2 files changed, 24 insertions, 1 deletions
diff --git a/source3/nmbd/asyncdns.c b/source3/nmbd/asyncdns.c
index 3b71369d67..3fb16a08e9 100644
--- a/source3/nmbd/asyncdns.c
+++ b/source3/nmbd/asyncdns.c
@@ -103,7 +103,8 @@ static void asyncdns_process(void)
 }
 
 /**************************************************************************** **
-  catch a sigterm
+  catch a sigterm (in the child process - the parent has a different handler
+  see nmbd.c for details).
   We need a separate term handler here so we don't release any 
   names that our parent is going to release, or overwrite a 
   WINS db that our parent is going to write.
@@ -117,6 +118,17 @@ static int sig_term()
 }
 
 /***************************************************************************
+ Called by the parent process when it receives a SIGTERM - also kills the
+ child so we don't get child async dns processes lying around, causing trouble.
+  ****************************************************************************/
+
+void kill_async_dns_child()
+{
+  if(child_pid != 0 && child_pid != -1)
+    kill(child_pid, SIGTERM);
+}
+
+/***************************************************************************
   create a child process to handle DNS lookups
   ****************************************************************************/
 void start_async_dns(void)
@@ -326,4 +338,12 @@ BOOL queue_dns_query(struct packet_struct *p,struct nmb_name *question,
           send_wins_name_query_response(0, p, *n);
 	return False;
 }
+
+/***************************************************************************
+ With sync dns there is no child to kill on SIGTERM.
+  ****************************************************************************/
+void kill_async_dns_child()
+{
+  return;
+}
 #endif
diff --git a/source3/nmbd/nmbd.c b/source3/nmbd/nmbd.c
index d42580bcbd..1a12e0eec0 100644
--- a/source3/nmbd/nmbd.c
+++ b/source3/nmbd/nmbd.c
@@ -74,6 +74,9 @@ static int sig_term()
   /* Announce all server entries as 0 time-to-live, 0 type. */
   announce_my_servers_removed();
 
+  /* If there was an async dns child - kill it. */
+  kill_async_dns_child();
+
   exit(0);
 
   /* Keep compiler happy.. */