Hello,
I have an ongoing project where I’m using a CFMessagePort some sort of IPC
communication. The CFMessagePort has a callback, something like this:
static CFDataRef Callback(CFMessagePortRef port,
SInt32 messageID,
CFDataRef data,
void *info)
{
return CFBridgingRetain([NSArchiver
archivedDataWithRootObject:[(__bridge AppDelegate *)info getParameters]]);
}
The Callback runs on the main queue, it has been setup with
CFMessagePortSetDispatchQueue(localPort, dispatch_get_main_queue());
The interesting part is, and I don’t know why is this happening,
CFBridgingRetain does not leak memory here - checked out with Instruments, also
let the app run for a couple of hours, and memory usage does not increased
(check out in Activity Monitor). Should not that CFBridgingRetain leak memory
in this example, since I’m retaining a CF object and not releasing it by
CFRelease?
Thanks!
Best,
Tamas
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