[理工] 作業系統 Threads

[mozzan (mozzan)]

In the following, we have five properties.
1. efficiency in context switching
2. efficiency in information hiding
3. efficiency in thread creation
4. efficiency in message-passing
5. convenience in memory sharing

Which ones are not the advantage of user threads over kernel threads.

A. 2,4,5
B. 1,2,5
C. 1,3
D. 2,4
E. 3,4,5

請問答案是 A嗎??

不太懂這邊information hiding的意思

感謝

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→ mozzan:忘了說  96台大電機
推 FRAXIS:個人覺得應該是C
→ mozzan:不對，應該不是A， memory sharing 應該user thread比較方
→ mozzan:便才對
推 FRAXIS:Memory sharing的差別在哪？ address space都一樣啊
推 A4P8T6X9:A or D ，個人傾向 A。