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.