ECE472/572 (UCLX) More Course Notes

Examples are added as course progresses. Examples might be improved or expanded after the lecture to reflect outcomes of in class discussion. Actual examples discussed in class may be slightly different. If you have problems with printing of some programs due to long lines switch to landscape page orientation.

• Chapter 3 - Process communication
  • Accessing environment variables in standard C library
  • Start a new process and wait in standard C library
  • Start a new process in Posix
  • Start a new process in Windows
  • Named Shared memory demo in Posix
  • Named Shared memory server in Posix   Named Shared memory client in Posix   client version 2  
  • Named Shared memory server in Windows   Named Shared memory client in Windows  
  • E.g.: ls -al | sort | more or ls -al | sort > out.txt
  • Unnamed Pipes in Posix
  • Named Pipes in Posix - sender   Named Pipes in Posix - receiver  
  • STDIO Pipes in Windows - parent
  • STDIO Pipes in Windows - child
  • The handling control queue signals in standard C library
  • The handling control queue signals in Posix
  • The idea of Unix shell program
• Chapter 4 - Threads
  • Threads in Posix
  • Threads in Windows
  • Threads in Windows - wait for all
  • Threads in Windows - many identical
• Chapter 3 Revisited - TCP Sockets, Makefile introduced
  • The idea of a TCP/IP server
  • The idea of a TCP/IP client
  • The idea of a UDP/IP server
  • The idea of a UDP/IP client
  • The socket operations of examples above implemented as a simple library
    • tnplib.h
    • tnplib.cpp
  • Web server 1.cpp
  • Web server 2.cpp
  • Web server 3.cpp
  • Makefile
  • Also covered in the lab
    • AR file format
    • TAR file format
• Chapter 5 - Scheduling
  • Scheduling threads in Posix
• Chapters 6, 7, 8 - Synchronization and Deadlocks
  • Thread synchronization in Posix
  • Thread synchronization in Posix with trying to lock
  • Thread deadlock in Posix
  • Thread synchronization in Windows
  • Thread synchronization in Windows with trying to lock
  • Thread deadlock in Windows
  • Threads and Synchronization in C++ 2011
  • Threads and Synchronization in C++ 2011 with try_lock
• Chapter 8 - Main memory
  • Researching Memory Segments
• Basic shell programming as seen in scripts used in homework or in our labs
  • Shell to start http-counter service for Lab 8
  • Shell to show the concept of a loop for Lab 10B
  • Shell to initialize a WiFi card from console (used on BeagleBoard)
  • Shell to initialize a WiFi card automatically (used on BeagleBoard)
• Chapter 12 - IO System Interface
  • Serial port in Windows
  • Serial port in Posix (to port)
  • Serial port in Posix (from port)
  • Joystick in Windows (not a file IO though)
  • Joystick in Posix (definitely file IO)
  • Real Time Clock in Posix (shows use of both ioct and read)
  • WebCam/Video in Posix using Video4Linux
    • a cleaned up example with conversion to RGB
    • reference design
    • IOCTL header file
    • Video4Linux v.2 specification (outside)
  • Sound using ALSA2 interface
  • An example of a simple device driver
    • module.h
    • module.c
    • Make
    • program.c
• Chapter 13 - File System Interface
  • read directory (gclib only)
  • copy binary file
  • read entire file to memory
  • Copy all lines from one file to another (fgets, fprintf, and fputs)
  • The idea of a configuration file
  • The idea of a log file
  • clearerr(file)
  • rewind(file) == fseek(file, 0L, SEEK_SET); clearerr(file);
  • fflush - test 1 (but always auto-flushes on Windows7)
  • fflush - test 2 (but never flushes on Windows7)
  • fgetc(file), ungetc(c,file), fputc(c,file)
  • remove
  • rename
  • See low-level file access in I/O device access examples - OS specific
• Chapter 14 - File System Descriptions (Wikipedia Articles)
  • Partition tables, low-level format
    • Partition tables
    • GUID Partition Table (new standard)
    • MBR and MBR Partition Table (old standard)
  • File systems
    • Disk formatting
    • FAT - FAT12, FAT16, FAT32
    • NTFS (Windows)
    • exFAT (Windows, portable drives)
    • ext2 (*nix)
    • ext2 (*nix)
    • ext3 (*nix)
    • ext4 (*nix)
    • ISO9660 (CD)
    • UDF (CD)
    • JFFS2 (flash memory)
    • ZFS (Solaris)
  • Boot process
    • Booting
    • Linux Start up Process
    • GRUB
    • LILO
    • NTLDR
    • Windows Vista (and later) Start up Process
  • Executable file formats
    • ELF
    • EXE
    • EXE-DOS-MZ
    • EXE-PE
• Chapter 15 - Security
  • The anatomy of buffer overrun
  • A program that features buffer overrun
  • Read about SQL injection