ruby fork background

fork combine daemon

a = 12

fork do
    Process.daemon(true,true)
    sleep 10
    puts Process.ppid
    puts a
    puts "lalalala"
end

fork do
    Process.daemon(true,true)
    sleep 5
    puts "gagagaga"
end

puts Process.pid
puts "quit"

require 'spawnling'

a = 12

Spawnling.new do
    # Process.daemon(true,true)
    sleep 10
    puts Process.ppid
    puts a
    puts "lalalala"
end

Spawnling.new do
    # Process.daemon(true,true)
    sleep 5
    puts "gagagaga"
end

puts Process.pid
puts "quit"

a = 12

job1 = fork do 
    # Process.daemon(true,true)
    sleep 10
    puts Process.ppid
    puts a
    puts "lalalala"
end

job2 = fork do
    # Process.daemon(true,true)
    sleep 5
    puts "gagagaga"
end

Process.detach(job1)
Process.detach(job2)
puts Process.pid
puts "quit"