多个进程每秒钟向共享内存中写入数据，一个进程从共享内存中读数据-Multiple processes per second write data to shared memory, a process that reads the data the shared memory

多个进程每秒钟向共享内存中写入数据，一个进程从共享内存中读数据-Multiple processes per second write data to shared memory, a process that reads the data the shared memory