515. [bug] The ssu table was not beinge attached / detached

                        by dns_zone_[sg]etssutable.  [RT#397]

CHANGES

+ 515.	[bug]		The ssu table was not beinge attached / detached
+			by dns_zone_[sg]etssutable.  [RT#397]
+
  514.	[func]		Retry refresh and notify queries if they timeout.
 			[RT #388]
 

lib/dns/include/dns/zone.h

@@ -15,7 +15,7 @@
  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: zone.h,v 1.79 2000/10/12 21:51:58 mws Exp $ */
+/* $Id: zone.h,v 1.80 2000/10/13 13:45:45 marka Exp $ */
 
 #ifndef DNS_ZONE_H
 #define DNS_ZONE_H 1
@@ -920,7 +920,7 @@ dns_zone_setidleout(dns_zone_t *zone, isc_uint32_t idleout);
 void
 dns_zone_getssutable(dns_zone_t *zone, dns_ssutable_t **table);
 /*
- * Set the simple-secure-update policy table.
+ * Get the simple-secure-update policy table.
  *
  * Requires:
  *	'zone' to be a valid zone.
@@ -929,7 +929,7 @@ dns_zone_getssutable(dns_zone_t *zone, dns_ssutable_t **table);
 void
 dns_zone_setssutable(dns_zone_t *zone, dns_ssutable_t *table);
 /*
- * Get the simple-secure-update policy table.
+ * Set / clear the simple-secure-update policy table.
  *
  * Requires:
  *	'zone' to be a valid zone.

lib/dns/zone.c

@@ -15,7 +15,7 @@
  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: zone.c,v 1.231 2000/10/13 13:23:09 marka Exp $ */
+/* $Id: zone.c,v 1.232 2000/10/13 13:45:43 marka Exp $ */
 
 #include <config.h>
 
@@ -4474,14 +4474,23 @@ dns_zone_getssutable(dns_zone_t *zone, dns_ssutable_t **table) {
 	REQUIRE(DNS_ZONE_VALID(zone));
 	REQUIRE(table != NULL);
 	REQUIRE(*table == NULL);
-	*table = zone->ssutable;
+
+	LOCK(&zone->lock);
+	if (zone->ssutable != NULL)
+		dns_ssutable_attach(zone->ssutable, table);
+	UNLOCK(&zone->lock);
 }
 
 void
 dns_zone_setssutable(dns_zone_t *zone, dns_ssutable_t *table) {
 	REQUIRE(DNS_ZONE_VALID(zone));
-	REQUIRE(table != NULL);
-	zone->ssutable = table;
+
+	LOCK(&zone->lock);
+	if (zone->ssutable != NULL)
+		dns_ssutable_detach(&zone->ssutable);
+	if (table != NULL)
+		dns_ssutable_attach(table, &zone->ssutable);
+	UNLOCK(&zone->lock);
 }
 
 void