The Great Symbian

Anything under the sun goes here!

MANY-TO-ONE MODEL

• Many user-level threads mapped to single kernel thread.

• Used on systems that do not support kernel threads.




ONE-TO-ONE MODEL

• Each user-level thread maps to kernel thread.
• Creating a user thread requires creating the corresponding kernel thread.

• Windows NT/2000, OS/2




MANY-TO-MANY MODEL

• Allows many user level threads to be mapped to many kernel threads.

• Allows the operating system to create a sufficient number of kernel threads.

• Solaris 2 , IRIS, HP-UX










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