posix group

POSIX specification for Linux/unix tools and regular expressionsA reader who has a basic understanding of regular expressions must not be unfamiliar with expressions such as "\d", "[a-z]+"), which match a numeric character, which matches more than

First, prefaceClock is the basis of a timer, and any timer needs to work on a given clock. The kernel maintains a number of clock, the second chapter of this article describes the basic concept of clock and some statically defined POSIX clock.

IPC (inter-process communication, interprocess communication) can have three ways of sharing information (along with the file system, with the kernel, with shared memory). (Of course, although it is interprocess communication, it can also be

System V and POSIX When we conduct inter-process communication in Linux, such as semaphores, message queues, and shared memory, we will find two types: System V and POSIX. Let's briefly introduce them today. POSIX: POSIX (Portable Operating System

Introduction: Whether it is mingw or Cygwin, including the recent rise of MSYS2, there are all kinds of strange, a word, is inseparable from windows, but also to POSIX heart itch difficult to scratch. Gentoo prefix allows you to practice POSIX

POSIX Threading (i): Threading model, Pthread series functions, and simple multithreaded server-side programsOne, the thread has 3 kinds of models, namely N:1 user threading model, 1:1 core threading model and N:M hybrid threading model, POSIX

Linux inter-process communication (IPC) programming practices (8) use of shared memory-POSIX shared memory (API) 1. Posix provides two methods to share memory areas between unrelated processes: (1) memory ing file: open the function first, and then

　Huaqing Vision LecturerWhen we communicate between processes in a Linux system, we find that for example, shared memory, semaphores, Message Queuing, and so on, there are two types of System V and Poxis. So let's explore what the System V and Poxis

Description Shared memory is the fastest available IPC format. It allows multiple unrelated (unrelated) processes to access the same part of the Logical Memory. To transmit data between two processes, shared memory is an extremely efficient solution.

This article follows the CPL Protocol and is free to use, but the author's information cannot be removed.Author: ABLOHome: http://blog.csdn.net/ablo_zhouEmail: ablozhou at gmail.comDate: Many people have heard about the POSIX standard, but it is