CSCE 313 Lecture 19

« previous | Thursday, March 29, 2012 | next »

Review Material

• UNIX I/O and File Descriptors
  • File descriptors
  • dup2 and descriptor tables
• Interprocess Communication (Review IPC)
  • Message Queues
  • Shared memory
  • Semaphore sets
• Signals
  • Signals and handling
  • Signal Terminology
  • Waiting for signals with sigsuspend (why example on slides was not correct)
• Timers
• Memory
  • Memory layout
  • Name binding
  • Linkers & Loaders
  • Fixed Partitioning
  • Strategies
  • Contiguous allocation
  • Virtual Memory and lookups

Network Programming

Programming across machine boundaries (Ch. 22)

TCP/IP, Sockets, TCP, UDP,

Naming

single address space

addresses

across adress spaces

descriptors

filenames

keys (shared memory)

across machines

physical layer and link layer

IP addresses (where; network layer)

Port number (who; transport layer)

TCP/UDP (how; transport layer)

Protocol content (what; application layer)