304 lines
9.4 KiB
Groff
304 lines
9.4 KiB
Groff
.\" Copyright (c) 1980, 1991, 1993
|
|
.\" The Regents of the University of California. All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
.\" must display the following acknowledgement:
|
|
.\" This product includes software developed by the University of
|
|
.\" California, Berkeley and its contributors.
|
|
.\" 4. Neither the name of the University nor the names of its contributors
|
|
.\" may be used to endorse or promote products derived from this software
|
|
.\" without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" @(#)open.2 8.2 (Berkeley) 11/16/93
|
|
.\" %FreeBSD: src/lib/libc/sys/open.2,v 1.29 2004/07/02 23:52:13 ru Exp %
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.Dd November 16, 1993
|
|
.Dt OPEN 2
|
|
.Os
|
|
.Sh ̾¾Î
|
|
.Nm open
|
|
.Nd Æɼè¤ê¤Þ¤¿¤Ï½ñ¹þ¤ßÍѤ˥ե¡¥¤¥ë¤ò¥ª¡¼¥×¥ó¤¹¤ë¡¢¤Þ¤¿¤ÏºîÀ®¤¹¤ë
|
|
.Sh ¥é¥¤¥Ö¥é¥ê
|
|
.Lb libc
|
|
.Sh ½ñ¼°
|
|
.In fcntl.h
|
|
.Ft int
|
|
.Fn open "const char *path" "int flags" "..."
|
|
.Sh ²òÀâ
|
|
.Fa path
|
|
¤Ë¤è¤Ã¤Æ»ØÄꤵ¤ì¤ë¥Õ¥¡¥¤¥ë¤ò¡¢°ú¿ô
|
|
.Fa flags
|
|
¤Ë¤è¤Ã¤Æ»ØÄꤵ¤ì¤¿¤è¤¦¤ËÆɼè¤ê¤Þ¤¿¤Ï½ñ¹þ¤ß (¤Þ¤¿¤Ï¤½¤ÎξÊý) ÍѤ˥ª¡¼¥×¥ó¤·¡¢
|
|
¤½¤Î¥Õ¥¡¥¤¥ëµ½Ò»Ò¤ò¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤ËÊÖ¤·¤Þ¤¹¡£
|
|
¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤·¤Ê¤¤¾ì¹ç¤Ë¤Ï¥Õ¥¡¥¤¥ë¤òºîÀ®¤¹¤ë¤è¤¦¤Ë¡¢
|
|
.Fa flags
|
|
°ú¿ô¤Ç»Ø¼¨¤Ç¤¤Þ¤¹
|
|
.Dv ( O_CREAT
|
|
¥Õ¥é¥°¤ò»ØÄꤹ¤ë)¡£
|
|
¤³¤Î¾ì¹ç¡¢
|
|
.Fn open
|
|
¤Ë¤Ï 3 ÈÖÌܤΰú¿ô
|
|
.Fa "mode_t mode"
|
|
¤¬É¬ÍפǤ¢¤ê¡¢¥Õ¥¡¥¤¥ë¤Ï
|
|
.Xr chmod 2
|
|
¤ÇÀâÌÀ¤µ¤ì¤Æ¤¤¤ë¤è¤¦¤Ë¥â¡¼¥É
|
|
.Fa mode
|
|
¤ÇºîÀ®¤µ¤ì¡¢¥×¥í¥»¥¹¤Î umask Ãͤˤè¤Ã¤Æ½¤Àµ¤µ¤ì¤Þ¤¹
|
|
.Pf ( Xr umask 2
|
|
¤ò»²¾È)¡£
|
|
.Pp
|
|
»ØÄꤵ¤ì¤¿¥Õ¥é¥°¤Ï¼¡¤ÎÃͤÎÏÀÍýÏÂ
|
|
.\".Em or Ns 'ing
|
|
.Em ( or )
|
|
¤ÇºîÀ®¤µ¤ì¤Þ¤¹¡£
|
|
.Pp
|
|
.Bd -literal -offset indent -compact
|
|
O_RDONLY Æɼè¤êÀìÍѤǥª¡¼¥×¥ó
|
|
O_WRONLY ½ñ¹þ¤ßÀìÍѤǥª¡¼¥×¥ó
|
|
O_RDWR Æɼè¤ê¤È½ñ¹þ¤ßÍѤ˥ª¡¼¥×¥ó
|
|
O_NONBLOCK ¥ª¡¼¥×¥ó¤¹¤ë¤È¤¤Ë¥Ö¥í¥Ã¥¯¤·¤Ê¤¤
|
|
O_APPEND ½ñ¹þ¤ß¤Î¤¿¤Ó¤ËËöÈø¤ËÄɲ乤ë
|
|
O_CREAT ¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤·¤Ê¤¤¾ì¹ç¡¢ºîÀ®¤¹¤ë
|
|
O_TRUNC ¥µ¥¤¥º¤ò 0 ¤ËÀÚ¤ê¼Î¤Æ¤ë
|
|
O_EXCL ºîÀ®¤¹¤ë¥Õ¥¡¥¤¥ë¤¬´û¤Ë¸ºß¤·¤¿¾ì¹ç¡¢¥¨¥é¡¼¤È¤¹¤ë
|
|
O_SHLOCK ¶¦Í¥í¥Ã¥¯¤òÉÔ²Äʬ¤Ë¼èÆÀ¤¹¤ë
|
|
O_EXLOCK ÇÓ¾Ū¥í¥Ã¥¯¤òÉÔ²Äʬ¤Ë¼èÆÀ¤¹¤ë
|
|
O_DIRECT ¥¥ã¥Ã¥·¥å¤Î¸ú²Ì¤ò̵¤¯¤¹¤Þ¤¿¤Ï¸º¤é¤¹
|
|
O_FSYNC Ʊ´üŪ¤Ë½ñ¤¹þ¤à
|
|
O_NOFOLLOW ¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤òé¤é¤Ê¤¤
|
|
.Ed
|
|
.Pp
|
|
.Dv O_APPEND
|
|
¤òÀßÄꤷ¤Æ¥Õ¥¡¥¤¥ë¤ò¥ª¡¼¥×¥ó¤¹¤ë¤È¡¢
|
|
¥Õ¥¡¥¤¥ë¤Ø¤Î½ñ¹þ¤ß¤Ï¤¹¤Ù¤Æ¥Õ¥¡¥¤¥ë¤ÎËöÈø¤ËÄɲ䵤ì¤Þ¤¹¡£
|
|
.Dv O_TRUNC
|
|
¤¬»ØÄꤵ¤ì¤Æ¤¤¤Æ¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤¹¤ë¾ì¹ç¡¢¥Õ¥¡¥¤¥ë¤ÏŤµ 0 ¤ËÀÚ¤ê¼Î¤Æ¤é¤ì¤Þ¤¹¡£
|
|
.Dv O_EXCL
|
|
¤¬
|
|
.Dv O_CREAT
|
|
¤È¤È¤â¤ËÀßÄꤵ¤ì¤Æ¤¤¤Æ¥Õ¥¡¥¤¥ë¤¬´û¤Ë¸ºß¤¹¤ë¾ì¹ç¡¢
|
|
.Fn open
|
|
¤Ï¥¨¥é¡¼¤òÊÖ¤·¤Þ¤¹¡£
|
|
¤³¤ì¤ò»ÈÍѤ·¤Æ¡¢´Êñ¤ÊÇÓ¾Ū¥¢¥¯¥»¥¹¥í¥Ã¥¥ó¥°¥á¥«¥Ë¥º¥à¤ò¼Â¸½¤Ç¤¤Þ¤¹¡£
|
|
.Dv O_EXCL
|
|
¤¬ÀßÄꤵ¤ì¤Æ¤¤¤Æ¥Ñ¥¹Ì¾¤ÎºÇ¸å¤Î¹½À®Í×ÁǤ¬¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤Î¾ì¹ç¡¢
|
|
¤¿¤È¤¨¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤¬Â¸ºß¤·¤Ê¤¤Ì¾Á°¤ò»Ø¤·¤Æ¤¤¤¿¤È¤·¤Æ¤â
|
|
.Fn open
|
|
¤Ï½èÍý¤Ë¼ºÇÔ¤·¤Þ¤¹¡£
|
|
.Dv O_NONBLOCK
|
|
¥Õ¥é¥°¤¬»ØÄꤵ¤ì¤Æ¤¤¤Æ
|
|
.Fn open
|
|
¥·¥¹¥Æ¥à¥³¡¼¥ë¤Î·ë²Ì¡¢¥×¥í¥»¥¹¤¬²¿¤é¤«¤ÎÍýͳ¤Ç¥Ö¥í¥Ã¥¯¤µ¤ì¤ë¤È (¤¿¤È¤¨¤Ð¡¢
|
|
¥À¥¤¥¢¥ë¥¢¥Ã¥×²óÀþ¤Ç¥¥ã¥ê¥¢¤òÂԤäƤ¤¤ë¾ì¹ç)¡¢
|
|
.Fn open
|
|
¤Ï¨ºÂ¤ËÌá¤ê¤Þ¤¹¡£
|
|
µ½Ò»Ò¤Ï¡¢¤½¤Î¸å¤ÎÁàºî¤Î¤¿¤á¤ËÈó¥Ö¥í¥Ã¥¥ó¥°¥â¡¼¥É¤Î¤Þ¤Þ¤Ë¤µ¤ì¤Þ¤¹¡£
|
|
.Pp
|
|
.Dv O_FSYNC
|
|
¤¬¥Þ¥¹¥¯¤Ë»ÈÍѤµ¤ì¤¿¾ì¹ç¡¢¤¹¤Ù¤Æ¤Î½ñ¹þ¤ß¤Ïľ¤Á¤Ë¥Ç¥£¥¹¥¯¤Ë½ñ¤¹þ¤Þ¤ì¡¢
|
|
¥«¡¼¥Í¥ë¤Ï½ñ¤¹þ¤Þ¤ì¤¿¥Ç¡¼¥¿¤ò¥¥ã¥Ã¥·¥å¤»¤º¡¢
|
|
½ñ¤¹þ¤à¤Ù¤¤¹¤Ù¤Æ¤Î¥Ç¡¼¥¿¤¬´°Î»¤¹¤ë¤Þ¤Ç¤Ï
|
|
¤³¤Îµ½Ò»Ò¤ËÂФ¹¤ë¤¹¤Ù¤Æ¤Î½ñ¹þ¤ß¤ÏÌá¤ê¤Þ¤»¤ó¡£
|
|
.Pp
|
|
.Dv O_NOFOLLOW
|
|
¤¬¥Þ¥¹¥¯¤Ë»ÈÍѤµ¤ì¤¿¾ì¹ç¤Ç
|
|
.Fn open
|
|
¤ËÅϤµ¤ì¤¿Âоݥե¡¥¤¥ë¤¬¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤Î¾ì¹ç¡¢
|
|
.Fn open
|
|
¤Ï¼ºÇÔ¤·¤Þ¤¹¡£
|
|
.Pp
|
|
¥Õ¥¡¥¤¥ë¤ò¥ª¡¼¥×¥ó¤¹¤ë¤È¤¤Ë¡¢
|
|
.Xr flock 2
|
|
¤ò»È¤Ã¤¿¥í¥Ã¥¯¤òÆÀ¤ë¤Ë¤Ï¡¢¶¦Í¥í¥Ã¥¯¤Ë¤Ä¤¤¤Æ¤Ï
|
|
.Dv O_SHLOCK
|
|
¡¢
|
|
ÇÓ¾Ū¥í¥Ã¥¯¤Ë¤Ä¤¤¤Æ¤Ï
|
|
.Dv O_EXLOCK
|
|
¤òÀßÄꤷ¤Þ¤¹¡£
|
|
.Dv O_CREAT
|
|
¤Ç¥Õ¥¡¥¤¥ë¤òºîÀ®¤¹¤ë¾ì¹ç¡¢¥í¥Ã¥¯Í׵᤬¼ºÇÔ¤¹¤ë¤³¤È
|
|
¤Ï¤¢¤ê¤Þ¤»¤ó (¤¿¤À¤·¡¢²¼Áؤˤ¢¤ë¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬
|
|
¥í¥Ã¥¯¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë¾ì¹ç¤Ë¸Â¤ê¤Þ¤¹)¡£
|
|
.Pp
|
|
Æɤ߽ñ¤¤Ë¤ª¤±¤ë¥¥ã¥Ã¥·¥å¤Î¸ú²Ì¤òºÇ¾®²½¤â¤·¤¯¤Ï̵¤¯¤¹¤¿¤á¤Ë
|
|
.Dv O_DIRECT
|
|
¤ò»ÈÍѲÄǽ¤Ç¤¹¡£
|
|
¥·¥¹¥Æ¥à¤Ï¡¢Æɤ߽ñ¤¤¹¤ë¥Ç¡¼¥¿¤Î¥¥ã¥Ã¥·¥ó¥°¤òÈò¤±¤è¤¦¤È¤·¤Þ¤¹¡£
|
|
¥Ç¡¼¥¿¤Î¥¥ã¥Ã¥·¥ó¥°¤¬Èò¤±¤é¤ì¤Ê¤¤¾ì¹ç¡¢
|
|
¥Ç¡¼¥¿¤Î¥¥ã¥Ã¥·¥å¤ËÂФ¹¤ë±Æ¶Á¤òºÇ¾®²½¤·¤Þ¤¹¡£
|
|
Ãí°Õ¤»¤º¤Ë»ÈÍѤ¹¤ë¤È¡¢Ëܥե饰¤Ï·àŪ¤ËÀǽ¤òÎô²½¤µ¤»¤Þ¤¹¡£
|
|
.Pp
|
|
Àµ¾ï¤Ë´°Î»¤¹¤ë¤È¡¢
|
|
.Fn open
|
|
¤Ï¡¢¥Õ¥¡¥¤¥ëµ½Ò»Ò¤ò¼¨¤¹Éé¤Ç¤Ê¤¤À°¿ô¤òÊÖ¤·¤Þ¤¹¡£
|
|
½èÍý¤Ë¼ºÇÔ¤¹¤ë¤È -1 ¤òÊÖ¤·¤Þ¤¹¡£
|
|
¥Õ¥¡¥¤¥ëÆâ¤Î¸½ºß¤Î°ÌÃÖ¤ò¥Þ¡¼¥¯¤¹¤ë
|
|
¥Õ¥¡¥¤¥ë¥Ý¥¤¥ó¥¿¤Ï¥Õ¥¡¥¤¥ë¤ÎÀèƬ¤ËÀßÄꤵ¤ì¤Þ¤¹¡£
|
|
.Pp
|
|
¿·¤·¤¤¥Õ¥¡¥¤¥ë¤¬ºîÀ®¤µ¤ì¤ë¾ì¹ç¡¢¤½¤Î¥°¥ë¡¼¥×¤Ï
|
|
¥Õ¥¡¥¤¥ë¤¬´Þ¤Þ¤ì¤ë¥Ç¥£¥ì¥¯¥È¥ê¤Î¥°¥ë¡¼¥×¤ËÀßÄꤵ¤ì¤Þ¤¹¡£
|
|
.Pp
|
|
¿·¤·¤¤µ½Ò»Ò¤Ï
|
|
.Xr execve 2
|
|
¥·¥¹¥Æ¥à¥³¡¼¥ë¤òÄ̤¸¤Æ¥ª¡¼¥×¥ó¤µ¤ì¤¿¤Þ¤Þ¤Ç¤¢¤ë¤è¤¦¤ËÀßÄꤵ¤ì¤Þ¤¹¡£
|
|
.Xr close 2
|
|
¤È
|
|
.Xr fcntl 2
|
|
¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£
|
|
.Pp
|
|
¥·¥¹¥Æ¥à¤Ë¤Ï¡¢1 ¤Ä¤Î¥×¥í¥»¥¹¤Ë¤è¤Ã¤ÆƱ»þ¤Ë¥ª¡¼¥×¥ó¤Ç¤¤ë
|
|
¥Õ¥¡¥¤¥ëµ½Ò»Ò¿ô¤ËÀ©¸Â¤¬¤¢¤ê¤Þ¤¹¡£
|
|
.Xr getdtablesize 2
|
|
¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¸½ºß¤Î¥·¥¹¥Æ¥àÀ©¸Â¤òÊÖ¤·¤Þ¤¹¡£
|
|
.Sh Ìá¤êÃÍ
|
|
Àµ¾ï¤Ë´°Î»¤¹¤ë¤È¡¢
|
|
.Fn open
|
|
¤Ï¥Õ¥¡¥¤¥ëµ½Ò»Ò¤Ç¤¢¤ëÉé¤Ç¤Ê¤¤À°¿ô¤òÊÖ¤·¤Þ¤¹¡£
|
|
½èÍý¤Ë¼ºÇÔ¤¹¤ë¤È -1 ¤¬ÊÖ¤µ¤ì¡¢¥¨¥é¡¼¤ò¼¨¤¹¤¿¤á¤Ë
|
|
.Va errno
|
|
¤¬ÀßÄꤵ¤ì¤Þ¤¹¡£
|
|
.Sh ¥¨¥é¡¼
|
|
»ØÄê¤Î¥Õ¥¡¥¤¥ë¤Ï¼¡¤Î¾ì¹ç¤ò½ü¤¤¤Æ¥ª¡¼¥×¥ó¤µ¤ì¤Þ¤¹:
|
|
.Bl -tag -width Er
|
|
.It Bq Er ENOTDIR
|
|
¥Ñ¥¹¤Î¹½À®Í×ÁÇÃæ¤Ë¥Ç¥£¥ì¥¯¥È¥ê°Ê³°¤Î¤â¤Î¤¬´Þ¤Þ¤ì¤Æ¤¤¤Þ¤¹¡£
|
|
.It Bq Er ENAMETOOLONG
|
|
¥Ñ¥¹Ì¾¤Î¹½À®Í×ÁǤ¬ 255 ʸ»ú¤ò±Û¤¨¤Æ¤¤¤ë¤«¡¢
|
|
¤Þ¤¿¤Ï¥Ñ¥¹Ì¾Á´ÂΤ¬ 1023 ʸ»ú¤ò±Û¤¨¤Æ¤¤¤Þ¤¹¡£
|
|
.It Bq Er ENOENT
|
|
»ØÄꤵ¤ì¤¿¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤»¤º¡¢
|
|
.Dv O_CREAT
|
|
¤âÀßÄꤵ¤ì¤Æ¤¤¤Þ¤»¤ó¡£
|
|
.It Bq Er ENOENT
|
|
¸ºß¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¥Ñ¥¹Ì¾¤Î¹½À®Í×ÁǤ¬Â¸ºß¤·¤Þ¤»¤ó¡£
|
|
.It Bq Er EACCES
|
|
»ØÄꤵ¤ì¤¿¥Ñ¥¹¤Ë¤Ï¡¢¸¡º÷¤¬µö²Ä¤µ¤ì¤Æ¤¤¤Ê¤¤¥Ç¥£¥ì¥¯¥È¥ê¤¬´Þ¤Þ¤ì¤Æ¤¤¤Þ¤¹¡£
|
|
.It Bq Er EACCES
|
|
Í׵ᤵ¤ì¤¿¥Ñ¡¼¥ß¥Ã¥·¥ç¥ó (Æɼè¤ê¤Þ¤¿¤Ï½ñ¹þ¤ßÍÑ¡¢¤Þ¤¿¤ÏξÊý) ¤¬
|
|
»ØÄê¤Î¥Õ¥é¥°¤ËµñÈݤµ¤ì¤Æ¤¤¤Þ¤¹¡£
|
|
.It Bq Er EACCES
|
|
.Dv O_CREAT
|
|
¤¬»ØÄꤵ¤ì¤Æ¤¤¤Æ¡¢¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤»¤º¡¢¤«¤Ä¥Õ¥¡¥¤¥ë¤òºîÀ®¤¹¤ë
|
|
¥Ç¥£¥ì¥¯¥È¥ê¤Ë½ñ¹þ¤ßµö²Ä¤¬¤¢¤ê¤Þ¤»¤ó¡£
|
|
.It Bq Er ELOOP
|
|
¥Ñ¥¹Ì¾¤òÊÑ´¹¤¹¤ë¤È¤¤Ë¸¡½Ð¤µ¤ì¤¿¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤¬Â¿¤¹¤®¤Þ¤¹¡£
|
|
.It Bq Er EISDIR
|
|
»ØÄê¤Î¥Õ¥¡¥¤¥ë¤¬¥Ç¥£¥ì¥¯¥È¥ê¤Ç¤¢¤ê¡¢¤³¤ì¤ò½ñ¹þ¤ßÍѤË
|
|
¥ª¡¼¥×¥ó¤¹¤ë¤è¤¦¤Ë°ú¿ô¤¬»ØÄꤵ¤ì¤Æ¤¤¤Þ¤¹¡£
|
|
.It Bq Er EROFS
|
|
»ØÄꤵ¤ì¤¿¥Õ¥¡¥¤¥ë¤ÏÆɼè¤êÀìÍÑ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Ë¤¢¤ê¡¢
|
|
¤½¤Î¥Õ¥¡¥¤¥ë¤ò½¤Àµ¤·¤è¤¦¤È¤·¤Æ¤¤¤Þ¤¹¡£
|
|
.It Bq Er EMFILE
|
|
¥×¥í¥»¥¹¤Ï¡¢¤¹¤Ç¤Ë¥ª¡¼¥×¥ó¤Ç¤¤ë¥Õ¥¡¥¤¥ëµ½Ò»Ò¤Ë´Ø¤¹¤ëÀ©¸Â¤Ë㤷¤Æ¤¤¤Þ¤¹¡£
|
|
.It Bq Er ENFILE
|
|
¥·¥¹¥Æ¥à¥Õ¥¡¥¤¥ë¥Æ¡¼¥Ö¥ë¤¬ËþÇդǤ¹¡£
|
|
.It Bq Er EMLINK
|
|
.Dv O_NOFOLLOW
|
|
¤¬»ØÄꤵ¤ì¡¢Âоݤ¬¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤Ç¤¹¡£
|
|
.It Bq Er ENXIO
|
|
»ØÄê¤Î¥Õ¥¡¥¤¥ë¤Ï¥¥ã¥é¥¯¥¿·¿Æüì¥Õ¥¡¥¤¥ë¤Þ¤¿¤Ï¥Ö¥í¥Ã¥¯·¿Æüì¥Õ¥¡¥¤¥ë¤Ç¤¢¤ê¡¢
|
|
¤³¤ÎÆüì¥Õ¥¡¥¤¥ë¤Ë·ë¤ÓÉÕ¤±¤é¤ì¤¿¥Ç¥Ð¥¤¥¹¤Ï¸ºß¤·¤Æ¤¤¤Þ¤»¤ó¡£
|
|
.It Bq Er ENXIO
|
|
»ØÄꤵ¤ì¤¿¥Õ¥¡¥¤¥ë¤Ï FIFO ¥Ñ¥¤¥×¤Ç¡¢¤É¤Î¥×¥í¥»¥¹¤«¤é¤â
|
|
Æɼè¤êÍѤ˥ª¡¼¥×¥ó¤µ¤ì¤Æ¤¤¤Ê¤¤¤Ë¤â´Ø¤é¤º¡¢
|
|
¤³¤ì¤ò½ñ¹þ¤ßÍѤ˥ª¡¼¥×¥ó¤·¤è¤¦¤È¤·¤Þ¤·¤¿¡£
|
|
.It Bq Er EINTR
|
|
.Fn open
|
|
Áàºî¤¬¥·¥°¥Ê¥ë¤Ë¤è¤Ã¤Æ³ä¤ê¹þ¤ß¤µ¤ì¤Þ¤·¤¿¡£
|
|
.It Bq Er EOPNOTSUPP
|
|
.Dv O_SHLOCK
|
|
¤Þ¤¿¤Ï
|
|
.Dv O_EXLOCK
|
|
¤¬»ØÄꤵ¤ì¤Þ¤·¤¿¤¬¡¢²¼ÁؤȤʤäƤ¤¤ë¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ï
|
|
¥í¥Ã¥¯¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Þ¤»¤ó¡£
|
|
.It Bq Er EOPNOTSUPP
|
|
»ØÄꤵ¤ì¤¿¥Õ¥¡¥¤¥ë¤Ï¥¹¥Ú¥·¥ã¥ë¥Õ¥¡¥¤¥ë¤Ç¤¢¤ê¡¢
|
|
¤½¤ì¤Ë¥¢¥¯¥»¥¹¤¹¤ë¤³¤È¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Ê¤¤
|
|
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à (Î㤨¤Ð NFS) ¤òÄ̤·¤Æ¥Þ¥¦¥ó¥È¤µ¤ì¤Æ¤¤¤Þ¤¹¡£
|
|
.It Bq Er EWOULDBLOCK
|
|
.Dv O_NONBLOCK
|
|
¤È¡¢
|
|
.Dv O_SHLOCK
|
|
¤«
|
|
.Dv O_EXLOCK
|
|
¤Î¤É¤Á¤é¤«¤¬»ØÄꤵ¤ì¤Þ¤·¤¿¤¬¡¢¥Õ¥¡¥¤¥ë¤Ï¥í¥Ã¥¯¤µ¤ì¤Æ¤¤¤Þ¤¹¡£
|
|
.It Bq Er ENOSPC
|
|
.Dv O_CREAT
|
|
¤¬»ØÄꤵ¤ì¤Æ¤¤¤Æ¡¢¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤»¤º¡¢¿·¤·¤¤¥Õ¥¡¥¤¥ëÍѤΥ¨¥ó¥È¥ê¤ò
|
|
ÇÛÃÖÃæ¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Ï¡¢¤½¤Î¥Ç¥£¥ì¥¯¥È¥ê¤ò´Þ¤à¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ë
|
|
¶õ´Ö¤¬»Ä¤Ã¤Æ¤¤¤Ê¤¤¤¿¤á³ÈÄ¥¤Ç¤¤Þ¤»¤ó¡£
|
|
.It Bq Er ENOSPC
|
|
.Dv O_CREAT
|
|
¤¬»ØÄꤵ¤ì¤Æ¤¤¤Æ¡¢¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤»¤º¡¢¤«¤Ä¥Õ¥¡¥¤¥ë¤¬ºîÀ®Ãæ¤Î
|
|
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Ë̤»ÈÍѤΠinode ¤¬¤¢¤ê¤Þ¤»¤ó¡£
|
|
.It Bq Er EDQUOT
|
|
.Dv O_CREAT
|
|
¤¬»ØÄꤵ¤ì¤Æ¤¤¤Æ¡¢¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤»¤º¡¢¤«¤Ä¿·¤·¤¤¥Õ¥¡¥¤¥ëÍѤÎ
|
|
¥¨¥ó¥È¥ê¤òÇÛÃÖÃæ¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Ï¡¢¤½¤Î¥Ç¥£¥ì¥¯¥È¥ê¤ò´Þ¤à
|
|
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Ç¥Ç¥£¥¹¥¯¥Ö¥í¥Ã¥¯¤Î
|
|
¥æ¡¼¥¶¤Î¥¯¥©¡¼¥¿¤¬¸Ï³é¤·¤¿¤¿¤á¤Ë³ÈÄ¥¤Ç¤¤Þ¤»¤ó¡£
|
|
.It Bq Er EDQUOT
|
|
.Dv O_CREAT
|
|
¤¬»ØÄꤵ¤ì¤Æ¤¤¤Æ¡¢¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤»¤º¡¢¤«¤Ä¥Õ¥¡¥¤¥ë¤òºîÀ®Ãæ¤Î
|
|
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Ç inode ¤Î¥æ¡¼¥¶¤Î¥¯¥©¡¼¥¿¤¬¸Ï³é¤·¤Æ¤¤¤Þ¤¹¡£
|
|
.It Bq Er EIO
|
|
¥Ç¥£¥ì¥¯¥È¥ê¥¨¥ó¥È¥ê¤òºîÀ®Ãæ¡¢¤Þ¤¿¤Ï
|
|
.Dv O_CREAT
|
|
ÍѤΠinode ¤ò³ä¤êÅö¤ÆÃæ¤ËÆþ½ÐÎÏ¥¨¥é¡¼¤¬È¯À¸¤·¤Þ¤·¤¿¡£
|
|
.It Bq Er ETXTBSY
|
|
¥Õ¥¡¥¤¥ë¤Ï½ã¿è¤Ê¼ê³¤ (¶¦Í¥Æ¥¥¹¥È) ¥Õ¥¡¥¤¥ë¤Ç¡¢
|
|
.Fn open
|
|
¥·¥¹¥Æ¥à¥³¡¼¥ë¤¬½ñ¹þ¤ß¥¢¥¯¥»¥¹¤òÍ׵ᤷ¤Þ¤·¤¿¤¬¡¢¥Õ¥¡¥¤¥ë¤Ï¼Â¹ÔÃæ¤Ç¤¹¡£
|
|
.It Bq Er EFAULT
|
|
.Fa path
|
|
°ú¿ô¤Ï¡¢¥×¥í¥»¥¹¤Ë³ä¤êÅö¤Æ¤é¤ì¤¿¥¢¥É¥ì¥¹¶õ´Ö¤ÎÈϰϳ°¤ò»Ø¤·¤Æ¤¤¤Þ¤¹¡£
|
|
.It Bq Er EEXIST
|
|
.Dv O_CREAT
|
|
¤È
|
|
.Dv O_EXCL
|
|
¤¬»ØÄꤵ¤ì¤Æ¤¤¤Æ¡¢¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤·¤Þ¤¹¡£
|
|
.It Bq Er EOPNOTSUPP
|
|
¥½¥±¥Ã¥È¤ò¥ª¡¼¥×¥ó¤·¤è¤¦¤È¤·¤Þ¤·¤¿ (¸½»þÅÀ¤Ç¤Ï¼ÂÁõ¤µ¤ì¤Æ¤¤¤Þ¤»¤ó)¡£
|
|
.It Bq Er EINVAL
|
|
.Dv O_RDONLY ,
|
|
.Dv O_WRONLY
|
|
¤ª¤è¤Ó
|
|
.Dv O_RDWR
|
|
¤ÎÉÔÀµ¤ÊÁȹç¤ï¤»¤Çµ½Ò»Ò¤ò¥ª¡¼¥×¥ó¤·¤è¤¦¤È¤·¤Þ¤·¤¿¡£
|
|
.El
|
|
.Sh ´ØÏ¢¹àÌÜ
|
|
.Xr chmod 2 ,
|
|
.Xr close 2 ,
|
|
.Xr dup 2 ,
|
|
.Xr getdtablesize 2 ,
|
|
.Xr lseek 2 ,
|
|
.Xr read 2 ,
|
|
.Xr umask 2 ,
|
|
.Xr write 2 ,
|
|
.Xr fopen 3
|
|
.Sh Îò»Ë
|
|
.Fn open
|
|
´Ø¿ô¤Ï
|
|
.At v6
|
|
¤ÇÅо줷¤Þ¤·¤¿¡£
|