notify_cancel(_:)

Declaration

func notify_cancel(_ token: Int32) -> UInt32

Parameters

• token:

  (Input) notification token

Return Value

Returns status.

Discussion

Cancel notification and free resources associated with a notification token. Mach ports and file descriptor associated with a token are released (deallocated or closed) when all registration tokens associated with the port or file descriptor have been cancelled.

See Also

Miscellaneous

• notify_check(_:_:)
• notify_get_state(_:_:)
• notify_post(_:)
• notify_register_check(_:_:)
• notify_register_dispatch(_:_:_:_:)
• notify_register_mach_port(_:_:_:_:)
• notify_register_signal(_:_:_:)
• notify_resume(_:)
• notify_set_state(_:_:)
• notify_suspend(_:)