HUST-OS-Experiment

Hust operating system experiment in 2018 Spring.

Update: add summer assignment in this repo.

Enviorment

gcc version 5.4.0 20160609 

(Ubuntu 5.4.0-6ubuntu1~16.04.9 in Windows Subsystem Linux)

Thread model: posix

File

• lab directory

  Codes of each labs which are all independent of others, executable files of those codes and some test files

• .vscode

  Configuration of running linux c codes on vscode-windows

Detail

• lab1:

  Use pipe to transfer data between two prosess.

• lab2:

  Use semaphore to synchronize threads' behavior.

• lab3:

  Use shared memory and semaphore to let two processes copy data in order.

• labextra:

  Simulate linux basic function 'ls'. Extended arguments implmented:

  • Specified path
  • -l
  • -lR

• lab_tinyOS

  TinyOS labs have several parts.

  Count: count 0 to 7, and print info through serial port.

  Loop, Task, Split Task: big calculation task situation simulation

  SensorDemo: get sensors' data and send them for output.

• CharDriver

  Add new char device to linux and write it's own driver

• ParallelWindows

  Three windows showing different info and update at the same time

• Syscall

  Compile a new linux kernel. (only new system call code in this directory)

• Monitor

  System process manager that can kill process and monitor up-to-date process info including cpu and memory usage.

• FileSystem

  Simulate a linux file system based on disk blocks

• doc.pdf

  Document of this experiment.