From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs Subject: bug#23808: Emacs 25 open-network-stream, make-network-process Date: Mon, 20 Jun 2016 12:08:35 +0200 Message-ID: <5767C0A3.9010902@cs.ucla.edu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1466417373 2183 80.91.229.3 (20 Jun 2016 10:09:33 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 20 Jun 2016 10:09:33 +0000 (UTC) To: 23808@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Jun 20 12:09:21 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1bEw8t-0006a4-W7 for geb-bug-gnu-emacs@m.gmane.org; Mon, 20 Jun 2016 12:09:20 +0200 Original-Received: from localhost ([::1]:42432 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bEw8s-0007bn-UA for geb-bug-gnu-emacs@m.gmane.org; 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Mon, 20 Jun 2016 03:08:39 -0700 (PDT) Original-Received: from [192.168.1.2] (host81-220-dynamic.35-79-r.retail.telecomitalia.it [79.35.220.81]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 49F5C1613C3 for ; Mon, 20 Jun 2016 03:08:39 -0700 (PDT) User-Agent: Mozilla/5.0 (X11; Linux i686; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:119819 Archived-At: [I'm passing this along from a correspondent who wishes to remain anonymous.] Hello, the recent changes to make-network-process (between jan and the end of april) may have introduced some problems, (I think they may still be current, apologies otherwise) I. misreporting the status of a failed network connection: when open-network-stream is interrupted after `SYN_SENT': For example: 1. $ iptables -A OUTPUT -p tcp --dport 6697 -j DROP -d 127.0.0.1 2. $ nc -v localhost 6697 #;hangs 3. (open-network-stream "test-proc" "test-buffer" "127.0.0.1" 6697) ; ^G 4. (list-processes) 5. (process-status "test-proc") ; open 6. (process-send-string "test-proc" "foo") ; error fd closed 7. (delete-process "test-proc") For testing on linux, step 1 makes connections to localhost:6697 hang, step 2 verifies this using `netcat'. interrupt step 3 with a ^G, step 4 lists a spurious "test-proc" which should not exist, and step 5 reports its state as 'open, while step 6 confirms the fd is closed. II. spurious "server-client-test" processes with 1. emacs --daemon -Q 2. emacsclient -t 3. list-processes AFAICT from server.el these processes should not exist. Sometimes I've seen half a dozen of these "server-client-test" processes when the daemon was slow to start up with multiple clients connecting.