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| -rw-r--r-- | Doc/library/os.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Doc/library/os.rst b/Doc/library/os.rst index 43d029a93f..b4e39a425d 100644 --- a/Doc/library/os.rst +++ b/Doc/library/os.rst @@ -513,6 +513,10 @@ process will then be assigned 3, 4, 5, and so forth. The name "file descriptor" is slightly deceptive; on Unix platforms, sockets and pipes are also referenced by file descriptors. +The :meth:`~file.fileno` method can be used to obtain the file descriptor +associated with a file object when required. Note that using the file +descriptor directly will bypass the file object methods, ignoring aspects such +as internal buffering of data. .. function:: close(fd) |