Type Property

unspecified

The absence of a quality-of-service class.

Declaration

static let unspecified: DispatchQoS

See Also

Getting the Predefined QoS Objects

static let userInteractive: DispatchQoS

The quality-of-service class for user-interactive tasks, such as animations, event handling, or updating your app's user interface.

static let userInitiated: DispatchQoS

The quality-of-service class for tasks that prevent the user from actively using your app.

static let `default`: DispatchQoS

The default quality-of-service class.

static let utility: DispatchQoS

The quality-of-service class for tasks that the user does not track actively.

static let background: DispatchQoS

The quality-of-service class for maintenance or cleanup tasks that you create.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

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