io_getevents

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Langue: ja

Version: 2003-02-21 (openSuse - 09/10/07)

Section: 2 (Appels système)

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io_getevents - ´°Î»¥­¥å¡¼¤«¤éÈóƱ´ü I/O ¥¤¥Ù¥ó¥È¤òÆɤ߽Ф¹

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#include <linux/time.h>

#include <libaio.h>



int io_getevents(aio_context_t ctx_id, long min_nr, long nr,

                 struct io_event *events, struct timespec *timeout);

ÀâÌÀ

io_getevents() ¤Ï¡¢¾¯¤Ê¤¯¤È¤â min_nr ¤Î¡¢ºÇÂç nr ¸Ä¤Î ¥¤¥Ù¥ó¥È¤ò¡¢ ctx_id ¤Ç»ØÄꤵ¤ì¤¿ AIO (ÈóƱ´ü I/O) ¥³¥ó¥Æ¥­¥¹¥È¤Î ´°Î»¥­¥å¡¼¤«¤éÆɤ߽Ф½¤¦¤È¤¹¤ë¡£ timeout ¤Ï¥¤¥Ù¥ó¥ÈÆɤ߽Ф·¤ÎÂÔ¤Á»þ´Ö¤Î¹ç·×¤ò»ØÄꤹ¤ë¡£ ¥¿¥¤¥à¥¢¥¦¥È¤Ë NULL ¤ò»ØÄꤷ¤¿¾ì¹ç¡¢¾¯¤Ê¤¯¤È¤â min_nr ¸Ä¤Î¥¤¥Ù¥ó¥È¤¬ Æɤ߽Фµ¤ì¤ë¤Þ¤ÇÂԤĤ³¤È¤ò°ÕÌ£¤¹¤ë¡£ Ãí°ÕÅÀ¤ò°Ê²¼¤Ë¤¢¤²¤ë: timeout ¤ÏÁêÂÐŪ¤Ê»ØÄê¤Ç¤¢¤ë¡£ NULL ¤Ç¤Ê¤¤¾ì¹ç¹¹¿·¤µ¤ì¤ë¤³¤È¤â¤¢¤ê¤¨¤ë¡£ ¸Æ¤Ó½Ð¤·¸µ¤ÎÆ°ºî¤ÏÄä»ß¤¹¤ë¡£

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À®¸ù¤¹¤ë¤È¡¢ io_getevents() ¤ÏÆɤ߽Ф·¤¿¥¤¥Ù¥ó¥È¿ô¤òÊÖ¤¹¡£ ¥¤¥Ù¥ó¥È¤¬°ì¤Ä¤âÆɤ߽Фµ¤ì¤Ê¤«¤Ã¤¿¾ì¹ç¤Ï 0 ¤¬ÊÖ¤µ¤ì¡¢ timeout »þ´Ö¤¬·Ð²á¤·¤¿¾ì¹ç¤Ï min_nr ̤Ëþ¤ÎÃͤ¬ÊÖ¤µ¤ì¤ë¡£ ¼ºÇÔ¤¹¤ë¤È¡¢¡Ö¥¨¥é¡¼¡×¤ÎÀá¤ËÎóµó¤µ¤ì¤Æ¤¤¤ë¥¨¥é¡¼¤Î¤¤¤º¤ì¤«°ì¤Ä¤¬ÊÖ¤µ¤ì¤ë¡£

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EINVAL
ctx_id ¤¬Ìµ¸ú¤Ç¤¢¤ë¡£¤â¤·¤¯¤Ï¡¢min_nr ¤Þ¤¿¤Ï nr ¤¬ Èϰϳ°¤ÎÃͤǤ¢¤ë¡£
EFAULT
events ¤Þ¤¿¤Ï timeout ¤¬Ìµ¸ú¤Ê¥Ý¥¤¥ó¥¿¤Ç¤¢¤ë¡£
ENOSYS
io_getevents() ¤¬¤³¤Î¥¢¡¼¥­¥Æ¥¯¥Á¥ã¤Ç¤Ï¼ÂÁõ¤µ¤ì¤Æ¤¤¤Ê¤¤¡£

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ÈóƱ´ü I/O ¥·¥¹¥Æ¥à¡¦¥³¡¼¥ë¤Ï 2002ǯ8·î¤Ë Linux 2.5 ¤Ç½é¤á¤ÆÅо줷¤¿¡£

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io_getevents() ¤Ï Linux ¸ÇÍ­¤Ç¤¢¤ê¡¢°Ü¿¢¤òÁÛÄꤷ¤¿¥×¥í¥°¥é¥à¤Ç »ÈÍѤ¹¤Ù¤­¤Ç¤Ï¤Ê¤¤¡£

´ØÏ¢¹àÌÜ

io_setup(2), io_submit(2), io_getevents(2), io_cancel(2), io_destroy(2)