From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#19860: 25.0.50; One url-retrieve-synchronously call running concurrently with another can freeze it Date: Fri, 25 Dec 2015 19:34:09 +0100 Message-ID: <87io3mxtr2.fsf@gnus.org> References: <86bnkxnyju.fsf@yandex.ru> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1451068522 18867 80.91.229.3 (25 Dec 2015 18:35:22 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 25 Dec 2015 18:35:22 +0000 (UTC) Cc: 19860@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Dec 25 19:35:10 2015 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1aCXCm-0002j9-Ra for geb-bug-gnu-emacs@m.gmane.org; Fri, 25 Dec 2015 19:35:08 +0100 Original-Received: from localhost ([::1]:36137 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aCXCm-0005xF-8y for geb-bug-gnu-emacs@m.gmane.org; Fri, 25 Dec 2015 13:35:08 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50539) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aCXCj-0005x7-1d for bug-gnu-emacs@gnu.org; Fri, 25 Dec 2015 13:35:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aCXCf-0001VR-RY for bug-gnu-emacs@gnu.org; Fri, 25 Dec 2015 13:35:04 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:55927) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aCXCf-0001VN-OM for bug-gnu-emacs@gnu.org; Fri, 25 Dec 2015 13:35:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84) (envelope-from ) id 1aCXCf-0001Wi-KF for bug-gnu-emacs@gnu.org; Fri, 25 Dec 2015 13:35:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 25 Dec 2015 18:35:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 19860 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 19860-submit@debbugs.gnu.org id=B19860.14510684725826 (code B ref 19860); Fri, 25 Dec 2015 18:35:01 +0000 Original-Received: (at 19860) by debbugs.gnu.org; 25 Dec 2015 18:34:32 +0000 Original-Received: from localhost ([127.0.0.1]:35296 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aCXCC-0001Vu-D8 for submit@debbugs.gnu.org; Fri, 25 Dec 2015 13:34:32 -0500 Original-Received: from hermes.netfonds.no ([80.91.224.195]:53608) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aCXCB-0001Vm-AV for 19860@debbugs.gnu.org; Fri, 25 Dec 2015 13:34:31 -0500 Original-Received: from 2.150.58.24.tmi.telenormobil.no ([2.150.58.24] helo=mouse) by hermes.netfonds.no with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1aCXBq-0002bt-4E; Fri, 25 Dec 2015 19:34:10 +0100 In-Reply-To: <86bnkxnyju.fsf@yandex.ru> (Dmitry Gutov's message of "Sat, 14 Feb 2015 02:09:57 +0200") User-Agent: Gnus/5.130014 (Ma Gnus v0.14) Emacs/25.1.50 (gnu/linux) X-MailScanner-ID: 1aCXBq-0002bt-4E MailScanner-NULL-Check: 1451673250.49926@d0k3I5L701/63kr/Puc3Zw X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:110412 Archived-At: Dmitry Gutov writes: > This applies both to master and emacs-24 (with a caveat). > > With sufficiently suitable server, calling long-ops-now or long-ops-idle > can lead to the "outer" request never returning: > > (defun long-ops-idle () > (interactive) > (run-with-idle-timer 0.2 nil #'long-outer-op) > (run-with-idle-timer 0.5 nil #'long-inner-op)) > > (defun long-ops-now () > (interactive) > (run-with-timer 0.2 nil #'long-inner-op) > (long-outer-op)) > > (defun long-outer-op () > (message "retrieving outer") > (url-retrieve-synchronously "http://localhost:9292") > (message "outer retrieved")) > > (defun long-inner-op () > (message "retrieving inner") > (url-retrieve-synchronously "http://localhost:9292") > (message "inner retrieved")) > > The window freezes, the last message in the echo area being "inner > retrieved" (but C-g breaks out of it, and if we're calling > `long-ops-idle', the "outer" request succeeds, too). It's unclear from the bug thread whether this is still a problem or not... Are you still seeing this? -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no