DisposeInvoker.cs

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using System;
using System.Threading;
 
namespace Tgstation.Server.Host.Utils
{
    class DisposeInvoker : IDisposable
    {
        public bool IsDisposed => disposeRan != 0;
 
        readonly Action disposeAction;
 
        volatile int disposeRan;
 
        public DisposeInvoker(Action disposeAction)
        {
            this.disposeAction = disposeAction ?? throw new ArgumentNullException(nameof(disposeAction));
        }
 
        public void Dispose()
        {
            if (Interlocked.Exchange(ref disposeRan, 1) != 0)
                return;
 
            DisposeImpl();
        }
 
        protected virtual void DisposeImpl() => disposeAction();
    }
}