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Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/select.rst | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Doc/library/select.rst b/Doc/library/select.rst index 351ecfa..469fbac 100644 --- a/Doc/library/select.rst +++ b/Doc/library/select.rst @@ -100,6 +100,15 @@ The module defines the following: library, and does not handle file descriptors that don't originate from WinSock. +.. attribute:: select.PIPE_BUF + + Files reported as ready for writing by :func:`select`, :func:`poll` or + similar interfaces in this module are guaranteed to not block on a write + of up to :const:`PIPE_BUF` bytes. + This value is guaranteed by POSIX to be at least 512. + + .. versionadded:: 2.7 + .. _epoll-objects: |