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RS( s> A stateful poll interface that mirrors Python's built-in poll.c C s g | _ i | _ d S( N( t socketst _map( t self( ( s4 /usr/lib64/python2.7/site-packages/zmq/sugar/poll.pyt __init__ s c C s
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Register a 0MQ socket or native fd for I/O monitoring.
register(s,0) is equivalent to unregister(s).
Parameters
----------
socket : zmq.Socket or native socket
A zmq.Socket or any Python object having a ``fileno()``
method that returns a valid file descriptor.
flags : int
The events to watch for. Can be POLLIN, POLLOUT or POLLIN|POLLOUT.
If `flags=0`, socket will be unregistered.
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c C s | j | | � d S( sC Modify the flags for an already registered 0MQ socket or native fd.N( R ( R R R ( ( s4 /usr/lib64/python2.7/site-packages/zmq/sugar/poll.pyt modify; s c C sW | j j | � } | j j | � x. | j | D] \ } } | j | c d 8<q0 Wd S( s� Remove a 0MQ socket or native fd for I/O monitoring.
Parameters
----------
socket : Socket
The socket instance to stop polling.
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? s c C sR | d k s | d k r! d } n t | t � r? t | � } n t | j d | �S( s� Poll the registered 0MQ or native fds for I/O.
Parameters
----------
timeout : float, int
The timeout in milliseconds. If None, no `timeout` (infinite). This
is in milliseconds to be compatible with ``select.poll()``.
Returns
-------
events : list of tuples
The list of events that are ready to be processed.
This is a list of tuples of the form ``(socket, event)``, where the 0MQ Socket
or integer fd is the first element, and the poll event mask (POLLIN, POLLOUT) is the second.
It is common to call ``events = dict(poller.poll())``,
which turns the list of tuples into a mapping of ``socket : event``.
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Return the result of poll as a lists of sockets ready for r/w/exception.
This has the same interface as Python's built-in ``select.select()`` function.
Parameters
----------
timeout : float, int, optional
The timeout in seconds. If None, no timeout (infinite). This is in seconds to be
compatible with ``select.select()``.
rlist : list of sockets/FDs
sockets/FDs to be polled for read events
wlist : list of sockets/FDs
sockets/FDs to be polled for write events
xlist : list of sockets/FDs
sockets/FDs to be polled for error events
Returns
-------
(rlist, wlist, xlist) : tuple of lists of sockets (length 3)
Lists correspond to sockets available for read/write/error events respectively.
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