Removes a CFRunLoopSource object from a run loop mode.
- iOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
The run loop source to remove.
The run loop mode of
rl from which to remove
source. Use the constant
kCFRunLoopCommonModes to remove
source from the set of objects monitored by all the common modes.
source is a version 0 source, this function calls the
cancel callback function specified in the context structure for
CFRunLoopSourceContext1for more details.
rl does not contain
mode, this function does nothing.
Returns a Boolean value that indicates whether a run loop mode contains a particular CFRunLoopSource object.
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