lab4 Process
  • Introduction
  • Knowing about process
    • Checking System Process
    • Process Identification
  • Let's Fork! Process Creation
    • Background of Process Creation
    • fork system call
    • Distinguish Parent and Child Process
    • Exercises
  • Process Execution
    • First exec example
    • Environment Variables
    • exec Family
    • exec Family: execlp
    • exec Family: execle
    • exec Family: execv
    • exec Family: execvp
    • exec Family: execve
    • exec error handling
  • Wait!
    • Problem 1: Without Wait?
    • Sleep
    • Problem 2: Zombies!
    • Wait System Call
    • waitpid
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  1. Let's Fork! Process Creation

Background of Process Creation

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Last updated 5 years ago

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We can create a process in a program by a system call fork.

After calling fork, the original process splits into two, the original one, and the new created one.