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    30996 pts/0    S      0:00      \_ perl -w ./us2.pl
32396 pts/0    S      0:00          \_ perl -w ./us2.pl
32451 pts/0    R      0:00          |   \_ perl -w ./us2.pl
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32450 pts/0    R      0:00              \_ perl -w ./us2.pl
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      831 pts/0    R      0:28      \_ perl -w ./us2.pl
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 1776 pts/0    R      0:00              \_ perl -w ./us2.pl
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    use POSIX ":sys_wait_h";
sub REAPER {
...
}
$SIG{CHLD} = \&REAPER;
# do something that forks...
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    -- 
Daniellek