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| author | Martin Panter <vadmium+py@gmail.com> | 2016-03-31 08:25:59 +0000 |
|---|---|---|
| committer | Martin Panter <vadmium+py@gmail.com> | 2016-03-31 08:25:59 +0000 |
| commit | c7388039848c599e930620c8f544f18b1ae7187d (patch) | |
| tree | 0569f16bc4d086576e4a845bb14792916a400801 /Doc/library/multiprocessing.rst | |
| parent | 750bbb301975bc327fe5f4fcdf0cc9e1953a56d5 (diff) | |
| parent | 3d50f38849cb50ac6366dd38c93d21631e4fc844 (diff) | |
| download | cpython-c7388039848c599e930620c8f544f18b1ae7187d.tar.gz | |
Issue #22854: Merge UnsupportedOperation fixes from 3.5
Diffstat (limited to 'Doc/library/multiprocessing.rst')
| -rw-r--r-- | Doc/library/multiprocessing.rst | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst index 684a59f086..6440f5c988 100644 --- a/Doc/library/multiprocessing.rst +++ b/Doc/library/multiprocessing.rst @@ -883,8 +883,13 @@ Miscellaneous .. function:: cpu_count() - Return the number of CPUs in the system. May raise - :exc:`NotImplementedError`. + Return the number of CPUs in the system. + + This number is not equivalent to the number of CPUs the current process can + use. The number of usable CPUs can be obtained with + ``len(os.sched_getaffinity(0))`` + + May raise :exc:`NotImplementedError`. .. seealso:: :func:`os.cpu_count` |