From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#25265: make-thread crashes in OS X 10.6 Date: Sun, 25 Dec 2016 17:52:37 +0200 Message-ID: <83d1ggxayi.fsf@gnu.org> References: <83r34xxlke.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1482681259 1443 195.159.176.226 (25 Dec 2016 15:54:19 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 25 Dec 2016 15:54:19 +0000 (UTC) Cc: 25265@debbugs.gnu.org To: charles@aurox.ch Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Dec 25 16:54:12 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cLB7d-0007LO-Sy for geb-bug-gnu-emacs@m.gmane.org; Sun, 25 Dec 2016 16:54:05 +0100 Original-Received: from localhost ([::1]:47237 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cLB7i-0001ct-H2 for geb-bug-gnu-emacs@m.gmane.org; Sun, 25 Dec 2016 10:54:10 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56767) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cLB7d-0001co-DL for bug-gnu-emacs@gnu.org; Sun, 25 Dec 2016 10:54:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cLB7a-0001f0-C9 for bug-gnu-emacs@gnu.org; Sun, 25 Dec 2016 10:54:05 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:39472) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cLB7a-0001ew-8z for bug-gnu-emacs@gnu.org; Sun, 25 Dec 2016 10:54:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1cLB7a-0007W3-3L for bug-gnu-emacs@gnu.org; Sun, 25 Dec 2016 10:54:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 25 Dec 2016 15:54:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 25265 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 25265-submit@debbugs.gnu.org id=B25265.148268118228813 (code B ref 25265); Sun, 25 Dec 2016 15:54:02 +0000 Original-Received: (at 25265) by debbugs.gnu.org; 25 Dec 2016 15:53:02 +0000 Original-Received: from localhost ([127.0.0.1]:54871 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cLB6c-0007Ue-Gc for submit@debbugs.gnu.org; Sun, 25 Dec 2016 10:53:02 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:37466) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cLB6b-0007U9-LR for 25265@debbugs.gnu.org; Sun, 25 Dec 2016 10:53:01 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cLB6T-0001QX-AQ for 25265@debbugs.gnu.org; Sun, 25 Dec 2016 10:52:56 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:60151) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cLB6T-0001QR-7K; Sun, 25 Dec 2016 10:52:53 -0500 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1429 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1cLB6S-00024Q-GV; Sun, 25 Dec 2016 10:52:53 -0500 In-reply-to: <83r34xxlke.fsf@gnu.org> (message from Eli Zaretskii on Sat, 24 Dec 2016 19:51:13 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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" Xref: news.gmane.org gmane.emacs.bugs:127440 Archived-At: > Date: Sat, 24 Dec 2016 19:51:13 +0200 > From: Eli Zaretskii > Cc: 25265@debbugs.gnu.org > > I see that ns_select calls block/unblock_input, which makes it unsafe > when more than one thread is running. It's quite possible that this > is the reason. > > I hope some NS expert could take a look at this and fix this. One idea is to write an implementation of block_input and unblock_input that uses atomic increment and decrement functions, then use those only in ns_select. Could someone with access to NS please try that?