diff -r 56ca8eb5207a Modules/posixmodule.c
--- a/Modules/posixmodule.c	Fri May 03 10:57:08 2013 -0400
+++ b/Modules/posixmodule.c	Fri May 03 17:17:10 2013 -0700
@@ -3409,7 +3409,9 @@
 static PyObject *
 _posix_listdir(path_t *path, PyObject *list)
 {
+#ifdef HAVE_FDOPENDIR
     int fd = -1;
+#endif
 
     PyObject *v;
     DIR *dirp = NULL;
@@ -3455,6 +3457,10 @@
     }
 
     if (dirp == NULL) {
+#ifdef HAVE_FDOPENDIR
+        if (fd != -1)
+            close(fd);
+#endif
         list = path_error(path);
         goto exit;
     }
@@ -3498,8 +3504,10 @@
 exit:
     if (dirp != NULL) {
         Py_BEGIN_ALLOW_THREADS
+#ifdef HAVE_FDOPENDIR
         if (fd > -1)
             rewinddir(dirp);
+#endif
         closedir(dirp);
         Py_END_ALLOW_THREADS
     }