# OS_dispatch_object ``` @protocol OS_dispatch_object ``` ## Relationships ### Inherited By [`OS_dispatch_queue_attr`](/documentation/Dispatch/OS_dispatch_queue_attr) [`OS_dispatch_semaphore`](/documentation/Dispatch/OS_dispatch_semaphore) [`OS_dispatch_io`](/documentation/Dispatch/OS_dispatch_io) [`OS_dispatch_data`](/documentation/Dispatch/OS_dispatch_data) [`DispatchSourceProtocol`](/documentation/Dispatch/DispatchSourceProtocol) [`OS_dispatch_group`](/documentation/Dispatch/OS_dispatch_group) [`OS_dispatch_queue`](/documentation/Dispatch/OS_dispatch_queue) ### Inherits From [`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)