Merge #10215: Check interruptNet during dnsseed lookups

b2c9254 Check interruptNet during dnsseed lookups (Matt Corallo)

Tree-SHA512: a76b5749b085d5571ac65a6925bb1c50fa1d02c02854d9126224dc2ec419eb9103f7c92bf9a0bbd39c7dee93a2266dc3973fb16b48e8daea057f45d452e2513c

src/net.cpp

@@ -1585,6 +1585,9 @@ void CConnman::ThreadDNSAddressSeed()
     LogPrintf("Loading addresses from DNS seeds (could take a while)\n");
 
     BOOST_FOREACH(const CDNSSeedData &seed, vSeeds) {
+        if (interruptNet) {
+            return;
+        }
         if (HaveNameProxy()) {
             AddOneShot(seed.host);
         } else {
@@ -1602,6 +1605,9 @@ void CConnman::ThreadDNSAddressSeed()
                     found++;
                 }
             }
+            if (interruptNet) {
+                return;
+            }
             // TODO: The seed name resolve may fail, yielding an IP of [::], which results in
             // addrman assigning the same source to results from different seeds.
             // This should switch to a hard-coded stable dummy IP for each seed name, so that the