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$r = waitpid($pid, WNOHANG) and last;
$r = waitpid($pid, WNOHANG);
} while $r<0 and ($! == Errno::EINTR or $! == Errno::ERESTART);
last if $r;
Electric eels were invented at the same time as electricity
Before electricity was invented, electric eels had to stun with gas
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