delorie.com/archives/browse.cgi   search  
Mail Archives: cygwin/2021/04/15/09:15:11

X-Recipient: archive-cygwin AT delorie DOT com
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CB8F1383B407
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com;
s=default; t=1618492507;
bh=QtQL8iQOJiq9uQ4CrbfzFkNrNUx9WdYJSG6OAoFsE9U=;
h=To:References:In-Reply-To:Subject:Date:List-Id:List-Unsubscribe:
List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:
From;
b=XoMpQWfJgMQURGvze3O5OUgHa6k/IpGXk67xy/Dn2DHBRv3suWAZ5bPArzeUARQLp
KYKoWepY9ajwJ0K9COYWfZWQD4K8+ISNHkRSbiqBv4NyEoC3nhdXhKRBD1fc7Rrdbm
KCKGjh3U9cS3qaEPtZWmbujuu3aS3VEpmclbmsSI=
X-Original-To: cygwin AT cygwin DOT com
Delivered-To: cygwin AT cygwin DOT com
DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 82D643858025
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20161025;
h=x-gm-message-state:from:to:references:in-reply-to:subject:date
:message-id:mime-version:content-transfer-encoding:content-language
:thread-index;
bh=B6d64Ejfa2t82tJ3FXQpR3Je9E6YOYa3ubmLCMoF9bE=;
b=hc8XSCFxlrtRHbdE59/OmzFVCxvsDHTkfhxso8bVmReHVB7sOqqUGsMCWwR9YHhBO6
qaEZaEElyZbk1aim/VgPlPfht2mNIbfOmQaCENxt7spPpju9MHj39sB7Ry1SviSirUmr
V4YxAO3Z+Ner0veHDlej3Tmq6HN/Elo5byMVFKwzVISlSuQmCQ5vgs6yK6vnMaFzBN9l
u0gdzENZgJbDyiVw/IomGEDiuOIctFhB1cWsIDt5VpdN0u/KlmcwYW/0ubhHZtjjxl2S
75R1vnOOR2rAi0H7BNC0eSy1S4rKioyl8S4bR1YBDYre6I/ARHBJPV9Y5KB9kG3nNMDl
lzXQ==
X-Gm-Message-State: AOAM53089ECGj2YOiR8L3B/HQU6/l1wJjnlXDz0IMjwac0wEu9YnVPYZ
EslTgCqilyzbSHOE0JIVc2nIstmAOEq3XQ==
X-Google-Smtp-Source: ABdhPJzLJSd3x/RFkCYQpp0MWpe7cAk6TsSKX8BFj2JYUWA5e7aTLf6qGTT+/VVFg1xdl2t5ubM6wg==
X-Received: by 2002:a05:6512:3046:: with SMTP id
b6mr2673655lfb.5.1618492504097;
Thu, 15 Apr 2021 06:15:04 -0700 (PDT)
To: "'Ken Brown'" <kbrown AT cornell DOT edu>, <cygwin AT cygwin DOT com>
References: <04cc01d71ffa$7d1e6cf0$775b46d0$@gmail.com>
<YFo/fFC2bITvnVGr AT xps13> <00d901d7208e$97c05c50$c74114f0$@gmail.com>
<860668bf-8cf9-0969-6a01-7fbf8b782db1 AT cornell DOT edu>
<000901d72607$55dc5a90$01950fb0$@gmail.com>
<3346cd1c-b93f-83c4-ff26-553ac95ec692 AT cornell DOT edu>
<7c21a430-9609-7fd4-1a02-8b7c1978d2f8 AT cornell DOT edu>
<001901d72af4$4009cd50$c01d67f0$@gmail.com>
<134074c1-4c0b-0842-b88b-536a1ed4aefe AT cornell DOT edu>
<000e01d7306e$3c265580$b4730080$@gmail.com>
<19cf8626-c653-76db-a409-730a5aa5c955 AT cornell DOT edu>
<4380cdea-c95b-d9dc-50e3-e5adabb73b92 AT cornell DOT edu>
<000701d73151$9c259660$d470c320$@gmail.com>
<2e64e918-b28b-753e-8337-c757cc62b9bb AT cornell DOT edu>
In-Reply-To: <2e64e918-b28b-753e-8337-c757cc62b9bb@cornell.edu>
Subject: RE: AF_UNIX/SOCK_DGRAM is dropping messages
Date: Thu, 15 Apr 2021 15:15:03 +0200
Message-ID: <000001d731f9$58e417c0$0aac4740$@gmail.com>
MIME-Version: 1.0
X-Mailer: Microsoft Outlook 16.0
Thread-Index: AQIPffBCgY7dkx32YYBd4buxXBOzegICwCl2At957CQCAh4QbgK/qZQ0Aiflzi4DDsW9ugMOPnyiAg8iLcEB0zQOqwLLQMAbAeO3FIwBoD1qHQE1vHVhqVp0hOA=
X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00, DKIM_SIGNED,
DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,
SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2
X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on
server2.sourceware.org
X-BeenThere: cygwin AT cygwin DOT com
X-Mailman-Version: 2.1.29
List-Id: General Cygwin discussions and problem reports <cygwin.cygwin.com>
List-Archive: <https://cygwin.com/pipermail/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-request AT cygwin DOT com?subject=help>
List-Subscribe: <https://cygwin.com/mailman/listinfo/cygwin>,
<mailto:cygwin-request AT cygwin DOT com?subject=subscribe>
From: Kristian Ivarsson via Cygwin <cygwin AT cygwin DOT com>
Reply-To: sten DOT kristian DOT ivarsson AT gmail DOT com
Sender: "Cygwin" <cygwin-bounces AT cygwin DOT com>

[snip]

> > I tried SOCK_STREAM (and SOCK_SEQPACKET I think) for CYGWIN 3.2.0 but
> > that didn't work at all
> >
> > As far as I understand, both all types on pretty much all
> > implementations preserves message ordering though
> >
> > I haven't tried SOCK_STREAM and/or SOCK_SEQPACKET with the
> topic/af_unix-branch. Is that worth a try ?
> 
> SOCK_STREAM is definitely worth a try.  The implementation of that should be
> much more reliable than the implementation of SOCK_DGRAM at the
> moment.  We don't implement SOCK_SEQPACKET.

It might be a complete rewrite of our semantics though, because it's connection based and allows just one writer on each "channel" and messages (chunks) cannot be handled "atomically"


Best regards,
Kristian

> Ken

--
Problem reports:      https://cygwin.com/problems.html
FAQ:                  https://cygwin.com/faq/
Documentation:        https://cygwin.com/docs.html
Unsubscribe info:     https://cygwin.com/ml/#unsubscribe-simple

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019