private Dictionary<TestReaderWriterLock, int> EnsureThreadReaderLevels()
{
Dictionary<TestReaderWriterLock, int> threadReaderLevels = t_readerLevels;
if (threadReaderLevels == null)
{
t_readerLevels = threadReaderLevels = new Dictionary<TestReaderWriterLock, int>();
}
return threadReaderLevels;
}