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| author | Victor Stinner <vstinner@redhat.com> | 2019-04-25 12:30:16 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-04-25 12:30:16 (GMT) |
| commit | d7befad328ad1a6d1f812be2bf154c1cd1e01fbc (patch) | |
| tree | 3b00ea6e4ee4f40f732cbb8c1c3371db8e9fc6cb /Doc/whatsnew | |
| parent | 0ef8c157e9195df0115c54ba875a5efb92ac22fb (diff) | |
| download | cpython-d7befad328ad1a6d1f812be2bf154c1cd1e01fbc.zip cpython-d7befad328ad1a6d1f812be2bf154c1cd1e01fbc.tar.gz cpython-d7befad328ad1a6d1f812be2bf154c1cd1e01fbc.tar.bz2 | |
bpo-35537: Document posix_spawn() change in subprocess (GH-11668)
Document that subprocess.Popen no longer raise an exception on error
like missing program on very specific platforms when using
os.posix_spawn() is used.
Diffstat (limited to 'Doc/whatsnew')
| -rw-r--r-- | Doc/whatsnew/3.8.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.8.rst b/Doc/whatsnew/3.8.rst index ae8163a..344656b 100644 --- a/Doc/whatsnew/3.8.rst +++ b/Doc/whatsnew/3.8.rst @@ -729,6 +729,12 @@ Changes in Python behavior Changes in the Python API ------------------------- +* :class:`subprocess.Popen` can now use :func:`os.posix_spawn` in some cases + for better performance. On Windows Subsystem for Linux and QEMU User + Emulation, Popen constructor using :func:`os.posix_spawn` no longer raise an + exception on errors like missing program, but the child process fails with a + non-zero :attr:`~Popen.returncode`. + * The :meth:`imap.IMAP4.logout` method no longer ignores silently arbitrary exceptions. |