SetEnableWithCompletion

Declaration

virtual kern_return_t SetEnableWithCompletion(bool enable, IODispatchSourceCancelHandler handler);

Parameters

• enable:

  A Boolean value that indicates whether to enable the dispatch source. Specify true to enable the dispatch source, or false to disable it.

• handler:

  An optional block to execute when disabling the dispatch source. The dispatch source executes it after all pending interrupts finish executing.

Return Value

kIOReturnSuccess on success, or another value if an error occurs. See Error Codes.

See Also

Starting and Stopping the Interrupt Source

• Cancel
• IODispatchSourceCancelHandler