logger_deadlock_example.rb

#!/usr/bin/env ruby

require 'logger'

logger = Logger.new("/dev/null")

logger_thread = Thread.new do
  loop do
    logger.debug("hey" * 80)
    sleep 0.01
  end
end

loop do
  logger.debug("about to fork")
  Process.fork do
    puts "child #{$$}"
    logger.debug("forked")
  end
  Process.wait
end