CS 3733 Operating Systems

• What is a thread?

• Per thread resources:
  • Program counter
  • Stack
  • Register set
  • State
  • Signal mask

• Per process resources:
  • Address space
  • Global variables
  • Open files
  • Child processes
  • Timers
  • Signals
  • Signal handlers
  • Accounting information

• Thread models:
  • User-level
  • Kernel-level
  • Hybrid

• Posix threads:
  • pthread_create
  • pthread_exit
  • pthread_kill
  • pthread_join
  • pthread_self

• Thread attributes