diff --git a/lib/hostip.c b/lib/hostip.c index f37b4925b..5837e64c7 100644 --- a/lib/hostip.c +++ b/lib/hostip.c @@ -291,9 +291,10 @@ remove_entry_if_stale(struct SessionHandle *data, struct Curl_dns_entry *dns) { struct hostcache_prune_data user; - if(!dns || (data->set.dns_cache_timeout == -1) || !data->dns.hostcache) - /* cache forever means never prune, and NULL hostcache means - we can't do it */ + if(!dns || (data->set.dns_cache_timeout == -1) || !data->dns.hostcache || + dns->inuse) + /* cache forever means never prune, and NULL hostcache means we can't do + it, if it still is in use then we leave it */ return 0; time(&user.now); @@ -428,9 +429,13 @@ int Curl_resolv(struct connectdata *conn, /* free the allocated entry_id again */ free(entry_id); + infof(data, "Hostname was %sfound in DNS cache\n", dns?"":"NOT "); + /* See whether the returned entry is stale. Done before we release lock */ - if(remove_entry_if_stale(data, dns)) + if(remove_entry_if_stale(data, dns)) { + infof(data, "Hostname in DNS cache was stale, zapped\n"); dns = NULL; /* the memory deallocation is being handled by the hash */ + } if(dns) { dns->inuse++; /* we use it! */