From: Richard Copley <rcopley@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 25875@debbugs.gnu.org
Subject: bug#25875: 26.0.50; Hang logging out of MS-Windows
Date: Tue, 28 Feb 2017 06:37:03 +0000 [thread overview]
Message-ID: <CAPM58ogfy0iOVrZq-bQH_vES-jGg_L3+O1kC6242PqS6xj58Gg@mail.gmail.com> (raw)
In-Reply-To: <83a897outx.fsf@gnu.org>
On 28 February 2017 at 03:30, Eli Zaretskii <eliz@gnu.org> wrote:
>> From: Richard Copley <rcopley@gmail.com>
>> Date: Mon, 27 Feb 2017 21:09:52 +0000
>> Cc: Ken Brown <kbrown@cornell.edu>, 25875@debbugs.gnu.org
>>
>> >> Posting a message and then sleeping while it's processed is odd,
>> >> isn't it? If the input thread /sent/ its message to the main thread,
>> >> then while waiting for SendMessage to return, the input thread would
>> >> automatically continue to process sent messages
>> >
>> > No, it's the main thread that calls SendMessage, to tell the input
>> > thread to draw something. And since the input thread is inside
>> > 'sleep', the SendMessage call never returns, and the main thread never
>> > gets around to checking its input queue, where there's an event bound
>> > to kill-emacs, waiting to be processed.
>>
>> Please Eli, read what I said again. It might not be right, but you
>> misunderstood it.
>> I know the input thread isn't calling SendMessage. It's callling PostMessage and
>> then sleep. I'm suggesting that the input thread should call SendMessage.
>
> The input thread doesn't call PostMessage. It calls post_message,
> which is a private messaging mechanism between the input thread and
> the main thread, implemented in w32xfns.c and based on a critical
> section. IOW, we don't use the Windows messaging in that case. So I
> don't see how calling SendMessage will help in this situation. Am I
> missing something?
I see, thanks.
next prev parent reply other threads:[~2017-02-28 6:37 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-25 19:35 bug#25875: 26.0.50; Hang logging out of MS-Windows Richard Copley
2017-02-25 19:41 ` Richard Copley
2017-02-25 20:36 ` Eli Zaretskii
2017-02-25 21:13 ` Richard Copley
2017-02-26 15:47 ` Eli Zaretskii
2017-02-26 18:26 ` Richard Copley
2017-02-25 20:33 ` Eli Zaretskii
2017-02-25 21:07 ` Richard Copley
2017-02-25 21:30 ` Richard Copley
2017-02-25 21:37 ` Richard Copley
2017-02-25 22:02 ` Richard Copley
2017-02-26 15:47 ` Eli Zaretskii
2017-02-26 18:37 ` Richard Copley
2017-02-26 15:44 ` Eli Zaretskii
2017-02-26 18:04 ` Ken Brown
2017-02-26 18:25 ` Eli Zaretskii
2017-02-26 18:58 ` Ken Brown
2017-02-26 19:25 ` Eli Zaretskii
2017-02-26 23:38 ` Ken Brown
2017-02-27 8:14 ` Richard Copley
2017-02-27 15:36 ` Eli Zaretskii
2017-02-27 19:04 ` Richard Copley
2017-02-27 19:16 ` Eli Zaretskii
2017-02-27 19:23 ` Richard Copley
2017-02-27 19:30 ` Richard Copley
2017-02-27 19:39 ` Ken Brown
2017-02-27 19:46 ` Richard Copley
2017-02-27 19:56 ` Richard Copley
2017-02-27 20:19 ` Ken Brown
2017-02-27 20:27 ` Eli Zaretskii
2017-02-27 20:52 ` Richard Copley
2017-02-27 20:58 ` Eli Zaretskii
2017-02-27 21:09 ` Richard Copley
2017-02-28 3:30 ` Eli Zaretskii
2017-02-28 6:37 ` Richard Copley [this message]
2017-02-27 22:37 ` Ken Brown
2017-02-27 23:03 ` Richard Copley
2017-02-28 3:35 ` Eli Zaretskii
2017-02-28 7:21 ` Richard Copley
2017-02-28 15:36 ` Eli Zaretskii
2017-02-28 16:40 ` Ken Brown
2017-02-28 16:44 ` Eli Zaretskii
2017-02-28 18:59 ` Richard Copley
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