Programmer Think

Mutually exclusive semaphore 1. Priority reversal Priority reversal is a common problem when using binary semaphores. It is very common in the deprivable kernel, but it is not allowed in the real-time system, because it will destroy the expected sequence of tasks and may lead to serious consequences. An example of priority reversal is shown ...

preface For the concepts of process, multithreading and fork, please see the two articles I wrote before. Linux: process control (process creation, process termination, process waiting, process program replacement) Linux: detailed explanation of multithreading (thread concept, thread control - thread creation, thread termination, thread wa ...