PinnedObject.cs

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using System.Runtime.InteropServices;
using System.Threading;
 
namespace System.Reflection.Internal;
 
internal sealed class PinnedObject : CriticalDisposableObject
{
    private GCHandle _handle;
 
    private int _isValid;
 
    public unsafe byte* Pointer => (byte*)(void*)_handle.AddrOfPinnedObject();
 
    public PinnedObject(object obj)
    {
        _handle = GCHandle.Alloc(obj, GCHandleType.Pinned);
        _isValid = 1;
    }
 
    protected override void Release()
    {
        try
        {
        }
        finally
        {
            if (Interlocked.Exchange(ref _isValid, 0) != 0)
            {
                _handle.Free();
            }
        }
    }
}