/*! \brief Publish new log sink and free the replaced. */
static void sink_publish(struct log_sink *log)
{
struct log_sink **current_log = &s_log;
struct log_sink *old_log = rcu_xchg_pointer(current_log, log);
synchronize_rcu();
sink_free(old_log);
}
knot_zone_contents_t *knot_zone_switch_contents(knot_zone_t *zone,
knot_zone_contents_t *new_contents)
{
if (zone == NULL) {
return NULL;
}
knot_zone_contents_t *old_contents =
rcu_xchg_pointer(&zone->contents, new_contents);
return old_contents;
}
