kev_subclass
All kernel events that don't match this subclass will be ignored. KEV_ANY_SUBCLASS can be used to receive kernel events with any subclass.
Declaration
u_int32_t kev_subclass;All kernel events that don't match this subclass will be ignored. KEV_ANY_SUBCLASS can be used to receive kernel events with any subclass.
u_int32_t kev_subclass;