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 032A2384B0CC for ; Thu, 12 May 2022 13:51:09 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 032A2384B0CC 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 sslproxy06.your-server.de ([78.46.172.3]) by dedi548.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1np9Df-0004ou-N7; Thu, 12 May 2022 15:51:07 +0200 Received: from [82.100.198.138] (helo=mail.embedded-brains.de) by sslproxy06.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1np9Df-000LFE-R6; Thu, 12 May 2022 15:51:07 +0200 Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id 8B1ED480180; Thu, 12 May 2022 15:51:07 +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 nfNbXCzeFW3Q; Thu, 12 May 2022 15:51:05 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id B079E4800C8; Thu, 12 May 2022 15:51:05 +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 2zIO9Yf4RwKC; Thu, 12 May 2022 15:51:05 +0200 (CEST) Received: from [10.10.171.14] (unknown [10.10.171.14]) by mail.embedded-brains.de (Postfix) with ESMTPSA id 719744800B0; Thu, 12 May 2022 15:51:05 +0200 (CEST) Message-ID: <8a105adc-3b61-646c-be4a-d4555abba4aa@embedded-brains.de> Date: Thu, 12 May 2022 15:51:04 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [PATCH v2 05/11] Remove __sinit_locks / __sinit_recursive_mutex Content-Language: en-US To: Torbjorn SVENSSON , Matthew Joyce , "newlib@sourceware.org" References: <20220512121143.21473-1-matthew.joyce@embedded-brains.de> <20220512121143.21473-6-matthew.joyce@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 0.103.5/26539/Thu May 12 10:04:41 2022) X-Spam-Status: No, score=-6.6 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: Thu, 12 May 2022 13:51:11 -0000 On 12/05/2022 15:25, Torbjorn SVENSSON via Newlib wrote: > What about the retargetable locking scheme? > Should the mutex __sinit_recursive_mutex be removed from newlib/libc/mi= sc/lock.c too? Yes, we should this dummy mutex. > Without removing the mutex, I suppose there would be a mutex that is ne= ver used in the system. > Removing the mutex would pose an API break as I assume that the functio= ns defined in newlib/libc/include/sys/lock.h (and implemented in newlib/l= ibc/misc/lock.c) are to be considered API as it's the functions that the = application needs to provide in order to ensure newlib is thread safe. It shouldn't hurt if a lock implementer provides an unused mutex. --=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/