包含几个用不同方式（共享内存、socket、FIFO、消息队列等）实现进程通信的小程序，包含详细注释，足以解释各种方式进程通信的实现原理和编程方法-Contains a number of different ways (shared memory, socket, FIFO, message queue, etc.) to achieve the process of the small communications program, including detailed notes, are