Linux interprocess communication (IPC) -- message queue

Message queuing is a method of inter process communication. It has two operations: one is to send messages (that is, write data to memory), and the other is to get messages (that is, another process reads data in memory) Let's look at the of message queue Functions needed to create, write, read, etc Create: msgget ((key_t)key, int msgflg) &n ...

Posted on Sat, 20 Nov 2021 14:18:36 -0500 by tc1

Essays on UNP Volume II

I. overview   there are two branches of interprocess communication mentioned in this book, posix and system V. most linux systems today support these two branches. There are obvious differences between the interprocess communication interfaces provided by posix and system V, which are described in Chapter 2 and Chapter 3.   ther ...

Posted on Thu, 11 Nov 2021 21:13:54 -0500 by andycastle