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Mail Archives: cygwin/2022/03/18/09:29:39

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Date: Fri, 18 Mar 2022 22:28:36 +0900
From: Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
To: cygwin AT cygwin DOT com
Subject: Re: Typed characters are mis-ordered when CPU usage is high
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Cc: Orgad Shaneh <orgads AT gmail DOT com>
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On Fri, 18 Mar 2022 15:04:31 +0200
Orgad Shaneh wrote:
> On Fri, Mar 18, 2022 at 2:15 PM Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp> wrote:
> > Thanks. I can reproduce the issue. I think I found the cause.
> > The two unexpected things happen.
> >
> > (1) wVirtualKeyCode and wVirtualScanCode of readback key event may
> >     be null'ed even if they are not zero on WriteConsoleInputW().
> >     Therefore, memcmp() report the event is not equal.
> > (2) WriteConsoleInputW() may not be atomic. The event sequence which
> >     is written by WriteConsoleInputW() may be inserted by key input
> >     in the middle of the sequence.
> >
> > A patch for these issues is attached. Could you please test?
> 
> Awesome, looks good now. Thank you very much!
> 
> Hope this is the last bit :)

Thanks for testing!

-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

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