MemoryHandle.cs

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using System.Runtime.InteropServices;
 
namespace System.Buffers;
 
public struct MemoryHandle : IDisposable
{
    private unsafe void* _pointer;
 
    private GCHandle _handle;
 
    private IPinnable _pinnable;
 
    [CLSCompliant(false)]
    public unsafe void* Pointer => _pointer;
 
    [CLSCompliant(false)]
    public unsafe MemoryHandle(void* pointer, GCHandle handle = default(GCHandle), IPinnable? pinnable = null)
    {
        _pointer = pointer;
        _handle = handle;
        _pinnable = pinnable;
    }
 
    public unsafe void Dispose()
    {
        if (_handle.IsAllocated)
        {
            _handle.Free();
        }
        if (_pinnable != null)
        {
            _pinnable.Unpin();
            _pinnable = null;
        }
        _pointer = null;
    }
}