1JSXZaRh9Hlu6W2ua010PE90vJ9H6BXVr2ik4ea46iXmhvILmZmNfpQiePw7YI7CzweusR6NK36 jwW/7MlaNqOdFtakizRPkdn3RLMhUtqA5OH4s/b7QT6AlC0EH5JKslyec2s17cDjzA4s=; Received: from [84.212.220.105] (helo=elva) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from <larsi@HIDDEN>) id 1mHw92-0003wp-SK; Mon, 23 Aug 2021 00:40:53 +0200 From: Lars Ingebrigtsen <larsi@HIDDEN> To: Adam Porter <adam@HIDDEN> Subject: Re: bug#50166: 28.0.50; ECM for possible process-status/sentinel bug References: <CAO_b3FW8jePJM5N2sdb_OYkq4BKhyz+Y8K2OOWGi3nZ4g_fi_w@HIDDEN> <871r6lxjjt.fsf@HIDDEN> <CAO_b3FX7nj7-Nu6F-44C3zgqknv9925wWbgyn+8y8v6jstavEA@HIDDEN> <8735r1w2bs.fsf@HIDDEN> <87y28tumzz.fsf@HIDDEN> Date: Mon, 23 Aug 2021 00:40:48 +0200 In-Reply-To: <87y28tumzz.fsf@HIDDEN> (Lars Ingebrigtsen's message of "Mon, 23 Aug 2021 00:34:56 +0200") Message-ID: <87pmu5umq7.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Lars Ingebrigtsen <larsi@HIDDEN> writes: > Without that :stderr in make-process, I see no peculiarities here. So I suspect that this is working as intended? But the :stderr entry in the doc string should mention this... Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 50166 Cc: 50166 <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: -3.3 (---) Lars Ingebrigtsen <larsi@HIDDEN> writes: > Without that :stderr in make-process, I see no peculiarities here. So I suspect that this is working as intended? But the :stderr entry in the doc string should mention this... -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no
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From: Lars Ingebrigtsen <larsi@HIDDEN>
To: Adam Porter <adam@HIDDEN>
Subject: Re: bug#50166: 28.0.50; ECM for possible process-status/sentinel bug
References: <CAO_b3FW8jePJM5N2sdb_OYkq4BKhyz+Y8K2OOWGi3nZ4g_fi_w@HIDDEN>
<871r6lxjjt.fsf@HIDDEN>
<CAO_b3FX7nj7-Nu6F-44C3zgqknv9925wWbgyn+8y8v6jstavEA@HIDDEN>
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Date: Mon, 23 Aug 2021 00:34:56 +0200
In-Reply-To: <8735r1w2bs.fsf@HIDDEN> (Lars Ingebrigtsen's message of "Mon,
23 Aug 2021 00:18:31 +0200")
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Content preview: Lars Ingebrigtsen <larsi@HIDDEN> writes: > However, the
status messaged by all those say: > > status: finished exit #<process
argh-<1>> Aha!
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Lars Ingebrigtsen <larsi@HIDDEN> writes:
> However, the status messaged by all those say:
>
> status: finished exit #<process argh-<1>>
Aha!
(with-current-buffer (process-buffer process)
(get-buffer-process (current-buffer)))
isn't the same as process!
It's
argh- stderr<7>
vs
#<process argh-<7>>
So when you did a :stderr that pointed to process-buffer, you associated
a second process with the buffer, and that process hadn't died yet.
Without that :stderr in make-process, I see no peculiarities here.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
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From: Lars Ingebrigtsen <larsi@HIDDEN>
To: Adam Porter <adam@HIDDEN>
Subject: Re: bug#50166: 28.0.50; ECM for possible process-status/sentinel bug
References: <CAO_b3FW8jePJM5N2sdb_OYkq4BKhyz+Y8K2OOWGi3nZ4g_fi_w@HIDDEN>
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In-Reply-To: <CAO_b3FX7nj7-Nu6F-44C3zgqknv9925wWbgyn+8y8v6jstavEA@HIDDEN>
(Adam Porter's message of "Sun, 22 Aug 2021 17:01:01 -0500")
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Content preview: Adam Porter <adam@HIDDEN> writes: > According to
https://orgmode.org/worg/org-faq.html#ecm:
> > This is a French acronym used by some mailing list members; it stands
> for "Exemple Complet Minimal", or "Complete Minimal Example".
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Adam Porter <adam@HIDDEN> writes:
> According to https://orgmode.org/worg/org-faq.html#ecm:
>
> This is a French acronym used by some mailing list members; it stands
> for "Exemple Complet Minimal", or "Complete Minimal Example".
I see. :-)
The example wasn't that minimal, though, so I shortened it a bit to
understand it better:
;;; -*- lexical-binding: t; -*-
(defun start-curls ()
(interactive)
(dotimes (i 10)
(let* ((process-buffer (generate-new-buffer (format "argh-curl-%02d" i)))
(process (make-process :name "argh-"
:buffer process-buffer
:coding 'binary
:command '("curl"
"--silent"
"--compressed"
"--location"
"--dump-header" "-"
"--config" "-")
:connection-type 'pipe
:sentinel #'argh--sentinel
:stderr process-buffer)))
(process-send-string process "--url https://httpbin.org/get\n")
(process-send-eof process)
process)))
(defun argh--sentinel (process status)
(with-current-buffer (process-buffer process)
(when (equal (string-clean-whitespace status) "finished")
(message "status: %s %s %S" (string-clean-whitespace status)
(process-status process) process)
(kill-buffer (current-buffer)))))
And, indeed, after `M-x start-curls' I'm usually prompted for a
Buffer "argh-curl-09<2>" has a running process; kill it? (yes or no)
However, the status messaged by all those say:
status: finished exit #<process argh-<1>>
So somehow process-status can claim that the status is `exit', but
`kill-buffer' then says that the process is alive... Most puzzling.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
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From: Adam Porter <adam@HIDDEN>
Date: Sun, 22 Aug 2021 17:01:01 -0500
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Subject: Re: bug#50166: 28.0.50; ECM for possible process-status/sentinel bug
To: Lars Ingebrigtsen <larsi@HIDDEN>
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On Sun, Aug 22, 2021 at 4:21 PM Lars Ingebrigtsen <larsi@HIDDEN> wrote:
>
> Adam Porter <adam@HIDDEN> writes:
>
> > The attached file provides an ECM for a possible bug in Emacs's process
> > handling.
>
> What does "ECM" stand for?
According to https://orgmode.org/worg/org-faq.html#ecm:
This is a French acronym used by some mailing list members; it stands
for "Exemple Complet Minimal", or "Complete Minimal Example". The
term refers to test files that can reliably reproduce a bug with the
minimal amount of code. When you report a bug to the mailing list, you
should provide a minimal .org file (with no more text than necessary)
that demonstrates the bug. See this post for more information.
I learned the term from working on Org, and since Org is part of
Emacs, I assumed it was generally familiar to Emacs maintainers as
well. My mistake. :)
bug-gnu-emacs@HIDDEN:bug#50166; Package emacs.
Full text available.Received: (at 50166) by debbugs.gnu.org; 22 Aug 2021 21:21:33 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Aug 22 17:21:33 2021 Received: from localhost ([127.0.0.1]:39882 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1mHuuH-0004ih-5F for submit <at> debbugs.gnu.org; Sun, 22 Aug 2021 17:21:33 -0400 Received: from quimby.gnus.org ([95.216.78.240]:37070) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <larsi@HIDDEN>) id 1mHuuA-0004iP-Qj for 50166 <at> debbugs.gnu.org; Sun, 22 Aug 2021 17:21:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=Cj3C9figeZztRR1y8cgcaUlEA/QxvfMDSXWefZzVE2k=; b=Q74Nj/yp5y9XK+NRsrFnlalvvo 76q4zWE/j7LGWcQXnGStsmgr613gr9W2y7AM17eQaBE0LGIcwOFKSLbv9Nqpds7zD/tlti9Mfb8ZS fPh95xq22HrC602KffgZl7XOkp0FQpoy+/v2suij174Xr9ezo0/nhnyRP87aNMTkCvVY=; Received: from [84.212.220.105] (helo=elva) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from <larsi@HIDDEN>) id 1mHutz-00039i-JE; Sun, 22 Aug 2021 23:21:15 +0200 From: Lars Ingebrigtsen <larsi@HIDDEN> To: Adam Porter <adam@HIDDEN> Subject: Re: bug#50166: 28.0.50; ECM for possible process-status/sentinel bug References: <CAO_b3FW8jePJM5N2sdb_OYkq4BKhyz+Y8K2OOWGi3nZ4g_fi_w@HIDDEN> Date: Sun, 22 Aug 2021 23:21:10 +0200 In-Reply-To: <CAO_b3FW8jePJM5N2sdb_OYkq4BKhyz+Y8K2OOWGi3nZ4g_fi_w@HIDDEN> (Adam Porter's message of "Sun, 22 Aug 2021 15:08:01 -0500") Message-ID: <871r6lxjjt.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Adam Porter <adam@HIDDEN> writes: > The attached file provides an ECM for a possible bug in Emacs's process > handling. What does "ECM" stand for? Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 50166 Cc: 50166 <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: -3.3 (---) Adam Porter <adam@HIDDEN> writes: > The attached file provides an ECM for a possible bug in Emacs's process > handling. What does "ECM" stand for? -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no
bug-gnu-emacs@HIDDEN:bug#50166; Package emacs.
Full text available.Received: (at submit) by debbugs.gnu.org; 22 Aug 2021 20:08:23 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Aug 22 16:08:23 2021 Received: from localhost ([127.0.0.1]:39834 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1mHtlW-0000og-Ow for submit <at> debbugs.gnu.org; Sun, 22 Aug 2021 16:08:23 -0400 Received: from lists.gnu.org ([209.51.188.17]:52342) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <alphadeltapapa@HIDDEN>) id 1mHtlS-0000oV-4U for submit <at> debbugs.gnu.org; Sun, 22 Aug 2021 16:08:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42878) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <alphadeltapapa@HIDDEN>) id 1mHtlS-0006eu-0N for bug-gnu-emacs@HIDDEN; Sun, 22 Aug 2021 16:08:18 -0400 Received: from mail-lf1-f44.google.com ([209.85.167.44]:45974) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from <alphadeltapapa@HIDDEN>) id 1mHtlP-0000jH-1R for bug-gnu-emacs@HIDDEN; Sun, 22 Aug 2021 16:08:17 -0400 Received: by mail-lf1-f44.google.com with SMTP id g13so33292967lfj.12 for <bug-gnu-emacs@HIDDEN>; Sun, 22 Aug 2021 13:08:13 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=8JqrGZ0MWynEvUEsAXtQXcCqT7W9QDl9Oc2a59EsK2Y=; b=FN4kuF+kDIuB6JAHr+GEvK4pvnLaoR1D2u2URCu4YKdmFo2jqj20z2aTcVXR+R7Eji 58Fs3Ee0FIy/IdueOOEDfbuflSsvqXpmlBpPht9LoVnOJ5cKV+BIQpLuAuTLhxXIrYyR 6PYZo1rrf6vgefnp0vx8qi8QrIqciGQMWufkj3wpIpWCzPH+249Jvn8WS4lyce64ejXz /bTPLeGwZrXklqwnM4MXFWkTk8D9AtpzIaVvGn2tbi8pSF73XVf+EW7KoInXv3xSDmg/ X9rv29G4v4esrGlN7Qg0l72FuMcKNd+S+w5CYFmwyTy6HVFr0yqilReunU0tGrGWL69y RpWw== X-Gm-Message-State: AOAM530yuYkvrgK35J6MpOvvM8A4PeyPymcTbhGCpyu2xYzgn0GR4V8r pEsiciEWXiFfeZk+4kbbCmkSR1yOw8SHNLvdxI5R0kmKDek= X-Google-Smtp-Source: ABdhPJwRu27eXC8BQm2/C2D1qXpSX2ftbLf6H3v+zKJk9NvB6LdbXoNGIM5+D+Cq9WuUUp9Qj1rFmv9f8O5xZf7atGY= X-Received: by 2002:ac2:5e88:: with SMTP id b8mr22551582lfq.480.1629662892182; Sun, 22 Aug 2021 13:08:12 -0700 (PDT) MIME-Version: 1.0 From: Adam Porter <adam@HIDDEN> Date: Sun, 22 Aug 2021 15:08:01 -0500 Message-ID: <CAO_b3FW8jePJM5N2sdb_OYkq4BKhyz+Y8K2OOWGi3nZ4g_fi_w@HIDDEN> Subject: 28.0.50; ECM for possible process-status/sentinel bug To: bug-gnu-emacs@HIDDEN Content-Type: multipart/mixed; boundary="000000000000caf0d905ca2b751b" Received-SPF: pass client-ip=209.85.167.44; envelope-from=alphadeltapapa@HIDDEN; helo=mail-lf1-f44.google.com X-Spam_score_int: -13 X-Spam_score: -1.4 X-Spam_bar: - X-Spam_report: (-1.4 / 5.0 requ) BAYES_00=-1.9, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-Spam-Score: -0.8 (/) X-Debbugs-Envelope-To: submit 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: -1.8 (-) --000000000000caf0d905ca2b751b Content-Type: text/plain; charset="UTF-8" [As originally posted at https://lists.gnu.org/archive/html/emacs-devel/2021-08/msg00654.html] Hi, The attached file provides an ECM for a possible bug in Emacs's process handling. The rub is whether a process sentinel may be called with a STATUS string of "finished\n" while the process's `process-status' is `open': If that is expected, then this may not indicate a bug (but perhaps an issue that needs to be more prominently documented). But if it's not supposed to happen, then this may provide a means to reproduce the behavior and troubleshoot the bug. This ECM works by making 10 (by default) curl `pipe' processes that send requests to httpbin.org. When each process is finished, the process sentinel should conclude by killing the process's buffer. This appears to work most of the time, especially with low numbers of processes (like 1-3). But as the number of processes is increased, sometimes one or more of the attempts to kill a process's buffer result in the user's being prompted to kill the buffer due to the process still running (an obvious problem when happening in library code that the user should not be concerned with). As the number of processes increases, the number of process buffers that prompt seems to increase (e.g. with 15 processes, 1-2 prompts seems common). A possible workaround would be to check the process's status before attempting to kill the buffer, however that would seem to raise a problem: according to the Elisp manual, calls to the sentinel may be coalesced when a process's status changes quickly, so if the sentinel simply did not kill the buffer if the process were still alive, it's unclear whether the sentinel will be called a final time, after the process's status is `closed'; if not, the buffer would never be killed. Alternatively, the sentinel could loop while checking `process-status', but that would obviously be undesirable, and would seem like working around a bug (and it might be the wrong thing to do in general, depending on the process's and sentinel's purposes). To test this ECM: 1. Evaluate this file (with lexical-binding). 2. Eval (argh). 3. The messages buffer should show the first line of the HTTP response body for requests 1-10, as well as a "killing buffer..." line for each curl process's buffer. There should be NO "Buffer has a running process; kill it?" prompts. 4. But, usually, there will be one or two of those prompts. When there are, you can see that the buffer's process has a (process-status) value of "open" rather than "closed", even though the process's sentinel was called with "finished\n" as the status argument. So far, this has been reproduced on Emacs 26.3, 27.2 (with Eric Abrahamsen's help), and 28.0.50 (built on 2021-07-05), on GNU/Linux. Alternatively, if this simply demonstrates a lack of understanding on my part of how to properly use sentinels, I'd be grateful to be corrected. [This file has also been posted at https://gist.github.com/alphapapa/daa36dc3388dec694602e06fe6d114b7, and may be updated there if necessary.] Thanks, Adam --000000000000caf0d905ca2b751b Content-Type: text/x-emacs-lisp; charset="US-ASCII"; name="emacs-process-sentinel-ecm.el" Content-Disposition: attachment; filename="emacs-process-sentinel-ecm.el" Content-Transfer-Encoding: base64 Content-ID: <f_ksnn6hlr0> X-Attachment-Id: f_ksnn6hlr0 Ozs7IGVtYWNzLXByb2Nlc3Mtc2VudGluZWwtZWNtLmVsIC0tLSAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAtKi0gbGV4aWNhbC1iaW5kaW5nOiB0OyAtKi0KCjs7IFRoaXMgZmlsZSBwcm92 aWRlcyBhbiBFQ00gZm9yIGEgcG9zc2libGUgYnVnIGluIEVtYWNzJ3MgcHJvY2Vzcwo7OyBoYW5k bGluZy4gIFRoZSBydWIgaXMgd2hldGhlciBhIHByb2Nlc3Mgc2VudGluZWwgbWF5IGJlIGNhbGxl ZCB3aXRoCjs7IGEgU1RBVFVTIHN0cmluZyBvZiAiZmluaXNoZWRcbiIgd2hpbGUgdGhlIHByb2Nl c3Mncwo7OyBgcHJvY2Vzcy1zdGF0dXMnIGlzIGBvcGVuJzogSWYgdGhhdCBpcyBleHBlY3RlZCwg dGhlbiB0aGlzIG1heSBub3QKOzsgaW5kaWNhdGUgYSBidWcgKGJ1dCBwZXJoYXBzIGFuIGlzc3Vl 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Adam Porter <adam@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#50166; Package emacs.
Full text available.
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997 nCipher Corporation Ltd,
1994-97 Ian Jackson.