+ PHANDLE_TABLE HandleTable;
+ OBP_CLOSE_HANDLE_CONTEXT Context;
+ KAPC_STATE ApcState;
+ BOOLEAN AttachedToProcess = FALSE;
+
+ ASSERT(Process);
+
+ /* Ensure the handle table doesn't go away while we use it */
+ HandleTable = ObReferenceProcessHandleTable(Process);
+ if (!HandleTable) return;
+
+ /* Attach to the current process if needed */
+ if (PsGetCurrentProcess() != Process)
+ {
+ KeStackAttachProcess(&Process->Pcb, &ApcState);
+ AttachedToProcess = TRUE;
+ }
+
+ /* Enter a critical region */
+ KeEnterCriticalRegion();
+
+ /* Fill out the context */
+ Context.AccessMode = UserMode;
+ Context.HandleTable = HandleTable;
+
+ /* Sweep the handle table to close all handles */
+ ExSweepHandleTable(HandleTable,
+ ObpCloseHandleCallback,
+ &Context);
+
+ /* Leave the critical region */
+ KeLeaveCriticalRegion();
+
+ /* Detach if needed */
+ if (AttachedToProcess)
+ KeUnstackDetachProcess(&ApcState);
+
+ /* Let the handle table go */
+ ObDereferenceProcessHandleTable(Process);