From: Ken Brown <kbrown@cornell.edu>
To: cygwin@cygwin.com
Subject: Re: Sv: Named pipes and multiple writers
Date: Thu, 26 Mar 2020 11:11:29 -0400 [thread overview]
Message-ID: <18b661e1-e8f5-bcc6-0211-e39c383c1580@cornell.edu> (raw)
In-Reply-To: <35b43b59-6410-f21f-710c-385e39cbae0b@cornell.edu>
On 3/26/2020 10:06 AM, Ken Brown via Cygwin wrote:
> [Let's keep the discussion on the list in case others have suggestions.]
>
> On 3/25/2020 9:41 AM, sten.kristian.ivarsson@gmail.com wrote:
>> [snip]
>>>> As far as I can see, reading through history, this have been a known
>>>> issue for quite some time, but it seems like there have been some
>>>> attempts to solve it, e.g. in the branch topic/fifo (by Ken Brown)
>>
>> [snip]
>>>> Does anyone have any knowledge about if this (topic/fifo branch) is
>>>> working and/or if it is somehow planned to make it into the master
>>>> branch and end up in a future release ?
>>
>>> That branch is obsolete. Support for multiple writers was added to Cygwin
>> as of release 3.1.0.
>>
>> Ok, thanks, but we're running 3.1.4 (and tested 3.1.5) but do still have
>> problems (experiencing ENXIO (No such device or address)) but actually (as
>> far as we see) with the 3:rd writer ?
>>
>> We need to investigate the issue more thoroughly and might get back when we
>> have more knowledge
>
> Does the ENXIO come from fhandler_fifo::wait? If so, it's quite possible that
> there's a bug involving read_ready in my code.
BTW, I've been working on adding support for multiple readers. I expect to have
a first cut ready within a week or two. Would you have any use for that? If
so, I could revive the topic/fifo branch and push my patches there for you to test.
Ken
next prev parent reply other threads:[~2020-03-26 15:11 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-25 11:11 sten.kristian.ivarsson
2020-03-25 12:44 ` Ken Brown
[not found] ` <18be01d602ab$0bbfca30$233f5e90$@gmail.com>
2020-03-26 14:06 ` Sv: " Ken Brown
2020-03-26 15:11 ` Ken Brown [this message]
2020-03-26 16:03 ` Norton Allen
2020-03-26 16:44 ` Ken Brown
2020-03-26 17:00 ` Norton Allen
2020-03-26 22:01 ` Sv: " sten.kristian.ivarsson
2020-03-26 22:39 ` Ken Brown
2020-03-26 23:19 ` Ken Brown
2020-03-27 13:10 ` Ken Brown
2020-03-27 14:53 ` Sv: " sten.kristian.ivarsson
2020-03-27 22:56 ` Ken Brown
2020-03-27 23:00 ` Ken Brown
2020-03-28 12:10 ` Sv: " sten.kristian.ivarsson
2020-03-28 15:43 ` Ken Brown
2020-03-29 2:19 ` Ken Brown
2020-03-30 17:44 ` Ken Brown
2020-03-31 21:10 ` Sv: " sten.kristian.ivarsson
2020-03-31 22:02 ` Ken Brown
2020-04-01 7:45 ` Sv: " sten.kristian.ivarsson
2020-04-01 13:47 ` Ken Brown
2020-04-01 8:52 ` sten.kristian.ivarsson
2020-04-01 16:15 ` Ken Brown
2020-04-01 17:14 ` Sv: " sten.kristian.ivarsson
2020-04-01 18:34 ` Ken Brown
2020-04-02 2:19 ` Ken Brown
2020-04-02 8:05 ` Sv: " sten.kristian.ivarsson
2020-04-02 12:47 ` Sv: Sv: Sv: Sv: Sv: Sv: Sv: Sv: Named pipes and multiple wri Gregery Barton
2020-04-02 18:21 ` Sv: Sv: Sv: Sv: Sv: Sv: Sv: Sv: Named pipes and multiple writers Ken Brown
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