The classic producer Consumer problem code instance _ruby with threads in Ruby topics

Sample code:

Copy Code code as follows:

require "thread"
puts "Proandcon"
  
Queue = Qu eue.new    #用队列Queue实现线程同步  
  
producer = thread.new do
  &NB Sp 10.times do |i| 
        sleeping rand (i) # Let threads sleep for a period of time  
&NBSP;&NBSP ;      queue << i 
        puts #{i} Produced '
    end
'
  
consumer = thread.new do
     10.times do |i| 
        value = queue.pop 
         Sleep rand (I/2)  
        puts "consumed {value} '
    end
'
  
consumer.join  #等待consumer线程的输出完成再关闭此进程

Run Result:

Copy Code code as follows:

Proandcon
Produced
Produced
Consumed 0
Produced
Produced
Consumed 1
Consumed 2
Consumed 3
Produced
Consumed 4
Produced
Consumed 5

Landscaping Code Map: