[Patch] Fix gethwnd race
Fri May 14 17:40:00 GMT 2004
On Fri, 14 May 2004, Christopher Faylor wrote:
> On Fri, May 14, 2004 at 10:59:42AM -0500, Brian Ford wrote:
> >I'll cook up a muto based solution in the next few minutes now
> >that I understand your preference. But, I'd like an opinion on the
> >question above.
> Thanks very much for the offer, but please don't bother.
Ok, good. I got sucked into an unscheduled meeting anyway.
> I took this opportunity to do some of the cleanup that I was talking
> about. I also implemented a "close handle on final use" option to mutos
> so that the event doesn't stay around after the final thread releases
That sounds like a nice, but difficult to get right enhancement.
> I need to do a little debugging on what I have but it does try to clean
> up the windows code slightly. I even eliminated the thread event
> synchronization entirely.
I tried to do that but got stuck when I discovered you can't pass the
return from CreateWindow in one thread to the GetMessage call in another.
I look forward to seeing what you did and learning from it. Thanks.
> Btw, a muto is supposed to be equivalent to a windows mutex in most
> respects except that it is supposed to be somewhat lighter weight.
Yes. What I don't get is why it is significantly different from a
CriticalSection. AFAICT, they are the same except mutos don't spin?
I'm still a win32 API newbee.
Senior Realtime Software Engineer
VITAL - Visual Simulation Systems
the best safety device in any aircraft is a well-trained pilot...
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