Function

CFRunLoopObserverDoesRepeat(_:)

Returns a Boolean value that indicates whether a CFRunLoopObserver repeats.

Declaration

func CFRunLoopObserverDoesRepeat(_ observer: CFRunLoopObserver!) -> Bool

Parameters

observer

The run loop observer to examine.

Return Value

true if observer is processed during every pass through the run loop; false if observer is processed once and then is invalidated.

See Also

CFRunLoopObserver Miscellaneous Functions

func CFRunLoopObserverGetActivities(CFRunLoopObserver!) -> CFOptionFlags

Returns the run loop stages during which an observer runs.

func CFRunLoopObserverGetOrder(CFRunLoopObserver!) -> CFIndex

Returns the ordering parameter for a CFRunLoopObserver object.

func CFRunLoopObserverGetTypeID() -> CFTypeID

Returns the type identifier for the CFRunLoopObserver opaque type.

func CFRunLoopObserverInvalidate(CFRunLoopObserver!)

Invalidates a CFRunLoopObserver object, stopping it from ever firing again.

func CFRunLoopObserverIsValid(CFRunLoopObserver!) -> Bool

Returns a Boolean value that indicates whether a CFRunLoopObserver object is valid and able to fire.

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