the C library.
.. versionchanged:: 3.4
- Add :data:`O_TMPFILE` constant. It's only available on Linux Kernel 3.11
- or newer.
+ Add :data:`O_PATH` on systems that support it.
+ Add :data:`O_TMPFILE`, only available on Linux Kernel 3.11
+ or newer.
.. function:: openpty()
:func:`os.path.ismount` now recognizes volumes mounted below a drive
root on Windows. (Contributed by Tim Golden in :issue:`9035`.)
-:func:`os.open` supports a new flag, :data:`~os.O_TMPFILE` (unnamed temporary
-file) on platforms that provide it (as of 3.4.0 release, that means Linux
-systems with a kernel version of 3.11 or newer that have uapi headers).
-(Contributed by Christian Heimes in :issue:`18673`.)
+:func:`os.open` supports two new flags on platforms that provide them,
+:data:`~os.O_TMPFILE` (unnamed temporary file, as of 3.4.0 release available
+only on Linux systems with a kernel version of 3.11 or newer that have uapi
+headers), and :data:`~os.O_PATH` (un-opened file descriptor). (Contributed by
+Christian Heimes in :issue:`18673` and Benjamin Peterson, respectively.)
pdb