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Platform Information:Kernel: linux3.1.0System: android5.0Platform: tiny4412Zhung Zebin (Welcome reprint, please specify the author)Description: Teacher Wei's android video learning notesFirst, in the Android input subsystem how to listen to file

The previous blog has introduced a way of inter-process communication, but it is only the needle for the process of blood relationship , that is, the communication between the father and son process, that for no blood relationship process, how to

Here we mainly describe the status of the process, the status of the process can be viewed through/proc/pid/status, or can be viewed through the/proc/pid/stat. If you talk about tools, you can see the process information. Here we go through the/proc/

#include #include#include#include#include#include#includestring.h>#include#include/*int Shm_open (const char *name, int oflag, mode_t mode);//Create or open a shared memory, successfully return a file descriptor for an integer, error return-1. Name:

The earliest IPC form on UNIX systems is pipeline, and pipeline creation uses the pipe function: #include int pipe (int pipefd[2]); The function creates a one-way pipeline that returns two descriptors pipefd[0], and

Gethostbyname.c1#include 2#include 3#include 4#include 5#include 6#include 7 8 intMainintargcChar*argv[])9 {Ten inti; One structhostent*host; A if(ARGC! =2) - { -printf"Usage:%s \n", argv[0]); theExit1); - } - -Host =

Recently, when helping colleagues solve the swoole server problem, it was found that 1 worker processes have been in the R state and the CPU time is very high. The initial assertion is that there is a dead loop in the PHP code.Here's a piece of code

Formatted read/write: # Include Int printf (const char * format,...); // equivalent to fprintf (stdout, format ,...); Int scanf (const char * format ,...); Int fprintf (FILE * stream, const char * format,...); // The intermediate parameter is the

Http://www.cnblogs.com/killbit/p/5393301.html attached this article, because at that time had thought of the analog upload, but because of the time relationship, so it was written directly in PHP. Now improve, with the Vc+libcurl library.We can also

Ping source code-general Linux technology-Linux programming and kernel information. The following is a detailed description. /* PING. C /* /* Ping source code distribute by cpu | digger. /* For unix family only. compil and link success in sco unix. /

GDB is a powerful UNIX program debugging tool released by the GNU open-source organization. If you are working on a UNIX platform, you will find that the GDB debugging tool has more powerful functions than the visual debugger of VC and BCB. At the

This week, I studied Monensin's "Linux kernel Analysis," and, according to the course requirements, experimented with the following:First, using GDB to track a system call, we chose the code written by the experiment last week, modify the two code

The main is how to use the return structure of two functions. In the GetHostByName function, the return Hostent,linux reference manual is described below:struct hostent { char *h_name; /* official name of host */ char **h_aliases;

Environment construction1. Download the decompression unpv13e.tar.gz2. Go to directory execution./configurecd Lib //Enter the Lib directoryMake //Execute Make command3. Copy the generated libunp.a static library to/usr/lib/and/usr/lib64/CD..

Use GDB to Debug PHP code to solve the endless PHP code loop problem, gdbphp. Debug the PHP code using GDB to solve the endless PHP code loop problem. when gdbphp recently helped a colleague solve the SwooleServer problem, it found that one worker

In Linux, how does one use shell scripts to capture remote logs? There is a dilemma in analyzing online logs. There are too many machines. It is unrealistic to log on to each server, but it is more troublesome to download the logs because each SCP

Title: simple manual for use of regular expressions in MacOSX Author glider at 14:49:18, 2003.8.25 A Concise Manual that should be written by the author. All programs are compiled and approved. If there is any negligence, I still forget to correct

Author: gnuhpcSource: http://www.cnblogs.com/gnuhpc/ /** =================================================== ========================================================== =========** Filename: videocapture. CPP ** Description: a program of capture the

For many new users who are learning advanced programming in the Unix environment (apue), the first problem may be the source code compilation in this book.. Almost every routine in this book will have such a line of source code:# Include "ourhdr.

Domain Name Service (DNS)If you do not know what DNS means, I will tell you that it represents the Domain Name Service ). Its main function is: You give it a website address that is easy to remember, it gives you an IP address (then you can use bind