Dispatch Queue Priorities

Used to select the appropriate global concurrent queue.

Overview

In macOS 10.10 and later, use QoS classes instead. See Quality of Service Classes (QoS) for more information.

See Also

Prioritizing Work and Specifying Quality of Service

struct DispatchQoS

DispatchQoS encapsulates quality of service classes.

enum DispatchQoS.QoSClass

DispatchQoS.QoSClass encapsulates quality of service classes.