[ros-diffs] [cwittich] 34466: fix handle table calculations now we can create 4186000 handles instead of 4100 and VLC doesn't BSOD anymore

[cwittich at svn.reactos.org]

Author: cwittich
Date: Sun Jul 13 13:22:18 2008
New Revision: 34466

URL: http://svn.reactos.org/svn/reactos?rev=34466&view=rev
Log:
fix handle table calculations
now we can create 4186000 handles instead of 4100
and VLC doesn't BSOD anymore

Modified:
    trunk/reactos/ntoskrnl/ex/handle.c

Modified: trunk/reactos/ntoskrnl/ex/handle.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ex/handle.c?rev=34466&r1=34465&r2=34466&view=diff
==============================================================================
--- trunk/reactos/ntoskrnl/ex/handle.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ex/handle.c [iso-8859-1] Sun Jul 13 13:22:18 2008
@@ -209,10 +209,17 @@
 {
     PEPROCESS Process = HandleTable->QuotaProcess;
     ULONG i, j;
-    ULONG TableLevel = (ULONG)(HandleTable->TableCode & 3);
-    ULONG_PTR TableBase = HandleTable->TableCode & ~3;
+    ULONG TableLevel;
+    ULONG_PTR TableBase;
     PHANDLE_TABLE_ENTRY Level1, *Level2, **Level3;
     PAGED_CODE();
+
+    /* Get the table code */
+    TableBase = *(volatile ULONG_PTR*)&HandleTable->TableCode;
+
+    /* Extract the table level and actual table base */
+    TableLevel = (ULONG)(TableBase & 3);
+    TableBase = TableBase - TableLevel;
 
     /* Check which level we're at */
     if (!TableLevel)
@@ -497,9 +504,16 @@
     PHANDLE_TABLE_ENTRY Low = NULL, *Mid, **High, *SecondLevel, **ThirdLevel;
     ULONG NewFree, FirstFree;
     PVOID Value;
-    ULONG_PTR TableBase = HandleTable->TableCode & ~3;
-    ULONG TableLevel = (ULONG)(TableBase & 3);
-    PAGED_CODE();
+    ULONG_PTR TableBase;
+    ULONG TableLevel;
+    PAGED_CODE();
+
+    /* Get the table code */
+    TableBase = *(volatile ULONG_PTR*)&HandleTable->TableCode;
+
+    /* Extract the table level and actual table base */
+    TableLevel = (ULONG)(TableBase & 3);
+    TableBase = TableBase - TableLevel;
 
     /* Check how many levels we already have */
     if (!TableLevel)