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diff --git a/Doc/library/select.rst b/Doc/library/select.rst
index b1fd3a8..524e411 100644
--- a/Doc/library/select.rst
+++ b/Doc/library/select.rst
@@ -14,6 +14,14 @@ it also works for other file types (in particular, on Unix, it works on pipes).
It cannot be used on regular files to determine whether a file has grown since
it was last read.
+.. note::
+
+ The :mod:`selectors` module allows high-level and efficient I/O
+ multiplexing, built upon the :mod:`select` module primitives. Users are
+ encouraged to use the :mod:`selectors` module instead, unless they want
+ precise control over the OS-level primitives used.
+
+
The module defines the following:
@@ -37,8 +45,13 @@ The module defines the following:
increases this value, :c:func:`devpoll` may return an
incomplete list of active file descriptors.
+ The new file descriptor is :ref:`non-inheritable <fd_inheritance>`.
+
.. versionadded:: 3.3
+ .. versionchanged:: 3.4
+ The new file descriptor is now non-inheritable.
+
.. function:: epoll(sizehint=-1, flags=0)
(Only supported on Linux 2.5.44 and newer.) Return an edge polling object,
@@ -47,11 +60,17 @@ The module defines the following:
to :const:`EPOLL_CLOEXEC`, which causes the epoll descriptor to be closed
automatically when :func:`os.execve` is called. See section
:ref:`epoll-objects` below for the methods supported by epolling objects.
+ They also support the :keyword:`with` statement.
+ The new file descriptor is :ref:`non-inheritable <fd_inheritance>`.
.. versionchanged:: 3.3
Added the *flags* parameter.
+ .. versionchanged:: 3.4
+ Support for the :keyword:`with` statement was added.
+ The new file descriptor is now non-inheritable.
+
.. function:: poll()
@@ -66,6 +85,11 @@ The module defines the following:
(Only supported on BSD.) Returns a kernel queue object; see section
:ref:`kqueue-objects` below for the methods supported by kqueue objects.
+ The new file descriptor is :ref:`non-inheritable <fd_inheritance>`.
+
+ .. versionchanged:: 3.4
+ The new file descriptor is now non-inheritable.
+
.. function:: kevent(ident, filter=KQ_FILTER_READ, flags=KQ_EV_ADD, fflags=0, data=0, udata=0)
@@ -144,6 +168,27 @@ descriptors), ``/dev/poll`` is O(active file descriptors).
object.
+.. method:: devpoll.close()
+
+ Close the file descriptor of the polling object.
+
+ .. versionadded:: 3.4
+
+
+.. attribute:: devpoll.closed
+
+ ``True`` if the polling object is closed.
+
+ .. versionadded:: 3.4
+
+
+.. method:: devpoll.fileno()
+
+ Return the file descriptor number of the polling object.
+
+ .. versionadded:: 3.4
+
+
.. method:: devpoll.register(fd[, eventmask])
Register a file descriptor with the polling object. Future calls to the
@@ -241,6 +286,11 @@ Edge and Level Trigger Polling (epoll) Objects
Close the control file descriptor of the epoll object.
+.. attribute:: epoll.closed
+
+ ``True`` if the epoll object is closed.
+
+
.. method:: epoll.fileno()
Return the file descriptor number of the control fd.
@@ -360,6 +410,11 @@ Kqueue Objects
Close the control file descriptor of the kqueue object.
+.. attribute:: kqueue.closed
+
+ ``True`` if the kqueue object is closed.
+
+
.. method:: kqueue.fileno()
Return the file descriptor number of the control fd.