[haiku-webkit-commits] Re: r241 - webkit/trunk/WebCore/platform/haiku

  • From: Ryan Leavengood <leavengood@xxxxxxxxx>
  • To: haiku-webkit-commits@xxxxxxxxxxxxx
  • Date: Sat, 27 Feb 2010 17:07:57 -0500

On Sat, Feb 27, 2010 at 3:47 PM,  <webkit@xxxxxxxxxxxxxxx> wrote:
> Author: stippi
> Date: Sat Feb 27 20:47:03 2010
> New Revision: 241
> URL: http://mmlr.dyndns.org/changeset/241
>
> Log:
> Rewrote the SharedTimer impelementation. The old one used BMessageRunner, 
> which
> is imprecise since it uses the registrar to fire messages across processes. 
> This
> uses kernel ports and has bad timing resolution. The new message uses it's own
> high priority thread. The BMessageFilter is now a BHandler, which doesn't
> change much, other than how the message arrives. But sending messages within
> the same team attaches the message directly to the message queue, no ports
> involved. The asteroids demo stays totally smooth now. :-)

For what it's worth, my original SharedTimerHaiku was much like this
one (though I'm sure yours is better), but for some reason Andrea
Anzani rewrote it as a BMessageRunner. I recall some discussion over
that, but I just find it funny how it has reverted back somewhat.

If you care:

http://ryanleavengood.com/haiku/SharedTimerHaiku.cpp

Good to see I wasn't wrong on everything :)

-- 
Regards,
Ryan

Other related posts: