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Use pipelines for programming in Linux Http://www.lupaworld.com/tutorial-view-aid-10366.html   Introduction In this article, we will learn about the GNU/Linux pipeline. Although the pipeline model is very old, it is still a very useful inter-process

A simple UDP proxy Program As a supplement to 1. Why is this UDP program developed?The network condition is shown in the preceding figure . Our socks proxy has permissions (I believe many companies). When I write this program, I do not have the

Client: dl_client.c# Include "unp. H" Int main (INT argc, char * argv []){Char recvbuff [50], buff [50], * P;Int sockfd, Len, RET, test;Struct sockaddr_in serveraddr;File * FP;If (argc! = 3 ){Printf ("input:./client /N ");Return 0;}If (sockfd =

Ask a question in bindshell. C! Please advise! Thank you! After running the bindshell program, use another computer to access the listening port of the program. after entering the program, we can find that the positions of the output strings are

As a TCP Service Program At the same time, there may be a large number of clients connected, and we hope to remember each socket separately Who has the data to read and put it in a request queue -- these tasks are completed by one thread and

Reprinted: http://www.ibm.com/developerworks/cn/linux/l-pipebid/ Linux provides popen and pclose functions (1) for creating and disabling pipelines to communicate with another process. The interface is as follows: FILE *popen(const char

There are two types of network server models in Linux: Concurrent Server and cyclic server. A concurrent server can process requests from multiple clients at the same time. A cyclic server can respond to requests from a client at the same time. For

Preface:most of the answers below is written by myself---only instructors is given access to the exercise solutions. If you find anything wrong, please let me know so that I can correct them, thank you!1. Can UNIX fork return an error? Why

# Include "common. h" # Include "CIniFile. h"# Include "CRecordCfg. h"# Include "CFileFactory. h"# Include "CCtrlThread. h"# Include "CThread. h"# Include "CDeleteThread. h"# Include "CSendFileinfoThread. h"# Include "CConfigExt. h"# Include "CUtil.

1. fork Call fork to terminate the parent process. If a process is started from the foreground using shell commands, when the parent process is terminated, shell considers that the command has been executed completely. This automatically enables

Author: wildwolf Source: CCID technical community (1) understand the process structure in Linux The next process in Linux has three parts of data in the memory: "data segment", "Stack segment", and "code segment". In fact, people who have learned

1. Understand the process structure in Linux The next process in Linux has three parts of data in the memory: "data segment", "Stack segment", and "code segment". In fact, people who have learned assembly languages must know that, generally, the CPU

Linux multi-process learning and Linux Process Learning1Linux Process Overview a process is a process executed once by a program. It is essentially different from a program. The program is static. It is a set of commands stored on disks in sequence.

1 IntroductionFor those who have never been familiar with Unix/Linux operating systems, fork is one of the most difficult concepts to understand: it executes once but returns two values. The fork function is one of the most outstanding achievements

(1) exec Function Description The fork function is used to create a child process, which is almost a copy of the parent process. Sometimes we want the child process to execute another program, the exec function family provides a method to start

I have studied software engineering. software Engineering is a required course for every programmer. if you have never studied, we suggest you take a look. in this chapter, we will learn the idea of network programming from the perspective of

Writing application instances does not belong to the Linux operating system transplantation. However, to ensure the integrity of this series of articles, we provide a series of instances for developing applications for Embedded Linux. The following

As we mentioned in the previous article, when a new process is started, the new process will copy most of the context of the parent process and then runCodeIf the new process does not run the code of the original parent processProgramCentralized

There are two types of network server models in Linux: Concurrent Server and cyclic server. A concurrent server can process requests from multiple clients at the same time. A cyclic server can respond to requests from a client at the same time. For

To do a simple back-firing server:The client reads a line of text from the standard input, writes it to the server, reads the text from the network input, and returns it to the customer, and the customer reads the text back from the network input