done-method or similar for iThreads ?

Hi,

I need some help about a done-method wordaround with ithreads.
Currently i am implementing a script which starts some ithreads parallel until a
maximum count is reached.
Then, when one of these threads are done, start the next thread.
But what is the best way to do this ?

perldoc.org:
The done  method returns true if the thread you're checking has finished, and
false otherwise. (Not available with ithreads.)

With normal threads i would do it like this:
foreach $thread (Thread->list) {
        while(1){#wait for a thread to be finished
                foreach $thread (Thread->list) {
                        $bool = $thread->done; #thread is done?
                        last if ($bool);# if $bool true exit foreach
                }
                last if ($bool);# if $bool true exit while
        }
        $thread->join();# join this Workerthread
}

Are there some resources or workarounds i can work with ?

Many many thanks in advance :)

- Clemens



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