4.3
Silberschatz, Galvin and Gagne ©2007
Operating System Concepts with Java – 7
th
Edition, Nov 15, 2006
Process/Thread
Resource ownership - process includes a virtual address
space to hold the process image
Scheduling/execution - follows an execution path that
may be interleaved with other processes
These two characteristics are treated independently by
the operating system
Process: Ownership of memory, files, other resources
资源分配的基本单元
Thread: Unit of execution we use to dispatch
指令执行的基本单元
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