Unschedules a CFHost from a run loop.
- iOS 2.0+
- macOS 10.3+
- Mac Catalyst 13.0+
- tvOS 9.0+
The host to unschedule. This value must not be
The run loop. This value must not be
The mode from which the service is to be unscheduled. This value must not be
This function is thread safe.
An opaque reference representing an CFHost object.
Values indicating the type of data that is to be resolved or the type of data that was resolved.
Gets the Core Foundation type identifier for the CFHost opaque type.
Associates a client context and a callback function with a CFHost object or disassociates a client context and callback function that were previously set.