simple fork

  Fork introduction:Fork stands for the meaning of "branching and branching". In the operating system, fork is a famous Unix (or Unix-like, such as Linux or minix) to create a sub-process. [Note1]What is the role of Fork? In other words, what is the

Fork introduction:Fork stands for the meaning of "branching and branching". In the operating system, fork is a famous Unix (or Unix-like, such as Linux or minix) to create a sub-process. [Note1]What is the role of Fork? In other words, what is the

0 Preface Last week, I was reading the eighth chapter of advanced programming in the Unix environment-process control. In this chapter, I understand the principles of some processes in UNIX. Next I will mainly explain the three most important

Fork is one of the most difficult concepts to understand: it executes once but returns two values.First, let's look at the prototype of the fork function:# include # include pid_t fork (void);return value:Negative number: If there is an error, fork (

Recently, I took a closer look at the memcached instruction documents and looked at the source code. Sometimes I can skip some obscure C functions. However, it is not a success. Finally, LZ dared to read it again.C LanguageFinally, LZ saw the C

What if we wanted to call 1 shell scripts or execute 1 Bash shell commands when we were writing 1 C programs? In fact, the header file contains 1 function system () that calls the shell command or script, and it is convenient to simply pass the

First, fork basic knowledgeA process, including code, data, and resources assigned to the process. The fork () function creates a process that is almost identical to the original process through a system call, that is, two processes can do exactly

Fork Fork Camera okay? The fork FORK is still a texturing camera, but FORK focuses on parody and more fun comic elements to unearth the user's infinite creativity. I must say, "You city people are really good at playing." Similar to the

IBM developer articles are good, there is no saying that the use of GDB multi-process debugging Tian Qiang (tianq@cn.ibm.com ),Software Engineer, IBM China Software Development CenterIntroduction:GDB is a common debugging tool in Linux. This article

First, the problem introducedDuring work, a system designer throws the following question, the following code, outputs several "-"? ：/****************************************************************************** Copyright by Thomas Hu, all rights