L4 is now a burden

2026-05-21 19:40:00 +08:00
parent 0681237c3b
commit 15f90aed29
3 changed files with 36 additions and 46 deletions
@@ -119,5 +119,37 @@ namespace StgSharp.HighPerformance.Memory
            #endregion
        }

+        [StructLayout(LayoutKind.Sequential)]
+        public unsafe ref struct Handle : IDisposable
+        {
+
+            private CacheLineMetadata* _head;
+            private nuint _handle;
+
+            private Handle(
+                    nuint handle,
+                    CacheLineMetadata* cacheRefCount
+            )
+            {
+                _handle = handle;
+                _head = cacheRefCount;
+            }
+
+            [Obsolete("You should not create a CacheLineHandle instance outside a L4", true)]
+            public Handle() { }
+
+            public readonly nuint Address => _handle;
+
+            public void Dispose()
+            {
+                if (_handle == 0) {
+                    return;
+                }
+                _handle = 0;
+                _ = Interlocked.Decrement(ref _head->RefCount);
+            }
+
+        }
+
    }
 }