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Issue #18571: Implementation of the PEP 446: file descriptors and file handles

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are now created non-inheritable; add functions os.get/set_inheritable(),
os.get/set_handle_inheritable() and socket.socket.get/set_inheritable().
This commit is contained in:
Victor Stinner 2013-08-28 00:53:59 +02:00
parent 46e1ce214b
commit daf455554b
51 changed files with 1448 additions and 317 deletions
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11
Doc/library/functions.rst
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@ -979,6 +979,8 @@ are always available. They are listed here in alphabetical order.
:mod:`os.open` as *opener* results in functionality similar to passing
``None``).
The newly created file is :ref:`non-inheritable <fd_inheritance>`.
The following example uses the :ref:`dir_fd <dir_fd>` parameter of the
:func:`os.open` function to open a file relative to a given directory::
@ -992,10 +994,6 @@ are always available. They are listed here in alphabetical order.
...
>>> os.close(dir_fd) # don't leak a file descriptor
.. versionchanged:: 3.3
The *opener* parameter was added.
The ``'x'`` mode was added.
The type of :term:`file object` returned by the :func:`open` function
depends on the mode. When :func:`open` is used to open a file in a text
mode (``'w'``, ``'r'``, ``'wt'``, ``'rt'``, etc.), it returns a subclass of
@ -1022,10 +1020,15 @@ are always available. They are listed here in alphabetical order.
and :mod:`shutil`.
.. versionchanged:: 3.3
The *opener* parameter was added.
The ``'x'`` mode was added.
:exc:`IOError` used to be raised, it is now an alias of :exc:`OSError`.
:exc:`FileExistsError` is now raised if the file opened in exclusive
creation mode (``'x'``) already exists.
.. versionchanged:: 3.4
The file is now non-inheritable.
.. XXX works for bytes too, but should it?
.. function:: ord(c)