make sure we don't launch the query distribution thread if configured to run unthreaded

diff --git a/pdns/pdns_recursor.cc b/pdns/pdns_recursor.cc
index 1c43143e1fed343ca4dc16228a5e7ad6cb6c5c72..e0784af9ac91c98ba0706b6ca5d5feb7c43b8b8d 100644 (file)
--- a/pdns/pdns_recursor.cc
+++ b/pdns/pdns_recursor.cc
@@ -1911,7 +1911,9 @@ int serviceMain(int argc, char*argv[])
   }
 
   Utility::dropUserPrivs(newuid);
-  g_numThreads = ::arg().asNum("threads") + ::arg().mustDo("pdns-distributes-queries");
+  g_numThreads = ::arg().asNum("threads");
+  if(g_numThreads > 1)
+    g_numThreads += ::arg().mustDo("pdns-distributes-queries"); 
   
   makeThreadPipes();