Introduction - If you have any usage issues, please Google them yourself
4. Understanding and support Linux messaging mechanism, shared memory mechanism. . (1) the creation of news, send and receive : the use of system calls msgget (), msgsed (), and msgrev msgcrl (), the preparation of the sender and receiver (news length of the 1KB); (2) shared storage area creation, and attached disconnect : use of system calls shmget (), shmat (), shmcrl (), a preparation of the above functions with the same procedure.