Multi-producer-multi-consumer-ring buffer problem

1.

 

 

 

 

 

 

 

 

2.

 

A postgraduate test 2333 of my mine in 2007:

 

 

 

 

 

 

 

3.

 

12 years 2333->

 

 

 

 

 

 

 

 

 

4. The code introduced in the book, 2333, is as follows:

 

 

 

 

 

 

To be perfected 2333!