Re: [理工][OS] 交大96-資工所
想請問一下2.1題
2.2題
※ 引述《christianSK (AG)》之銘言:
※ 引述《dy957 (dy957)》之銘言:
: http://www.lib.nctu.edu.tw/n_exam/exam96/cslz/cslz1005.pdf
: 之前有爬過文了..可是有些不是很確定@@
: 想問大家這份的選擇題...
: 2.1 答案給B 可是我覺得應該不會有race condition吧... 我選D
我一開始也跟你有一樣的想法
不過 如果依照P0, P1, P2 的順序進入CS 或是以 P0, P2, P1是可能有不同結果的吧 :)
-----------------------------------------------------------------------------
應該不能因為process執行順序不同結果不同就算race condition
因為他沒有說P0 P1 P2誰要先 誰要後 結果本來就會不同
這個code並不會使兩個process同時進c.s. 所以不會有race condition吧?
2.2題 選項D
爬文有人說 沒有shared variables 所以不會有race condition問題
不過系統中共享的不只變數吧 有很多資源也都是共享的? I/O resources等
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 111.251.225.250
推
01/23 22:00,
01/23 22:00
推
01/23 22:00,
01/23 22:00
→
01/23 22:00,
01/23 22:00
→
01/23 22:00,
01/23 22:00
→
01/23 22:01,
01/23 22:01
→
01/23 22:02,
01/23 22:02
※ 編輯: christianSK 來自: 111.251.225.250 (01/23 22:08)
推
01/23 22:06,
01/23 22:06
→
01/23 22:06,
01/23 22:06
推
01/23 22:08,
01/23 22:08
→
01/23 22:25,
01/23 22:25
→
01/23 22:27,
01/23 22:27
→
01/23 22:29,
01/23 22:29
→
01/23 23:14,
01/23 23:14
→
01/23 23:14,
01/23 23:14
推
01/23 23:18,
01/23 23:18
→
01/23 23:19,
01/23 23:19
→
01/23 23:19,
01/23 23:19
→
01/23 23:21,
01/23 23:21
→
01/23 23:25,
01/23 23:25
→
01/23 23:26,
01/23 23:26
→
01/23 23:27,
01/23 23:27
→
01/23 23:28,
01/23 23:28
→
01/23 23:29,
01/23 23:29
→
01/23 23:30,
01/23 23:30
→
01/23 23:32,
01/23 23:32
→
01/23 23:32,
01/23 23:32
→
01/23 23:33,
01/23 23:33
→
01/23 23:38,
01/23 23:38
→
01/23 23:39,
01/23 23:39
→
01/23 23:51,
01/23 23:51
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.115.130.79
※ 編輯: B0038412 來自: 140.115.130.79 (01/26 13:24)
推
01/26 16:29, , 1F
01/26 16:29, 1F
→
01/26 16:54, , 2F
01/26 16:54, 2F
→
01/26 16:54, , 3F
01/26 16:54, 3F
→
01/26 17:14, , 4F
01/26 17:14, 4F
→
01/26 17:14, , 5F
01/26 17:14, 5F
→
01/26 17:15, , 6F
01/26 17:15, 6F
→
01/26 17:16, , 7F
01/26 17:16, 7F
→
01/26 19:50, , 8F
01/26 19:50, 8F
→
01/26 19:50, , 9F
01/26 19:50, 9F
→
01/26 19:51, , 10F
01/26 19:51, 10F
→
01/26 19:52, , 11F
01/26 19:52, 11F
→
01/26 19:53, , 12F
01/26 19:53, 12F
推
01/26 19:56, , 13F
01/26 19:56, 13F
推
01/27 02:05, , 14F
01/27 02:05, 14F
→
01/27 02:05, , 15F
01/27 02:05, 15F
→
01/27 12:53, , 16F
01/27 12:53, 16F
推
01/27 14:27, , 17F
01/27 14:27, 17F
→
01/27 21:53, , 18F
01/27 21:53, 18F
→
09/11 14:10, , 19F
09/11 14:10, 19F
討論串 (同標題文章)
本文引述了以下文章的的內容:
完整討論串 (本文為第 3 之 5 篇):