Linux

During socket programming, the IP address and port number are specified but cannot be connected. This is caused by the Character Sequence of the network address and the local host address. Some operation functions are provided in Linux as follows:

In the company's design case, I heard from a friend that splint is just a small dish in front of the powerful PC-lint and can be conveniently run on Linux (PC-Lint can also be said, if you have time ), so I want to play games, Download splint-3.1.1.

Linux Kernel Memory Management Program The paging management method is used to process other parts of the kernel using the page Directory and page table structure. Code Memory application and release operations. memory Management is based on memory

Http://article.pchome.net/content-323089.html 1. Here is what I see online: Sometimes we need to calculateProgramExecution time. For exampleAlgorithmTime Analysis ... You can use the following function at this time. # Include Int gettimeofday

Next, let's take a look at the thread exit function and wait function. # Include Void pthread_exit (void * value_ptr ); Value_ptr: the return value of the thread. Pthread_join () is detected. Function: the thread exits. # Include Int pthread_join (

This article was originally translated from instructor song Baohua's article, which was incorporated into a small system. If there is no suitable article in this series, it will be replaced with original articles.     ++ ++ ++   Linux provides a

Linux-2.6.34 source code 1. Start the kernel and call the start_kernel function for initialization.Asmlinkage void _ init start_kernel (void) // init \ main. C: 528 { Buffer_init (); Key_init (); Security_init (); Vfs_caches_init (totalram_pages); /

In Linux, GCC is usually used. Here we will give a clear introduction to how to generate executable programs using the GCC compiler for your reference:   1. GCC Quick Start The general format of GCC commands is: GCC [Option] file to be compiled

25 [label: Linux, linked list function] When learning the kernel linked list, some people who want to know the following functions can answer the following questions about the functions and struct functions: struct list_head * PTR, what is this

Author: Wuhan huayin embedded training center technology department We will share with you the following two multi-thread programming methods for Qt on Linux: 1. Use the thread functions on the Linux platform. The following is the code snippet: //

When looking at Linux Code, many of the drive's init functions contain macros similar to core_initcall and subsys_initcall. At first, they may not understand what these macros are used, later, I may guess it was called during kernel initialization,

  Http://www.2cto.com/ OS /201109/102812.html 1. Introduction to SEDSed is an online editor that processes a row of content at a time. During processing, the currently processed rows are stored in the temporary buffer, called the pattern space. Then,

At present, the problem of encoding conversion is often encountered in the environment, UTF-8 and gb2312 also have problems. You have to install the gb2312 character set on Linux (zh_cn.gb2312 in Linux). For details, see the following. Several i18n (

1. Parent process behavior: Copy, waitThere are many ways to execute an application. It is common to execute an application from a shell. Interactive Shell is a process (all processes are obtained by the INIT process fork whose PID is 1. This topic

Interaction between Bootloader and Kernel The interaction between Bootloader and the kernel is one-way. bootloader transmits various parameters to the kernel. Because they cannot run at the same time, there is only one way to pass: bootloader places

  What is a soft interrupt mechanism? The Soft Interrupt mechanism in Linux is used in the lower half of the system with the strictest time requirements and the most important interruptions. In the system design process, we all know that the

[*] Tickless System (Dynamic ticks) --->Non-fixed-frequency systems. This technology enables New Kernels to run more efficiently and reduce power consumption. [*] High Resolution timer supportNot selectedSupports high-frequency time generators. If

(1) NFS configuration:First, execute setup in shell. After the menu interface is displayed, select system services, press enter to enter the system service option menu, select [*] NFS in it, and then exit.(2) Vim/etc/exportsNFS server configuration,

On the Linux platform, you can write a Cron script to implement the task scheduling function. Execute tasks at a certain frequencyBy default, the crond process is started in Linux. The crond process does not need to be started or closed. The crond

It took me a few hours yesterday and finally made the root file system ~ (1): first, the development environment required for the creation of the Linux root file system. 1: porting linux kernel version: linux-3.0.1 (as long as it can be used) 2: