From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2a07:de40:b251:101:10:150:64:1]) by sourceware.org (Postfix) with ESMTPS id 2C8473858C56 for ; Mon, 12 Feb 2024 17:43:51 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 2C8473858C56 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=suse.de ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 2C8473858C56 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2a07:de40:b251:101:10:150:64:1 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1707759832; cv=none; b=F9MCvMjp6iF1idGtwO7zg1lAaZsbiq1a/Z+8S687TxmD1YtS820MRna9Dok65EeOSqX0wy6MD38UT/DLyft9agMZWWJNdtYkL9r0HyluM1sEDbw5SrCBPhd1VFvktEoTMmywpULfxkPybP0snShjnlGoX8Qf0Wr78C0fvTSH7jk= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1707759832; c=relaxed/simple; bh=zH1XvuR+GjoeKhO1AJI2ei4dTprT+2JVqv6YeMAipQM=; h=DKIM-Signature:DKIM-Signature:DKIM-Signature:DKIM-Signature:From: To:Subject:Date:Message-ID:MIME-Version; b=DC5scfh2heBpNsJPGjicxuZPf0m3NlOIjiGiivwkvjmBD0TbJp64jPjOm3BEGbcpHWsjR17sS213t6iFBR2Kl7RP9q2jb0MpZtnoJSUb5ubG/bBoZAehFBtT0wEEKBjG02l+Y5cHmQpkX5MInspOEZcoD8lG0FBzYWY1WXFE+8I= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from hawking.nue2.suse.org (unknown [10.168.4.11]) by smtp-out1.suse.de (Postfix) with ESMTP id 4938221FF5; Mon, 12 Feb 2024 17:43:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1707759830; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=2V0muB8ANY4oFG5ltBTybAhx/yM7xO0R/m6koxJDRT8=; b=puyjaxFq02r8EZx0kicWdkhFr4djw+5YPI23yjK3vkSKiCFzM1nJ141xKYKwDAKcwbP2Kz LQVzj8XNXihsDHphONCm2YVA2WfAPHJRXSJGZAk6i2vDXrIETJfE4dwRArI9eBhoSLWf/J LCF/ny7SUtOX+eY9nUGexWcntcQCQM8= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1707759830; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=2V0muB8ANY4oFG5ltBTybAhx/yM7xO0R/m6koxJDRT8=; b=Rxz4TdpylehGBNNXYE9gohqyiDthnqsjUo39TR8zMU1yziQa7cNxtD3IdYcqGRmgO+E+3k 9pGIcz85Z3y03OBg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1707759830; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=2V0muB8ANY4oFG5ltBTybAhx/yM7xO0R/m6koxJDRT8=; b=puyjaxFq02r8EZx0kicWdkhFr4djw+5YPI23yjK3vkSKiCFzM1nJ141xKYKwDAKcwbP2Kz LQVzj8XNXihsDHphONCm2YVA2WfAPHJRXSJGZAk6i2vDXrIETJfE4dwRArI9eBhoSLWf/J LCF/ny7SUtOX+eY9nUGexWcntcQCQM8= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1707759830; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=2V0muB8ANY4oFG5ltBTybAhx/yM7xO0R/m6koxJDRT8=; b=Rxz4TdpylehGBNNXYE9gohqyiDthnqsjUo39TR8zMU1yziQa7cNxtD3IdYcqGRmgO+E+3k 9pGIcz85Z3y03OBg== Received: by hawking.nue2.suse.org (Postfix, from userid 17005) id 387FE4A03A6; Mon, 12 Feb 2024 18:43:50 +0100 (CET) From: Andreas Schwab To: "Zack Weinberg" Cc: "Askar Safin" , "GNU libc development" Subject: Re: [PATCH v2] Add public function syscall_no_errno In-Reply-To: (Zack Weinberg's message of "Mon, 12 Feb 2024 12:25:27 -0500") References: <20240208152224.11031-2-safinaskar@zohomail.com> <87wmr9ahfv.fsf@oldenburg3.str.redhat.com> <20240212144439.GO22081@brightrain.aerifal.cx> <18d9e1b74fd.108074ea744834.1983132793117906544@zohomail.com> X-Yow: .. One FISHWICH coming up!! Date: Mon, 12 Feb 2024 18:43:50 +0100 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain Authentication-Results: smtp-out1.suse.de; none X-Spam-Level: X-Spam-Score: -2.87 X-Spamd-Result: default: False [-2.87 / 50.00]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-0.98)[-0.979]; MIME_GOOD(-0.10)[text/plain]; NEURAL_SPAM_SHORT(0.40)[0.134]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; TO_DN_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:email]; FUZZY_BLOCKED(0.00)[rspamd.com]; RCVD_COUNT_ZERO(0.00)[0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; MID_RHS_MATCH_FROM(0.00)[]; BAYES_HAM(-2.19)[96.14%] X-Spam-Status: No, score=-3.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,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: On Feb 12 2024, Zack Weinberg wrote: > But I am not having any luck figuring out what bit of glibc's *source* > code tells the syscall stub generator not to emit the code to check for > error returns for these syscalls, It's the E flag in the syscalls.list which sets SYSCALL_NOERRNO to nonzero. -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."