Programmation systèmeInitiation Système (STI)

• Understanding the specific concepts of system programming in C

Courses

1. Introduction

• Operating system
• Background UNIX
• Processor execution mode
• Standard (Unix->POSIX->SUS)

2. Use of standard C library and POSIX API

• interact with the operating system
• System call
• Program delivery cycle
• Environmental access
• Error management
• use system calls
• Implementation of the library above system calls

3. Input-outputs

• General

• Handling of i-nodes

• Basic principles

• Descriptor

• Managing permissions

4. File system

• Example: ext2, FAT32

Process

• creation, termination, interruptions, scheduling

• Process management

• Attributes of processes

• Process life

• Rights management

TDs

• TD 1: System call, POSIX limits, environment and POSIX function
• TD 2: Is implementation, file type and protection
• TD 3: Implementation of a mini file system
• TD 4: implementation of cp in system calls, glibc, and nmmap. benchmarking of 3 versions
• TD 5: file locks
• TD 6: process creation, wait, waitpid
• TD 7: Zombi process, orphan
• TD 8: machine query: implementation of mini-shell and system commands

• Ongoing monitoring
• 2 TDs to render
• 1 written question
• 1 QCMs celene

• Rifflet, Jean-Marie; Yunes, Jean-Baptiste, "Unix: programming and communication", Dunod
• Pélissier, Christian, "UNIX: use, system administration and network", Hermès