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 776963858D28 for ; Tue, 2 May 2023 05:27:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 776963858D28 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 1ptiYB-0001Cr-Hw; Tue, 02 May 2023 07:27:43 +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 1ptiYB-0008tN-EU; Tue, 02 May 2023 07:27:43 +0200 Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id 0EBF7480072; Tue, 2 May 2023 07:27:43 +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 zvrpGyaW9_wV; Tue, 2 May 2023 07:27:42 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id A78BF4800A1; Tue, 2 May 2023 07:27:42 +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 vJB7_dUkHD2h; Tue, 2 May 2023 07:27:42 +0200 (CEST) Received: from [192.168.96.179] (unknown [192.168.96.179]) by mail.embedded-brains.de (Postfix) with ESMTPSA id 0C772480072; Tue, 2 May 2023 07:27:41 +0200 (CEST) Message-ID: <30841cdd-0b28-39f4-196d-64dcffeef0be@embedded-brains.de> Date: Tue, 2 May 2023 07:27:40 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.1 Subject: Re: Memory reclaim errors To: Nick French , newlib@sourceware.org References: Content-Language: en-US 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@poldi-networks.de X-Virus-Scanned: Clear (ClamAV 0.103.8/26893/Mon May 1 09:22:05 2023) X-Spam-Status: No, score=-5.9 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 List-Id: Hello Nick, On 01.05.23 00:52, Nick French wrote: > The line below causes us to free the memory as it is assigned to the > current thread >=20 > (g->_next =3D __sfmoreglue ( d, NDYNAMIC)) =3D=3D NULL) >=20 > changing the local thread to global as below fixes it and the file > handle get reused >=20 > (g->_next =3D __sfmoreglue (_GLOBAL_REENT, NDYNAMIC)) =3D=3D NULL) >=20 > Any comments on our assumptions are appreciated. does this mean the memory allocator used for static struct _glue * sfmoreglue (struct _reent *d, int n) { struct glue_with_file *g; g =3D (struct glue_with_file *) _malloc_r (d, sizeof (*g) + (n - 1) * sizeof (FILE)); if (g =3D=3D NULL) return NULL; g->glue._next =3D NULL; g->glue._niobs =3D n; g->glue._iobs =3D &g->file; memset (&g->file, 0, n * sizeof (FILE)); return &g->glue; } somehow supports thread-specific memory which is automatically freed=20 when the associated thread is terminated? --=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/