/* This call lets you get an xpc_object_t that holds a reference to the IOSurface.
Note: Any live XPC objects created from an IOSurfaceRef implicity increase the IOSurface's global use
count by one until the object is destroyed. */
//xpc_object_t IOSurfaceCreateXPCObject(IOSurfaceRef aSurface)
// IOSFC_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_NA);
/* This call lets you take an xpc_object_t created via IOSurfaceCreatePort() and recreate an IOSurfaceRef from it. */
IOSurfaceRef IOSurfaceLookupFromXPCObject(xpc_object_t xobj)