About OneWay void

In XCode 4.2 (with LLVM):

-(void) Release {} will pop up warning warning:semantic issue:conflicting distributed object modifiers on return type in Implementa tion of ' release ' is modified as follows to remove the warning:-(oneway void) Release {} OneWay is used with the distributed Objects APIs, which allow s use of Objective-c objects between different threads or applications. It tells the system that it should not block the calling thread until the method returns. Without it, the caller would block, even though the method ' s return type is void. Obviously, it is never used with anything other than void, as doing so would mean the method returns something, but the CA Ller doesn ' t get it.

About OneWay void