![9/19§§Ö§Ü§è?§ñ 11
§¡§ã§Ú§ß§ç§â§à§ß§ß§Ö §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-
§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ
? §³§ä§Ñ§ß§Õ§Ñ§â§ä POSIX §á§Ö§â§Ö§Õ§Ò§Ñ§é§Ñ? §ä§Ñ§Ü? §Ó§Ú§Ü§Ý§Ú§Ü§Ú §Õ§Ý§ñ §Ñ§ã§Ú§ß§ç§â§à§ß§ß§à§Ô§à
§Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ:
? aio_read() ¨C §Ù§é§Ú§ä§å§Ó§Ñ§ß§ß§ñ
? aio_write() ¨C §Ù§Ñ§á§Ú§ã§å§Ó§Ñ§ß§ß§ñ
? aio_suspend() ¨C §à§é?§Ü§å§Ó§Ñ§ß§ß§ñ
? aio_cancel() ¨C §á§Ö§â§Ö§â§Ú§Ó§Ñ§ß§ß§ñ
? aio_return() ¨C §à§ä§â§Ú§Þ§Ñ§ß§ß§ñ §â§Ö§Ù§å§Ý§î§ä§Ñ§ä§å
? aio_error() ¨C §à§ä§â§Ú§Þ§Ñ§ß§ß§ñ §ã§ä§Ñ§ä§å§ã§å §à§á§Ö§â§Ñ§è??
? §µ§ã? §Ó§Ú§Ü§Ý§Ú§Ü§Ú, §Ü§â?§Þ aio_suspend(), §á§â§Ú§Û§Þ§Ñ§ð§ä§î §á§Ñ§â§Ñ§Þ§Ö§ä§â§à§Þ
§á§à§Ü§Ñ§Ø§é§Ú§Ü §ß§Ñ §ã§ä§â§å§Ü§ä§å§â§å aiocb §Ù §á§à§Ý§ñ§Þ§Ú:
? aio_fildes ¨C §Õ§Ö§ã§Ü§â§Ú§á§ä§à§â §æ§Ñ§Û§Ý§å, §Õ§Ý§ñ §ñ§Ü§à§Ô§à §Ù§Õ?§Û§ã§ß§ð§ð§ä§î §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-
§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ
? aio_buf ¨C §á§à§Ü§Ñ§Ø§é§Ú§Ü §ß§Ñ §Ò§å§æ§Ö§â, §å §ñ§Ü§Ú§Û §Ù§é§Ú§ä§Ñ? §Õ§Ñ§ß? aio_read() ? §Ù
§ñ§Ü§à§Ô§à §Ù§Ñ§á§Ú§ê§Ö §Õ§Ñ§ß? aio_write()
? aio_nbytes() ¨C §â§à§Ù§Þ?§â §Ò§å§æ§Ö§â§Ñ
? §¶§à§â§Þ§Ñ§ä §Ó§Ú§Ü§Ý§Ú§Ü§å aio_suspend():
int aio_suspend(struct aiocb *list[], int cnt, struct timespec *tout);](https://image.slidesharecdn.com/oslecture11-160516182833/85/11-9-320.jpg)
![14/19§§Ö§Ü§è?§ñ 11
§±§à§â§ä§Ú §Ù§Ñ§Ó§Ö§â§ê§Ö§ß§ß§ñ §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-
§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ (I/O completion port)
? §³§á§à§é§Ñ§ä§Ü§å §ã§ä§Ó§à§â§ð§ð§ä§î §ß§à§Ó§Ú§Û §à§Ò¡¯?§Ü§ä §á§à§â§ä§å, §á§à§ä?§Þ §Õ§à§Õ§Ñ§ð§ä§î §å §ß§î§à§Ô§à
§æ§Ñ§Û§Ý§à§Ó? §Õ§Ö§ã§Ü§â§Ú§á§ä§à§â§Ú
? §©§Ñ§ã§ä§à§ã§à§Ó§å§ð§ä§î §Ó§Ú§Ü§Ý§Ú§Ü CreateCompletionPort()
CreateCompletionPort (fdarr[key], ph, key, Rmax);
? §°§Õ§Ú§ß §Ù §á§Ñ§â§Ñ§Þ§Ö§ä§â?§Ó, §ñ§Ü§Ú§Û §á§Ö§â§Ö§Õ§Ñ§ð§ä§î §å §Ó§Ú§Ü§Ý§Ú§Ü ¨C §è§Ö §Þ§Ñ§Ü§ã§Ú§Þ§Ñ§Ý§î§ß§Ñ
§Ü?§Ý§î§Ü?§ã§ä§î §á§à§ä§à§Ü?§Ó, §ë§à §Þ§à§Ø§å§ä§î §Ó§Ú§Ü§à§ß§å§Ó§Ñ§ä§Ú§ã§î §å §ã§Ú§ã§ä§Ö§Þ? Rmax
? §°§á§ä§Ú§Þ§Ñ§Ý§î§ß§à ¨C §Õ§à§â?§Ó§ß§ð? §Ü?§Ý§î§Ü§à§ã§ä? §á§â§à§è§Ö§ã§à§â§ß§Ú§ç §ñ§Õ§Ö§â
? §±?§ã§Ý§ñ §è§î§à§Ô§à §æ§à§â§Þ§å§ð§ä§î §á§å§Ý §â§à§Ò§à§é§Ú§ç §á§à§ä§à§Ü?§Ó (thread pool)
? §¬?§Ý§î§Ü?§ã§ä§î §Þ§Ñ? §á§Ö§â§Ö§Ó§Ú§ë§å§Ó§Ñ§ä§Ú Rmax
? §¬§à§Ø§ß§Ú§Û §Ù §á§à§ä§à§Ü?§Ó §á§à§Ó§Ú§ß§Ö§ß §Ó§Ú§Ü§à§ß§å§Ó§Ñ§ä§Ú §à§Õ§Ú§ß ? §ä§à§Û §ã§Ñ§Þ§Ú§Û §Ü§à§Õ
For ( : : ) {
// §à§é?§Ü§å§Ó§Ñ§ß§ß§ñ §ß§Ñ §à§Ò¡¯?§Ü§ä? §á§à§â§ä§å, §Ù§Ñ§Õ§Ñ§ß§à§Þ§å §Õ§Ö§ã§Ü§â§Ú§á§ä§à§â§à§Þ ph
GetQueuedCompletionStatus (ph, nbytes, &key, &ov, INFINITE);
// §ä§å§ä §á§à§ä?§Ü ? §Ñ§Ü§ä§Ú§Ó§ß§Ú§Þ
ReadFile (fdarr[key], request, ¡ ); // §á§â§à§é§Ú§ä§Ñ§ä§Ú §Ù§Ñ§á§Ú§ä
process_request (request); // §à§Ò§ã§Ý§å§Ø§Ú§ä§Ú §Ü§Ý??§ß§ä§Ñ
}](https://image.slidesharecdn.com/oslecture11-160516182833/85/11-14-320.jpg)
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- 6. 6/19§§Ö§Ü§è?§ñ 11 §³§ä§â§å§Ü§ä§å§â§Ñ §Õ§â§Ñ§Û§Ó§Ö§â§Ñ ? §¬§à§Õ ?§ß?§è?§Ñ§Ý?§Ù§Ñ§è?? (§à§Õ§ß§Ñ §æ§å§ß§Ü§è?§ñ init()) ? §¬§à§Õ §Ó§Ú§Ü§à§ß§å?§ä§î§ã§ñ §á?§Õ §é§Ñ§ã §Ù§Ñ§Ó§Ñ§ß§ä§Ñ§Ø§Ö§ß§ß§ñ §ñ§Õ§â§Ñ §ã§Ú§ã§ä§Ö§Þ§Ú §Ñ§Ò§à §á?§Õ §é§Ñ§ã §Ù§Ñ§Ó§Ñ§ß§ä§Ñ§Ø§Ö§ß§ß§ñ §Þ§à§Õ§å§Ý§ñ §Õ§â§Ñ§Û§Ó§Ö§â§Ñ ? §¸§Ö§Û §Ü§à§Õ §â§Ö§Ñ§Ý?§Ù§å? §â§Ö?§ã§ä§â§Ñ§è?§ð §Õ§â§Ñ§Û§Ó§Ö§â§Ñ §å §ã§Ú§ã§ä§Ö§Þ? (§Ó§Ú§Ò?§â §ß§à§Þ§Ö§â§Ñ, §â§Ö?§ã§ä§â§Ñ§è?§ð §à§Ò§â§à§Ò§Ý§ð§Ó§Ñ§é?§Ó §á§Ö§â§Ö§â§Ú§Ó§Ñ§ß§î) ? §¸§Ö§Û §Ü§à§Õ §ß§Ö §Þ§à§Ø§Ö §ã§ä§Ó§à§â§ð§Ó§Ñ§ä§Ú §ã§á§Ö§è?§Ñ§Ý§î§ß? §æ§Ñ§Û§Ý§Ú! ? §²§Ö§Ñ§Ý?§Ù§Ñ§è?§ð §æ§Ñ§Û§Ý§à§Ó§Ú§ç §à§á§Ö§â§Ñ§è?§Û ? ioctl() ? §¥§Ý§ñ §ã§Ú§Þ§Ó§à§Ý§î§ß§Ú§ç §á§â§Ú§ã§ä§â§à?§Ó: open(), close(), read(), write(), lseek(), select(), mmap() ? §¥§Ý§ñ §Ò§Ý§à§Ü§à§Ó§Ú§ç §á§â§Ú§ã§ä§â§à?§Ó ? §à§ã§à§Ò§Ý§Ú§Ó?§ã§ä§î: §â§Ö§Ñ§Ü§è?§ð §ß§Ñ §à§á§Ö§â§Ñ§è?? §Ù§é§Ú§ä§å§Ó§Ñ§ß§ß§ñ ? §Ù§Ñ§á§Ú§ã§å§Ó§Ñ§ß§ß§ñ §Ó§Ú§Ü§Ý§Ú§Ü§Ñ§ð§ä§î §ß§Ö §á§â§ñ§Þ§à, §Ñ §á?§ã§Ý§ñ §á§â§à§ç§à§Õ§Ø§Ö§ß§ß§ñ §Ü§Ö§â§å§Ó§Ñ§ß§ß§ñ §é§Ö§â§Ö§Ù §Ò§å§æ§Ö§â§ß§Ú§Û §Ü§Ö§ê; §Õ§Ý§ñ §è§î§à§Ô§à ?§ç §â§Ö§Ñ§Ý?§Ù§å§ð§ä§î §Ó §à§Õ§ß?§Û §æ§å§ß§Ü§è?? ? UNIX ¨C strategy() ? Linux ¨C request() ? §°§Ò§â§à§Ò§ß§Ú§Ü§Ú §á§Ö§â§Ö§â§Ú§Ó§Ñ§ß§î ? §°§Ò§â§à§Ò§ß§Ú§Ü?§Ó §á§Ö§â§Ö§â§Ú§Ó§Ñ§ß§î §Þ§à§Ø§Ö ? §ß§Ö §Ò§å§ä§Ú: §Õ§â§Ñ§Û§Ó§Ö§â §Þ§à§Ø§Ö §ß§Ö §Ù§Ñ§ã§ä§à§ã§à§Ó§å§Ó§Ñ§ä§Ú §á§Ö§â§Ö§â§Ú§Ó§Ñ§ß§ß§ñ, §Ñ §Ó§Ú§Ü§à§ß§å§Ó§Ñ§ä§Ú §à§á§Ú§ä§å§Ó§Ñ§ß§ß§ñ §á§â§Ú§ã§ä§â§à?§Ó ? §°§Ò§â§à§Ò§ß§Ú§Ü§Ú §á§Ö§â§Ö§â§Ú§Ó§Ñ§ß§î §Þ§Ñ§ð§ä§î §Ó§Ö§â§ç§ß§ð ? §ß§Ú§Ø§ß§ð §á§à§Ý§à§Ó§Ú§ß§Ú
- 7. 7/19§§Ö§Ü§è?§ñ 11 §£§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ §Ù §â§à§Ù§á§à§Õ?§Ý§à§Þ ? §à§Ò¡¯?§Õ§ß§Ñ§ß§ß§ñ§Þ ? §©§Ñ §à§Õ§ß§å §à§á§Ö§â§Ñ§è?§ð §Ù§Õ?§Û§ã§ß§ð?§ä§î§ã§ñ §Ù§é§Ú§ä§å§Ó§Ñ§ß§ß§ñ §Ó, §Ñ§Ò§à §Ù§Ñ§á§Ú§ã§å§Ó§Ñ§ß§ß§ñ §Ù §Ü?§Ý§î§Ü§à§ç §ß§Ö §á§à§Ó¡¯§ñ§Ù§Ñ§ß§Ú§ç §Õ?§Ý§ñ§ß§à§Ü §á§Ñ§Þ¡¯§ñ§ä? ? §£§Ó§Ö§Õ§Ö§ß§ß§ñ ¨C scatter ¨C readv() ? §£§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ ¨C gather ¨C writev() ssize_t readv(int fdl, const struct iovec *iov, int count); fdl ¨C §Õ§Ö§ã§Ü§â§Ú§á§ä§à§â §Ó?§Õ§Ü§â§Ú§ä§à§Ô§à §æ§Ñ§Û§Ý§å; iov ¨C §Þ§Ñ§ã§Ú§Ó §ã§ä§â§å§Ü§ä§å§â, §ñ§Ü? §Ù§Ñ§Õ§Ñ§ð§ä§î §ß§Ñ§Ò?§â §Õ?§Ý§ñ§ß§à§Ü §á§Ñ§Þ¡¯§ñ§ä? §Õ§Ý§ñ §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ ? §Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ; count ¨C §Ü?§Ý§î§Ü?§ã§ä§î §ã§ä§â§å§Ü§ä§å§â §å §Þ§Ñ§ã§Ú§Ó? iov ? §¬§à§Ø§ß§Ú§Û §Ö§Ý§Ö§Þ§Ö§ß§ä §Þ§Ñ§ã§Ú§Ó§å §Þ?§ã§ä§Ú§ä§î §Õ§Ó§Ñ §á§à§Ý§ñ: iov_base ¨C §Ù§Ñ§Õ§Ñ? §Ò§Ñ§Ù§à§Ó§å §Ñ§Õ§â§Ö§ã§å §Õ?§Ý§ñ§ß§Ü§Ú §á§Ñ§Þ¡¯§ñ§ä? iov_len ¨C §Ù§Ñ§Õ§Ñ? §Õ§à§Ó§Ø§Ú§ß§å §Õ?§Ý§ñ§ß§Ü§Ú §á§Ñ§Þ¡¯§ñ§ä? ? §£§Ú§Ü§Ý§Ú§Ü§Ú §á§à§Ó§Ö§â§ä§Ñ§ð§ä§î §Ù§Ñ§Ô§Ñ§Ý§î§ß§å §Ü?§Ý§î§Ü?§ã§ä§î §Ò§Ñ§Û§ä?§Ó (§Ù§é§Ú§ä§Ñ§ß§Ú§ç §Ñ§Ò§à §Ù§Ñ§á§Ú§ã§Ñ§ß§Ú§ç)
- 8. 8/19§§Ö§Ü§è?§ñ 11 §£§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ §Ù §á§à§Ó?§Õ§à§Þ§Ý§Ö§ß§ß§ñ§Þ ? §£§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ §Ù §á§à§Ó?§Õ§à§Þ§Ý§Ö§ß§ß§ñ§Þ §á§â§à §ã§ä§Ñ§ß §Õ§Ö§ã§Ü§â§Ú§á§ä§à§â?§Ó 1. §¤§à§ä§å§ð§ä§î §ã§ä§â§å§Ü§ä§å§â§å §Õ§Ñ§ß§Ú§ç fdarr §Ù §à§á§Ú§ã§à§Þ §å§ã?§ç §Õ§Ö§ã§Ü§â§Ú§á§ä§à§â?§Ó, §ã§ä§Ñ§ß §ñ§Ü§Ú§ç §ä§â§Ö§Ò§Ñ §Ó?§Õ§ã§ä§Ö§Ø§å§Ó§Ñ§ä§Ú 2. §±§Ö§â§Ö§Õ§Ñ§ð§ä§î fdarr §å §ã§Ú§ã§ä§Ö§Þ§ß§Ú§Û §Ó§Ú§Ü§Ý§Ú§Ü §á§à§Ó?§Õ§à§Þ§Ý§Ö§ß§ß§ñ (§å POSIX ¨C §Ó§Ú§Ü§Ý§Ú§Ü§Ú select() ? poll()) 3. §±?§ã§Ý§ñ §Ó§Ú§ç§à§Õ§å §Ù §Ó§Ú§Ü§Ý§Ú§Ü§å fdarr §Þ?§ã§ä§Ú§ä§î ?§ß§æ§à§â§Þ§Ñ§è?§ð §á§â§à §ã§ä§Ñ§ß §å§ã?§ç §Õ§Ö§ã§Ü§â§Ú§á§ä§à§â?§Ó 4. §µ §è§Ú§Ü§Ý? §à§Ò§ç§à§Õ§ñ§ä§î §å§ã? §Ö§Ý§Ö§Þ§Ö§ß§ä§Ú fdarr ? §Õ§Ý§ñ §Ü§à§Ø§ß§à§Ô§à §Ù §ß§Ú§ç §Ó§Ú§Ù§ß§Ñ§é§Ñ§ð§ä§î §Ô§à§ä§à§Ó§ß?§ã§ä§î §Õ§Ö§ã§Ü§â§Ú§á§ä§à§â§Ñ ? §£§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ §Ù §á§à§Ó?§Õ§à§Þ§Ý§Ö§ß§ß§ñ§Þ §á§â§à §á§à§Õ?? (§å FreeBSD ¨C kqueue, Linux 2.6 ¨C epoll) 1. §³§Ú§ã§ä§Ö§Þ§ß§Ú§Û §Ó§Ú§Ü§Ý§Ú§Ü (epoll_create()) §ã§ä§Ó§à§â§ð? §ã§ä§â§å§Ü§ä§å§â§å §Õ§Ñ§ß§Ú§ç §å §ñ§Õ§â? (§á§â§à§ã§Ý§å§ç§à§Ó§å§Ó§Ñ§Ý§î§ß§Ú§Û §à§Ò¡¯?§Ü§ä) 2. §¥§Ý§ñ §á§â§à§ã§Ý§å§ç§à§Ó§å§Ó§Ñ§Ý§î§ß§à§Ô§à §à§Ò¡¯?§Ü§ä§Ñ §æ§à§â§Þ§å§ð§ä§î §ß§Ñ§Ò?§â §Õ§Ö§ã§Ü§â§Ú§á§ä§à§â?§Ó, §Õ§Ý§ñ §Ü§à§Ø§ß§à§Ô§à §Ù §ß§Ú§ç §Ó§Ü§Ñ§Ù§å§ð§ä§î §á§à§Õ??, §ñ§Ü? §è?§Ü§Ñ§Ó§Ý§ñ§ä§î (epoll_ctl()) 3. §£§Ú§Ü§Ý§Ú§Ü §á§à§Ó?§Õ§à§Þ§Ý§Ö§ß§ß§ñ (epoll_wait()) §á§à§Ó§Ö§â§ä§Ñ? ?§ß§æ§à§â§Þ§Ñ§è?§ð §Ý§Ú§ê§Ö §á§â§à §ä? §Õ§Ö§ã§Ü§â§Ú§á§ä§à§â§Ú, §ñ§Ü? §Ù§Þ?§ß§Ú§Ý§Ú §ã§Ó?§Û §ã§ä§Ñ§ß §Ù §Þ§à§Þ§Ö§ß§ä§å §à§ã§ä§Ñ§ß§ß§î§à§Ô§à §Ó§Ú§Ü§Ý§Ú§Ü§å
- 9. 9/19§§Ö§Ü§è?§ñ 11 §¡§ã§Ú§ß§ç§â§à§ß§ß§Ö §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ- §Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ ? §³§ä§Ñ§ß§Õ§Ñ§â§ä POSIX §á§Ö§â§Ö§Õ§Ò§Ñ§é§Ñ? §ä§Ñ§Ü? §Ó§Ú§Ü§Ý§Ú§Ü§Ú §Õ§Ý§ñ §Ñ§ã§Ú§ß§ç§â§à§ß§ß§à§Ô§à §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ: ? aio_read() ¨C §Ù§é§Ú§ä§å§Ó§Ñ§ß§ß§ñ ? aio_write() ¨C §Ù§Ñ§á§Ú§ã§å§Ó§Ñ§ß§ß§ñ ? aio_suspend() ¨C §à§é?§Ü§å§Ó§Ñ§ß§ß§ñ ? aio_cancel() ¨C §á§Ö§â§Ö§â§Ú§Ó§Ñ§ß§ß§ñ ? aio_return() ¨C §à§ä§â§Ú§Þ§Ñ§ß§ß§ñ §â§Ö§Ù§å§Ý§î§ä§Ñ§ä§å ? aio_error() ¨C §à§ä§â§Ú§Þ§Ñ§ß§ß§ñ §ã§ä§Ñ§ä§å§ã§å §à§á§Ö§â§Ñ§è?? ? §µ§ã? §Ó§Ú§Ü§Ý§Ú§Ü§Ú, §Ü§â?§Þ aio_suspend(), §á§â§Ú§Û§Þ§Ñ§ð§ä§î §á§Ñ§â§Ñ§Þ§Ö§ä§â§à§Þ §á§à§Ü§Ñ§Ø§é§Ú§Ü §ß§Ñ §ã§ä§â§å§Ü§ä§å§â§å aiocb §Ù §á§à§Ý§ñ§Þ§Ú: ? aio_fildes ¨C §Õ§Ö§ã§Ü§â§Ú§á§ä§à§â §æ§Ñ§Û§Ý§å, §Õ§Ý§ñ §ñ§Ü§à§Ô§à §Ù§Õ?§Û§ã§ß§ð§ð§ä§î §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ- §Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ ? aio_buf ¨C §á§à§Ü§Ñ§Ø§é§Ú§Ü §ß§Ñ §Ò§å§æ§Ö§â, §å §ñ§Ü§Ú§Û §Ù§é§Ú§ä§Ñ? §Õ§Ñ§ß? aio_read() ? §Ù §ñ§Ü§à§Ô§à §Ù§Ñ§á§Ú§ê§Ö §Õ§Ñ§ß? aio_write() ? aio_nbytes() ¨C §â§à§Ù§Þ?§â §Ò§å§æ§Ö§â§Ñ ? §¶§à§â§Þ§Ñ§ä §Ó§Ú§Ü§Ý§Ú§Ü§å aio_suspend(): int aio_suspend(struct aiocb *list[], int cnt, struct timespec *tout);
- 10. 10/19§§Ö§Ü§è?§ñ 11 §±§à§ã§Ý?§Õ§à§Ó§ß?§ã§ä§î §Ó§Ú§Ü§à§ß§Ñ§ß§ß§ñ §à§á§Ö§â§Ñ§è?? §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ 1. §±§â§à§è§Ö§ã §Ü§à§â§Ú§ã§ä§å§Ó§Ñ§é§Ñ §Ô§à§ä§å? §Ò§å§æ§Ö§â §å §ã§Ó§à?§Þ§å §Ñ§Õ§â§Ö§ã§ß§à§Þ§å §á§â§à§ã§ä§à§â? 2. §±§â§à§è§Ö§ã §Ü§à§â§Ú§ã§ä§å§Ó§Ñ§é§Ñ §Ó§Ú§Ü§à§ß§å? §ã§Ú§ã§ä§Ö§Þ§ß§Ú§Û §Ó§Ú§Ü§Ý§Ú§Ü read() §Õ§Ý§ñ §ã§á§Ö§è?§Ñ§Ý§î§ß§à§Ô§à §æ§Ñ§Û§Ý§å §á§â§Ú§ã§ä§â§à§ð, ? §á§Ö§â§Ö§Õ§Ñ? §å §Ó§Ú§Ü§Ý§Ú§Ü §Ñ§Õ§â§Ö§ã§å §Ò§å§æ§Ö§â§Ñ 3. §£?§Õ§Ò§å§Ó§Ñ?§ä§î§ã§ñ §á§Ö§â§Ö§ç?§Õ §å §â§Ö§Ø§Ú§Þ §ñ§Õ§â§Ñ ? §±§Ö§â§Ö§Ü§Ý§ð§é§Ö§ß§ß§ñ §Ü§à§ß§ä§Ö§Ü§ã§ä§å §ß§Ö §Ù§Õ?§Û§ã§ß§ð§ð§ä§î 4. §¯§Ñ §á?§Õ§ã§ä§Ñ§Ó? ?§ß§æ§à§â§Þ§Ñ§è?? §Ù ?§ß§Õ§Ö§Ü§ã§ß§à§Ô§à §Õ§Ö§ã§Ü§â§Ú§á§ä§à§â§Ñ §ã§á§Ö§è?§Ñ§Ý§î§ß§à§Ô§à §æ§Ñ§Û§Ý§å §Ó§Ú§Ù§ß§Ñ§é§Ñ§ð§ä§î §ß§Ö§à§Ò§ç?§Õ§ß§Ú§Û §Õ§â§Ñ§Û§Ó§Ö§â ? §Ó§Ú§Ü§Ý§Ú§Ü§Ñ§ð§ä§î §æ§å§ß§Ü§è?§ð, §ñ§Ü§Ñ §Ù§Ñ§â§Ö?§ã§ä§â§à§Ó§Ñ§ß§Ñ §ñ§Ü §â§Ö§Ñ§Ý?§Ù§Ñ§è?§ñ §æ§Ñ§Û§Ý§à§Ó§à? §à§á§Ö§â§Ñ§è?? read() §Õ§Ý§ñ §Ó?§Õ§á§à§Ó?§Õ§ß§à§Ô§à §Õ§â§Ñ§Û§Ó§Ö§â§Ñ 5. §¶§å§ß§Ü§è?§ñ: ? §£§Ú§Ü§à§ß§å? §ß§Ö§à§Ò§ç?§Õ§ß? §á?§Õ§Ô§à§ä§à§Ó§é? §à§á§Ö§â§Ñ§è?? ? §¯§Ñ§á§â§Ú§Ü§Ý§Ñ§Õ, §â§à§Ù§Þ?§ë§å? §Ò§å§æ§Ö§â §å §á§Ñ§Þ¡¯§ñ§ä? §ñ§Õ§â§Ñ ? §£?§Õ§ã§Ú§Ý§Ñ? §Ü§à§ß§ä§â§à§Ý§Ö§â§å §á§â§Ú§ã§ä§â§à§ð §Ù§Ñ§á§Ú§ä §ß§Ñ §Ó§Ú§Ü§à§ß§Ñ§ß§ß§ñ §à§á§Ö§â§Ñ§è?? §Ù§é§Ú§ä§å§Ó§Ñ§ß§ß§ñ ? §±§Ö§â§Ö§ç§à§Õ§Ú§ä§î §å §â§Ö§Ø§Ú§Þ §à§é?§Ü§å§Ó§Ñ§ß§ß§ñ ? §¥§Ý§ñ §è§î§à§Ô§à §ñ§Ü §á§â§Ñ§Ó§Ú§Ý§à §Ó§Ú§Ü§à§â§Ú§ã§ä§à§Ó§å§ð§ä§î §æ§å§ß§Ü§è?§ð sleep_on() ? §±§â§Ú §è§î§à§Þ§å §á§â§à§è§Ö§ã, §ë§à §Ó§Ú§Ü§Ý§Ú§Ü§Ñ§Ó §à§á§Ö§â§Ñ§è?§ð, §á§â§Ú§Ù§å§á§Ú§ß§ñ?§ä§î§ã§ñ
- 11. 11/19§§Ö§Ü§è?§ñ 11 §±§à§ã§Ý?§Õ§à§Ó§ß?§ã§ä§î §Ó§Ú§Ü§à§ß§Ñ§ß§ß§ñ §à§á§Ö§â§Ñ§è?? §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ (2) 6. §¬§à§ß§ä§â§à§Ý§Ö§â §Ù§Õ?§Û§ã§ß§ð? §Ù§é§Ú§ä§å§Ó§Ñ§ß§ß§ñ ? §±§â§Ú §è§î§à§Þ§å §Ó?§ß, §Þ§à§Ø§Ý§Ú§Ó§à, §Ó§Ú§Ü§à§â§Ú§ã§ä§à§Ó§å? §Ò§å§æ§Ö§â, §ß§Ñ§Õ§Ñ§ß§Ú§Û §Û§à§Þ§å §æ§å§ß§Ü§è??§ð §Õ§â§Ñ§Û§Ó§Ö§â§Ñ 6. §±?§ã§Ý§ñ §Ù§Ñ§Ó§Ö§â§ê§Ö§ß§ß§ñ §Ù§é§Ú§ä§å§Ó§Ñ§ß§ß§ñ §Ü§à§ß§ä§â§à§Ý§Ö§â §Ó§Ú§Ü§Ý§Ú§Ü§Ñ? §á§Ö§â§Ö§â§Ú§Ó§Ñ§ß§ß§ñ 7. §¡§á§Ñ§â§Ñ§ä§ß§Ö §Ù§Ñ§Ò§Ö§Ù§á§Ö§é§Ö§ß§ß§ñ §Ñ§Ü§ä§Ú§Ó?§Ù§å? §Ó§Ö§â§ç§ß§ð §á§à§Ý§à§Ó§Ú§ß§å §à§Ò§â§à§Ò§Ý§ð§Ó§Ñ§é§Ñ §á§Ö§â§Ö§â§Ú§Ó§Ñ§ß§ß§ñ 8. §¬§à§Õ §Ó§Ö§â§ç§ß§î§à? §á§à§Ý§à§Ó§Ú§ß§Ú §ã§ä§Ñ§Ó§Ú§ä§î §ß§Ú§Ø§ß§ð §á§à§Ý§à§Ó§Ú§ß§å §å §é§Ö§â§Ô§å §ß§Ñ §Ó§Ú§Ü§à§ß§Ñ§ß§ß§ñ 9. §¬§à§Õ §ß§Ú§Ø§ß§î§à? §á§à§Ý§à§Ó§Ú§ß§Ú: ? §©§Ñ§á§à§Ó§ß§ð? §Ò§å§æ§Ö§â, §ñ§Ü§ë§à §Ó?§ß §ß§Ö §Ò§å§Ó §Ù§Ñ§á§à§Ó§ß§Ö§ß§Ú§Û §Ü§à§ß§ä§â§à§Ý§Ö§â§à§Þ ? §£§Ú§Ü§à§ß§å? ?§ß§ê? §ß§Ö§à§Ò§ç?§Õ§ß? §Õ?? §Õ§Ý§ñ §Ù§Ñ§Ó§Ö§â§ê§Ö§ß§ß§ñ §à§á§Ö§â§Ñ§è?? §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ ? §±§à§ß§à§Ó§Ý§ð? §Ó§Ú§Ü§à§ß§Ñ§ß§ß§ñ §á§â§à§è§Ö§ã§å, §ë§à §à§é?§Ü§å? 6. §¬§Ö§â§å§Ó§Ñ§ß§ß§ñ §á?§ã§Ý§ñ §á§à§ß§à§Ó§Ý§Ö§ß§ß§ñ §Ó§Ú§Ü§à§ß§Ñ§ß§ß§ñ §á§â§à§è§Ö§ã§å §á§à§Ó§Ö§â§ä§Ñ?§ä§î§ã§ñ §å §â§Ö§Ñ§Ý?§Ù§Ñ§è?§ð §æ§å§ß§Ü§è?? read() §Õ§Ý§ñ §Õ§â§Ñ§Û§Ó§Ö§â§Ñ ¨C §å §Ü§à§Õ, §ë§à §ã§Ý?§Õ§å? §Ù§Ñ §Ó§Ú§Ü§Ý§Ú§Ü§à§Þ sleep_on() ? §¸§Ö§Û §Ü§à§Õ §Ü§à§á?§ð? §Õ§Ñ§ß? §Ù §Ò§å§æ§Ö§â§Ñ §ñ§Õ§â§Ñ §å §Ò§å§æ§Ö§â §â§Ö§Ø§Ú§Þ§å §Ü§à§â§Ú§ã§ä§å§Ó§Ñ§é§Ñ 6. §¬§Ö§â§å§Ó§Ñ§ß§ß§ñ §á§à§Ó§Ö§â§ä§Ñ§ð§ä§î §å §á§â§à§è§Ö§ã §Ü§à§â§Ú§ã§ä§å§Ó§Ñ§é§Ñ
- 12. 12/19§§Ö§Ü§è?§ñ 11 §£§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ §å Windows ? §¢§Ñ§Ù§à§Ó§Ú§Û §Ü§à§Þ§á§à§ß§Ö§ß§ä ¨C §Þ§Ö§ß§Ö§Õ§Ø§Ö§â §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ (I/O Manager) ? §°§á§Ö§â§Ñ§è?? ¨C §Ñ§ã§Ú§ß§ç§â§à§ß§ß? ? §³§Ú§ß§ç§â§à§ß§ß? §à§á§Ö§â§Ñ§è?? §â§Ö§Ñ§Ý?§Ù§å§ð§ä§î §ñ§Ü §Ñ§ã§Ú§ß§ç§â§à§ß§ß? §à§á§Ö§â§Ñ§è?? + §à§é?§Ü§å§Ó§Ñ§ß§ß§ñ ? §°§á§Ö§â§Ñ§è?? §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ §Ó?§Õ§à§Ò§â§Ñ§Ø§Ñ§ð§ä§î§ã§ñ §å §Ó§Ú§Ô§Ý§ñ§Õ? §ã§ä§â§å§Ü§ä§å§â §Õ§Ñ§ß§Ú§ç ¨C §á§Ñ§Ü§Ö§ä?§Ó §Ù§Ñ§á§Ú§ä?§Ó §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ- §Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ (I/O Request Packet) ? §®§Ö§ß§Ö§Õ§Ø§Ö§â §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ §ã§ä§Ó§à§â§ð? §á§Ñ§Ü§Ö§ä ? §á§Ö§â§Ö§Õ§Ñ? §á§à§Ü§Ñ§Ø§é§Ú§Ü §ß§Ñ §ß§î§à§Ô§à §á§à§ä§â?§Ò§ß§à§Þ§å §Õ§â§Ñ§Û§Ó§Ö§â§å ? §¥§â§Ñ§Û§Ó§Ö§â ? §à§ä§â§Ú§Þ§å? §á§Ñ§Ü§Ö§ä, ? §Ó§Ú§Ü§à§ß§å? §á§à§ä§â?§Ò§ß§å §à§á§Ö§â§Ñ§è?§ð, ? §á§à§Ó§Ö§â§ä§Ñ? §á§Ñ§Ü§Ö§ä §ñ§Ü ?§ß§Õ§Ú§Ü§Ñ§ä§à§â §Ó§Ú§Ü§à§ß§Ñ§ß§ß§ñ §à§á§Ö§â§Ñ§è?? §Ñ§Ò§à §Õ§Ý§ñ §á§Ö§â§Ö§Õ§Ñ§é? §Û§à§Ô§à ?§ß§ê§à§Þ§å §Õ§â§Ñ§Û§Ó§Ö§â§å ? §±?§ã§Ý§ñ §Ù§Ñ§Ó§Ö§â§ê§Ö§ß§ß§ñ §à§á§Ö§â§Ñ§è?? §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ, §Þ§Ö§ß§Ö§Õ§Ø§Ö§â §Ó§Ú§Ó?§Ý§î§ß§ñ? §á§Ñ§Þ¡¯§ñ§ä§î, §ñ§Ü§å §Ù§Ñ§Û§Þ§Ñ§Ó §á§Ñ§Ü§Ö§ä
- 13. 13/19§§Ö§Ü§è?§ñ 11 §¡§ã§Ú§ß§ç§â§à§ß§ß§Ö §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ- §Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ ? §¯§Ñ §Ó?§Õ§Þ?§ß§å §Ó?§Õ §ã§ä§Ñ§ß§Õ§Ñ§â§ä§å POSIX, §å Win32 API §Õ§Ý§ñ §Ñ§ã§Ú§ß§ç§â§à§ß§ß§à§Ô§à §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ §Þ§à§Ø§ß§Ñ §Ù§Ñ§ã§ä§à§ã§à§Ó§å§Ó§Ñ§ä§Ú §ã§ä§Ñ§ß§Õ§Ñ§â§ä§ß? §æ§å§ß§Ü§è?? §æ§Ñ§Û§Ý§à§Ó§à§Ô§à §Ó/§Ó ¨C ReadFile() ? WriteFile() ? §¥§Ý§ñ §è§î§à§Ô§à §å §æ§å§ß§Ü§è?? §á§Ö§â§Ö§Õ§Ñ?§ä§î§ã§ñ §á§à§Ü§Ñ§Ø§é§Ú§Ü §ß§Ñ §ã§á§Ö§è?§Ñ§Ý§î§ß§å §ã§ä§â§å§Ü§ä§å§â§å OVERLAPPED ? §¶§Ñ§Û§Ý §á§à§Ó§Ú§ß§Ö§ß §Ò§å§ä§Ú §Ó?§Õ§Ü§â§Ú§ä§Ú§Þ §Ù §Õ§à§Ù§Ó§à§Ý§à§Þ §Ñ§ã§Ú§ß§ç§â§à§ß§ß§Ú§ç §à§á§Ö§â§Ñ§è?§Û FILE_FLAG_OVERLAPPED ? §¥§Ý§ñ §à§é?§Ü§å§Ó§Ñ§ß§ß§ñ §Ù§Ñ§Ó§Ö§â§ê§Ö§ß§ß§ñ §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ §Ó§Ú§Ü§à§â§Ú§ã§ä§à§Ó§å§ð§ä§î §å§ß?§Ó§Ö§â§ã§Ñ§Ý§î§ß§å §æ§å§ß§Ü§è?§ð §à§é?§Ü§å§Ó§Ñ§ß§ß§ñ ? §¯§Ñ§á§â§Ú§Ü§Ý§Ñ§Õ, WaitForSingleObject() ? §¥§Ý§ñ §à§ä§â§Ú§Þ§Ñ§ß§ß§ñ §â§Ö§Ù§å§Ý§î§ä§Ñ§ä§å §ß§Ö§à§Ò§ç?§Õ§ß§à §Ó§Ú§Ü§à§â§Ú§ã§ä§Ñ§ä§Ú §æ§å§ß§Ü§è?§ð GetOverlappedResult() ? §¥§Ý§ñ §á§Ö§â§Ö§â§Ú§Ó§Ñ§ß§ß§ñ §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ §Ó§Ú§Ü§à§â§Ú§ã§ä§à§Ó§å§ð§ä§î §æ§å§ß§Ü§è?§ð CancelIo()
- 14. 14/19§§Ö§Ü§è?§ñ 11 §±§à§â§ä§Ú §Ù§Ñ§Ó§Ö§â§ê§Ö§ß§ß§ñ §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ- §Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ (I/O completion port) ? §³§á§à§é§Ñ§ä§Ü§å §ã§ä§Ó§à§â§ð§ð§ä§î §ß§à§Ó§Ú§Û §à§Ò¡¯?§Ü§ä §á§à§â§ä§å, §á§à§ä?§Þ §Õ§à§Õ§Ñ§ð§ä§î §å §ß§î§à§Ô§à §æ§Ñ§Û§Ý§à§Ó? §Õ§Ö§ã§Ü§â§Ú§á§ä§à§â§Ú ? §©§Ñ§ã§ä§à§ã§à§Ó§å§ð§ä§î §Ó§Ú§Ü§Ý§Ú§Ü CreateCompletionPort() CreateCompletionPort (fdarr[key], ph, key, Rmax); ? §°§Õ§Ú§ß §Ù §á§Ñ§â§Ñ§Þ§Ö§ä§â?§Ó, §ñ§Ü§Ú§Û §á§Ö§â§Ö§Õ§Ñ§ð§ä§î §å §Ó§Ú§Ü§Ý§Ú§Ü ¨C §è§Ö §Þ§Ñ§Ü§ã§Ú§Þ§Ñ§Ý§î§ß§Ñ §Ü?§Ý§î§Ü?§ã§ä§î §á§à§ä§à§Ü?§Ó, §ë§à §Þ§à§Ø§å§ä§î §Ó§Ú§Ü§à§ß§å§Ó§Ñ§ä§Ú§ã§î §å §ã§Ú§ã§ä§Ö§Þ? Rmax ? §°§á§ä§Ú§Þ§Ñ§Ý§î§ß§à ¨C §Õ§à§â?§Ó§ß§ð? §Ü?§Ý§î§Ü§à§ã§ä? §á§â§à§è§Ö§ã§à§â§ß§Ú§ç §ñ§Õ§Ö§â ? §±?§ã§Ý§ñ §è§î§à§Ô§à §æ§à§â§Þ§å§ð§ä§î §á§å§Ý §â§à§Ò§à§é§Ú§ç §á§à§ä§à§Ü?§Ó (thread pool) ? §¬?§Ý§î§Ü?§ã§ä§î §Þ§Ñ? §á§Ö§â§Ö§Ó§Ú§ë§å§Ó§Ñ§ä§Ú Rmax ? §¬§à§Ø§ß§Ú§Û §Ù §á§à§ä§à§Ü?§Ó §á§à§Ó§Ú§ß§Ö§ß §Ó§Ú§Ü§à§ß§å§Ó§Ñ§ä§Ú §à§Õ§Ú§ß ? §ä§à§Û §ã§Ñ§Þ§Ú§Û §Ü§à§Õ For ( : : ) { // §à§é?§Ü§å§Ó§Ñ§ß§ß§ñ §ß§Ñ §à§Ò¡¯?§Ü§ä? §á§à§â§ä§å, §Ù§Ñ§Õ§Ñ§ß§à§Þ§å §Õ§Ö§ã§Ü§â§Ú§á§ä§à§â§à§Þ ph GetQueuedCompletionStatus (ph, nbytes, &key, &ov, INFINITE); // §ä§å§ä §á§à§ä?§Ü ? §Ñ§Ü§ä§Ú§Ó§ß§Ú§Þ ReadFile (fdarr[key], request, ¡ ); // §á§â§à§é§Ú§ä§Ñ§ä§Ú §Ù§Ñ§á§Ú§ä process_request (request); // §à§Ò§ã§Ý§å§Ø§Ú§ä§Ú §Ü§Ý??§ß§ä§Ñ }
- 15. 15/19§§Ö§Ü§è?§ñ 11 §¬§Ñ§ä§Ö§Ô§à§â?? §Õ§â§Ñ§Û§Ó§Ö§â?§Ó ? §´§Ú§á§Ú §Õ§â§Ñ§Û§Ó§Ö§â?§Ó §Ù§Ô?§Õ§ß§à Windows Driver Model, WDM (§Õ§Ý§ñ §ñ§Õ§â§Ñ §Ó§Ö§â§ã?? 5) ? §¥§â§Ñ§Û§Ó§Ö§â§Ú §ê§Ú§ß§Ú ? §¬§Ö§â§å§ð§ä§î §Ý§à§Ô?§é§ß§à§ð §Ñ§Ò§à §æ?§Ù§Ú§é§ß§à§ð §ê§Ú§ß§à§ð, §Ó?§Õ§á§à§Ó?§Õ§Ñ§ð§ä§î §Ù§Ñ §Ó§Ú§ñ§Ó§Ý§Ö§ß§ß§ñ §á§â§Ú§ã§ä§â§à?§Ó ? §¶§å§ß§Ü§è?§à§ß§Ñ§Ý§î§ß? §Õ§â§Ñ§Û§Ó§Ö§â§Ú ? §¬§Ö§â§å§ð§ä§î §á§â§Ú§ã§ä§â§à?§Þ §Ü§à§ß§Ü§â§Ö§ä§ß§à§Ô§à §ä§Ú§á§å ? §¥§â§Ñ§Û§Ó§Ö§â§Ú-§æ?§Ý§î§ä§â§Ú ? §¥§à§á§à§Ó§ß§ð§ð§ä§î §Ñ§Ò§à §Ù§Þ?§ß§ð§ð§ä§î §á§à§Ó§Ö§Õ?§ß§Ü§å ?§ß§ê§Ú§ç §Õ§â§Ñ§Û§Ó§Ö§â?§Ó ? §¬§Ñ§ä§Ö§Ô§à§â?? §Õ§â§Ñ§Û§Ó§Ö§â?§Ó §ñ§Õ§â§Ñ (§Ü§â?§Þ WDM-§Õ§â§Ñ§Û§Ó§Ö§â?§Ó) ? §¶§Ñ§Û§Ý§à§Ó§Ú§ç §ã§Ú§ã§ä§Ö§Þ ? §±§Ö§â§Ö§ä§Ó§à§â§ð§ð§ä§î §Ù§Ñ§á§Ú§ä§Ú §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ, §ë§à §Ó§Ú§Ü§à§â§Ú§ã§ä§à§Ó§å§ð§ä§î §æ§Ñ§Û§Ý§Ú, §å §Ù§Ñ§á§Ú§ä§Ú §Õ§à §ß§Ú§Ù§î§Ü§à§â?§Ó§ß§Ö§Ó§Ú§ç §Õ§â§Ñ§Û§Ó§Ö§â?§Ó §á§â§Ú§ã§ä§â§à?§Ó ? §£?§Õ§à§Ò§â§Ñ§Ø§Ö§ß§ß§ñ (Display Drivers) ? §±§Ö§â§Ö§ä§Ó§à§â§ð§ð§ä§î §ß§Ö§Ù§Ñ§Ý§Ö§Ø§ß? §Ó?§Õ §á§â§Ú§ã§ä§â§à§ð §Ù§Ñ§á§Ú§ä§Ú §á?§Õ§ã§Ú§ã§ä§Ö§Þ§Ú GDI §Ó §Ü§à§Þ§Ñ§ß§Õ§Ú §Ô§â§Ñ§æ?§é§ß§à§Ô§à §Ñ§Õ§Ñ§á§ä§Ö§â§Ñ §Ñ§Ò§à §Ü§à§Þ§Ñ§ß§Õ§Ú §Ù§Ñ§á§Ú§ã§å§Ó§Ñ§ß§ß§ñ §å §á§Ñ§Þ¡¯§ñ§ä§î ? §µ§ã§á§Ñ§Õ§Ü§à§Ó§Ñ§ß? ? §²§à§Ù§â§à§Ò§Ý§Ö§ß? §Õ§Ý§ñ Windows NT 4
- 16. 16/19§§Ö§Ü§è?§ñ 11 §¬§Ñ§ä§Ö§Ô§à§â?? §Õ§â§Ñ§Û§Ó§Ö§â?§Ó (2) ? §¬§Ñ§ä§Ö§Ô§à§â?? §Õ§â§Ñ§Û§Ó§Ö§â?§Ó §â§Ö§Ø§Ú§Þ§å §Ü§à§â§Ú§ã§ä§å§Ó§Ñ§é§Ñ ? §¯§Ñ§á§â§Ú§Ü§Ý§Ñ§Õ, §Õ§â§Ñ§Û§Ó§Ö§â§Ú §á§â§Ú§ß§ä§Ö§â§Ñ ? §±§Ö§â§Ö§ä§Ó§à§â§ð§ð§ä§î §ß§Ö§Ù§Ñ§Ý§Ö§Ø§ß? §Ó?§Õ §á§â§Ú§ã§ä§â§à§ð §Ù§Ñ§á§Ú§ä§Ú §á?§Õ§ã§Ú§ã§ä§Ö§Þ§Ú GDI §Ó §Ü§à§Þ§Ñ§ß§Õ§Ú §Ü§à§ß§Ü§â§Ö§ä§ß§à§Ô§à §á§â§Ú§ß§ä§Ö§â§Ñ ? §á§Ö§â§Ö§Õ§Ñ§ð§ä§î ?§ç WDM §Õ§â§Ñ§Û§Ó§Ö§â§å ? §¬§Ñ§ä§Ö§Ô§à§â?? §Õ§â§Ñ§Û§Ó§Ö§â?§Ó §Ó §Ù§Ñ§Ý§Ö§Ø§ß§à§ã§ä? §Ó?§Õ §â?§Ó§ß§ñ §á?§Õ§ä§â§Ú§Þ§Ü§Ú §Ü§à§ß§Ü§â§Ö§ä§ß§à§Ô§à §á§â§Ú§ã§ä§â§à§ð ? §¬§Ý§Ñ§ã-§Õ§â§Ñ§Û§Ó§Ö§â§Ú ? §²§Ö§Ñ§Ý?§Ù§å§ð§ä§î ?§ß§ä§Ö§â§æ§Ö§Û§ã §à§Ò§â§à§Ò§Ý§Ö§ß§ß§ñ §Ù§Ñ§á§Ú§ä?§Ó §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ, §ã§á§Ö§è§Ú§æ?§é§ß§Ú§ç §Õ§Ý§ñ §Ü§à§ß§Ü§â§Ö§ä§ß§à§Ô§à §Ü§Ý§Ñ§ã§å §á§â§Ú§ã§ä§â§à?§Ó (§Õ§Ú§ã§Ü§Ú, CD-ROM) ? §±§à§â§ä-§Õ§â§Ñ§Û§Ó§Ö§â§Ú ? §²§Ö§Ñ§Ý?§Ù§å§ð§ä§î ?§ß§ä§Ö§â§æ§Ö§Û§ã §à§Ò§â§à§Ò§Ý§Ö§ß§ß§ñ §Ù§Ñ§á§Ú§ä?§Ó §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ, §ã§á§Ö§è§Ú§æ?§é§ß§Ú§ç §Õ§Ý§ñ §á§Ö§Ó§ß§à§Ô§à §Ü§Ý§Ñ§ã§å §á§à§â§ä?§Ó (SCSI) ? §®?§ß?§á§à§â§ä-§Õ§â§Ñ§Û§Ó§Ö§â§Ú ? §¬§Ö§â§å§ð§ä§î §â§Ö§Ñ§Ý§î§ß§Ú§Þ §Ü§à§ß§Ü§â§Ö§ä§ß§Ú§Þ §á§â§Ú§ã§ä§â§à?§Þ
- 17. 17/19§§Ö§Ü§è?§ñ 11 §³§ä§â§å§Ü§ä§å§â§Ñ §Õ§â§Ñ§Û§Ó§Ö§â§Ñ §á§â§Ú§ã§ä§â§à§ð ? §±§â§à§è§Ö§Õ§å§â§Ñ ?§ß?§è?§Ñ§Ý?§Ù§Ñ§è?? Driver Entry ? ?? §Ó§Ú§Ü§à§ß§å? §Þ§Ö§ß§Ö§Õ§Ø§Ö§â §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ §á?§Õ §é§Ñ§ã §Ù§Ñ§Ó§Ñ§ß§ä§Ñ§Ø§Ö§ß§ß§ñ §Õ§â§Ñ§Û§Ó§Ö§â§Ñ §å §ã§Ú§ã§ä§Ö§Þ§å ? §©§Õ?§Û§ã§ß§ð? §Ô§Ý§à§Ò§Ñ§Ý§î§ß§å ?§ß?§è?§Ñ§Ý?§Ù§Ñ§è?§ð §ã§ä§â§å§Ü§ä§å§â §Õ§Ñ§ß§Ú§ç §Õ§â§Ñ§Û§Ó§Ö§â§Ñ ? §±§â§à§è§Ö§Õ§å§â§Ñ §Õ§à§Õ§Ñ§Ó§Ñ§ß§ß§ñ §á§â§Ú§ã§ä§â§à§ð Add-device routine ? §¥§Ý§ñ §â§Ö§Ñ§Ý?§Ù§Ñ§è?? §ä§Ö§ç§ß§à§Ý§à§Ô?? Plug and Play ? §®§Ö§ß§Ö§Õ§Ø§Ö§â Plug and Play §Ó§Ú§Ü§Ý§Ú§Ü§Ñ? §è§ð §á§â§à§è§Ö§Õ§å§â§å, §ñ§Ü§ë§à §Ù§ß§Ñ§ç§à§Õ§Ú§ä§î §á§â§Ú§ã§ä§â?§Û, §Ù§Ñ §ñ§Ü§Ú§Û §Ó?§Õ§á§à§Ó?§Õ§Ñ? §Õ§â§Ñ§Û§Ó§Ö§â ? §¯§Ñ§Ò?§â §á§â§à§è§Ö§Õ§å§â §Õ§Ú§ã§á§Ö§ä§é§Ö§â§Ú§Ù§Ñ§è?? Dispatch Routines ? §¡§ß§Ñ§Ý§à§Ô?§é§ß? §æ§å§ß§Ü§è?§ñ§Þ §æ§Ñ§Û§Ý§à§Ó§Ú§ç §à§á§Ö§â§Ñ§è?§Û §Ó UNIX ? Linux ? §±§â§à§è§Ö§Õ§å§â§Ñ §à§Ò§â§à§Ò§Ý§Ö§ß§ß§ñ §á§Ö§â§Ö§â§Ú§Ó§Ñ§ß§ß§ñ Interrupt Service Routine, ISR ? §¡§ß§Ñ§Ý§à§Ô?§é§ß§Ñ §Ó§Ö§â§ç§ß?§Û §á§à§Ý§à§Ó§Ú§ß? §à§Ò§â§à§Ò§Ý§ð§Ó§Ñ§é§Ñ §á§Ö§â§Ö§â§Ú§Ó§Ñ§ß§ß§ñ ? §°§ã§ß§à§Ó§ß§Ö §Ù§Ñ§Ó§Õ§Ñ§ß§ß§ñ ¨C §Ù§Ñ§á§Ý§Ñ§ß§å§Ó§Ñ§ä§Ú §Õ§Ý§ñ §Ó§Ú§Ü§à§ß§Ñ§ß§ß§ñ §ß§Ú§Ø§ß§ð §á§à§Ý§à§Ó§Ú§ß§å §à§Ò§â§à§Ò§Ý§ð§Ó§Ñ§é§Ñ ? §±§â§à§è§Ö§Õ§å§â§Ñ §Ó?§Õ§Ü§Ý§Ñ§Õ§Ö§ß§à§Ô§à §à§Ò§â§à§Ò§Ý§Ö§ß§ß§ñ §á§Ö§â§Ö§â§Ú§Ó§Ñ§ß§ß§ñ DPC Routine ? §¡§ß§Ñ§Ý§à§Ô?§é§ß§Ñ §ß§Ú§Ø§ß?§Û §á§à§Ý§à§Ó§Ú§ß? §à§Ò§â§à§Ò§Ý§ð§Ó§Ñ§é§Ñ §á§Ö§â§Ö§â§Ú§Ó§Ñ§ß§ß§ñ
- 18. 18/19§§Ö§Ü§è?§ñ 11 §±§à§ã§Ý?§Õ§à§Ó§ß?§ã§ä§î §Ó§Ú§Ü§à§ß§Ñ§ß§ß§ñ §à§á§Ö§â§Ñ§è?? §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ 1. §©§Ñ§á§Ú§ä §Ó/§Ó §á§Ö§â§Ö§ç§à§á§Ý§ð? §Õ§Ú§ß§Ñ§Þ?§é§ß§Ñ §Ò?§Ò§Ý?§à§ä§Ö§Ü§Ñ ? §¯§Ñ§á§â§Ú§Ü§Ý§Ñ§Õ, Win32 §á§Ö§â§Ö§ç§à§á§Ý§ð? §Ó§Ú§Ü§Ý§Ú§Ü WriteFile() 2. §¥§Ú§ß§Ñ§Þ?§é§ß§Ñ §Ò?§Ò§Ý?§à§ä§Ö§Ü§Ñ §Ó§Ú§Ü§Ý§Ú§Ü§Ñ? §Ó§ß§å§ä§â?§ê§ß§ð §æ§å§ß§Ü§è?§ð NTWriteFile(), §ñ§Ü§Ñ §Ù§Ó§Ö§â§ä§Ñ?§ä§î§ã§ñ §Õ§à §Þ§Ö§ß§Ö§Õ§Ø§Ö§â§Ñ §Ó/§Ó 3. §®§Ö§ß§Ö§Õ§Ø§Ö§â §Ó/§Ó §ã§ä§Ó§à§â§ð? §á§Ñ§Ü§Ö§ä IRP, §â§à§Ù§Þ?§ë§Ñ? §Û§à§Ô§à §å §á§Ñ§Þ¡¯§ñ§ä? ? §Ó?§Õ§á§â§Ñ§Ó§Ý§ñ? §á§à§ã§Ú§Ý§Ñ§ß§ß§ñ §ß§Ñ §ß§î§à§Ô§à §Õ§â§Ñ§Û§Ó§Ö§â§å §Ó§Ú§Ü§Ý§Ú§Ü§à§Þ §æ§å§ß§Ü§è?? IoCallDriver() 4. §¥§â§Ñ§Û§Ó§Ö§â §Ò§Ö§â§Ö §Õ§Ñ§ß? §Ù IRP ? §á§Ö§â§Ö§Õ§Ñ? ?§ç §Ü§à§ß§ä§â§à§Ý§Ö§â§å §á§â§Ú§ã§ä§â§à§ð, §á?§ã§Ý§ñ §é§à§Ô§à §Õ§Ñ? §Ü§à§Þ§Ñ§ß§Õ§å §â§à§Ù§á§à§é§Ñ§ä§Ú §à§á§Ö§â§Ñ§è?§ð §Ó/§Ó 5. §¥§Ý§ñ §ã§Ú§ß§ç§â§à§ß§ß§à§Ô§à §Ó/§Ó §Õ§â§Ñ§Û§Ó§Ö§â §Ó§Ú§Ü§Ý§Ú§Ü§Ñ? §æ§å§ß§Ü§è?§ð §à§é?§Ü§å§Ó§Ñ§ß§ß§ñ ? §±§à§ä§à§é§ß§Ú§Û §á§à§ä?§Ü §á§â§Ú§Ù§å§á§Ú§ß§ñ§ð§ä§î 6. §¬§à§Ý§Ú §à§á§Ö§â§Ñ§è?§ñ §Ù§Ñ§Ó§Ö§â§ê§å?§ä§î§ã§ñ, §Ü§à§ß§ä§â§à§Ý§Ö§â §Ó§Ú§Ü§Ý§Ú§Ü§Ñ? §á§Ö§â§Ö§â§Ú§Ó§Ñ§ß§ß§ñ 7. §¥§â§Ñ§Û§Ó§Ö§â §Ó§Ú§Ü§Ý§Ú§Ü§Ñ? §æ§å§ß§Ü§è?§ð IoCompleteRequest() §Õ§Ý§ñ §á§à§Ó?§Õ§à§Þ§Ý§Ö§ß§ß§ñ §Þ§Ö§ß§Ö§Õ§Ø§Ö§â§å §Ó/§Ó §á§â§à §Ù§Ñ§Ó§Ö§â§ê§Ö§ß§ß§ñ §Õ?§Û §Ù §á§Ñ§Ü§Ö§ä§à§Þ, §á?§ã§Ý§ñ §é§à§Ô§à §Ó§Ú§Ü§à§ß§å§ð§ä§î §Ü§à§Õ §Ù§Ñ§Ó§Ö§â§ê§Ö§ß§ß§ñ §à§á§Ö§â§Ñ§è??
- 19. 19/19§§Ö§Ü§è?§ñ 11 §©§Ñ§Ó§Ö§â§ê§Ö§ß§ß§ñ §Ù§Ñ§á§Ú§ä§å §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ ? §©§Ó§Ú§é§Ñ§Û§ß§à §Ù§Ñ§Ó§Ö§â§ê§Ö§ß§ß§ñ §Ù§Ó§à§Õ§Ú§ä§î§ã§ñ §Õ§à §Ü§à§á?§ð§Ó§Ñ§ß§ß§ñ §Õ§Ñ§ß§Ú§ç §Ó §Ñ§Õ§â§Ö§ã§ß§Ú§Û §á§â§à§ã§ä?§â §á§â§à§è§Ö§ã§å §Ü§à§â§Ú§ã§ä§å§Ó§Ñ§é§Ñ ? §µ §â§Ñ§Ù? §ã§Ú§ß§ç§â§à§ß§ß§à§Ô§à §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ-§Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ §Ñ§Õ§â§Ö§ã§ß§Ú§Û §á§â§à§ã§ä?§â §ß§Ñ§Ý§Ö§Ø§Ú§ä§î §Õ§à §á§â§à§è§Ö§ã§å, §ë§à §â§à§Ò§Ú§Ó §Ó§Ú§Ü§Ý§Ú§Ü ? §¥§Ñ§ß? §Þ§à§Ø§å§ä§î §Ò§å§ä§Ú §Ù§Ñ§á§Ú§ã§Ñ§ß? §å §ß§î§à§Ô§à §Ò§Ö§Ù§á§à§ã§Ö§â§Ö§Õ§ß§î§à ? §Á§Ü§ë§à §Ù§Ñ§á§Ú§ä §Ò§å§Ó §Ñ§ã§Ú§ß§ç§â§à§ß§ß§Ú§Þ, §Ñ§Ü§ä§Ú§Ó§ß§Ú§Û §á§à§ä?§Ü §Û§Þ§à§Ó?§â§ß§à §ß§Ñ§Ý§Ö§Ø§Ú§ä§î §Õ§à ?§ß§ê§à§Ô§à §á§â§à§è§Ö§ã§å ? §¯§Ö§à§Ò§ç?§Õ§ß§à §Õ§à§é§Ö§Ü§Ñ§ä§Ú§ã§ñ, §á§à§Ü§Ú §Ñ§Õ§â§Ö§ã§ß§Ú§Û §á§â§à§ã§ä?§â §á§à§ä§â?§Ò§ß§à§Ô§à §á§â§à§è§Ö§ã§å §ß§Ö §ã§ä§Ñ§ß§Ö §Õ§à§ã§ä§å§á§ß§Ú§Û ? §¥§Ý§ñ §è§î§à§Ô§à §Þ§Ö§ß§Ö§Õ§Ø§Ö§â §Ó/§Ó §á§Ý§Ñ§ß§å? §Õ§à §Ó§Ú§Ü§à§ß§Ñ§ß§ß§ñ §ã§á§Ö§è?§Ñ§Ý§î§ß§å APC- §á§â§à§è§Ö§Õ§å§â§å (§Ó?§Õ Asynchronous Procedure Call) ? APC-§á§â§à§è§Ö§Õ§å§â§Ñ §Ó§Ú§Ü§à§ß§å?§ä§î§ã§ñ §Ý§Ú§ê§Ö §å §Ü§à§ß§ä§Ö§Ü§ã§ä? §Ü§à§ß§Ü§â§Ö§ä§ß§à§Ô§à §á§à§ä§à§Ü§å ? §°§ä§â§Ú§Þ§å? §Ü§Ö§â§å§Ó§Ñ§ß§ß§ñ ? §¬§à§á?§ð? §á§à§ä§â?§Ò§ß? §Õ§Ñ§ß? §Ó §Ñ§Õ§â§Ö§ã§ß§Ú§Û §á§â§à§ã§ä?§â §á§â§à§è§Ö§ã§å ? §£§Ú§Ó?§Ý§î§ß§ñ? §á§Ñ§Þ¡¯§ñ§ä§î §Ù-§á?§Õ §á§Ñ§Ü§Ö§ä§Ñ IRP ? §±§Ö§â§Ö§Ó§à§Õ§Ú§ä§î §æ§Ñ§Û§Ý§à§Ó§Ú§Û §Õ§Ö§ã§Ü§â§Ú§á§ä§à§â (§Ñ§Ò§à §á§à§â§ä §Ù§Ñ§Ó§Ö§â§ê§Ö§ß§ß§ñ §Ó§Ó§Ö§Õ§Ö§ß§ß§ñ- §Ó§Ú§Ó§Ö§Õ§Ö§ß§ß§ñ) §å §ã§Ú§Ô§ß§Ñ§Ý?§Ù§à§Ó§Ñ§ß§Ú§Û §ã§ä§Ñ§ß