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PIPE

Section: Linux Programmer's Manual (2)
Updated: 23 July 1993
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pipe - ¥Ñ¥¤¥×¤òÀ¸À®¤¹¤ë

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#include <unistd.h>

int pipe(int filedes[2]);

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pipe ¤Ï¥Ñ¥¤¥×¤Î inode ¤ò»Ø¤¹¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¡¼(descripter)¤ÎÁÈ¤òÀ¸ À®¤·¡¢¤½¤Î¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¡¼¤ò filedes ¤Ç¼¨¤µ¤ì¤ëÇÛÎó¤Ë³ÊÇ¼¤¹¤ë¡£

filedes[0] ¤Ë¤ÏÆÉ¤ß½Ð¤·ÍÑ¡¢ filedes[1] ¤Ë¤Ï½ñ¤¹þ¤ßÍÑ¤Î¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¡¼¤¬³ÊÇ¼¤µ¤ì¤ë¡£

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À®¸ù¤·¤¿¾ì¹ç 0 ¤¬ÊÖ¤ë¡£¼ºÇÔ¤·¤¿¾ì¹ç -1 ¤¬ÊÖ¤ê¡¢ errno ¤¬¥¨¥é¡¼¤ÎÆâÍÆ¤Ë½¾¤Ã¤ÆÀßÄê¤µ¤ì¤ë¡£

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EMFILE: ¤³¤Î¥×¥í¥»¥¹¤Ç»È¤ï¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¡¼¤¬Â¿¤¹¤®¤ë¡£
ENFILE: ¥·¥¹¥Æ¥à¤Î¥Õ¥¡¥¤¥ë¥Æ¡¼¥Ö¥ë¤¬°ìÇÕ¤Ç¤¢¤ë¡£
EFAULT: filedes ¤¬Ìµ¸ú¤ÊÃÍ¤Ç¤¢¤ë¡£

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SVr4, SVID, AT&T, POSIX, X/OPEN, BSD 4.3

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read(2), write(2), fork(2), socketpair(2)

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