l4 handle

StgSharp.Common/HighPerformance/Memory/L4.EvictionRing.cs

@@ -2,8 +2,8 @@
 // -----------------------------------------------------------------------
 // file="L4.EvictionRing"
 // Project: StgSharp
-// AuthorGroup: Nitload Space
-// Copyright (c) Nitload Space. All rights reserved.
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
 //     
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -45,14 +45,16 @@ namespace StgSharp.HighPerformance.Memory
 
             private nint[] _bucket;
 
-            public void AddNode(EvictionRingNode* node)
+            public void AddNode(
+                        CacheLineHead* node
+            )
             {
                 nint address = node->_address;
                 int hash = (int)(address % (nint)_bucket.Length);
                 nint head = _bucket[hash];
                 if (head != 0)
                 {
-                    EvictionRingNode* headNode = (EvictionRingNode*)head;
+                    CacheLineHead* headNode = (CacheLineHead*)head;
                     headNode->_prev = node;
                     node->_next = headNode;
                 }
@@ -62,17 +64,23 @@ namespace StgSharp.HighPerformance.Memory
         }
 
         [StructLayout(LayoutKind.Sequential)]
-        private unsafe struct EvictionRingNode
+        private unsafe struct CacheLineHead
         {
 
-            public EvictionRingNode* _next;
-            public EvictionRingNode* _prev;
-            public int _level;
-            public int _refCount;
-            public nint _address;
+            internal CacheLineHead* _next;
+            internal CacheLineHead* _prev;
+            internal int _level;
+            internal int _refCount;
+            internal nuint _address;
 
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            public void IncrementRefCount()
+            public void Unuse()
+            {
+                _ = Interlocked.Decrement(ref _refCount);
+            }
+
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            public void Use()
             {
                 _ = Interlocked.Increment(ref _refCount);
             }