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[linuxjm/jm.git] / manual / LDP_man-pages / release / man3 / mkfifo.3

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.\" This manpage is Copyright (C) 1995 James R. Van Zandt <jrv@vanzandt.mv.com>
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.\" changed section from 2 to 3, aeb, 950919
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.\" Japanese Version Copyright (c) 1998 George Momma
.\"         all rights reserved.
.\" Translated Mon May 25 23:11:03 JST 1998
.\"         by George Momma <momma@wakhok.ac.jp>
.\" Updated 1999-12-11 by Kentaro Shirakata <argrath@ub32.org>
.\" Updated 2008-07-30 by Kentaro Shirakata <argrath@ub32.org>
.\"
.\"WORD:        named pipe              ̾Á°ÉÕ¤­¥Ñ¥¤¥×
.\"WORD:        permission              µö²Ä¥â¡¼¥É
.\"WORD:        filename                ¥Õ¥¡¥¤¥ë̾
.\"WORD:        filename component      ¥Õ¥¡¥¤¥ë̾Éôʬ
.\"WORD:        directory component     ¥Ç¥£¥ì¥¯¥È¥êÉôʬ
.TH MKFIFO 3 2008-06-12 "GNU" "Linux Programmer's Manual"
.SH ̾Á°
mkfifo \- FIFO¥¹¥Ú¥·¥ã¥ë¥Õ¥¡¥¤¥ë(̾Á°ÉÕ¤­¥Ñ¥¤¥×)¤òºîÀ®¤¹¤ë
.SH ½ñ¼°
.nf
.B #include <sys/types.h>
.B #include <sys/stat.h>
.sp
.BI "int mkfifo(const char *" pathname ", mode_t " mode );
.fi
.SH ÀâÌÀ
.BR mkfifo ()
¤Ï̾Á° \fIpathname\fP ¤ò»ý¤ÄFIFO¥¹¥Ú¥·¥ã¥ë¥Õ¥¡¥¤¥ë¤òºîÀ®
¤¹¤ë¡£FIFO¤Îµö²Ä¥â¡¼¥É¤Ï \fImode\fP ¤Ç»ØÄꤵ¤ì¡¢¥×¥í¥»¥¹¤Î
\fBumask\fP ¤Ë¤è¤Ã¤ÆÄ̾ï¤ÎÊý¼°¤ÇÊѹ¹¤ò¼õ¤±¤ë: ºîÀ®¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¤Îµö²Ä
¥â¡¼¥É¤Ï \fB(\fP\fImode\fP\fB & ~umask)\fP ¤È¤Ê¤ë¡£
.PP
FIFO¥¹¥Ú¥·¥ã¥ë¥Õ¥¡¥¤¥ë¤Ï¥Ñ¥¤¥×¤Ë»÷¤Æ¤¤¤ë¤¬¡¢ºîÀ®¤Î¤µ¤ìÊý¤Î¤ß¤¬°Û¤Ê¤Ã¤Æ
¤¤¤ë¡£FIFO¥¹¥Ú¥·¥ã¥ë¥Õ¥¡¥¤¥ë¤Ï̾Á°¤Î¤Ê¤¤ÄÌ¿®Ï©¤Ç¤Ï¤Ê¤¯¡¢
.BR mkfifo ()
¤Î¸Æ¤Ó½Ð¤·¤Ë¤è¤ê¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÎÃæ¤Ë²Ã¤¨¤é¤ì¤ë¡£
.PP
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¥¤¥ë¤ÈƱ¤¸¤è¤¦¤Ë¡¢¤É¤Î¥×¥í¥»¥¹¤«¤é¤Ç¤âÆɤ߽Ф·¡¢½ñ¤­¹þ¤ßÍѤˤ³¤ì¤ò¥ª¡¼
¥×¥ó¤¹¤ë¤³¤È¤¬¤Ç¤­¤ë¡£¤¿¤À¤·¡¢¤³¤ì¤ËÂФ¹¤ëÁ´¤Æ¤ÎÆþ½ÐÎÏÁàºî¤ËÀèΩ¤Ã¤Æ
¤½¤Îξü¤¬¥ª¡¼¥×¥ó¤µ¤ì¤Æ¤¤¤ëɬÍפ¬¤¢¤ë¡£FIFO¤òÆɤ߽Ф·ÍѤ˥ª¡¼¥×¥ó¤¹¤ë
¤È¡¢Ä̾ï¾¤Î¥×¥í¥»¥¹¤Ë¤è¤Ã¤ÆƱ¤¸FIFO¤¬½ñ¤­¹þ¤ßÍѤ˥ª¡¼¥×¥ó¤µ¤ì¤ë¤Þ¤Ç¥Ö
¥í¥Ã¥¯¤µ¤ì¡¢µÕ¤Î¾ì¹ç¤âƱÍͤǤ¢¤ë¡£
FIFO¥¹¥Ú¥·¥ã¥ë¥Õ¥¡¥¤¥ë¤ò¥Ö¥í¥Ã¥¯¤»¤º¤Ë°·¤¦ÊýË¡¤Ë¤Ä¤¤¤Æ¤Ï
.BR fifo (7)
¤ò»²¾È¤Î¤³¤È¡£
.SH ÊÖ¤êÃÍ
À®¸ù¤·¤¿¾ì¹ç
.BR mkfifo ()
¤Ï 0 ¤òÊÖ¤¹¡£
¥¨¥é¡¼¤Î¾ì¹ç \-1 ¤òÊÖ¤¹ (¤Þ¤¿ \fIerrno\fP ¤¬Å¬ÀÚ¤ËÀßÄꤵ¤ì¤ë)¡£
.SH ¥¨¥é¡¼
.TP
.B EACCES
\fIpathname\fP ¤ÎÃæ¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Î°ì¤Ä¤ËÂФ·¸¡º÷(¼Â¹Ô)µö²Ä¤¬¤Ê¤¤¡£
.TP
.B EEXIST
\fIpathname\fP ¤¬¤¹¤Ç¤Ë¸ºß¤¹¤ë¡£
¤³¤ì¤Ë¤Ï¡¢
.I pathname
¤¬(¥ê¥ó¥¯Àڤ줫¤É¤¦¤«¤Ë´Ø¤ï¤é¤º)¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤Ç¤¢¤ë¾ì¹ç¤â´Þ¤à¡£
.TP
.B ENAMETOOLONG
\fIpathname\fP ¤ÎŤµ¤¬ \fBPATH_MAX\fP ¤òĶ¤¨¤Æ¤¤¤ë¤«¡¢¸Ä¡¹¤Î¥Õ¥¡¥¤¥ë
̾Éôʬ¤ÎŤµ¤¬ \fBNAME_MAX\fP ¤òĶ¤¨¤Æ¤¤¤ë¡£GNU¥·¥¹¥Æ¥à¤Ë¤ª¤¤¤Æ¤Ï¡¢¥Õ¥¡
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¤Ë¤è¤Ã¤Æ¤Ï³ÆÉôʬ¤ÎŤµ¤ËÀ©¸Â¤Î¤¢¤ë²ÄǽÀ­¤¬¤¢¤ë¡£
.TP
.B ENOENT
\fIpathname\fP ¤ÎÃæ¤Î¥Ç¥£¥ì¥¯¥È¥êÉôʬ¤¬Â¸ºß¤·¤Ê¤¤¤«¡¢¥ê¥ó¥¯Àè¤Î¤Ê¤¤¥·
¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤Ç¤¢¤ë¡£
.TP
.B ENOSPC
¥Ç¥£¥ì¥¯¥È¥ê¤Þ¤¿¤Ï¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ë¿·µ¬¥Õ¥¡¥¤¥ë¤òºîÀ®¤¹¤ë;ÃϤ¬¤Ê¤¤¡£
.TP
.B ENOTDIR
\fIpathname\fP Ãæ¤Ç¥Ç¥£¥ì¥¯¥È¥ê¤È¤·¤Æ»ÈÍѤµ¤ì¤Æ¤¤¤ëÉôʬ¤¬¼ÂºÝ¤Ë¤Ï¥Ç¥£
¥ì¥¯¥È¥ê¤Ç¤Ï¤Ê¤¤¡£
.TP
.B EROFS
\fIpathname\fP ¤¬Æɤ߼è¤êÀìÍѤΥե¡¥¤¥ë¥·¥¹¥Æ¥à¤ò»Ø¤·¤Æ¤¤¤ë¡£
.SH ½àµò
POSIX.1-2001.
.SH ´ØÏ¢¹àÌÜ
.BR mkfifo (1),
.BR close (2),
.BR open (2),
.BR read (2),
.BR stat (2),
.BR umask (2),
.BR write (2),
.BR mkfifoat (3),
.BR fifo (7)