dm_event_handler_create
dm_event_handler_destroy
dm_event_handler_set_dso
dm_event_handler_set_name
dm_event_handler_set_uuid
dm_event_handler_set_major
dm_event_handler_set_minor
dm_event_handler_set_events
dm_event_handler_get_dso
dm_event_handler_get_name
dm_event_handler_get_uuid
dm_event_handler_get_major
dm_event_handler_get_minor
dm_event_handler_get_events
dm_event_register
dm_event_unregister