grg@beta.lanl.gov (Galen Gisler) (03/23/89)
Greetings:
I have a Macintosh program that does extensive computational work, but supports
interrupts (it is a simulation code for a charged particle in an arbitrary
electric and magnetic field), and I would like to have it run in background
under MultiFinder. I don't have access to the relevant Tech Notes, so no doubt I
am asking a question that is answered in one of them. The beginning of my Main
Event Loop looks like this:
Repeat {main event loop}
SystemTask;
ComputationTask;
If GetNextEvent(everyEvent, theEvt) Then
Case theEvt.what Of
&c.
The procedure ComputationTask checks the value of a global variable that
determines the status of the ongoing computation, and calls the appropriate
physics routines accordingly. I get the feeling that I'm supposed to call
WaitNextEvent instead of GetNextEvent, but I don't know what the arguments are,
and that I'm supposed to do something with the SIZE resource, but fiddling with
that alone brings me bombs on transfer. Please help!
Galen Gisler
Space Plasma Physics
Los Alamos National Lab
(SPAN) ESSDP2::090091
(bitnet) GRG@LANL.GOV