/* From setup.c: */
int adns__setnonblock(adns_state ads, int fd); /* => errno value */
+void adns__checkqueues(adns_state ads); /* expensive walk, for checking */
/* From general.c: */
* child will already have been taken off both the global list of
* queries in ads and the list of children in the parent. The child
* will be freed when the callback returns. The parent will have been
- * taken off the global childw queue iff this is the last child for
- * that parent. If there is no error detected in the callback, then
- * it should call adns__query_done if and only if there are no more
- * children (by checking parent->children.head). If an error is
- * detected in the callback it should call adns__query_fail and any
- * remaining children will automatically be cancelled.
+ * taken off the global childw queue.
+ *
+ * The callback should either call adns__query_done, if it is
+ * complete, or adns__query_fail, if an error has occurred, in which
+ * case the other children (if any) will be cancelled. If the parent
+ * has more unfinished children (or has just submitted more) then the
+ * callback may choose to wait for them - it must then put the parent
+ * back on the childw queue.
*/
void adns__search_next(adns_state ads, adns_query qu, struct timeval now);