From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp11.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms0.migadu.com with LMTPS id SLGKA732PmIkkwAAgWs5BA (envelope-from ) for ; Sat, 26 Mar 2022 12:19:25 +0100 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp11.migadu.com with LMTPS id aFT3AL32PmIFbQEA9RJhRA (envelope-from ) for ; Sat, 26 Mar 2022 12:19:25 +0100 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id CD20F13066 for ; Sat, 26 Mar 2022 12:19:24 +0100 (CET) Received: from localhost ([::1]:48274 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nY4S4-0004Pw-1A for larch@yhetil.org; Sat, 26 Mar 2022 07:19:24 -0400 Received: from eggs.gnu.org ([209.51.188.92]:37450) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nY4RR-0004PF-SC for guix-devel@gnu.org; Sat, 26 Mar 2022 07:18:47 -0400 Received: from pelzflorian.de ([5.45.111.108]:40576 helo=mail.pelzflorian.de) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nY4RO-0001MS-HP; Sat, 26 Mar 2022 07:18:45 -0400 Received: from pelzflorian.localdomain (unknown [5.45.111.108]) by mail.pelzflorian.de (Postfix) with ESMTPSA id 06FE5360630; Sat, 26 Mar 2022 12:18:40 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=pelzflorian.de; s=mail; t=1648293520; bh=18FnvLriJNBX+eDB7djAQeuBEAN/4SaDKF0s/9C6zgs=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=ex2gwKdgid438aAl3hG2IJlN/j7p2ONnd7F72pB0vW5MyUmCuVAylj8YU8Z2+cw7Y naoUGTbxmEoZUEEe0G4+IqP12dECDeRRcx0GgqoKGs5MxU1NYhuRB4BnnfvkW9jIeT uSWn+lWZVsFzNk6xuF6PyBMey1lj8O5lMfuddNxc= Date: Sat, 26 Mar 2022 12:18:34 +0100 From: "pelzflorian (Florian Pelz)" To: Zhu Zihao Subject: Re: The Shepherd on Fibers Message-ID: <20220326111834.zwqeswbc7vrsl4bz@pelzflorian.localdomain> References: <87ee2sfg9d.fsf@inria.fr> <20220326110627.dm3t7u2jtjxz5xf6@pelzflorian.localdomain> <868rsxufwx.fsf@163.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <868rsxufwx.fsf@163.com> Received-SPF: pass client-ip=5.45.111.108; envelope-from=pelzflorian@pelzflorian.de; helo=mail.pelzflorian.de X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: guix-devel@gnu.org Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN X-Migadu-To: larch@yhetil.org X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1648293564; h=from:from:sender:sender:reply-to:subject:subject: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:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=yEiZXpN7aJbV9pRNSitpyr55j95W/XhQuP/jhiPDvgM=; b=q9Gz36EbHy26Gsxf4AxLDlxr74U0vK5wqgUPkSNp7m+6B63WhXtxySIo7fjyaZAVd3U/0i 1iLoT/LZJdOeuJAeo3ZLmxC05vqHC4zqGusxZFiBq44tfYue+WWVbSTubjHotRrIkVJt4J 9INgEmAK9iVH4jZtG4sxUyADGx8zhqGjy3wTJ4N/y5Qch2PZnhgAnQrgeTuRR3bOc3IehQ Ed0YvrrYtjHjSTIhMTLDBWomRMk+cB41f30p5Wx2GpPHYU406S/kUzgTbJV8sVncoW6Q4k oPMKZpuUwsJWnrQX0ZMb8ua8ZZf/xQWhx7nhT3mprFdqcOPxXkHvdZaLmiXOWQ== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1648293564; a=rsa-sha256; cv=none; b=roizDA2Vo4k4Q95ARH6hlF55UK7+K4chuDB5SSPa2WUoXKzwZYbxW+/AkMFGweOon/jvfW 4kxmKSiWRY87O9BTykjNIe5Wwjulzsm51HyffSum9je4Xw+/+QHzuAeuWdYq7KYoJZFezK uqaI/zhfMQeB2lZUEsrUf1LDkUyfFyhIFNP61orlkRr2fLB1BX+O4IT7ytxjDMc2vvY+WB WXu5NG4YjEhihG1GVaigXncZb2UvL/pQpWku9PVJqXYqt4L34502SEyUf4U/Pmx/H7bQGs 8KihG7L+AlHFSs6Y4vxC/CWlhDc7n821OqEQyyDen6IrqjnweWhv9f9t2oEdyw== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=pelzflorian.de header.s=mail header.b=ex2gwKdg; dmarc=none; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: 0.32 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=pelzflorian.de header.s=mail header.b=ex2gwKdg; dmarc=none; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: CD20F13066 X-Spam-Score: 0.32 X-Migadu-Scanner: scn0.migadu.com X-TUID: LWId1tjHw2nn On Sat, Mar 26, 2022 at 07:09:12PM +0800, Zhu Zihao wrote: > > So shepherd service authors still cannot write blocking code but need > > to yield? > > IMO, service should not block service, if they have something important > to do before running a program, why not fork first and do it in the > child-process (maybe wrap the actual startup program in Guile script)? In other words, all stays the same as without fibers? Regards, Florian