Still in pursuit of trying to figure out what is going on with my
threads...

Have done the following:

      3 class Thread
      4   alias __old_initialize initialize
      5
      6   def initialize(*args, &block)
      7     __old_initialize(*args, &block)
      8     STDERR.puts "created thread: #{inspect}"
      9     STDERR.puts block.to_s
     10   end
     11 end

This is above any require 'blah' statements so, this should ensure that
any threads created use my hacked version, right?

Maybe I *really* don't understand what's happening here (highly likely),
but my assumption is that I should have an equal number of threads going
through my code as appear in the Thread.list.  However, based on my
current numbers, I have 13 calls to my initialize (one of these is from
drb, so it must be doing what I think).  However, the Thread list
contains 33 entries (32 sleeping & 1 running).

I've tried various instrumentation stuff, including things like:

#set_trace_func proc { |event, file, line, id, binding, classname|
#  if classname.to_s =~ /read/
#    printf("%-10s %10s:%-2d %10s %8s\n", event, file, line, id, classname)
#    STDOUT.flush
#  end
#}

But, I really can't figure out what is happening.  From what my code is
doing, I would expect there to be 13 threads created (counting the main
thread).  This perfectly matches up with the number of calls to my
hacked Thread class.  Anyone have any ideas?

Also, I've looked at this from a number of different angles, but it
appears to be no way to create a normal thread pool with Ruby.  Is this
really correct?  I found something about this on www.rubygarden.org, but
this isn't exactly what I want (but it is similar in spirit).  From
experimentation, it seems that you get one shot for Thread.new.  This
seems a bit expensive, but maybe that's just the way it is.

Thanks in advance,

ast

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