Linux Certif

Toute la documentation sur la certification Linux LPI

io_submit

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io_submit - ÈóƱ´ü I/O ¥Ö¥í¥Ã¥¯¤ò½èÍýÂÔ¤Á¥­¥å¡¼¤ËÅÐÏ¿¤¹¤ë

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#include <linux/aio.h>



int io_submit(aio_context_t ctx_id, long nr, struct iocb **iocbpp);

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io_submit() ¤Ï¡¢AIO ¥³¥ó¥Æ¥­¥¹¥È ctx_id ¤Ë nr ¸Ä¤Î I/O ¥ê¥¯¥¨¥¹¥È¤ò½èÍýÂÔ¤Á¤È¤·¤Æ¥­¥å¡¼¤ËÄɲ乤롣 iocbpp ¤Ï¡¢AIO ¥³¥ó¥Æ¥­¥¹¥È ctx_id ¤ËÅÐÏ¿¤µ¤ì¤ë nr ¸Ä¤Î AIO ¥ê¥¯¥¨¥¹¥È¡¦¥Ö¥í¥Ã¥¯¤ÎÇÛÎó¤Ë¤Ê¤Ã¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£

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À®¸ù¤¹¤ë¤È¡¢ io_submit() ¤ÏÅÐÏ¿¤·¤¿ iocb ¤Î¸Ä¿ô¤òÊÖ¤¹ (nr ¤¬ 0 ¤Î¾ì¹ç¤Ï 0 ¤òÊÖ¤¹)¡£ ¼ºÇÔ¤·¤¿¾ì¹ç¡¢¡Ö¥¨¥é¡¼¡×¤ÎÀá¤ËÎóµó¤µ¤ì¤Æ¤¤¤ë¥¨¥é¡¼¤Î¤¤¤º¤ì¤«°ì¤Ä¤òÊÖ¤¹¡£

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EINVAL

ctx_id ¤Ç»ØÄꤵ¤ì¤¿ aio_context ¤¬Ìµ¸ú¤Ç¤¢¤ë¡£ nr ¤¬ 0 ̤Ëþ¤Ç¤¢¤ë¡£ *iocbpp[0] ¤Î iocb ¤¬Å¬Àڤ˽é´ü²½¤µ¤ì¤Æ¤¤¤Ê¤¤¤«¡¢ »ØÄꤵ¤ì¤¿Áàºî¤¬¤½¤Î iocb Ãæ¤Î¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¤ËÂФ·¤Æ ̵¸ú¤Ç¤¢¤ë¡£

EFAULT

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EBADF

ÀèƬ¤Î iocb ¤Ë»ØÄꤵ¤ì¤¿¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¤¬Ìµ¸ú¤Ç¤¢¤ë¡£

EAGAIN

²¿¸Ä¤«¤Î iocb ¤ò¥­¥å¡¼¤ËÆþ¤ì¤ë¤Î¤ËɬÍפʥ꥽¡¼¥¹¤¬ÆÀ¤é¤ì¤Ê¤¤¡£

ENOSYS

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

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