3 files changed, 10 insertions, 1 deletions
diff --git a/host/include/uhd/config.hpp b/host/include/uhd/config.hpp
index 6fd2932cf..619bd0787 100644
--- a/host/include/uhd/config.hpp
+++ b/host/include/uhd/config.hpp
@@ -55,18 +55,21 @@ typedef ptrdiff_t ssize_t;
     #define UHD_INLINE         __forceinline
     #define UHD_DEPRECATED     __declspec(deprecated)
     #define UHD_ALIGNED(x)     __declspec(align(x))
+    #define UHD_UNUSED(x)      x
 #elif defined(__GNUG__) && __GNUG__ >= 4
     #define UHD_EXPORT         __attribute__((visibility("default")))
     #define UHD_IMPORT         __attribute__((visibility("default")))
     #define UHD_INLINE         inline __attribute__((always_inline))
     #define UHD_DEPRECATED     __attribute__((deprecated))
     #define UHD_ALIGNED(x)     __attribute__((aligned(x)))
+    #define UHD_UNUSED(x)      x __attribute__((unused))
 #else
     #define UHD_EXPORT
     #define UHD_IMPORT
     #define UHD_INLINE         inline
     #define UHD_DEPRECATED
     #define UHD_ALIGNED(x)
+    #define UHD_UNUSED(x)      x
 #endif
 
 // Define API declaration macro
diff --git a/host/include/uhd/transport/zero_copy.hpp b/host/include/uhd/transport/zero_copy.hpp
index fe2974d09..40d7b8c59 100644
--- a/host/include/uhd/transport/zero_copy.hpp
+++ b/host/include/uhd/transport/zero_copy.hpp
@@ -29,7 +29,9 @@ namespace uhd{ namespace transport{
     //! Simple managed buffer with release interface
     class UHD_API managed_buffer{
     public:
-        managed_buffer(void):_ref_count(0){}
+        managed_buffer(void):_ref_count(0),_buffer(NULL),_length(0){}
+
+        virtual ~managed_buffer(void) {}
 
         /*!
          * Signal to the transport that we are done with the buffer.
diff --git a/host/include/uhd/utils/atomic.hpp b/host/include/uhd/utils/atomic.hpp
index 8ddee73ca..55769d2fd 100644
--- a/host/include/uhd/utils/atomic.hpp
+++ b/host/include/uhd/utils/atomic.hpp
@@ -78,6 +78,10 @@ namespace uhd{
     class UHD_API reusable_barrier{
     public:
 
+        reusable_barrier():_size (0) {}
+
+        reusable_barrier(const size_t size):_size(size) {}
+
         //! Resize the barrier for N threads
         void resize(const size_t size){
             _size = size;