hv_ion_flags_t The bitfield that you use to set the options flags for the I/O notifier. Declarationtypealias hv_ion_flags_t = UInt32 See AlsoI/O notifier functionshv_vm_add_pio_notifier(_:_:_:_:_:)hv_vm_remove_pio_notifier(_:_:_:_:_:)hv_ion_message_tI/O Notifier Flags