Excerpts from John Love's message of Mon Sep 15 11:02:21 -0400 2008:
> I must be doing something terribly wrong, because when I start up the
> NSOperationQueue that does some time consuming calculations, I do not
> get back control of my application until after the lengthy calculation
> is complete. Here are the relevant code snippets:
At what point is your app sticking? After you start all the queues, but
before you return from -startCalculation?
> - (void) calculateWorksheetRow:(id)data {
> // takes a long time here
> }
>
>
> - (void) startQueue {
> theQueue = [[[NSOperationQueue alloc] init] autorelease];
> theOp = [[NSInvocationOperation alloc] initWithTarget:self
>
> selector:@selector(calculateWorksheetRow:)
> object:nil];
> [theQueue addOperation:theOp];
> }
You're starting one queue per operation, but you really want one queue
for all the operations.
-Ben
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