From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from picard.linux.it (picard.linux.it [213.254.12.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9B0D1FA3741 for ; Tue, 1 Nov 2022 01:06:16 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id E67113CAC4D for ; Tue, 1 Nov 2022 02:06:13 +0100 (CET) Received: from in-4.smtp.seeweb.it (in-4.smtp.seeweb.it [IPv6:2001:4b78:1:20::4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id 6E9F83C2A0E for ; Tue, 1 Nov 2022 02:06:01 +0100 (CET) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by in-4.smtp.seeweb.it (Postfix) with ESMTPS id 47FD610005A2 for ; Tue, 1 Nov 2022 02:05:59 +0100 (CET) Received: from canpemm100005.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4N1Wvg0SDyzpW3X; Tue, 1 Nov 2022 09:02:23 +0800 (CST) Received: from canpemm500005.china.huawei.com (7.192.104.229) by canpemm100005.china.huawei.com (7.192.105.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 1 Nov 2022 09:05:50 +0800 Received: from canpemm500005.china.huawei.com ([7.192.104.229]) by canpemm500005.china.huawei.com ([7.192.104.229]) with mapi id 15.01.2375.031; Tue, 1 Nov 2022 09:05:50 +0800 To: Cyril Hrubis Thread-Topic: [LTP] [PATCH] syscalls/fork02: new test for fork() Thread-Index: AdjtjZcstlrrk4sp+Ua4GVXvanPiLg== Date: Tue, 1 Nov 2022 01:05:49 +0000 Message-ID: <0aaeb7d55c194ca79b2958dc8c4e5204@huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.67.110.209] MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Virus-Scanned: clamav-milter 0.102.4 at in-4.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH] syscalls/fork02: new test for fork() X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: zhaogongyi via ltp Reply-To: zhaogongyi Cc: LTP List Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Hi Cyril, > > Hi! > > > > Verify that current workdir correctly inherited by child. > > > > > > Why test this? Does fork() man-pages menthion this? > > > > > > > Man-pages does not menthion this, and the other field inherited does > not mentioned too. > > I guess that this is described in POSIX in: > > "The new process (child process) shall be an exact copy of the calling > process (parent process) except as detailed below:" > > at https://pubs.opengroup.org/onlinepubs/9699919799/ > > And there is nothing about working dir in the list of special cases hence > working dir is exactly the same as for parent since it has to be exact copy > of parent. > It seems reasonable to not test the result of full inheritance from the parent process, otherwise there are a lot of testcases. Regards, Gongyi -- Mailing list info: https://lists.linux.it/listinfo/ltp