mkfifo

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Langue: ja

Autres versions - même langue

Version: 1995-09-03 (openSuse - 09/10/07)

Autres sections - même nom

Section: 3 (Bibliothèques de fonctions)

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mkfifo - FIFO¥¹¥Ú¥·¥ã¥ë¥Õ¥¡¥¤¥ë(̾Á°ÉÕ¤­¥Ñ¥¤¥×)¤òºîÀ®¤¹¤ë

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#include <sys/types.h>

#include <sys/stat.h>



int mkfifo(const char *pathname, mode_t mode);

ÀâÌÀ

mkfifo() ¤Ï̾Á° pathname ¤ò»ý¤ÄFIFO¥¹¥Ú¥·¥ã¥ë¥Õ¥¡¥¤¥ë¤òºîÀ® ¤¹¤ë¡£FIFO¤Îµö²Ä¥â¡¼¥É¤Ï mode ¤Ç»ØÄꤵ¤ì¡¢¥×¥í¥»¥¹¤Î umask ¤Ë¤è¤Ã¤ÆÄ̾ï¤ÎÊý¼°¤ÇÊѹ¹¤ò¼õ¤±¤ë: ºîÀ®¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¤Îµö²Ä ¥â¡¼¥É¤Ï (mode & ~umask) ¤È¤Ê¤ë¡£

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¤¯¡¢ mkfifo() ¤Î¸Æ¤Ó½Ð¤·¤Ë¤è¤ê¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÎÃæ¤Ë²Ã¤¨¤é¤ì¤ë¡£

¤Ò¤È¤¿¤Ó¤³¤Î¤è¤¦¤Ë¤·¤ÆFIFO¥¹¥Ú¥·¥ã¥ë¥Õ¥¡¥¤¥ë¤¬ºîÀ®¤µ¤ì¤ë¤È¡¢Ä̾ï¤Î¥Õ¥¡ ¥¤¥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 fifo(7) ¤ò»²¾È¤Î¤³¤È¡£

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À®¸ù¤·¤¿¾ì¹ç mkfifo() ¤Ï 0 ¤òÊÖ¤¹¡£ ¥¨¥é¡¼¤Î¾ì¹ç -1 ¤òÊÖ¤¹ (¤Þ¤¿ errno ¤¬Å¬ÀÚ¤ËÀßÄꤵ¤ì¤ë)¡£

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EACCES
pathname ¤ÎÃæ¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Î°ì¤Ä¤ËÂФ·¸¡º÷(¼Â¹Ô)µö²Ä¤¬¤Ê¤¤¡£
EEXIST
pathname ¤¬¤¹¤Ç¤Ë¸ºß¤¹¤ë¡£
ENAMETOOLONG
pathname ¤ÎŤµ¤¬ PATH_MAX ¤òĶ¤¨¤Æ¤¤¤ë¤«¡¢¸Ä¡¹¤Î¥Õ¥¡¥¤¥ë ̾Éôʬ¤ÎŤµ¤¬ NAME_MAX ¤òĶ¤¨¤Æ¤¤¤ë¡£GNU¥·¥¹¥Æ¥à¤Ë¤ª¤¤¤Æ¤Ï¡¢¥Õ¥¡ ¥¤¥ë̾¤ÎÁ´ÂΤÎŤµ¤ËÂФ·¤Æ¤ÏÀ©¸Â¤Ï²Ý¤»¤é¤ì¤Æ¤¤¤Ê¤¤¤¬¡¢¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à ¤Ë¤è¤Ã¤Æ¤Ï³ÆÉôʬ¤ÎŤµ¤ËÀ©¸Â¤Î¤¢¤ë²ÄǽÀ­¤¬¤¢¤ë¡£
ENOENT
pathname ¤ÎÃæ¤Î¥Ç¥£¥ì¥¯¥È¥êÉôʬ¤¬Â¸ºß¤·¤Ê¤¤¤«¡¢¥ê¥ó¥¯Àè¤Î¤Ê¤¤¥· ¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤Ç¤¢¤ë¡£
ENOSPC
¥Ç¥£¥ì¥¯¥È¥ê¤Þ¤¿¤Ï¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ë¿·µ¬¥Õ¥¡¥¤¥ë¤òºîÀ®¤¹¤ë;ÃϤ¬¤Ê¤¤¡£
ENOTDIR
pathname Ãæ¤Ç¥Ç¥£¥ì¥¯¥È¥ê¤È¤·¤Æ»ÈÍѤµ¤ì¤Æ¤¤¤ëÉôʬ¤¬¼ÂºÝ¤Ë¤Ï¥Ç¥£ ¥ì¥¯¥È¥ê¤Ç¤Ï¤Ê¤¤¡£
EROFS
pathname ¤¬Æɤ߼è¤êÀìÍѤΥե¡¥¤¥ë¥·¥¹¥Æ¥à¤ò»Ø¤·¤Æ¤¤¤ë¡£

½àµò

POSIX.1-2001.

´ØÏ¢¹àÌÜ

mkfifo(1), close(2), open(2), read(2), stat(2), umask(2), write(2), mkfifoat(3), fifo(7)