Simple Fork Example

simple_fork.rb

# Parent process
puts "Hello from parent: #$$"

3.times do
  fork do
    # child process logic here
    trap('INT') do
      puts "Exiting from child: #$$"
      exit
    end
    loop { puts "Hello from child: #$$"; sleep 3 }
    # end child process logic
  end
end

# Parent process logic continues
trap('INT') do
  puts "Exiting from parent: #$$"
  exit
end

Process.waitall