On Oct 19, 2010, at 8:15 PM, Abhi Beckert wrote:
> Hi,
>
> According to the documentation dispatch_sync(dispatch_get_main_queue(), ^{
> ... }) will lockup if you are already on the main queue.
>
> I have several methods which can be called from either a background queue or
> the main queue, but parts of them *must* be run on the main queue. What is a
> clean workaround for this? I'd like to do something like:
>
> - (void)foo
> {
> dispatch_block_t fooBlock = ^{
> NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
>
> /* do stuff */
>
> [pool release];
> };
>
> if (dispatch_get_current_queue() == dispatch_get_main_queue())
> dispatch_exec_block(fooBlock);
> else
> dispatch_sync(dispatch_get_main_queue(), fooBlock);
> }
>
> I made up dispatch_exec_block(), it must exist, but I can't find it?
fooBlock()?
Charles_______________________________________________
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