2 files changed, 7 insertions, 3 deletions
diff --git a/gnuradio-core/src/lib/runtime/gr_top_block.cc b/gnuradio-core/src/lib/runtime/gr_top_block.cc
index 55e4bb895..56d1352cd 100644
--- a/gnuradio-core/src/lib/runtime/gr_top_block.cc
+++ b/gnuradio-core/src/lib/runtime/gr_top_block.cc
@@ -72,9 +72,9 @@ gr_top_block::wait()
 }
 
 void 
-gr_top_block::run()
+gr_top_block::run(int max_noutput_items)
 {
-  start();
+  start(max_noutput_items);
   wait();
 }
 
diff --git a/gnuradio-core/src/lib/runtime/gr_top_block.h b/gnuradio-core/src/lib/runtime/gr_top_block.h
index f01372fc2..9d01ba3ef 100644
--- a/gnuradio-core/src/lib/runtime/gr_top_block.h
+++ b/gnuradio-core/src/lib/runtime/gr_top_block.h
@@ -53,8 +53,12 @@ public:
    *
    * Calls start() then wait().  Used to run a flowgraph that will stop
    * on its own, or when another thread will call stop().
+   *
+   * \param max_noutput_items the maximum number of output items
+   * allowed for any block in the flowgraph. This passes through to
+   * the start function; see that function for more details.
    */
-  void run();
+  void run(int max_noutput_items=100000);
 
   /*!
    * Start the contained flowgraph.  Creates one or more threads to