dm_event_handler_create
dm_event_handler_destroy
dm_event_handler_set_dso
dm_event_handler_set_dev_name
dm_event_handler_set_uuid
dm_event_handler_set_major
dm_event_handler_set_minor
dm_event_handler_set_event_mask
dm_event_handler_get_dso
dm_event_handler_get_devname
dm_event_handler_get_uuid
dm_event_handler_get_major
dm_event_handler_get_minor
dm_event_handler_get_event_mask
dm_event_register_handler
dm_event_unregister_handler
dm_event_get_registered_device
dm_event_handler_set_timeout
dm_event_handler_get_timeout