Add a destructor callback as well

1 files changed, 2 insertions, 1 deletions

diff --git a/include/grpc++/client_context.h b/include/grpc++/client_context.h
index d3f23fe047..8e7c3579e3 100644
--- a/include/grpc++/client_context.h
+++ b/include/grpc++/client_context.h
@@ -283,10 +283,11 @@ class ClientContext {
   /// Global Callbacks
   ///
   /// Can be set exactly once per application to install hooks whenever
-  /// a client context is constructed.
+  /// a client context is constructed and destructed.
   class GlobalCallbacks {
    public:
     virtual void DefaultConstructor(ClientContext* context) = 0;
+    virtual void Destructor(ClientContext* context) = 0;
   };
   static void SetGlobalCallbacks(GlobalCallbacks* callbacks);