From: "Ara.T.Howard" <Ara.T.Howard@...>
Date: 2004-10-29T13:53:59+09:00
Subject: Thread::list and GC


i have a program i'd like to exit gracefully on certain signals.  the code
spawns many threads which are never joined.  however, when signaled i want to
finished and pending threads before exiting - something like


   if $signaled
     Thread::list.each do |t|
       next if Thread::current == t
       begin
         t.join
       rescue => e
         warn{ e }
       end
     end
   end

i'm wondering:

   if i spawn threads and never join them - will Thread::list grow without
   bound?

   are there any issues with iterating Thread::list - since this list is
   obviously changing all the time in this code (new Threads started)

cheers.

-a
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