1 files changed, 16 insertions, 1 deletions
diff --git a/include/gnuradio/gr_top_block.h b/include/gnuradio/gr_top_block.h
index 199d7b5..8630606 100644
--- a/include/gnuradio/gr_top_block.h
+++ b/include/gnuradio/gr_top_block.h
@@ -18,15 +18,30 @@
 #define INCLUDED_GNURADIO_GR_TOP_BLOCK_H
 
 #include <gnuradio/runtime_api.h>
+#include <gnuradio/top_block.hpp>
 #include <gr_hier_block2.h>
 
-struct GR_RUNTIME_API gr_top_block : gr_hier_block2
+struct GR_RUNTIME_API gr_top_block : gnuradio::TopBlock
 {
 
     gr_top_block(void);
 
     gr_top_block(const std::string &name);
 
+    void lock(void)
+    {
+        //NOP
+    }
+
+    void unlock(void)
+    {
+        this->update();
+    }
+
 };
 
+typedef boost::shared_ptr<gr_top_block> gr_top_block_sptr;
+
+GR_RUNTIME_API gr_top_block_sptr gr_make_top_block(const std::string &name);
+
 #endif /*INCLUDED_GNURADIO_GR_TOP_BLOCK_H*/