.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" This manpage is Copyright (C) 1992 Drew Eckhardt;
.\"                               1993 Michael Haardt
.\"                               1993,1994 Ian Jackson.
.\" You may distribute it under the terms of the GNU General
.\" Public License. It comes with NO WARRANTY.
.\"
.\" Modified 1996-08-18 by urs
.\" Modified 2003-04-23 by Michael Kerrisk
.\" Modified 2004-06-23 by Michael Kerrisk <mtk.manpages@gmail.com>
.\"
.\"
.\" Japanese Version Copyright (c) 1997 SUTO, Mitsuaki
.\"         all rights reserved.
.\" Translated 1997-06-26, SUTO, Mitsuaki <suto@av.crl.sony.co.jp>
.\" Updated & Modified 1999-03-01, NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\" Updated & Modified 2001-06-04, Yuichi SATO <ysato@h4.dion.ne.jp>
.\" Updated & Modified 2003-07-26, Yuichi SATO <ysato444@yahoo.co.jp>
.\" Updated & Modified 2004-12-31, Yuichi SATO
.\" Updated 2005-09-06, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\"
.\"WORD:	node		Ρ
.\"WORD:	permission	°
.\"WORD:	resolve		(ѥ̾) 褹
.\"
.TH MKNOD 2 2007-07-26 "Linux" "Linux Programmer's Manual"
.SH ̾
mknod \- üե̾Υե
.SH 
.nf
.B #include <sys/types.h>
.B #include <sys/stat.h>
.B #include <fcntl.h>
.B #include <unistd.h>
.sp
.BI "int mknod(const char *" pathname ", mode_t " mode ", dev_t " dev );
.fi
.sp
.in -4n
glibc εǽޥ׷
.RB ( feature_test_macros (7)
):
.in
.sp
.BR mknod ():
_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 500
.SH 
ƥॳ
.BR mknod ()

.I pathname
Ȥ̾Υե륷ƥࡦΡ
(ե롢ǥХڥե롢̾դѥ) 
°
.I mode

.I dev
λˤäƺ롣

.I mode
ˤϡΡɤε° (permission) ȥפꤹ롣
.I mode
λϰʲˤե륿פΤ 1 Ĥȡ
°ȹ礻 (ӥåȤȤ OR ) ǹԤ

°̤̾ꡢץ
.I umask
ˤäƽ졢줿Ρɤε°
.I "(mode & ~umask)"
Ȥʤ롣

ե륿פˤ
.BR S_IFREG ,
.BR S_IFCHR ,
.BR S_IFBLK ,
.BR S_IFIFO ,
.B S_IFSOCK
.\" (S_IFSOCK  Linux 1.2.4 ¸ߤ)
Τ줫ꤷʤФʤʤ
줾ˡ̾Υե (ΥեȤƺ)
饯ڥե롦֥åڥե롦
FIFO (̾դѥ)Unix ɥᥤ󥽥åȤǤ
(ե륿 0 
.B S_IFREG
ƱǤ)

ե륿פ
.B S_IFCHR
ޤ
.B S_IFBLK
ΤȤ
.I dev
ˤϺǥХڥեΥ᥸㡼ֹ
ޥʡֹꤹ롣ʳξ
.I dev
̵뤵롣

.I pathname
¸ߤ硢ޤϥܥå󥯤ξ硢
θƤӽФ
.B EEXIST
顼ǼԤ롣

줿ΡɤνͭԤϥץμ¸桼 ID ˥åȤ롣
˺줿Ρɤݻ
ƥǥ쥯ȥ set-group-ID ӥåȤåȤƤꡢ
ե륷ƥब BSD Υ롼ץޥƥˤä
ޥȤƤˤϡΡɤΥ롼׽ͭϿƥǥ쥯ȥ
롼׽ͭѾ (ƥǥ쥯ȥƱˤʤ)
ޤǤʤäνͭ롼פϥץμ¸롼 ID Ȥʤ롣
.SH ֤
.BR mknod ()
 0 򡢼Ԥ \-1 ֤
(Ԥ
.I errno
顼ƤˤäƥåȤ)
.SH 顼
.TP
.B EACCES
ץƥǥ쥯ȥؤν񤭹ߵĤʤ
⤷ϥѥ̾
.I pathname
Υǥ쥯ȥʬΤɤ줫˸°̵
.RB ( path_resolution (7)
⻲Ȥ뤳)
.TP
.B EEXIST
.I pathname
¸ߤ롣
.TP
.B EFAULT
.I pathname
ΥץΥǽʥɥ쥹֤γؤƤ롣
.TP
.B EINVAL
.I mode
̾Υե롦ǥХڥե롦FIFOåȰʳ
褦˥åȤƤ롣
.TP
.B ELOOP
ѥ̾
.I pathname
褹ȤˡޤޤƤ륷ܥå󥯤¿
.TP
.B ENAMETOOLONG
.I pathname
Ĺ᤮롣
.TP
.B ENOENT
.I pathname
ǻꤵƤǥ쥯ȥ꤬¸ߤʤ
ޤϥ̵ܥå󥯤Ǥ롣
.TP
.B ENOMEM
ʬʥ̵꤬ͥ
.TP
.B ENOSPC
.I pathname
ΤǥХ˿˥Ρɤ̵
.TP
.B ENOTDIR
.I pathname
Υǥ쥯ȥǤºݤˤϥǥ쥯ȥǤʤ
.TP
.B EPERM
.I mode
̾Υե롦FIFO (̾դѥ)Unix ɥᥤ󥽥åȰʳ
褦˥åȤƤ뤬¹ԼԤø
(Linux Ǥ
.B CAP_MKNOD
ѥӥƥ (capability)) äƤʤ
.\" Unix ɥᥤ󥽥åȤ̾եФ mknod() Ԥȡ
.\" Linux 2.2 Ǥ EPERM ֤Ǥ롣
.\" Linux 2.4 ʹߤǤøäƤʤƤ⤳Υե
.\" Τ mknod() Ѥ뤳ȤǤ롣
ޤ
.I pathname
ݻե륷ƥबꤵ줿Ρɷ򥵥ݡȤƤʤ
.TP
.B EROFS
.I pathname
ɤ߽Фѥե륷ƥΥեؤƤ롣
.SH 
SVr4, 4.4BSD, POSIX.1-2001 (⻲).
.\" Linux μ SVr4 μȰۤʤꡢѥפκˤ root ¤פǤ롣
.\" ޤ EMULTIHOP  ENOLINK  EINTR Υ顼ˤĤƤϵҤƤʤ
.SH 
POSIX.1-2001 ǤϼΤ褦˽񤤤Ƥ롧
.RB  mknod ()
ͣΰܿΤˡϡFIFO ڥե뤳ȤǤ롣
.I mode

.B S_IFIFO
ǤϤʤ硢ޤ
.I dev
 0 ǤϤʤ硢
.BR mknod ()
εưϵꤵƤʤ
ʤ顢ߤǤϤŪΤ
.BR mknod ()
Ѥ٤ǤϤʤŪΤ̤줿ؿǤ
.BR mkfifo ()
Ѥ٤Ǥ롣

Linux Ǥϡǥ쥯ȥ뤿
θƤӽФѤ뤳ȤϤǤʤ
ǥ쥯ȥ
.BR mkdir (2)
Ǻ٤Ǥ롣
.\" Unix ɥᥤ󥽥åȤ socket(2)  bind(2) Ǻ٤Ǥ롣

NFS ¸Ƥץȥˤ¿¸ߤ
ΤĤ
.BR mknod ()
˱ƶͿ롣
.SH Ϣ
.BR fcntl (2),
.BR mkdir (2),
.BR mknodat (2),
.BR mount (2),
.BR socket (2),
.BR stat (2),
.BR umask (2),
.BR unlink (2),
.BR mkfifo (3),
.BR path_resolution (7)