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d d � Z � S)r ad 'Safe' child watcher implementation.
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big number of children (O(n) each time SIGCHLD is raised)
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z-_UnixDefaultEventLoopPolicy.get_child_watcherc C sM | d k s! t | t � s! t � | j d k r@ | j j � n | | _ d S)z$Set the watcher for child processes.N)rA r ra r� r! )r rX r r r �set_child_watcher� s !z-_UnixDefaultEventLoopPolicy.set_child_watcher) rn ro rp rq r Z
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