diff --git a/reactos/lib/kernel32/process/session.c b/reactos/lib/kernel32/process/session.c
new file mode 100644
index 00000000000..ff534315914
--- /dev/null
+++ b/reactos/lib/kernel32/process/session.c
@@ -0,0 +1,28 @@
+/* $Id: session.c,v 1.1 2001/12/07 11:19:49 ea Exp $
+ *
+ * COPYRIGHT:       See COPYING in the top level directory
+ * PROJECT:         ReactOS system libraries
+ * FILE:            lib/kernel32/proc/session.c
+ * PURPOSE:         Win32 session (TS) functions
+ * PROGRAMMER:      Emanuele Aliberti
+ * UPDATE HISTORY:
+ *     2001-12-07 created
+ */
+#include <ddk/ntddk.h>
+
+BOOL STDCALL ProcessIdToSessionId (
+  DWORD dwProcessId,
+  DWORD* pSessionId
+  )
+{
+	if (NULL != pSessionId)
+	{
+		/* TODO: implement TS */
+		*pSessionId = 0; /* no TS */
+		return TRUE;
+	}
+	return FALSE;
+}
+
+
+/* EOF */