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bug#25875: 26.0.50; Hang logging out of MS-Windows
From: |
Eli Zaretskii |
Subject: |
bug#25875: 26.0.50; Hang logging out of MS-Windows |
Date: |
Mon, 27 Feb 2017 21:16:51 +0200 |
> From: Richard Copley <rcopley@gmail.com>
> Date: Mon, 27 Feb 2017 19:04:23 +0000
> Cc: Ken Brown <kbrown@cornell.edu>, 25875@debbugs.gnu.org
>
> >> > +static LRESULT WINAPI
> >> > +DebugSendMessage (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
> >> > +{
> >> > + return SendMessageTimeoutA (hWnd, Msg, wParam, lParam, 0, 100, NULL);
> >> > +}
> >> > +
> >> > /* Start update of window W. */
> >> >
> >> > static void
> >> >
> >> > Ken
> >>
> >> Sorry Ken, I can't sabotage myself like that, I have work to do.
> >
> > This could be a misunderstanding: the above change is not supposed to
> > sabotage anything, it's supposed to be a 100% compatible change for
> > the current behavior when all threads are running, and also provide a
> > "fire escape" when the addressee of the message is for some reason
> > stuck, as we think happens in your scenario.
>
> >From the docs for SendMessageTimeout:
> "If the function succeeds, the return value is nonzero.".
> We're going to cast that to HWND and pretend it's a scrollbar?
No, the result is returned in the last argument of SendMessageTimeout
(which shouldn't be NULL for getting hold of that, of course).
- bug#25875: 26.0.50; Hang logging out of MS-Windows, (continued)
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Richard Copley, 2017/02/26
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Eli Zaretskii, 2017/02/26
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Ken Brown, 2017/02/26
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Eli Zaretskii, 2017/02/26
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Ken Brown, 2017/02/26
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Eli Zaretskii, 2017/02/26
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Ken Brown, 2017/02/26
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Richard Copley, 2017/02/27
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Eli Zaretskii, 2017/02/27
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Richard Copley, 2017/02/27
- bug#25875: 26.0.50; Hang logging out of MS-Windows,
Eli Zaretskii <=
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Richard Copley, 2017/02/27
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Richard Copley, 2017/02/27
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Ken Brown, 2017/02/27
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Richard Copley, 2017/02/27
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Richard Copley, 2017/02/27
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Ken Brown, 2017/02/27
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Eli Zaretskii, 2017/02/27
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Richard Copley, 2017/02/27
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Eli Zaretskii, 2017/02/27
- bug#25875: 26.0.50; Hang logging out of MS-Windows, Richard Copley, 2017/02/27