10 files changed, 37 insertions, 3 deletions
diff --git a/include/gras/block.hpp b/include/gras/block.hpp
index 7595345..4211255 100644
--- a/include/gras/block.hpp
+++ b/include/gras/block.hpp
@@ -113,6 +113,8 @@ struct GRAS_API Block : Element
     //! Create a new block given the name
     Block(const std::string &name);
 
+    virtual ~Block(void);
+
     /*******************************************************************
      * Deal with input and output port configuration
      ******************************************************************/
diff --git a/include/gras/element.hpp b/include/gras/element.hpp
index 633ab84..0bebc14 100644
--- a/include/gras/element.hpp
+++ b/include/gras/element.hpp
@@ -23,13 +23,14 @@ struct Block;
 
 struct GRAS_API Element : ElementBase, boost::enable_shared_from_this<Element>
 {
-
     //! Create an empty element
     Element(void);
 
     //! Creates a new element given the name
     Element(const std::string &name);
 
+    /*virtual*/ ~Element(void);
+
     /*******************************************************************
      * identification interface
      ******************************************************************/
diff --git a/include/gras/hier_block.hpp b/include/gras/hier_block.hpp
index 398024e..73eeabd 100644
--- a/include/gras/hier_block.hpp
+++ b/include/gras/hier_block.hpp
@@ -14,6 +14,8 @@ struct GRAS_API HierBlock : Element
 
     HierBlock(const std::string &name);
 
+    virtual ~HierBlock(void);
+
     /*******************************************************************
      * connection flow interface
      ******************************************************************/
diff --git a/include/gras/top_block.hpp b/include/gras/top_block.hpp
index f99d341..17f1e30 100644
--- a/include/gras/top_block.hpp
+++ b/include/gras/top_block.hpp
@@ -36,6 +36,8 @@ struct GRAS_API TopBlock : HierBlock
 
     TopBlock(const std::string &name);
 
+    virtual ~TopBlock(void);
+
     //! Get the global block config settings
     const GlobalBlockConfig &global_config(void) const;
 
diff --git a/lib/block.cpp b/lib/block.cpp
index d2f0a0d..5bb959b 100644
--- a/lib/block.cpp
+++ b/lib/block.cpp
@@ -46,6 +46,11 @@ Block::Block(const std::string &name):
     this->set_buffer_affinity(-1);
 }
 
+Block::~Block(void)
+{
+    //NOP
+}
+
 void ElementImpl::block_cleanup(void)
 {
     //wait for actor to chew through enqueued messages
diff --git a/lib/element.cpp b/lib/element.cpp
index 4adc92c..f291310 100644
--- a/lib/element.cpp
+++ b/lib/element.cpp
@@ -26,6 +26,11 @@ Element::Element(const std::string &name)
     if (GENESIS) std::cerr << "New element: " << to_string() << std::endl;
 }
 
+Element::~Element(void)
+{
+    //NOP
+}
+
 ElementImpl::~ElementImpl(void)
 {
     if (this->executor) this->top_block_cleanup();
diff --git a/lib/hier_block.cpp b/lib/hier_block.cpp
index b7ffe4c..4c0aef3 100644
--- a/lib/hier_block.cpp
+++ b/lib/hier_block.cpp
@@ -18,6 +18,11 @@ HierBlock::HierBlock(const std::string &name):
     (*this)->topology = boost::shared_ptr<Apology::Topology>(new Apology::Topology());
 }
 
+HierBlock::~HierBlock(void)
+{
+    //NOP
+}
+
 void ElementImpl::hier_block_cleanup(void)
 {
     this->topology->clear_all();
diff --git a/lib/top_block.cpp b/lib/top_block.cpp
index 10d5ef2..5370920 100644
--- a/lib/top_block.cpp
+++ b/lib/top_block.cpp
@@ -30,6 +30,11 @@ TopBlock::TopBlock(const std::string &name):
         << std::flush;
 }
 
+TopBlock::~TopBlock(void)
+{
+    //NOP
+}
+
 void ElementImpl::top_block_cleanup(void)
 {
     this->pre_post_all_set_prio();
diff --git a/python/gras/GRAS_Block.i b/python/gras/GRAS_Block.i
index b4d8293..84d6548 100644
--- a/python/gras/GRAS_Block.i
+++ b/python/gras/GRAS_Block.i
@@ -79,7 +79,8 @@ struct BlockPython : Block
 
     virtual ~BlockPython(void)
     {
-        //NOP
+        PyTSPhondler phil;
+        this->reset();
     }
 
     void notify_active(void)
diff --git a/python/gras/GRAS_HierBlock.i b/python/gras/GRAS_HierBlock.i
index 12a5952..21d087e 100644
--- a/python/gras/GRAS_HierBlock.i
+++ b/python/gras/GRAS_HierBlock.i
@@ -45,7 +45,7 @@ struct TopBlockPython : TopBlock
         //NOP
     }
 
-    ~TopBlockPython(void)
+    virtual ~TopBlockPython(void)
     {
         PyTSPhondler phil;
         this->reset();
@@ -89,6 +89,12 @@ struct HierBlockPython : HierBlock
     {
         //NOP
     }
+
+    virtual ~HierBlockPython(void)
+    {
+        PyTSPhondler phil;
+        this->reset();
+    }
 };
 
 }