+
+ /** Set a wakeup time for the polling loop. The API will call the
+ callback function when the absolute time *tv is reached. If tv is
+ NULL, the timeout is disabled. After the timeout expired the
+ callback function will be called and the timeout is disabled. You
+ can reenable it by calling timeout_update() */
+ AvahiTimeout* (*timeout_new)(const AvahiPoll *api, const struct timeval *tv, AvahiTimeoutCallback callback, void *userdata);
+
+ /** Update the absolute expiration time for a timeout, If tv is
+ * NULL, the timeout is disabled. It is safe to call this function from an AvahiTimeoutCallback */
+ void (*timeout_update)(AvahiTimeout *, const struct timeval *tv);