From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=AWL,BAYES_00, DKIM_ADSP_CUSTOM_MED,FORGED_GMAIL_RCVD,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY shortcircuit=no autolearn=no autolearn_force=no version=3.4.2 Received: from neon.ruby-lang.org (neon.ruby-lang.org [221.186.184.75]) by dcvr.yhbt.net (Postfix) with ESMTP id 79C361F4B4 for ; Wed, 6 Jan 2021 15:17:33 +0000 (UTC) Received: from neon.ruby-lang.org (localhost [IPv6:::1]) by neon.ruby-lang.org (Postfix) with ESMTP id 98D95120A74; Thu, 7 Jan 2021 00:16:43 +0900 (JST) Received: from o1678948x4.outbound-mail.sendgrid.net (o1678948x4.outbound-mail.sendgrid.net [167.89.48.4]) by neon.ruby-lang.org (Postfix) with ESMTPS id 52C76120A07 for ; Thu, 7 Jan 2021 00:16:41 +0900 (JST) Received: by filterdrecv-p3iad2-74bd9fb996-rxl6b with SMTP id filterdrecv-p3iad2-74bd9fb996-rxl6b-20-5FF5D487-69 2021-01-06 15:17:27.875305095 +0000 UTC m=+2304922.490763669 Received: from herokuapp.com (unknown) by geopod-ismtpd-2-1 (SG) with ESMTP id GKLlVfP3QtiixGkveRG3Gw for ; Wed, 06 Jan 2021 15:17:27.785 +0000 (UTC) Date: Wed, 06 Jan 2021 15:17:27 +0000 (UTC) From: dsisnero@gmail.com Message-ID: References: Mime-Version: 1.0 X-Redmine-MailingListIntegration-Message-Ids: 77869 X-Redmine-Project: ruby-master X-Redmine-Issue-Tracker: Feature X-Redmine-Issue-Id: 12607 X-Redmine-Issue-Author: shyouhei X-Redmine-Issue-Assignee: ko1 X-Redmine-Sender: dsisnero X-Mailer: Redmine X-Redmine-Host: bugs.ruby-lang.org X-Redmine-Site: Ruby Issue Tracking System X-Auto-Response-Suppress: All Auto-Submitted: auto-generated X-SG-EID: =?us-ascii?Q?wr1eytF=2FotmoiJuqdpesvU8qnTP42WwXoRgJjSF4fNGLK9aNW+Phfp9PrM=2Ft5b?= =?us-ascii?Q?RXScECMiWeNsAPcRISVXKkm4fnXK408ZRfoKKF4?= =?us-ascii?Q?POc=2FQjtZneg9esXu8vSzGRgKshRCUChX+=2F7gatk?= =?us-ascii?Q?ZeqyyVxVaFKBgJIVJS69fknD5oaLjmW225woypQ?= =?us-ascii?Q?NsyfqVl+AwjPH99fSMd0btmss1mzSAxsorxcC7h?= =?us-ascii?Q?9dVR744=2FEid=2FmJqA8=3D?= To: ruby-core@ruby-lang.org X-Entity-ID: b/2+PoftWZ6GuOu3b0IycA== X-ML-Name: ruby-core X-Mail-Count: 101962 Subject: [ruby-core:101962] [Ruby master Feature#12607] Ruby needs an atomic integer X-BeenThere: ruby-core@ruby-lang.org X-Mailman-Version: 2.1.15 Precedence: list Reply-To: Ruby developers List-Id: Ruby developers List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ruby-core-bounces@ruby-lang.org Sender: "ruby-core" Issue #12607 has been updated by dsisnero (Dominic Sisneros). I agree this should be added to core because of ractor and #17433. ---------------------------------------- Feature #12607: Ruby needs an atomic integer https://bugs.ruby-lang.org/issues/12607#change-89815 * Author: shyouhei (Shyouhei Urabe) * Status: Feedback * Priority: Normal * Assignee: ko1 (Koichi Sasada) ---------------------------------------- (This one was derived from bug #12463) Although I don't think += would become atomic, at the same time I understand Rodrigo's needs of _easier_ counter variable that resists inter-thread tampering. I don't think ruby's Integer class can be used for that purpose for reasons (mainly because it is not designed with threads in mind). Rather we should introduce a integer class which is carefully designed. Why not import Concurrent::AtomicFixnum into core? -- https://bugs.ruby-lang.org/