From: "Basil L. Contovounesios" <contovob@tcd.ie>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 33018@debbugs.gnu.org
Subject: bug#33018: 26.1.50; thread starvation with async processes and accept-process-output
Date: Sun, 14 Oct 2018 16:00:56 +0100 [thread overview]
Message-ID: <87h8hoh8t3.fsf@tcd.ie> (raw)
In-Reply-To: <83o9bzwpty.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 12 Oct 2018 11:07:21 +0300")
Eli Zaretskii <eliz@gnu.org> writes:
>> From: "Basil L. Contovounesios" <contovob@tcd.ie>
>> Date: Thu, 11 Oct 2018 15:57:50 +0100
>>
>> I attach a sample program test.el whose central function, test-slave,
>> invokes wget asynchronously before waiting for the process to exit.
>>
>> The issue I'm facing is that running test-slave twice in succession,
>> each time in a new thread, causes accept-process-output to hang with no
>> output (unless a timeout argument is given, in which case the function
>> returns nil) the second time around.
>
> When the hang happens, is there any wget process still alive, or did
> they all exit? Please use OS tools to find that out, don't rely on
> what Emacs thinks.
When the hang happens, the wget process launched by the waiting thread
is still alive but asleep (idle), as reported by ps and top.
--
Basil
next prev parent reply other threads:[~2018-10-14 15:00 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-11 14:57 bug#33018: 26.1.50; thread starvation with async processes and accept-process-output Basil L. Contovounesios
2018-10-12 8:07 ` Eli Zaretskii
2018-10-14 15:00 ` Basil L. Contovounesios [this message]
2018-10-14 15:17 ` Eli Zaretskii
2018-10-14 15:36 ` Basil L. Contovounesios
2018-10-12 12:02 ` Michael Albinus
2018-10-12 12:43 ` Eli Zaretskii
2018-10-12 12:49 ` Michael Albinus
2018-10-14 15:17 ` Basil L. Contovounesios
2018-10-15 8:02 ` Michael Albinus
2018-10-16 1:15 ` Basil L. Contovounesios
2018-10-16 13:54 ` Michael Albinus
2018-10-16 14:55 ` Basil L. Contovounesios
2018-10-16 14:58 ` Eli Zaretskii
2018-10-17 17:37 ` Basil L. Contovounesios
2018-10-17 17:56 ` Eli Zaretskii
2018-10-17 18:05 ` Basil L. Contovounesios
2018-10-17 18:20 ` Eli Zaretskii
2018-10-17 18:25 ` Eli Zaretskii
2018-10-17 20:46 ` Basil L. Contovounesios
2018-10-20 8:34 ` Eli Zaretskii
2018-10-17 20:02 ` Basil L. Contovounesios
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