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| author | Benjamin Peterson <benjamin@python.org> | 2017-12-29 21:13:06 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-12-29 21:13:06 (GMT) |
| commit | bbdb17d19bb1d5443ca4417254e014ad64c04540 (patch) | |
| tree | fc518799f5fedc84812666d3994fa19aec5f2f8d /Doc/library | |
| parent | 03220fdb26c0b6a50ce5ed1fdfbf232094b66db6 (diff) | |
| download | cpython-bbdb17d19bb1d5443ca4417254e014ad64c04540.zip cpython-bbdb17d19bb1d5443ca4417254e014ad64c04540.tar.gz cpython-bbdb17d19bb1d5443ca4417254e014ad64c04540.tar.bz2 | |
return the new file descriptor from os.dup2 (closes bpo-32441) (#5041)
Diffstat (limited to 'Doc/library')
| -rw-r--r-- | Doc/library/os.rst | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/Doc/library/os.rst b/Doc/library/os.rst index a24934c..ee08853 100644 --- a/Doc/library/os.rst +++ b/Doc/library/os.rst @@ -735,13 +735,17 @@ as internal buffering of data. .. function:: dup2(fd, fd2, inheritable=True) - Duplicate file descriptor *fd* to *fd2*, closing the latter first if necessary. - The file descriptor *fd2* is :ref:`inheritable <fd_inheritance>` by default, - or non-inheritable if *inheritable* is ``False``. + Duplicate file descriptor *fd* to *fd2*, closing the latter first if + necessary. Return *fd2*. The new file descriptor is :ref:`inheritable + <fd_inheritance>` by default or non-inheritable if *inheritable* + is ``False``. .. versionchanged:: 3.4 Add the optional *inheritable* parameter. + .. versionchanged:: 3.7 + Return *fd2* on success. Previously, ``None`` was always returned. + .. function:: fchmod(fd, mode) |