1 files changed, 50 insertions, 1 deletions
diff --git a/Doc/library/stat.rst b/Doc/library/stat.rst
index 6c20aa2..24769f6 100644
--- a/Doc/library/stat.rst
+++ b/Doc/library/stat.rst
@@ -6,7 +6,8 @@
               os.lstat() and os.fstat().
 .. sectionauthor:: Skip Montanaro <skip@automatrix.com>
 
-**Source code:** :source:`Lib/stat.py`
+**Source code:** :source:`Modules/_stat.c`
+                 :source:`Lib/stat.py`
 
 --------------
 
@@ -15,6 +16,9 @@ results of :func:`os.stat`, :func:`os.fstat` and :func:`os.lstat` (if they
 exist).  For complete details about the :c:func:`stat`, :c:func:`fstat` and
 :c:func:`lstat` calls, consult the documentation for your system.
 
+.. versionchanged:: 3.4
+   The stat module is backed by a C implementation.
+
 The :mod:`stat` module defines the following functions to test for specific file
 types:
 
@@ -53,6 +57,24 @@ types:
 
    Return non-zero if the mode is from a socket.
 
+.. function:: S_ISDOOR(mode)
+
+   Return non-zero if the mode is from a door.
+
+   .. versionadded:: 3.4
+
+.. function:: S_ISPORT(mode)
+
+   Return non-zero if the mode is from an event port.
+
+   .. versionadded:: 3.4
+
+.. function:: S_ISWHT(mode)
+
+   Return non-zero if the mode is from a whiteout.
+
+   .. versionadded:: 3.4
+
 Two additional functions are defined for more general manipulation of the file's
 mode:
 
@@ -113,6 +135,10 @@ readable string:
 
    .. versionadded:: 3.3
 
+   .. versionchanged:: 3.4
+      The function supports :data:`S_IFDOOR`, :data:`S_IFPORT` and
+      :data:`S_IFWHT`.
+
 
 All the variables below are simply symbolic indexes into the 10-tuple returned
 by :func:`os.stat`, :func:`os.fstat` or :func:`os.lstat`.
@@ -210,6 +236,29 @@ Use of the functions above is more portable than use of the first set of flags:
 
    FIFO.
 
+.. data:: S_IFDOOR
+
+   Door.
+
+   .. versionadded:: 3.4
+
+.. data:: S_IFPORT
+
+   Event port.
+
+   .. versionadded:: 3.4
+
+.. data:: S_IFWHT
+
+   Whiteout.
+
+   .. versionadded:: 3.4
+
+.. note::
+
+   :data:`S_IFDOOR`, :data:`S_IFPORT` or :data:`S_IFWHT` are defined as
+   0 when the platform does not have support for the file types.
+
 The following flags can also be used in the *mode* argument of :func:`os.chmod`:
 
 .. data:: S_ISUID