From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Olivier Dion via General Guile related discussions Newsgroups: gmane.lisp.guile.user Subject: Re: [ANN] Guile-Parallel 1.0.0 released Date: Mon, 02 Jan 2023 15:28:17 -0500 Message-ID: <87k024ptpa.fsf@laura> References: <87wn68p6qi.fsf@laura> <87pmbzpb6h.fsf@laura> Reply-To: Olivier Dion Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="36613"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Zelphir Kaltstahl To: Greg Troxel , Olivier Dion via General Guile related discussions Original-X-From: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Mon Jan 02 21:29:06 2023 Return-path: Envelope-to: guile-user@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pCRQf-0009L9-RN for guile-user@m.gmane-mx.org; Mon, 02 Jan 2023 21:29:05 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pCRQA-0006hw-WE; Mon, 02 Jan 2023 15:28:35 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pCRQ9-0006hm-D9 for guile-user@gnu.org; Mon, 02 Jan 2023 15:28:33 -0500 Original-Received: from smtp.polymtl.ca ([132.207.4.11]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pCRQ7-000474-Jy for guile-user@gnu.org; Mon, 02 Jan 2023 15:28:33 -0500 Original-Received: from localhost (modemcable094.169-200-24.mc.videotron.ca [24.200.169.94]) by smtp.polymtl.ca (8.14.7/8.14.7) with ESMTP id 302KSHVr018795; Mon, 2 Jan 2023 15:28:22 -0500 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp.polymtl.ca 302KSHVr018795 In-Reply-To: X-Poly-FromMTA: (modemcable094.169-200-24.mc.videotron.ca [24.200.169.94]) at Mon, 2 Jan 2023 20:28:17 +0000 Received-SPF: pass client-ip=132.207.4.11; envelope-from=olivier.dion@polymtl.ca; helo=smtp.polymtl.ca X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Original-Sender: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.lisp.guile.user:18824 Archived-At: On Mon, 02 Jan 2023, Greg Troxel wrote: > O > Olivier Dion via General Guile related discussions > writes: > >> I haven't use fibers a lot, but I think that if you ever need to handle >> asynchronous I/O, for now you should stick with fibers. Also, fibers >> was written by peoples that have a way better understanding of Guile >> internal then I do, so I would expect it to be better in some areas. It >> also use epoll(2) instead of select(2), which is way better for events >> listening. I will make the change once Guile has native support for >> epoll(2). I currently only use select(2) for listening on >> timerfd_create(2) timers to handle sleeps of userspace threads, so the >> impact is marginal. > > epoll is as I understand it linux only so that's not a reasonable > dependency. fibers now works with libevent which wraps multiple > faclilities and is thus pretty portable. I typically only develop for Linux. But I don't mind using an abstraction that could be portable for other systems. Do you think libevent has something similar to timerfd_create(2)? That is, timers represented by file descriptor. -- Olivier Dion oldiob.dev