TraceLoggingEventHandleTable.cs

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using System.Threading;
 
namespace System.Diagnostics.Tracing;
 
internal sealed class TraceLoggingEventHandleTable
{
    private IntPtr[] m_innerTable;
 
    internal IntPtr this[int eventID]
    {
        get
        {
            IntPtr result = IntPtr.Zero;
            IntPtr[] array = Volatile.Read(ref m_innerTable);
            if (eventID >= 0 && eventID < array.Length)
            {
                result = array[eventID];
            }
            return result;
        }
    }
 
    internal TraceLoggingEventHandleTable()
    {
        m_innerTable = new IntPtr[10];
    }
 
    internal void SetEventHandle(int eventID, IntPtr eventHandle)
    {
        if (eventID >= m_innerTable.Length)
        {
            int num = m_innerTable.Length * 2;
            if (num <= eventID)
            {
                num = eventID + 1;
            }
            IntPtr[] array = new IntPtr[num];
            Array.Copy(m_innerTable, array, m_innerTable.Length);
            Volatile.Write(ref m_innerTable, array);
        }
        m_innerTable[eventID] = eventHandle;
    }
}