typedef struct _HANDLE_TRACE_DEBUG_INFO
{
    long RefCount;
    unsigned long TableSize;
    unsigned long BitMaskFlags;
    FAST_MUTEX CloseCompactionLock;
    unsigned long CurrentStackIndex;
    HANDLE_TRACE_DB_ENTRY TraceDb[1];
} HANDLE_TRACE_DEBUG_INFO, *PHANDLE_TRACE_DEBUG_INFO;