<s> import ufora . distributed . ServerUtils . EventFD as EventFD <EOL> import errno <EOL> efd = EventFD . EventFD ( flags = EventFD . EFD_NONBLOCK ) <EOL> try : <EOL> efd . acquire ( ) <EOL> except OSError as e : <EOL> print e <EOL> print type ( e ) </s>
