Function dds_get_status_changes 

pub unsafe extern "C" fn dds_get_status_changes(
    entity: dds_entity_t,
    status: *mut u32,
) -> dds_return_t

@brief Get changed status(es) @ingroup entity_status @component entity_status

This operation returns the status changes since they were last read.

@param[in] entity Entity on which the statuses are read. @param[out] status Returns the current set of triggered statuses.

@returns A dds_return_t indicating success or failure.

@retval DDS_RETCODE_OK Success. @retval DDS_RETCODE_BAD_PARAMETER The entity parameter is not a valid parameter. @retval DDS_RETCODE_ILLEGAL_OPERATION The operation is invoked on an inappropriate object. @retval DDS_RETCODE_ALREADY_DELETED The entity has already been deleted.