(split) LDP_man-pages: release ioctl.2 [JM:00429]

[linuxjm/LDP_man-pages.git] / release / man2 / ioctl.2

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.\"     @(#)ioctl.2     6.4 (Berkeley) 3/10/91
.\"
.\" Modified 1993-07-23 by Rik Faith <faith@cs.unc.edu>
.\" Modified 1996-10-22 by Eric S. Raymond <esr@thyrsus.com>
.\" Modified 1999-06-25 by Rachael Munns <vashti@dream.org.uk>
.\" Modified 2000-09-21 by Andries Brouwer <aeb@cwi.nl>
.\"
.\" Japanese Version Copyright (c) 1997-1999 HANATAKA Shinya
.\"         all rights reserved.
.\" Translated Sat Aug 14 10:10:27 JST 1999
.\"         by HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\" Modified 2002-09-24 by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\" Updated 2005-02-24, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\" Updated 2011-08-10, TACHIBANA Akira <tati@kc5.so-net.ne.jp>
.\" Updated 2011-09-15, TACHIBANA Akira <tati@kc5.so-net.ne.jp>
.\"
.\"WORD:        device                  ¥Ç¥Ð¥¤¥¹
.\"WORD:        control                 À©¸æ¤¹¤ë
.\"WORD:        special                 ¥¹¥Ú¥·¥ã¥ë
.\"WORD:        character               ¥­¥ã¥é¥¯¥¿
.\"WORD:        parameter               ¥Ñ¥é¥á¡¼¥¿
.\"WORD:        operate                 Áàºî
.\"WORD:        open                    ¥ª¡¼¥×¥ó
.\"WORD:        request                 ¥ê¥¯¥¨¥¹¥È
.\"WORD:        descriptor              ¥Ç¥£¥¹¥¯¥ê¥×¥¿
.\"WORD:        argument                °ú¤­¿ô
.\"WORD:        encode                  ¥¨¥ó¥³¡¼¥É
.\"WORD:        operating characteristics       Æ°ºîÆÃÀ­
.\"
.TH IOCTL 2 2000-09-21 "Linux" "Linux Programmer's Manual"
.SH ̾Á°
ioctl \- ¥Ç¥Ð¥¤¥¹¤òÀ©¸æ¤¹¤ë
.SH ½ñ¼°
.B #include <sys/ioctl.h>
.sp
.BI "int ioctl(int " d ", int " request ", ...);"
.SH ÀâÌÀ
.BR ioctl ()
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¤Î¿¤¯¤ÎÆ°ºîÆÃÀ­¤ò
.BR ioctl ()
¥ê¥¯¥¨¥¹¥È¤Ë¤è¤Ã¤ÆÀ©¸æ¤¹¤ë¤³¤È¤¬¤Ç¤­¤ë¡£°ú¤­¿ô
.I d
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.PP
2 ÈÖÌܤΰú¤­¿ô¤Ï¡¢¥Ç¥Ð¥¤¥¹°Í¸¤Î¥ê¥¯¥¨¥¹¥È¡¦¥³¡¼¥É¤Ç¤¢¤ë¡£
3 ÈÖÌܤΰú¤­¿ô¤Ï¡¢¥á¥â¥ê¤Ø¤Î·¿¤ò»ØÄꤷ¤Ê¤¤¥Ý¥¤¥ó¥¿¤Ç¤¢¤ë¡£
¤³¤Î°ú¤­¿ô¤ÏÅÁÅýŪ¤Ë (C ¤Ç
.B "void *"
¤È¤¤¤¦½ñ¤­Êý¤¬Í­¸ú¤Ë¤Ê¤ëÁ°¤«¤é)
.BI "char *" argp
¤Èɽµ­¤µ¤ì¤Æ¤¤¤ë¡£¤·¤¿¤¬¤Ã¤Æ¡¢¤³¤Îʸ¾Ï¤Ç¤â¤½¤¦Ì¾ÉÕ¤±¤ë¤³¤È¤È¤¹¤ë¡£
.PP
.BR ioctl ()
¤Î
.I request
¤Ë¤Ï¡¢
¤½¤Î°ú¤­¿ô¤¬
.I ÆþÎÏ
¥Ñ¥é¥á¡¼¥¿¤È
.I ½ÐÎÏ
¥Ñ¥é¥á¡¼¥¿¤Î¤É¤Á¤é¤Ç¤¢¤ë¤«¤Î¶èÊ̤䡢
.I argp
°ú¤­¿ô¤Î¥Ð¥¤¥Èñ°Ì¤Î¥µ¥¤¥º¡¢¤È¤¤¤Ã¤¿¾ðÊ󤬥¨¥ó¥³¡¼¥É¤µ¤ì¤Æ¤¤¤ë¡£
.BR ioctl ()
¤Î
.I request
¤ò»ØÄꤹ¤ë¤¿¤á¤Î¥Þ¥¯¥í (macro) ¤ÈÄêµÁ¤Ï
.I <sys/ioctl.h>
¥Õ¥¡¥¤¥ë¤Ë¤¢¤ë¡£
.SH ÊÖ¤êÃÍ
¤¿¤¤¤Æ¤¤¤Î¾ì¹ç¡¢À®¸ù¤¹¤ë¤È¥¼¥í¤¬ÊÖ¤µ¤ì¤ë¡£
¤¿¤À¤·¡¢
.BR ioctl ()
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¥¨¥é¡¼¤Î¾ì¹ç¤Ï \-1 ¤¬ÊÖ¤µ¤ì¡¢
.I errno
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.SH ¥¨¥é¡¼
.TP 0.7i
.B EBADF
.I d
¤¬Í­¸ú¤Ê¥Ç¥£¥¹¥¯¥ê¥×¥¿¤Ç¤Ï¤Ê¤¤¡£
.TP
.B EFAULT
.I argp
¤¬¥¢¥¯¥»¥¹ÉÔ²Äǽ¤Ê¥á¥â¥ê¤ò»²¾È¤·¤Æ¤¤¤ë¡£
.TP
.B EINVAL
.I request
¤Þ¤¿¤Ï
.I argp
¤¬ÉÔÀµ¤Ç¤¢¤ë¡£
.TP
.B ENOTTY
.I d
¤¬¥­¥ã¥é¥¯¥¿·¿¤Î¥¹¥Ú¥·¥ã¥ë¡¦¥Ç¥Ð¥¤¥¹¤ò»²¾È¤·¤Æ¤¤¤Ê¤¤¡£
.TP
.B ENOTTY
»ØÄꤵ¤ì¤¿¥ê¥¯¥¨¥¹¥È¤Ï¥Ç¥£¥¹¥¯¥ê¥×¥¿
.I d
¤¬»²¾È¤¹¤ë¼ïÎà¤Î¥ª¥Ö¥¸¥§¥¯¥È¤Ë¤ÏŬÍѤ¹¤ë¤³¤È¤¬¤Ç¤­¤Ê¤¤¡£
.SH ½àµò
¤É¤ì¤«°ì¤Ä¤Îɸ½à¤ËÂбþ¤·¤Æ¤¤¤ë¤ï¤±¤Ç¤Ï¤Ê¤¤¡£
.BR ioctl ()
¤Î°ú¤­¿ô¡¢ÊÖ¤êÃÍ¡¢²ò¼á¤Ï¡¢½èÍýÂоݤΥǥХ¤¥¹¡¦¥É¥é¥¤¥Ð¤´¤È¤Ë
°Û¤Ê¤ë (¤³¤Î´Ø¿ô¤Ï UNIX ¤Î ¥¹¥È¥ê¡¼¥à I/O ¥â¥Ç¥ë ¤Ë
¤­¤Á¤ó¤ÈŬ¹ç¤·¤Æ¤¤¤Ê¤¤Áàºî¤Î¤¿¤á¤ÎÊØÍø²°¤È¤·¤Æ»ÈÍѤµ¤ì¤ë)¡£
¤è¤¯ÃΤé¤ì¤Æ¤¤¤ë
.BR ioctl ()
¤Î¥ê¥¹¥È¤Ë¤Ä¤¤¤Æ¤Ï
.BR ioctl_list (2)
¤ò»²¾È¤¹¤ë¤³¤È¡£
.BR ioctl ()
´Ø¿ô¥³¡¼¥ë¤Ï Version 7 AT&T UNIX ¤ÇÅо줷¤¿¡£
.SH Ãí°Õ
¤³¤Î¥·¥¹¥Æ¥à¥³¡¼¥ë¤ò»È¤¦¤Ë¤Ï¡¢¥ª¡¼¥×¥ó¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¤¬
ɬÍפǤ¢¤ë¡£
.BR open (2)
¥³¡¼¥ë¤Ï¤·¤Ð¤·¤Ð˾¤ó¤Ç¤¤¤Ê¤¤ÉûºîÍѤòȼ¤¦¤³¤È¤¬¤¢¤ë¤¬¡¢Linux ¤Ç¤Ï
.BR open (2)
¤Ë
.B O_NONBLOCK
¥Õ¥é¥°¤ò¤Ä¤±¤ë¤³¤È¤Ç¤³¤ÎÉûºîÍѤòÈò¤±¤ë¤³¤È¤¬¤Ç¤­¤ë¡£
.SH ´ØÏ¢¹àÌÜ
.BR execve (2),
.BR fcntl (2),
.BR ioctl_list (2),
.BR open (2),
.\" .BR mt (4),
.BR sd (4),
.BR tty (4)