POSIX message queues provide a mechanism for interprocess communication in Linux. POSIX message queue API functions are explained with example programs. https://www.softprayog.in/programming/interprocess-communication-using-posix-message-queues-in-linux
0:00 Introduction
0:54 System V message queues
1:46 POSIX message queues
2:28 Naming of POSIZ message queues
3:00 mq_open
5:30 mq_send
6:09 mq_timedsend
6:43 mq_receive
7:44 mq_timedreceive
8:13 Example program