> On May 6, 2016, at 1:32 PM, Carl Hoefs <[email protected]> wrote: > I'm building for iOS 9.3, and am using NSOperationQueue throughout. Once in a > while, NSOperationQueue -addOperation: throws an exception. I guess this is a > well-known bug going all the way back to 2008. I found Mike Ash's writeup on > the issue, and have downloaded his replacement class, RAOperationQueue. > However, it was written long ago for GC not ARC. I have one remaining problem > in converting the code. > > - (BOOL)_runOperationFromList: (RAAtomicListRef *)listPtr sourceList: > (RAAtomicListRef *)sourceListPtr > { > RAOperation *op = [self _popOperation: listPtr]; > if( !op ) > { > *listPtr = RAAtomicListSteal( sourceListPtr ); > // source lists are in LIFO order, but we want to execute > operations in the order they were enqueued > // so we reverse the list before we do anything with it > RAAtomicListReverse( listPtr ); > op = [self _popOperation: listPtr]; > } > > if( op ) > [op run]; <-- ERROR HERE > > return op != nil; > } > > The error I'm getting is: Receiver type 'RAOperation' for instance message is > a forward declaration. > > What does this error mean, and how can I fix it?
It means you haven't #included the header with the @interface declaration for RAOperation. John. _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
