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-ASN: AS17314 8.43.84.0/22 X-Spam-Status: No, score=-4.2 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,SPF_HELO_PASS,SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (server2.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id A87A21F5AE for ; Thu, 29 Apr 2021 16:16:58 +0000 (UTC) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 9350439540BC; Thu, 29 Apr 2021 16:16:57 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9350439540BC DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1619713017; bh=F82UxUCjA2IoFRru1CJuxTHSCAy04myC7FIYONJVWK8=; h=To:Subject:References:Date:In-Reply-To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=SXgg8vvJ+G7wpYzj7APY7Fc6X/LeyMR/PcOyTBy4YJ/Oq5ClRVSRZoksy/ZF5K3uM f0AYoDhZG9MeyQlSohFgVsEontPo3AEBqQIGlbRaW9VoNablwdI7wceuIswoBPrelF wUTy2zQTBdb2l58srAWlOaImySzAOKFjWwZofurw= Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by sourceware.org (Postfix) with ESMTP id 7804B3851C35 for ; Thu, 29 Apr 2021 16:16:55 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 7804B3851C35 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-197-EhoD38rsO2WBjSfzP4zQcw-1; Thu, 29 Apr 2021 12:16:52 -0400 X-MC-Unique: EhoD38rsO2WBjSfzP4zQcw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0C1C41083EA4; Thu, 29 Apr 2021 16:16:47 +0000 (UTC) Received: from oldenburg.str.redhat.com (ovpn-115-124.ams2.redhat.com [10.36.115.124]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 767F96E708; Thu, 29 Apr 2021 16:16:45 +0000 (UTC) To: Martin Sebor Subject: Re: [PATCH] add attribute none to pthread_setspecific (BZ #27714) References: <2ec7fadb-cc15-a005-f708-d2adecc8cc39@gmail.com> <875z08qqy8.fsf@oldenburg.str.redhat.com> <571eb466-8979-8579-3b52-38f29a628a39@gmail.com> <47fc35d1-05b0-c02e-77dc-b3193aefd865@gmail.com> <8e311d8e-2b4a-06af-b086-7beb0e494422@gmail.com> <87eeeulv93.fsf@oldenburg.str.redhat.com> <878s51h6uj.fsf@oldenburg.str.redhat.com> Date: Thu, 29 Apr 2021 18:16:56 +0200 In-Reply-To: (Martin Sebor's message of "Thu, 29 Apr 2021 08:55:05 -0600") Message-ID: <87lf91dq13.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Florian Weimer via Libc-alpha Reply-To: Florian Weimer Cc: Martin Sebor via Libc-alpha , Joseph Myers Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" * Martin Sebor: >> Is it possible to set the data size as 0? > > There's no way to do that with the existing attribute (in GCC 11.1). > But a solution might be to change GCC 11.2 to treat access none with > void* and no size as size zero. I'll look into that. Thanks, looking forward to it. Florian