81 lines
2.7 KiB
C#
81 lines
2.7 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="SlabAllocator.cs"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the “Software”), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED “AS IS”,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// -----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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using StgSharp.HighPerformance.Memory;
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using StgSharp.Threading;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace StgSharp.HighPerformance.Memory
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{
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public abstract class SlabAllocator<T> : IDisposable where T: unmanaged
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{
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public abstract nuint Allocate();
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public static SlabAllocator<T> Create(nuint count, BufferLayout layout)
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{
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return layout switch
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{
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BufferLayout.Sequential => new SequentialSlabAllocator<T>(count),
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BufferLayout.Chunked => new ChunkedSlabAllocator<T>(count),
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_ => throw new ArgumentOutOfRangeException(nameof(layout), layout, null)
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};
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}
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public abstract void Dispose();
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public abstract void EnterBufferReading();
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public abstract void ExitBufferReading();
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public abstract void Free(nuint index);
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public abstract SlabAllocationHandle<T> ReadAllocation();
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}
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public enum BufferLayout
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{
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Sequential,
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Chunked,
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HybridLayerSegregatedFit
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}
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}
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