Rechercher une page de manuel
iopl
Langue: ja
Version: 2004-05-27 (openSuse - 09/10/07)
Section: 2 (Appels système)
̾Á°
iopl - I/O Æø¢¥ì¥Ù¥ë¤òÊѹ¹¤¹¤ë½ñ¼°
#include <sys/io.h>int iopl(int level);
ÀâÌÀ
iopl() ¤Ï¤³¤Î¥×¥í¥»¥¹¤Î I/O Æø¢¥ì¥Ù¥ë¤ò level ¤Ç»ØÄꤷ¤¿ÃͤËÊѹ¹¤¹¤ë¡£¤³¤Î´Ø¿ô¤Ï 8514 ¸ß´¹¤Î X ¥µ¡¼¥Ð¤ò Linux ¤ÇÆ°ºî¤µ¤»¤ë¤¿¤á¤ËɬÍפǤ¢¤ë¡£ ¤Ê¤¼¤Ê¤é¤³¤Î X ¥µ¡¼¥Ð¤Ï 65536 ¸Ä¤Î I/O ¥Ý¡¼¥ÈÁ´¤Æ¤Ø¤Î¥¢¥¯¥»¥¹¤òÍ׵᤹¤ë¤Î¤Ç ioperm(2) ´Ø¿ô¤Ç¤ÏÉÔ½½Ê¬¤À¤«¤é¤Ç¤¢¤ë¡£
¤è¤ê¹â¤¤ I/O Æø¢¥ì¥Ù¥ë¤Ç¤ÎÆ°ºî¤ò¤µ¤»¤ë¤³¤È¤Ë¤è¤Ã¤Æ I/O ¥Ý¡¼¥È¥¢¥¯¥»¥¹¤ÎÀ©¸Â¤ò²ò½ü¤¹¤ë¤³¤È¤Ë²Ã¤¨¤Æ¡¢¥×¥í¥»¥¹¤¬³ä¤ê¹þ¤ß¤ò ̵¸ú¤Ë¤¹¤ë¤³¤È¤â¤Ç¤¤ë¤è¤¦¤Ë¤Ê¤ë¡£¤³¤Îµ¡Ç½¤Ï»þ¤È¤·¤Æ¥·¥¹¥Æ¥à¤ÎÇ˲õ¤ò ¤â¤¿¤é¤¹¤Î¤Ç´«¤á¤é¤ì¤Ê¤¤¡£
fork(2) ¤ä exec(2) ¤ò¹Ô¤Ã¤¿¾ì¹ç¡¢Æø¢¤Ï·Ñ¾µ¤µ¤ì¤ë¡£
Ä̾ï¤Î¥×¥í¥»¥¹¤Î I/O Æø¢¥ì¥Ù¥ë¤Ï 0 ¤Ç¤¢¤ë¡£
¤³¤Î¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¤Û¤È¤ó¤É i386 ¥¢¡¼¥¥Æ¥¯¥Á¥ã¤Î¤¿¤á¤À¤±¤Î¤â¤Î¤Ç¤¢¤ë¡£ ¤½¤Î¾¤Î¿¤¯¤Î¥¢¡¼¥¥Æ¥¯¥Á¥ã¤Ç¤Ï¸ºß¤·¤Ê¤¤¤«¡¢¾ï¤Ë¥¨¥é¡¼¤òÊÖ¤¹¡£
ÊÖ¤êÃÍ
À®¸ù¤·¤¿¾ì¹ç¤Ë¤Ï 0 ¤òÊÖ¤¹¡£¥¨¥é¡¼¤Î¾ì¹ç¤Ë¤Ï -1 ¤òÊÖ¤·¡¢ errno ¤ËŬÀÚ¤ÊÃͤ¬ÀßÄꤵ¤ì¤ë¡£¥¨¥é¡¼
- EINVAL
- °ú¤¿ô level ¤¬ 3 ¤è¤êÂ礤¤¡£
- ENOSYS
- ¤³¤Î¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¼ÂÁõ¤µ¤ì¤Æ¤¤¤Ê¤¤¡£ ¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Ë iopl() ¤ò¸Æ¤Ó½Ð¤¹¤Î¤Ë½½Ê¬¤Ê¸¢¸Â¤¬¤Ê¤«¤Ã¤¿¡£ iopl() ¤ò¸Æ¤Ó½Ð¤¹¤Ë¤Ï CAP_SYS_RAWIO ¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¤¬É¬ÍפǤ¢¤ë¡£
½àµò
iopl() ¤Ï Linux ÆÃͤδؿô¤Ç¤¢¤ê¡¢°Ü¿¢¤ò°Õ¿Þ¤·¤¿¥×¥í¥°¥é¥à¤Ç »ÈÍѤ·¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£Ãí°Õ
libc5 ¤Ç¤Ï¥·¥¹¥Æ¥à¥³¡¼¥ë¤È¤·¤Æ°·¤¤ <unistd.h> ¤Ë¥×¥í¥È¥¿¥¤¥×¤¬Â¸ºß¤·¤Æ¤¤¤ë¡£ glibc1 ¤Ë¤Ï¥×¥í¥È¥¿¥¤¥×¤Ï¸ºß¤·¤Æ¤¤¤Ê¤¤¡£ glibc2 ¤Ï <sys/io.h> ¤È <sys/perm.h> ¤ÎξÊý¤Ë¥×¥í¥È¥¿¥¤¥×¤ò»ý¤Ã¤Æ¤¤¤ë¡£ ¸å¼Ô¤Ï i386 ¤Î¤ß¤ÇÍøÍѲÄǽ¤Ê¤Î¤Ç¡¢»ÈÍѤ¹¤Ù¤¤Ç¤Ï¤Ê¤¤¡£´ØÏ¢¹àÌÜ
ioperm(2), capabilities(7)Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre