From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#62990: 30.0.50; UDP server closes connection upon receiving an empty packet Date: Wed, 26 Apr 2023 13:30:32 +0300 Message-ID: <83v8hjszp3.fsf@gnu.org> References: <87wn21br45.fsf@gmail.com> <87ttx49yg0.fsf@gmail.com> <87354nt37h.fsf@gmail.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="27983"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 62990@debbugs.gnu.org, mail@vasilij.de To: Robert Pluim Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Apr 26 12:31:18 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1prcQg-0007Ad-2M for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 26 Apr 2023 12:31:18 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1prcQT-0005Zz-GT; Wed, 26 Apr 2023 06:31:05 -0400 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 1prcQQ-0005Zi-QY for bug-gnu-emacs@gnu.org; Wed, 26 Apr 2023 06:31:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1prcQQ-0001fG-If for bug-gnu-emacs@gnu.org; Wed, 26 Apr 2023 06:31:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1prcQP-00041x-TI for bug-gnu-emacs@gnu.org; Wed, 26 Apr 2023 06:31:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 26 Apr 2023 10:31:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 62990 X-GNU-PR-Package: emacs Original-Received: via spool by 62990-submit@debbugs.gnu.org id=B62990.168250501615433 (code B ref 62990); Wed, 26 Apr 2023 10:31:01 +0000 Original-Received: (at 62990) by debbugs.gnu.org; 26 Apr 2023 10:30:16 +0000 Original-Received: from localhost ([127.0.0.1]:54358 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1prcPg-00040r-5C for submit@debbugs.gnu.org; Wed, 26 Apr 2023 06:30:16 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:36110) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1prcPb-0003zX-9y for 62990@debbugs.gnu.org; Wed, 26 Apr 2023 06:30:14 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1prcPU-0001PG-Bf; Wed, 26 Apr 2023 06:30:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=J3D8fngqBdGIEeGujCx86zNJ3sHUtOV7GGIbVhxlOiM=; b=NtMCFMtfhMau ng5qCcGoEDFg3dcLwbRwC9jC5vQnf0U3TyKZuOfiMVFnk1CDzUAR+5hmg70UCIy29DXDClqvwofwA cVd14NDJpoByZh1OfjcAP2IpfKOa3mupkAkmvlUojKdcSezgafwmgbG94r6At8zXlR68fId4pw/p+ TbR81v0/ylRBuXeqffsJOegbqNsqSv/UFPmC6dqV1ymOKG0fq3jnkxqev0ZuTG4Qd4UEUaC1KQBVk 7xmHYnDRxADBCGbvm7m3l4NC5tXk4usZfvLQOHandrin//Qdvivrard8h1dXnybtEkqOcJsY75Vwx LJsSHFnGm14ChP0dPiTM+g==; Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1prcPT-0006eg-Al; Wed, 26 Apr 2023 06:30:04 -0400 In-Reply-To: <87354nt37h.fsf@gmail.com> (message from Robert Pluim on Wed, 26 Apr 2023 11:14:42 +0200) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:260660 Archived-At: > Cc: 62990@debbugs.gnu.org > From: Robert Pluim > Date: Wed, 26 Apr 2023 11:14:42 +0200 > > So allowing emacs to send 0-length UDP packets turned out to be not > too hard. Patch for both below. Eli, is this OK for master? It does > change 2 behaviours: > > 1. Receiving a 0-length UDP packet will no longer cause an error > 2. Calling (process-send-string proc "") now actually sends out a > packet for a UDP process (an empty one). Do we want some variable to get back the old behavior, in case some application out there depends on that? Otherwise, fine by me, thanks.