[None][fix] Explicitly prohibit all copy and assignment operations for MemoryCounters Singleton.

Signed-off-by: fanyunfan <[email protected]>

Author: Fan-Yunfan

cpp/include/tensorrt_llm/runtime/memoryCounters.h

@@ -84,6 +84,11 @@ class MemoryCounters
         return mPinnedPoolDiff;
     }
 
+    template <MemoryType T>
+    struct always_false : std::false_type
+    {
+    };
+
     template <MemoryType T>
     void allocate(SizeType32 size)
     {
@@ -119,7 +124,7 @@ class MemoryCounters
         }
         else
         {
-            static_assert(!std::is_same_v<T, T>, "Unknown memory type!");
+            static_assert(always_false<T>::value, "Unknown memory type!");
         }
     }
 
@@ -160,14 +165,19 @@ class MemoryCounters
         }
         else
         {
-            static_assert(!std::is_same_v<T, T>, "Unknown memory type!");
+            static_assert(always_false<T>::value, "Unknown memory type!");
         }
     }
 
     void deallocate(MemoryType memoryType, SizeType32 size);
 
     static MemoryCounters& getInstance();
 
+    MemoryCounters(MemoryCounters const&) = delete;
+    MemoryCounters& operator=(MemoryCounters const&) = delete;
+    MemoryCounters(MemoryCounters&&) = delete;
+    MemoryCounters& operator=(MemoryCounters&&) = delete;
+
     static std::string bytesToString(SizeType32 bytes, int precision = 2);
 
     static std::string bytesToString(DiffType bytes, int precision = 2);