6 files changed, 36 insertions, 4 deletions
diff --git a/gnuradio-core/src/lib/runtime/gr_block.cc b/gnuradio-core/src/lib/runtime/gr_block.cc
index 144b51f45..443ac8f64 100644
--- a/gnuradio-core/src/lib/runtime/gr_block.cc
+++ b/gnuradio-core/src/lib/runtime/gr_block.cc
@@ -23,6 +23,9 @@
 #include <gr_block.h>
 #include <boost/foreach.hpp>
 #include <iostream>
+#include <boost/detail/atomic_count.hpp>
+
+static boost::detail::atomic_count unique_id_pool(0);
 
 gr_block::gr_block(void)
 {
@@ -34,7 +37,9 @@ gr_block::gr_block(
     gr_io_signature_sptr input_signature,
     gr_io_signature_sptr output_signature
 ):
-    gras::Block(name)
+    gras::Block(name),
+    _unique_id(++unique_id_pool),
+    _name(name)
 {
     //this initializes private vars, order matters
     this->set_fixed_rate(false);
diff --git a/gnuradio-core/src/lib/runtime/gr_block.h b/gnuradio-core/src/lib/runtime/gr_block.h
index 7a728bc4e..08914f24a 100644
--- a/gnuradio-core/src/lib/runtime/gr_block.h
+++ b/gnuradio-core/src/lib/runtime/gr_block.h
@@ -54,6 +54,11 @@ struct GR_CORE_API gr_block : gras::Block
         gr_io_signature_sptr output_signature
     );
 
+    long unique_id(void) const{return _unique_id;}
+    std::string name(void) const{return _name;}
+    long _unique_id;
+    std::string _name;
+
     virtual ~gr_block(void);
 
     gr_io_signature_sptr input_signature(void) const;
diff --git a/gnuradio-core/src/lib/runtime/gr_hier_block2.cc b/gnuradio-core/src/lib/runtime/gr_hier_block2.cc
index 2f92d8c6b..04eb60fc6 100644
--- a/gnuradio-core/src/lib/runtime/gr_hier_block2.cc
+++ b/gnuradio-core/src/lib/runtime/gr_hier_block2.cc
@@ -25,6 +25,9 @@
 #endif
 
 #include <gr_hier_block2.h>
+#include <boost/detail/atomic_count.hpp>
+
+static boost::detail::atomic_count unique_id_pool(0);
 
 
 gr_hier_block2::gr_hier_block2(void)
@@ -37,7 +40,9 @@ gr_hier_block2::gr_hier_block2(
     gr_io_signature_sptr input_signature,
     gr_io_signature_sptr output_signature
 ):
-    gras::HierBlock(name)
+    gras::HierBlock(name),
+    _unique_id(++unique_id_pool),
+    _name(name)
 {
     this->set_input_signature(input_signature);
     this->set_output_signature(output_signature);
diff --git a/gnuradio-core/src/lib/runtime/gr_hier_block2.h b/gnuradio-core/src/lib/runtime/gr_hier_block2.h
index 61f2e500f..d393c42cb 100644
--- a/gnuradio-core/src/lib/runtime/gr_hier_block2.h
+++ b/gnuradio-core/src/lib/runtime/gr_hier_block2.h
@@ -37,6 +37,11 @@ struct GR_CORE_API gr_hier_block2 : gras::HierBlock
         gr_io_signature_sptr output_signature
     );
 
+    long unique_id(void) const{return _unique_id;}
+    std::string name(void) const{return _name;}
+    long _unique_id;
+    std::string _name;
+
     const gr_hier_block2 &self(void) const
     {
         return *this;
diff --git a/gnuradio-core/src/lib/runtime/gr_top_block.cc b/gnuradio-core/src/lib/runtime/gr_top_block.cc
index 1c885be6e..fa090b4ef 100644
--- a/gnuradio-core/src/lib/runtime/gr_top_block.cc
+++ b/gnuradio-core/src/lib/runtime/gr_top_block.cc
@@ -26,16 +26,23 @@
 
 #include <unistd.h>
 #include <gr_top_block.h>
+#include <boost/detail/atomic_count.hpp>
+
+static boost::detail::atomic_count unique_id_pool(0);
 
 gr_top_block::gr_top_block(void):
     //cannot make a null top block, use name constructor
-    gras::TopBlock("top")
+    gras::TopBlock("top"),
+    _unique_id(++unique_id_pool),
+    _name("top")
 {
     //NOP
 }
 
 gr_top_block::gr_top_block(const std::string &name):
-    gras::TopBlock(name)
+    gras::TopBlock(name),
+    _unique_id(++unique_id_pool),
+    _name(name)
 {
     //NOP
 }
diff --git a/gnuradio-core/src/lib/runtime/gr_top_block.h b/gnuradio-core/src/lib/runtime/gr_top_block.h
index 451f28a7b..4e4becd1f 100644
--- a/gnuradio-core/src/lib/runtime/gr_top_block.h
+++ b/gnuradio-core/src/lib/runtime/gr_top_block.h
@@ -33,6 +33,11 @@ struct GR_CORE_API gr_top_block : gras::TopBlock
 
     gr_top_block(const std::string &name);
 
+    long unique_id(void) const{return _unique_id;}
+    std::string name(void) const{return _name;}
+    long _unique_id;
+    std::string _name;
+
     void start(const size_t max_items);
 
     void run(const size_t max_items);