1 .\" Hey Emacs! This file is -*- nroff -*- source.
3 .\" This manpage is Copyright (C) 2006, Michael Kerrisk
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25 .\" Japanese Version Copyright (c) 2006 Yuichi SATO
26 .\" all rights reserved.
27 .\" Translated 2006-08-04 by Yuichi SATO <ysato444@yahoo.co.jp>, LDP v2.36
29 .TH MKFIFOAT 3 2009-12-13 "Linux" "Linux Programmer's Manual"
32 .\"O mkfifoat \- make a FIFO (named pipe) relative to a directory file descriptor
33 mkfifoat \- ¥Ç¥£¥ì¥¯¥È¥ê¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿¤«¤é¤ÎÁêÂаÌÃÖ¤Ë FIFO (̾Á°ÉÕ¤¥Ñ¥¤¥×) ¤òºî¤ë
37 .\"O .B #include <fcntl.h> /* Definition of AT_* constants */
38 .B #include <fcntl.h> /* AT_* Äê¿ô¤ÎÄêµÁ */
39 .B #include <sys/stat.h>
41 .BI "int mkfifoat(int " dirfd ", const char *" pathname ", mode_t " mode );
45 .\"O Feature Test Macro Requirements for glibc (see
46 .\"O .BR feature_test_macros (7)):
47 glibc ¸þ¤±¤Îµ¡Ç½¸¡ºº¥Þ¥¯¥í¤ÎÍ×·ï
48 .RB ( feature_test_macros (7)
54 .\"O Since glibc 2.10: _XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L
55 glibc 2.10 °Ê¹ß: _XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L
57 .\"O Before glibc 2.10:
64 .\"O system call operates in exactly the same way as
66 .\"O except for the differences described in this manual page.
68 ¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¡¢¤³¤Î man ¥Ú¡¼¥¸¤ÇÀâÌÀ¤·¤Æ¤¤¤ë°ã¤¤¤¬¤¢¤ë°Ê³°¤Ï¡¢
70 ¤ÈÁ´¤¯Æ±¤¸¤è¤¦¤ËÆ°ºî¤¹¤ë¡£
72 .\"O If the pathname given in
74 .\"O is relative, then it is interpreted relative to the directory
75 .\"O referred to by the file descriptor
77 .\"O (rather than relative to the current working directory of
78 .\"O the calling process, as is done by
80 .\"O for a relative pathname).
82 ¤Ç»ØÄꤵ¤ì¤ë¥Ñ¥¹Ì¾¤¬ÁêÂХѥ¹Ì¾¤Ç¤¢¤ë¾ì¹ç¡¢
83 ¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿
85 ¤Ç»²¾È¤µ¤ì¤ë¥Ç¥£¥ì¥¯¥È¥ê¤«¤é¤ÎÁêÂХѥ¹Ì¾¤È¤·¤Æ²ò¼á¤µ¤ì¤ë
87 ¤Ç¤Ï¡¢ÁêÂХѥ¹¤Ï¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Î
88 ¥«¥ì¥ó¥È¥ï¡¼¥¥ó¥°¥Ç¥£¥ì¥¯¥È¥ê¤«¤é¤ÎÁêÂХѥ¹¤È¤Ê¤ë)¡£
94 .\"O is the special value
98 .\"O is interpreted relative to the current working
99 .\"O directory of the calling process (like
100 .\"O .BR mkfifo (3)).
102 ¤¬ÁêÂХѥ¹¤Ç¤¢¤ê¡¢¤«¤Ä
110 ¤ÈƱ¤¸¤è¤¦¤Ë) ¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Î
111 ¥«¥ì¥ó¥È¥ï¡¼¥¥ó¥°¥Ç¥£¥ì¥¯¥È¥ê¤«¤é¤ÎÁêÂХѥ¹Ì¾¤È¤·¤Æ²ò¼á¤µ¤ì¤ë¡£
115 .\"O is absolute, then
119 ¤¬ÀäÂХѥ¹¤Ç¤¢¤ë¾ì¹ç¡¢
122 .\"O .SH "RETURN VALUE"
130 .\"O On error, \-1 is returned and
132 .\"O is set to indicate the error.
133 ¥¨¥é¡¼¤Î¾ì¹ç¡¢\-1 ¤¬ÊÖ¤µ¤ì¤Æ¡¢
135 ¤Ë¤Ï¥¨¥é¡¼¤ò¼¨¤¹Ãͤ¬ÀßÄꤵ¤ì¤ë¡£
138 .\"O The same errors that occur for
140 .\"O can also occur for
141 .\"O .BR mkfifoat ().
146 .\"O The following additional errors can occur for
147 .\"O .BR mkfifoat ():
149 ¤Ç¤Ï¡¢¤½¤Î¾¤Ë°Ê²¼¤Î¥¨¥é¡¼¤¬µ¯¤³¤ë:
153 .\"O is not a valid file descriptor.
155 ¤¬Í¸ú¤Ê¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿¤Ç¤Ê¤¤¡£
159 .\"O is a relative path and
161 .\"O is a file descriptor referring to a file other than a directory.
165 ¤¬¥Ç¥£¥ì¥¯¥È¥ê°Ê³°¤Î¥Õ¥¡¥¤¥ë¤ò»²¾È¤¹¤ë¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿¤Ç¤¢¤ë¡£
169 .\"O was added to glibc in version 2.4.
171 ¤Ï glibc ¤Î¥Ð¡¼¥¸¥ç¥ó 2.4 ¤ÇÄɲ䵤줿¡£
172 .\"O It is implemented using
174 .\"O available on Linux since kernel 2.6.16.
175 ¤³¤Î¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¡¢
176 ¥«¡¼¥Í¥ë 2.6.16 °Ê¹ß¤Î Linux ¤ÇÍøÍѤǤ¤ë¤è¤¦¤Ë¤Ê¤Ã¤¿
178 ¤ò»È¤Ã¤Æ¼ÂÁõ¤µ¤ì¤Æ¤¤¤ë¡£
179 .\"O .SH "CONFORMING TO"
186 .\"O for an explanation of the need for
187 .\"O .BR mkfifoat ().
189 ¤¬É¬ÍפÊÍýͳ¤Ë¤Ä¤¤¤Æ¤Ï¡¢
196 .BR path_resolution (7)