94.574 Elements of Computer Systems

SCE 574

187

Threads

äHas an execution state (running, ready, etc.)

äSaves thread context when not running

äHas an execution stack and some per-thread static storage for local variables

äHas access to the memory address space and resources of its process

äall threads of a process share this

äwhen one thread alters a (non-private) memory item, all other threads (of the process) sees that

äa file open with one thread, is available to others