gistfile1.rb

require 'thread'

class Crap
 def takes_time
  sleep 5
  puts "Hello!!!"
 end
end

QUEUE = Queue.new

Thread.new {
while work = QUEUE.pop
 work.run
end
}


puts "hello world! 1"
puts "hello world! 2"
puts "hello world! 3"
puts "hello world! 4"
puts "hello world! 5"
QUEUE << Crap.new.takes_time
puts "hello world! 6"
puts "hello world! 7"
puts "hello world! 8"
puts "hello world! 9"
puts "hello world! 10"