Used to indicate the nature and importance of work to the system. Work with higher quality of service classes receive more resources than work with lower quality of service classes whenever there is resource contention.


enum QualityOfService : Int

See Also

Prioritizing Thread Work

class func threadPriority() -> Double

Returns the current thread’s priority.

var threadPriority: Double

The receiver’s priority

class func setThreadPriority(Double) -> Bool

Sets the current thread’s priority.