On Sat, 2012-03-17 at 02:04 -0400, Kevin Fishburne wrote: > Is there a way to check if an event is going to trigger in advance? Not in the known universe. It would be nice though, Lotto numbers, stock price changes etc etc :-)
> My startup procedure (GUI.Main) allows two event procedures to trigger, > Render.Screen_Draw (SDL) and Network.UDP_Read (UDP socket). When > Screen_Draw triggers I need to know if there are pending UDP packets so > I can avoid rendering the frame until those pending network events are > processed. The logic would look something like this: > > Public Sub Screen_Draw() > If [there is data in the socket] Then Return > [render a complete frame] > End > > Basically I need to give processing incoming UDP packets priority over > rendering frames since processing the packets is quick but rendering a > frame is slow. I only want it to render a frame when there are no > incoming UDP packets needing attention. I've been thinking about logical > ways to do this, but if there is some inherent GAMBAS way that would be > more elegant. > Could you use some global counter to achieve this? For every UDP packet received, inc the counter and dec it on UDP_Read (or zero it?) Then Screen_Draw need only check that the counter is zero. I don't really know whether this will work for you but from your description it does sound like a classic semaphore problem. ??? hth Bruce ------------------------------------------------------------------------------ This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure _______________________________________________ Gambas-user mailing list Gambas-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gambas-user