示例代碼:
require "thread"
puts "ProAndCon"
queue = Queue.new #用隊列Queue實現線程同步
producer = Thread.new do
10.times do |i|
sleep rand(i) # 讓線程睡眠一段時間
queue << i
puts "#{i} produced"
end
end
consumer = Thread.new do
10.times do |i|
value = queue.pop
sleep rand(i/2)
puts "consumed #{value}"
end
end
consumer.join #等待consumer線程的輸出完成再關閉此進程
運行結果:
ProAndCon
produced
produced
consumed 0
produced
produced
consumed 1
consumed 2
consumed 3
produced
consumed 4
produced
consumed 5
美化的代碼圖: