Re: [pygame] Threads

[Bob Ippolito <bob@xxxxxxxxxx>]

On Apr 17, 2005, at 9:33 PM, Bob Ippolito wrote:

> > One way would be to run anoher thread which peeks at the sdl event
> > queue for twisted events, and then runs the iterateTwisted function.
> > However it looks like sdl events are not thread safe according to
> > this.    http://www.gameprogrammer.com/fastevents/fastevents1.html
> > Not sure if this is true for pygame or not...  I'll check.
>
> No.  That would be bad.  Then you'd lose all the benefits of being 
> able to safely call Twisted stuff from your main thread.
>
> I think you misunderstand the referenced URL.  SDL events *are* thread 
> safe, they're just not high performance in the face of threads and 
> events will be dropped if the queue is full.
>
> pygame's events are thread safe, but they inherit all the ugly from 
> SDL and SDL_WaitEvent (including dropping upon full queue).  Obviously 
> the example I posted, which I wrote in 5 minutes, isn't full-proof.

I just committed an experimental fastevents wrapper, pygame.fastevent.  
Call pygame.fastevent.init() some time after pygame.init(), and then 
you can call pygame.fastevent.wait(), post(), etc.

-bob