On Aug 26, 2011, at 9:40 PM, Brian Norh wrote:
> Hi.
>
> I'm working against an API which looks like this:
>
> - (void)performOperationWithBlock:(void (^)(void))block
>
> The call returns directly and the execution continues. At some point
> the block is eventually called. How would I do to block execution
> until the block have been called?
>
> [obj performOperationWithBlock:^(void) {
> // Do something here
> }];
> // Block here until the block above have been called.
Um, why would you want to (or need to) do that?
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