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[3.8] bpo-26836: Document os.memfd_create() name parameter (GH-13838) #13839

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vstinner merged 1 commit into from
Jun 5, 2019
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[3.8] bpo-26836: Document os.memfd_create() name parameter (GH-13838) #13839

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7 changes: 7 additions & 0 deletions Doc/library/os.rst
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Expand Up @@ -3011,6 +3011,13 @@ features:
(or a bitwise ORed combination of them). By default, the new file
descriptor is :ref:`non-inheritable <fd_inheritance>`.

The name supplied in *name* is used as a filename and will be displayed as
the target of the corresponding symbolic link in the directory
``/proc/self/fd/``. The displayed name is always prefixed with ``memfd:``
and serves only for debugging purposes. Names do not affect the behavior of
the file descriptor, and as such multiple files can have the same name
without any side effects.

.. availability:: Linux 3.17 or newer with glibc 2.27 or newer.

.. versionadded:: 3.8
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