Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 63750200D3C for ; Tue, 14 Nov 2017 18:22:30 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id 6209B160BF4; Tue, 14 Nov 2017 17:22:30 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id A60D7160BD7 for ; Tue, 14 Nov 2017 18:22:29 +0100 (CET) Received: (qmail 4126 invoked by uid 500); 14 Nov 2017 17:22:28 -0000 Mailing-List: contact dev-help@impala.incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@impala.incubator.apache.org Delivered-To: mailing list dev@impala.incubator.apache.org Received: (qmail 4114 invoked by uid 99); 14 Nov 2017 17:22:28 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 14 Nov 2017 17:22:28 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id 91E4E1A0895 for ; Tue, 14 Nov 2017 17:22:27 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 1.881 X-Spam-Level: * X-Spam-Status: No, score=1.881 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=2, KAM_SHORT=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=disabled Authentication-Results: spamd2-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=cloudera.com Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id 5Gt_V9P3Imfv for ; Tue, 14 Nov 2017 17:22:26 +0000 (UTC) Received: from mail-lf0-f43.google.com (mail-lf0-f43.google.com [209.85.215.43]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTPS id 1B19A60F61 for ; Tue, 14 Nov 2017 17:22:26 +0000 (UTC) Received: by mail-lf0-f43.google.com with SMTP id r135so23183967lfe.5 for ; Tue, 14 Nov 2017 09:22:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloudera.com; s=google; h=mime-version:from:date:message-id:subject:to; bh=IIesNPbHaRzEj/5IywWRoX05LDCYgMB7xyLkL1e6/rQ=; b=I5wM1F0bHX4eUbEC1FCWTu5JHIbeBz9eFiwLuHT08WgZx7kpAhcouOhL+aaO9Y8/2p il0yM7mSDHQwkbbum2wC8dzgjhkqebpw/ER88ivs/lEJIBC6YxPNj0a0suwGmu9r3Gh5 JDIuSNNkGkwPGEYWHexW2L9dzVMLISUTCLbCnjXTAWwteZjrJgogrqqLKnYffvjFl7Gh CuNq1OJxuQ+1+mvysciaH87CabA7tKSHyz+M1IlapEdVWQy4qU4Qyvx3RXIGSYuaoSbG YINPZMBixmULAHlves9AI/e+U4hymYrjjszd7FDqo3kSIDT0bj5pE8nGsgudtWPyUYxp zP5Q== 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=IIesNPbHaRzEj/5IywWRoX05LDCYgMB7xyLkL1e6/rQ=; b=OnYb7MSe2mP92heLMYnjyM3G6MufPvOM1myW/aWYNi/1F3H/TcFBUAbTfwWSazpdwu Z554oW+frGmgwCuUT44DP1Fl7Egsb+ePCku2yicGQGERpFuxPrWBybC04lM5gDkQKTUp 022BOyQ/QmZCxXwj70X3SK6QYTS/JYMvdTPimXROtnwHgTWGWznljtKzeop5PRjZaVD2 BOoGxoLA/wlK6lnMAEL4GktWut9zO4X0IbzAZVlRDLPBr5kYAqoCgwqg30QdHra//aAc n1VMoSC2GLF4RAyw58j/h4T5AyRwpqQSS79cPXbzQ92svscfjzMf9Vmp+NYWEH/xUMjM PAtA== X-Gm-Message-State: AJaThX6URqP4/FacxbDpd1nLoVEGWda0Vr83JRSH46xKNuBffO8udB2g ubmBKlQsZBJ7bLND6uHarL+Tx/LH+PSW5xv4qadgIBi+ X-Google-Smtp-Source: AGs4zMbe4kEGbosvx/dzzyt1W0Wm1WtgLSwrErs6XMjOIM1iPZeB1nTy9uT8sRKfP70ryl2Kl2VWkP23HDs4O+90Dag= X-Received: by 10.25.76.68 with SMTP id z65mr685478lfa.234.1510680138702; Tue, 14 Nov 2017 09:22:18 -0800 (PST) MIME-Version: 1.0 Received: by 10.25.198.200 with HTTP; Tue, 14 Nov 2017 09:21:37 -0800 (PST) From: Jim Apple Date: Tue, 14 Nov 2017 09:21:37 -0800 Message-ID: Subject: thread_local compatible with other threading models? To: "dev@impala" Content-Type: multipart/alternative; boundary="001a114b0f9009874b055df4a111" archived-at: Tue, 14 Nov 2017 17:22:30 -0000 --001a114b0f9009874b055df4a111 Content-Type: text/plain; charset="UTF-8" A quick git grep shows use of both boost::thread and pthread. C++14 has a thread_local keyword: http://eel.is/c++draft/basic.stc.thread Do we know if the semantics of thread_local in C++14 are compatible with thread-locality in pthreads and boost::thread? --001a114b0f9009874b055df4a111--