Daily update on 20260312-004950 by Nitload Youmu. Additional Message : use one single index mux as replacement of two slab allocators for L4.

Signed-off-by: Nitload <YoumuLiu_NSI@whv0t.onmicrosoft.com>
2026-03-12 00:49:50 +08:00
parent 9b5dfec9d5
commit 0c1887d8f8
7 changed files with 197 additions and 88 deletions
@@ -0,0 +1,96 @@
+//-----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+// file="UnmanagedStack"
+// Project: StgSharp
+// AuthorGroup: Nitload Space
+// Copyright (c) Nitload Space. 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
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//     
+// -----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp.Collections
+{
+    public unsafe class UnmanagedStack<T>(T* address, int capacity, Action<nuint> freeHandle) : IDisposable
+        where T: unmanaged
+    {
+
+        private T* _array = address;
+        private readonly Action<nuint> _freeHandle = freeHandle;
+        private readonly int _capacity = capacity;
+        private int _index;
+
+        public void Clear()
+        {
+            _index = 0;
+        }
+
+        public void Dispose()
+        {
+            if (_array != null)
+            {
+                _freeHandle((nuint)_array);
+                _array = null;
+            }
+            GC.SuppressFinalize(this);
+        }
+
+        public T Pop()
+        {
+            if (_index == 0) {
+                throw new InvalidOperationException("Stack is empty.");
+            }
+            return _array[--_index];
+        }
+
+        public void Push(T value)
+        {
+            _array[_index] = value;
+            _index++;
+        }
+
+        public bool TryPop(out T value)
+        {
+            if (_index == 0)
+            {
+                value = default;
+                return false;
+            }
+            value = _array[--_index];
+            return true;
+        }
+
+        public bool TryPush(T value)
+        {
+            if (_index >= _capacity) {
+                return false;
+            }
+            _array[_index] = value;
+            _index++;
+            return true;
+        }
+
+    }
+}