From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dedi548.your-server.de (dedi548.your-server.de [85.10.215.148]) by sourceware.org (Postfix) with ESMTPS id 75F233858C56 for ; Tue, 21 Jun 2022 15:10:26 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 75F233858C56 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=embedded-brains.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=embedded-brains.de Received: from sslproxy02.your-server.de ([78.47.166.47]) by dedi548.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1o3fWJ-0008BF-8b; Tue, 21 Jun 2022 17:10:23 +0200 Received: from [82.100.198.138] (helo=mail.embedded-brains.de) by sslproxy02.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1o3fWJ-000QcP-FE; Tue, 21 Jun 2022 17:10:23 +0200 Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id 202734800BF; Tue, 21 Jun 2022 17:10:23 +0200 (CEST) Received: from mail.embedded-brains.de ([127.0.0.1]) by localhost (zimbra.eb.localhost [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id c2IgO5L4rOoX; Tue, 21 Jun 2022 17:10:22 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id 7F5304800C5; Tue, 21 Jun 2022 17:10:22 +0200 (CEST) X-Virus-Scanned: amavisd-new at zimbra.eb.localhost Received: from mail.embedded-brains.de ([127.0.0.1]) by localhost (zimbra.eb.localhost [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id rKdBSSdVbbFz; Tue, 21 Jun 2022 17:10:22 +0200 (CEST) Received: from [10.10.171.14] (unknown [10.10.171.14]) by mail.embedded-brains.de (Postfix) with ESMTPSA id D806B4800BF; Tue, 21 Jun 2022 17:10:21 +0200 (CEST) Message-ID: <0266682c-eed2-da73-58b9-f7c44c631b72@embedded-brains.de> Date: Tue, 21 Jun 2022 17:10:20 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH 14/14] Add --enable-newlib-reent-thread-local option Content-Language: en-US To: Torbjorn SVENSSON , "newlib@sourceware.org" References: <20220621124931.36450-1-sebastian.huber@embedded-brains.de> <20220621124931.36450-15-sebastian.huber@embedded-brains.de> From: Sebastian Huber In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Authenticated-Sender: smtp-embedded@poldinet.de X-Virus-Scanned: Clear (ClamAV 0.103.6/26579/Tue Jun 21 10:15:30 2022) X-Spam-Status: No, score=-5.5 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS, NICE_REPLY_A, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: newlib@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Newlib mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 Jun 2022 15:10:32 -0000 Hello Torbjorn, On 21/06/2022 15:59, Torbjorn SVENSSON wrote: > Just out of curiosity, how will this impact RTOSes like FreeRTOS? the new option is disabled by default. So, there will be no impact on=20 existing systems (unless we made a mistake in the patch set). > Currently, FreeRTOS updates the impure_ptr to point to an instance of s= truct _reent that belongs to that particular task when the scheduler is s= witching task. >=20 > Seehttps://www.freertos.org/a00110.html#configUSE_NEWLIB_REENTRANT and= https://github.com/FreeRTOS/FreeRTOS-Kernel/blob/main/tasks.c#L2047 for = details. This will work as before. Using the new option for FreeRTOS could help=20 to reduce the minimum storage foot print. --=20 embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.huber@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht M=C3=BCnchen Registernummer: HRB 157899 Vertretungsberechtigte Gesch=C3=A4ftsf=C3=BChrer: Peter Rasmussen, Thomas= D=C3=B6rfler Unsere Datenschutzerkl=C3=A4rung finden Sie hier: https://embedded-brains.de/datenschutzerklaerung/