[jimtabor] 13787: Partial implementation of SystemHandleInformation and ObpGetNextHandleByProcessCount (Name will change very soon). Fix GetHandleCountByHandleTable return real number of open handles.

Partial implementation of SystemHandleInformation and
ObpGetNextHandleByProcessCount (Name will change very soon). Fix
GetHandleCountByHandleTable return real number of open handles.
Modified: trunk/reactos/ntoskrnl/ex/sysinfo.c
Modified: trunk/reactos/ntoskrnl/ob/handle.c
  _____

Modified: trunk/reactos/ntoskrnl/ex/sysinfo.c
--- trunk/reactos/ntoskrnl/ex/sysinfo.c	2005-02-28 22:03:10 UTC (rev
13786)
+++ trunk/reactos/ntoskrnl/ex/sysinfo.c	2005-03-01 02:32:09 UTC (rev
13787)
@@ -811,13 +811,107 @@

return (STATUS_NOT_IMPLEMENTED);
 }

+
+VOID
+ObpGetNextHandleByProcessCount(PSYSTEM_HANDLE_TABLE_ENTRY_INFO pshi,
+                               PEPROCESS Process,
+                               int Count);
+
 /* Class 16 - Handle Information */
 QSI_DEF(SystemHandleInformation)
 {
-	/* FIXME */
-	DPRINT1("NtQuerySystemInformation - SystemHandleInformation not
implemented\n");
-	return (STATUS_NOT_IMPLEMENTED);
+
+        PSYSTEM_HANDLE_INFORMATION Shi = 
+        	(PSYSTEM_HANDLE_INFORMATION) Buffer;
+
+        DPRINT("NtQuerySystemInformation - SystemHandleInformation\n");
+
+	if (Size < sizeof (SYSTEM_HANDLE_INFORMATION))
+        {
+		* ReqSize = sizeof (SYSTEM_HANDLE_INFORMATION);
+		return (STATUS_INFO_LENGTH_MISMATCH);
+	}
+
+	DPRINT("SystemHandleInformation 1\n");
+
+	PEPROCESS pr, syspr;
+	int curSize, i = 0;
+	ULONG hCount = 0;
+		
+        /* First Calc Size from Count. */
+        syspr = PsGetNextProcess(NULL);
+	pr = syspr;
+
+        do
+	  {
+            hCount = hCount +
ObpGetHandleCountByHandleTable(&pr->HandleTable);
+
+            curSize = sizeof(SYSTEM_HANDLE_INFORMATION)+
+                        (  (sizeof(SYSTEM_HANDLE_TABLE_ENTRY_INFO) *
hCount) - 
+                           (sizeof(SYSTEM_HANDLE_TABLE_ENTRY_INFO) ));
+
+            Shi->NumberOfHandles = hCount;
+
+           if (curSize > Size)
+             {
+               *ReqSize = curSize;
+               DPRINT1("SystemHandleInformation 2\n");
+               return (STATUS_INFO_LENGTH_MISMATCH);
+             }
+
+	    pr = PsGetNextProcess(pr);
+
+	    if ((pr == syspr) || (pr == NULL))
+		break;
+        } while ((pr != syspr) && (pr != NULL));
+
+	if (pr != NULL)
+	  {
+	    ObDereferenceObject(pr);
+	  }
+
+	DPRINT("SystemHandleInformation 3\n");
+
+        /* Now get Handles from all processs. */
+        syspr = PsGetNextProcess(NULL);
+	pr = syspr;
+
+	 do
+	  {
+            int Count = 0, HandleCount = 0;
+
+            HandleCount =
ObpGetHandleCountByHandleTable(&pr->HandleTable);
+
+            for (Count = 0; HandleCount > 0 ; HandleCount--)
+               {
+                 ObpGetNextHandleByProcessCount( &Shi->Handles[i], pr,
Count);
+                 Count++;
+                 i++;
+               }
+
+	    pr = PsGetNextProcess(pr);
+
+	    if ((pr == syspr) || (pr == NULL))
+		break;
+	   } while ((pr != syspr) && (pr != NULL));
+
+
+	if (pr != NULL)
+	  {
+	    ObDereferenceObject(pr);
+	  }
+
+	DPRINT("SystemHandleInformation 4\n");
+	return (STATUS_SUCCESS);
+
 }
+/*
+SSI_DEF(SystemHandleInformation)
+{
+	
+	return (STATUS_SUCCESS);
+}
+*/

/* Class 17 -  Information */
 QSI_DEF(SystemObjectInformation)
  _____

Modified: trunk/reactos/ntoskrnl/ob/handle.c
--- trunk/reactos/ntoskrnl/ob/handle.c	2005-02-28 22:03:10 UTC (rev
13786)
+++ trunk/reactos/ntoskrnl/ob/handle.c	2005-03-01 02:32:09 UTC (rev
13787)
@@ -1014,8 +1014,9 @@

{
          Header = BODY_TO_HEADER(ObjectBody);

-	      /* Make sure this is real. */
-	      if (Header->ObjectType != NULL)
+	      /* Make sure this is real. Okay! For real!*/
+	      if ((Header->ObjectType != NULL) &&
+		      (Header->ObjectType->Close != NULL))
    	Count++;
        }
    }
@@ -1078,4 +1079,31 @@
   return STATUS_UNSUCCESSFUL;
 }

+VOID
+ObpGetNextHandleByProcessCount(PSYSTEM_HANDLE_TABLE_ENTRY_INFO pshi,
+                               PEPROCESS Process,
+                               int Count)
+{
+      ULONG P;
+      KIRQL oldIrql;
+
+//      pshi->HandleValue;
+
+      P = (ULONG) Process->UniqueProcessId;
+      pshi->UniqueProcessId = (USHORT) P;
+
+      KeAcquireSpinLock( &Process->HandleTable.ListLock, &oldIrql );
+
+//      pshi->GrantedAccess;
+//      pshi->Object;
+//      pshi->ObjectTypeIndex;
+//      pshi->HandleAttributes;
+
+      KeReleaseSpinLock( &Process->HandleTable.ListLock, oldIrql );
+
+      return;
+}
+
+
+
 /* EOF */