typedef struct _HANDLE_TABLE
{
     ULONG TableCode;
     PEPROCESS QuotaProcess;
     PVOID UniqueProcessId;
     EX_PUSH_LOCK HandleLock;
     LIST_ENTRY HandleTableList;
     EX_PUSH_LOCK HandleContentionEvent;
     PHANDLE_TRACE_DEBUG_INFO DebugInfo;
     LONG ExtraInfoPages;
     ULONG Flags;
     ULONG StrictFIFO: 1;
     LONG FirstFreeHandle;
     PHANDLE_TABLE_ENTRY LastFreeHandleEntry;
     LONG HandleCount;
     ULONG NextHandleNeedingPool;
} HANDLE_TABLE, *PHANDLE_TABLE;

Windows Vista Kernel Structures