1 files changed, 14 insertions, 0 deletions
diff --git a/sql/sql_class.h b/sql/sql_class.h
index 313400aa242..68afd9d4f73 100644
--- a/sql/sql_class.h
+++ b/sql/sql_class.h
@@ -1906,6 +1906,20 @@ private:
   inline bool is_conventional() const
   { DBUG_ASSERT(0); return Statement::is_conventional(); }
 
+  void dec_thread_count(void)
+  {
+    DBUG_ASSERT(thread_count > 0);
+    thread_safe_decrement32(const_cast<int32*>(&thread_count));
+    signal_thd_deleted();
+  }
+
+
+  void inc_thread_count(void)
+  {
+    thread_safe_increment32(const_cast<int32*>(&thread_count));
+    DBUG_ASSERT(!abort_loop);
+  }
+
 public:
   MDL_context mdl_context;