Riiiiight, so this example from perlthrtut is rather misleading then: 
Waiting For A Thread To Exit

Since threads are also subroutines, they can return values.  To wait
for a thread to exit and extract any values it might return, you can
use the join() method:

    use threads;

    $thr = threads->new(\&sub1);

    @ReturnData = $thr->join;
    print "Thread returned @ReturnData";

    sub sub1 { return "Fifty-six", "foo", 2; }

In the example above, the join() method returns as soon as the thread
ends.  In addition to waiting for a thread to finish and gathering up
any values that the thread might have returned, join() also performs
any OS cleanup necessary for the thread.  That cleanup might be impor-
tant, especially for long-running programs that spawn lots of threads.
If you don't want the return values and don't want to wait for the
thread to finish, you should call the detach() method instead, as
described next.

[download]
Thanks!

In reply to Re^2: Is returning a list broken when using threads? by beable
in thread Is returning a list broken when using threads? by beable

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