gistfile1.txt

class ReverseGeoThread < Thread; end
class ListingThread < Thread; end

def run
  cj = caller.join
  if cj =~ /reverse_geo/
    klass = ReverseGeoThread
  elsif cj =~ /listings/
    klass = ListingThread
  else
    klass = Thread
  end
  klass.new {
    # a bunch of stuff
  }
    
end

# old version
def run
  cj = caller.join
  if cj =~ /reverse_geo/
    klass = ReverseGeoThread
  elsif cj =~ /listings/
    klass = ListingThread
  end

  Thread.new {
    # a bunch of stuff
  }
end