/*
* adns.h
- * - adns user-visible API (single-threaded, without any locking)
+ * - adns user-visible API
*/
/*
*
typedef enum {
adns_rrt_typemask= 0x0ffff,
+ adns_rrt_reprmask= 0xffffff,
adns__qtf_deref= 0x10000,/* dereference domains; perhaps get extra data */
adns__qtf_mail822= 0x20000,/* return mailboxes in RFC822 rcpt field fmt */
* requested.
*/
+/* Threads:
+ * adns does not use any static modifiable state, so it
+ * is safe to call adns_init several times and then use the
+ * resulting adns_states concurrently.
+ * However, it is NOT safe to make simultaneous calls into
+ * adns using the same adns_state; a single adns_state must be used
+ * only by one thread at a time. You can solve this problem by
+ * having one adns_state per thread, or if that isn't feasible, you
+ * could maintain a pool of adns_states. Unfortunately neither of
+ * these approaches has optimal performance.
+ */
+
int adns_init(adns_state *newstate_r, adns_initflags flags,
FILE *diagfile /*0=>stderr*/);