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作者 SILee 在 PTT [ LinuxDev ] 看板的留言(推文), 共20則
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1F推:do_fork()04/14 22:51
3F→:沒有辦法12/29 18:04
4F→:ARM預設就是放r0~r3這4個register12/29 18:05
5F→:除非參數超過4個才會放stack12/29 18:06
6F→:不然你就要從asm自己寫或去改compiler12/29 18:07
3F→:virtual memory11/22 01:00
1F推:thanks!! 明天來試試11/03 01:46
3F→:網路上找到的大都是3.x版 = =11/03 00:58
4F→:而且因為研究需要 要自己改一點GCC的source code11/03 01:04
2F→:我是在Linux上開發一些低階的系統程式 沒有OS的support05/01 21:38
3F→:所以也沒有malloc這類的指令可以用05/01 21:39
3F推:所有的OS都是程式執行完才會幫你把檔案存回去HD吧12/21 08:34
4F→:I/O的latency那麼長 如果邊執行邊寫入HD 程式會變很慢12/21 08:36
5F→:甚至有些OS就算是遇到fclose()也不會馬上幫你存回去12/21 08:38
6F→:而是放在buffer裡等到系統idle下來沒事幹才會真的去存檔12/21 08:38
7F→:不這麼做的話 隨便跑個小程式 可能就要花掉20分鐘在I/O上12/21 08:40
1F→:自問自答 我在kernel source code的Documentation裡11/03 01:25
2F→:有找到相關的文件了11/03 01:26
3F→:分別在Documentation/cdrom/cdrom-standard.tex和11/03 01:26
4F→:Documentation/ioctl/cdrom.txt11/03 01:27
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