-static gboolean prepare_func(GSource *source, gint *timeout) {
- AvahiTimeEventQueue *q = (AvahiTimeEventQueue*) source;
- AvahiTimeEvent *e;
- GTimeVal now;
-
- g_assert(source);
- g_assert(timeout);
-
- if (!q->prioq->root) {
- *timeout = -1;
- return FALSE;
- }
-
- e = q->prioq->root->data;
- g_assert(e);
-
- g_source_get_current_time(source, &now);
-
- if (avahi_timeval_compare(&now, &e->expiry) >= 0 && /* Time elapsed */
- avahi_timeval_compare(&now, &e->last_run) != 0 /* Not yet run */) {
- *timeout = -1;
- return TRUE;
- }
-
- *timeout = (gint) (avahi_timeval_diff(&e->expiry, &now)/1000);