Function

CFRunLoopObserverGetActivities

Returns the run loop stages during which an observer runs.

Declaration

CFOptionFlags CFRunLoopObserverGetActivities(CFRunLoopObserverRef observer);

Parameters

observer

The run loop observer to examine.

Return Value

A bitwise-OR combination of all the run loop stages in which observer is called. See CFRunLoopActivity for the list of stages.

See Also

CFRunLoopObserver Miscellaneous Functions

CFRunLoopObserverCreateWithHandler

Creates a CFRunLoopObserver object with a block-based handler.

CFRunLoopObserverCreate

Creates a CFRunLoopObserver object with a function callback.

CFRunLoopObserverDoesRepeat

Returns a Boolean value that indicates whether a CFRunLoopObserver repeats.

CFRunLoopObserverGetContext

Returns the context information for a CFRunLoopObserver object.

CFRunLoopObserverGetOrder

Returns the ordering parameter for a CFRunLoopObserver object.

CFRunLoopObserverGetTypeID

Returns the type identifier for the CFRunLoopObserver opaque type.

CFRunLoopObserverInvalidate

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

CFRunLoopObserverIsValid

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

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