doc/ja_JP.eucJP/man/man2/statfs.2
Kazuo Horikawa 68ead3236f Catch up with 5.0-CURRENT-20030222-JPSNAP
Submitted by:	Akira Ikeuchi <a_ikeuchi@mic.mitsumi.co.jp>
2003-04-06 21:33:56 +00:00

181 lines
6.2 KiB
Groff

.\" Copyright (c) 1989, 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.
.\"
.\" @(#)statfs.2 8.5 (Berkeley) 5/24/95
.\" %FreeBSD: src/lib/libc/sys/statfs.2,v 1.21 2002/12/19 09:40:25 ru Exp %
.\"
.\" $FreeBSD$
.Dd May 24, 1995
.Dt STATFS 2
.Os
.Sh ̾¾Î
.Nm statfs
.Nd ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÎÅý·×¤òÆþ¼ê
.Sh ¥é¥¤¥Ö¥é¥ê
.Lb libc
.Sh ½ñ¼°
.In sys/param.h
.In sys/mount.h
.Ft int
.Fn statfs "const char *path" "struct statfs *buf"
.Ft int
.Fn fstatfs "int fd" "struct statfs *buf"
.Sh ²òÀâ
.Fn statfs
¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¡¢¥Þ¥¦¥ó¥È¤µ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¾ðÊó¤òÌᤷ¤Þ¤¹¡£
.Fa path
°ú¿ô¤Ï¡¢¥Þ¥¦¥ó¥È¤µ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥àÆâ¤ÎǤ°Õ¤Î¥Õ¥¡¥¤¥ë¤Î¥Ñ¥¹Ì¾¤Ç¤¹¡£
.Fa buf
°ú¿ô¤Ï¡¢°Ê²¼¤Î¤è¤¦¤ËÄêµÁ¤µ¤ì¤Æ¤¤¤ë
.Vt statfs
¤Î¹½Â¤ÂΤΥݥ¤¥ó¥¿¤Ç¤¹:
.Bd -literal
typedef struct fsid { int32_t val[2]; } fsid_t; /* ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à ID ·¿ */
/*
* ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥àÅý·×
*/
#define MFSNAMELEN 16 /* ¥Ì¥ë¤ò´Þ¤à¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à̾¤ÎŤµ */
#define MNAMELEN 90 /* Ìá¤êÃͤÎÍѤΥХåե¡¤ÎŤµ */
struct statfs {
long f_bsize; /* ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¥Ö¥í¥Ã¥¯¥µ¥¤¥º */
long f_iosize; /* ºÇŬ¤ÊžÁ÷¥Ö¥í¥Ã¥¯¥µ¥¤¥º */
long f_blocks; /* ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Î¹ç·×¥Ö¥í¥Ã¥¯¥µ¥¤¥º */
long f_bfree; /* ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤ÎÍøÍѲÄǽ¤Ê¥Ö¥í¥Ã¥¯ */
long f_bavail; /* ¥¹¡¼¥Ñ¥æ¡¼¥¶°Ê³°¤¬ÍøÍѲÄǽ¤Ê¥Ö¥í¥Ã¥¯ */
long f_files; /* ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Î¹ç·×¥Î¡¼¥É¿ô */
long f_ffree; /* ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤ÎÍøÍѲÄǽ¤Ê¥Î¡¼¥É¿ô */
fsid_t f_fsid; /* ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à ID ÈÖ¹æ */
uid_t f_owner; /* ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ò¥Þ¥¦¥ó¥È¤·¤¿¥æ¡¼¥¶ */
int f_type; /* ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¥¿¥¤¥× */
int f_flags; /* ¥Þ¥¦¥ó¥È¥Õ¥é¥°¤Î¥³¥Ô¡¼ */
long f_syncwrites; /* ¥Þ¥¦¥ó¥È¤·¤Æ¤«¤é¤ÎƱ´ü½ñ¹þ¤ß¿ô */
long f_asyncwrites; /* ¥Þ¥¦¥ó¥È¤·¤Æ¤«¤é¤ÎÈóƱ´ü½ñ¹þ¤ß¿ô */
char f_fstypename[MFSNAMELEN];/* ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¥¿¥¤¥×̾ */
char f_mntonname[MNAMELEN]; /* ¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È */
long f_syncreads; /* ¥Þ¥¦¥ó¥È°Ê¹ß¤ÎƱ´üÆɼè¤ê¿ô */
long f_asyncreads; /* ¥Þ¥¦¥ó¥È°Ê¹ß¤ÎÈóƱ´üÆɼè¤ê¿ô */
char f_mntfromname[MNAMELEN]; /* ¥Þ¥¦¥ó¥È¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à */
};
.Ed
Ìᤵ¤ì¤ë²ÄǽÀ­¤¬¤¢¤ë¥Õ¥é¥°¤Ï°Ê²¼¤Î¤È¤ª¤ê¤Ç¤¹:
.Bl -tag -width MNT_SYNCHRONOUS
.It Dv MNT_RDONLY
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬Æɼè¤êÀìÍѤǥޥ¦¥ó¥È¤µ¤ì¤Æ¤¤¤Þ¤¹¡£
¥¹¡¼¥Ñ¥æ¡¼¥¶¤Ç¤â½ñ¹þ¤á¤Þ¤»¤ó¡£
.It Dv MNT_NOEXEC
¤½¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤«¤é¥Õ¥¡¥¤¥ë¤ò¼Â¹Ô¤Ç¤­¤Þ¤»¤ó¡£
.It Dv MNT_NOSUID
¥Õ¥¡¥¤¥ë¤Î setuid ¥Ó¥Ã¥È¤È setgid ¥Ó¥Ã¥È¤¬¡¢
¥Õ¥¡¥¤¥ë¤Î¼Â¹Ô»þ¤Ë¼õ¤±Æþ¤ì¤é¤ì¤Þ¤»¤ó¡£
.It Dv MNT_NODEV
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÎÆüì¥Õ¥¡¥¤¥ë¤ò³«¤±¤Þ¤»¤ó¡£
.It Dv MNT_SYNCHRONOUS
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ø¤Î¤¹¤Ù¤Æ¤ÎÆþ½ÐÎϤ¬¡¢Æ±´ü¤ò¼è¤Ã¤Æ¼Â¹Ô¤µ¤ì¤Þ¤¹¡£
.It Dv MNT_ASYNC
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÎÆþ½ÐÎϤ¬¡¢Æ±´ü¤ò¼è¤Ã¤Æ¼Â¹Ô¤µ¤ì¤Þ¤»¤ó¡£
.It Dv MNT_LOCAL
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬¥í¡¼¥«¥ë¤Ë¾ïÃ󤷤Ƥ¤¤Þ¤¹¡£
.It Dv MNT_QUOTA
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ç¥¯¥©¡¼¥¿¤¬Í­¸ú¤Ë¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£
.It Dv MNT_ROOTFS
¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ò³Îǧ¤·¤Þ¤¹¡£
.It Dv MNT_EXRDONLY
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬¡¢Æɼè¤êÀìÍѤǥ¨¥¯¥¹¥Ý¡¼¥È¤µ¤ì¤Þ¤¹¡£
.It Dv MNT_EXPORTED
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬¡¢Æɤ߽ñ¤­¤ÎξÊý¤Ç¥¨¥¯¥¹¥Ý¡¼¥È¤µ¤ì¤Þ¤¹¡£
.It Dv MNT_DEFEXPORTED
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬¡¢Æɤ߽ñ¤­¤ÎξÊý¤Ç
Ǥ°Õ¤Î¥¤¥ó¥¿¡¼¥Í¥Ã¥È¥Û¥¹¥È¤Ë¥¨¥¯¥¹¥Ý¡¼¥È¤µ¤ì¤Þ¤¹¡£
.It Dv MNT_EXPORTANON
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬¡¢¤¹¤Ù¤Æ¤Î¥ê¥â¡¼¥È¥¢¥¯¥»¥¹¤òƿ̾¥æ¡¼¥¶¤Ë¥Þ¥Ã¥×¤·¤Þ¤¹¡£
.It Dv MNT_EXKERB
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬¡¢Kerberos uid ¥Þ¥Ã¥Ô¥ó¥°¤Ç¥¨¥¯¥¹¥Ý¡¼¥È¤µ¤ì¤Þ¤¹¡£
.El
.Pp
ÆÃÄê¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤Ê¤¤¥Õ¥£¡¼¥ë¥É¤Ï¡¢-1 ¤ËÀßÄꤵ¤ì¤Þ¤¹¡£
.Fn fstatfs
¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¡¢µ­½Ò»Ò
.Fa fd
¤Ç»²¾È¤µ¤ì¤ë¥ª¡¼¥×¥ó¥Õ¥¡¥¤¥ë¤ËÂФ·¤ÆƱ¤¸¾ðÊó¤òÌᤷ¤Þ¤¹¡£
.Sh Ìá¤êÃÍ
.Rv -std
.Sh ¥¨¥é¡¼
.Fn statfs
¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¡¢°Ê²¼¤Î¤¦¤Á¤Î 1 ¤Ä°Ê¾å¤¬¿¿¤Ç¤¢¤ë¾ì¹ç¤Ë¥¨¥é¡¼¤È¤Ê¤ê¤Þ¤¹:
.Bl -tag -width Er
.It Bq Er ENOTDIR
.Fa path
¤Î¥Ñ¥¹¤Î¹½À®Í×ÁÇÃæ¤Ë¥Ç¥£¥ì¥¯¥È¥ê°Ê³°¤Î¤â¤Î¤¬´Þ¤Þ¤ì¤Æ¤¤¤Þ¤¹¡£
.It Bq Er ENAMETOOLONG
.Fa path
¤Î¹½À®Í×ÁǤ¬ 255 ʸ»ú¤ò±Û¤¨¤Æ¤¤¤ë¤«¡¢¤Þ¤¿¤Ï
.Fa path
Á´ÂΤ¬ 1023 ʸ»ú¤ò±Û¤¨¤Æ¤¤¤Þ¤¹¡£
.It Bq Er ENOENT
.Fa path
¤Î»²¾È¤¹¤ë¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤·¤Þ¤»¤ó¡£
.It Bq Er EACCES
.Fa path
¤Ë¤Ï¡¢¸¡º÷¤¬µö²Ä¤µ¤ì¤Æ¤¤¤Ê¤¤¥Ç¥£¥ì¥¯¥È¥ê¤¬´Þ¤Þ¤ì¤Æ¤¤¤Þ¤¹¡£
.It Bq Er ELOOP
.Fa path
¤òÊÑ´¹¤¹¤ë¤È¤­¤Ë¸¡½Ð¤µ¤ì¤¿¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤¬Â¿¤¹¤®¤Þ¤¹¡£
.It Bq Er EFAULT
.Fa buf
°ú¿ô¤Þ¤¿¤Ï
.Fa path
°ú¿ô¤¬¡¢ÉÔÀµ¤Ê¥¢¥É¥ì¥¹¤ò»Ø¤·¤Æ¤¤¤Þ¤¹¡£
.It Bq Er EIO
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ËÆɤ߽ñ¤­¤·¤Æ¤¤¤ë´Ö¤ËÆþ½ÐÎÏ¥¨¥é¡¼¤¬È¯À¸¤·¤Þ¤·¤¿¡£
.El
.Pp
.Fn fstatfs
¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¡¢°Ê²¼¤Î¤¦¤Á 1 ¤Ä°Ê¾å¤¬¿¿¤Ç¤¢¤ë¾ì¹ç¤Ë¥¨¥é¡¼¤È¤Ê¤ê¤Þ¤¹:
.Bl -tag -width Er
.It Bq Er EBADF
.Fa fd
°ú¿ô¤¬Í­¸ú¥ª¡¼¥×¥ó¥Õ¥¡¥¤¥ëµ­½Ò»Ò¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£
.It Bq Er EFAULT
.Fa buf
°ú¿ô¤¬ÉÔÀµ¤Ê¥¢¥É¥ì¥¹¤ò»Ø¤·¤Æ¤¤¤Þ¤¹¡£
.It Bq Er EIO
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ËÆɤ߽ñ¤­¤·¤Æ¤¤¤ë´Ö¤Ë
.Tn I/O
(Æþ½ÐÎÏ) ¥¨¥é¡¼¤¬È¯À¸¤·¤Þ¤·¤¿¡£
.El
.Sh Îò»Ë
.Fn statfs
¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¡¢
.Bx 4.4
¤Ç¤Ï¤¸¤á¤ÆÅо줷¤Þ¤·¤¿¡£