Re: Power: blink-cursor-mode is a pig

[grischka]

Eli Zaretskii wrote:
> > Date: Fri, 30 Dec 2011 23:21:59 -0800
> > From: Daniel Colascione <address@hidden>
> > Cc: YAMAMOTO Mitsuharu <address@hidden>, address@hidden
> >
> > Windows takes pains to not send out useless message broadcasts.  Other
> > than these broadcasts, a program is only woken to receive a message
> > when something specifically sends it a message.  If there's no system
> > activity, or the only activity is unrelated to Emacs, Emacs won't
> > receive any messages and won't wake up.
>
> As long as no messages arrive, the w32 message-reading thread is blocked
> inside the call to WaitForSingleObject (see w32xfns.c:get_next_message).
> This call has no timeout, so it will block indefinitely.

(A) w32xfns.c:get_next_message doesn't run in the "w32 message-reading thread"
and (B) never calls WaitForSingleObject.

--- grischka