It's not needed after the call has finished, just used to create the socket, so 
no retain or copy needed. 

On 31 Oct, 2012, at 10:16, Rick Mann <[email protected]> wrote:

> 
> On Oct 30, 2012, at 17:27 , Roland King <[email protected]> wrote:
> 
>> I must be missing something here. Why can't you just set up your 
>> CFSocketContext with CFRetain for the CFAllocatorRetainCallback, CFRelease 
>> for the CFAllocatorReleaseCallback and cast the object to the (void*)info 
>> paramter with (__bridge void*)yourObject when you put that into the 
>> CFSocketContext. Job done, the CFSocket code will call CFRetain() for you 
>> during CFSocketCreateConnectedToSocketSignature(), which will retain it 
>> before ARC releases the original, and will call CFRelease() when the socket 
>> deallocs. 
>> 
>> You don't want CFBridgingRetain() here because you aren't passing ownership 
>> to Core Foundation, you're just giving it the object and it's taking 
>> ownership and releasing it again via the retain and release methods you've 
>> told it to use in CFSocketContext.
> 
> One thing that's not clear in the docs for 
> CFSocketCreateConnectedToSocketSignature() is what happens to the 
> CFSocketSignature parameter. Is that information copied immediately, or 
> should it persist? is the supplied CFDataRef retained? The docs are clear 
> about the context parameter, but not this one.
> 
> -- 
> Rick
> 
> 
> 

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