Operating System

(0) Kernel Threads

•Supported by the Kernel

–Kernel maintains context information for the process and the threads
–Scheduling is done on a thread basis
–Slower to create and manage
–If a thread performs a blocking system call, the kernel can schedule another thread in the application for execution
–Can take advantage of a multi-processor environment
•Examples
–Windows 95/98/NT/2000
–Solaris
–Tru64 UNIX
–BeOS–Linux