count all gdi handles and serialize removing gdi handles from the table.

reactos/subsys/win32k/objects

diff -u -r1.62 -r1.63
--- gdiobj.c	9 Mar 2004 20:34:28 -0000	1.62
+++ gdiobj.c	14 Mar 2004 12:16:50 -0000	1.63
@@ -19,7 +19,7 @@

 /*
  * GDIOBJ.C - GDI object manipulation routines
  *

- * $Id: gdiobj.c,v 1.62 2004/03/09 20:34:28 dwelch Exp $

+ * $Id: gdiobj.c,v 1.63 2004/03/14 12:16:50 weiden Exp $

  *
  */
 

@@ -46,6 +46,8 @@

 
 /* enable/disable GDI object caching */
 #define GDI_CACHE_OBJECTS 0

+/* count all gdi objects */
+#define GDI_COUNT_OBJECTS 1

 
 /*! Size of the GDI handle table
  * http://www.windevnet.com/documents/s=7290/wdj9902b/9902b.htm

@@ -89,6 +91,9 @@

 {
   WORD wTableSize;
   WORD AllocationHint;

+  #if GDI_COUNT_OBJECTS
+  ULONG HandlesCount;
+  #endif

   #if GDI_CACHE_OBJECTS
   ULONG ObjHdrSize;
   PGDIOBJHDR *CachedObjects;

@@ -241,6 +246,9 @@

   handleTable = ExAllocatePoolWithTag(PagedPool, MemSize, TAG_GDIHNDTBLE);
   ASSERT( handleTable );
   memset (handleTable, 0, MemSize);

+#if GDI_COUNT_OBJECTS
+  handleTable->HandlesCount = 0;
+#endif

 #if GDI_CACHE_OBJECTS
   handleTable->CachedObjects = &handleTable->Handles[Size];
   handleTable->ObjHdrSize = sizeof(GDIOBJHDR) + GDI_MaxGdiObjHeaderSize();

@@ -388,6 +396,9 @@

   newObject->lockline = 0;
   ExInitializeFastMutex(&newObject->Lock);
   HandleTable->Handles[Index] = newObject;

+#if GDI_COUNT_OBJECTS
+  HandleTable->HandlesCount++;
+#endif

   ExReleaseFastMutex(&HandleTableMutex);
   
   W32Process = PsGetCurrentProcess()->Win32Process;

@@ -468,7 +479,12 @@

 #else
   ExFreePool(objectHeader);
 #endif

+  ExAcquireFastMutexUnsafe (&HandleTableMutex);

   HandleTable->Handles[GDI_HANDLE_GET_INDEX(hObj)] = NULL;

+#if GDI_COUNT_OBJECTS
+  HandleTable->HandlesCount--;
+#endif
+  ExReleaseFastMutexUnsafe (&HandleTableMutex);

   
   W32Process = PsGetCurrentProcess()->Win32Process;
   if(W32Process)