FIFO 7 2016-12-12
FIFO
NAMEæè¿°
注é
åè§
è·
NAME
fifo - åè¿ååºçç¹æ®æä»¶, å½å管é
æè¿°
ä¸ä¸ªåè¿ååºï¼FIFOï¼çç¹æ®æä»¶ï¼ä¸ä¸ªå½å管éï¼ç±»ä¼¼ä¸ä¸ªç®¡éï¼ä½å®æ¯ä½ä¸ºæä»¶ç³»ç»ç ä¸é¨åæ¥è®¿é®çã å¯ä»¥åæ¶æå¤ä¸ªè¿ç¨æå¼å®è¿è¡è¯»åãå½è¿ç¨é´éè¿ FIFO äº¤æ¢æ°æ®æ¶ï¼åæ ¸ä¼å¨å¶åé¨ä¼ é æææ°æ®ï¼èä¸ä¼åå¥æä»¶ç³»ç»ãå³ï¼FIFO ç¹æ®æä»¶å¨æä»¶ç³»ç»ä¸æ²¡æä»»ä½åå®¹ï¼ æä»¶ç³»ç»ä¸- çæä»¶æ¡ç®åªæ¯ä½ä¸ºä¸ä¸ªåç§ç¹èå·²ï¼ä½¿å¾è¿ç¨å¯ä»¥ç¨æä»¶ç³»ç»ä¸çä¸ä¸ªåå 对å¶è¿è¡è®¿é®ã
åæ ¸ä¼ä¸ºè³å°æä¸ä¸ªè¿ç¨æå¼äºç FIFO ç¹æ®æä»¶ç»´æ¤åç¬ä¸ä¸ªç®¡é对象ã 卿°æ®ç»ç± FIFO ä¼ è¾ä¹åï¼FIFO ç两端ï¼è¯»ååï¼å¿é¡»åæ¶æå¼ã ä¸è¬æ¥è¯´ï¼æå¼ FIFO çè¡ä¸ºä¼é»å¡ï¼ç´è³å¦ä¸ç«¯ä¹è¢«æå¼ã
ä¸ä¸ªè¿ç¨å¯ä»¥ä½¿ç¨éé»å¡æ¨¡å¼æå¼ä¸ä¸ª FIFOãè¿ç§æåµä¸ï¼å³ä½¿å端没ææå¼ï¼ æå¼è¯»ç«¯è¿æ¯ä¼æåã使¯ï¼å¦æè¯»ç«¯æ²¡ææå¼ï¼æå¼å端ä¼å¤±è´¥ï¼å¹¶ä¸å¾å° ä¸ä¸ª ENXIO ï¼è®¾å¤æå°åä¸åå¨ï¼ã
å¨ Linux ä¸ï¼ä¸ç®¡æ¯é»å¡è¿æ¯éé»å¡æ¨¡å¼ï¼æå¼ä¸ä¸ª FIFO ç¨ä½åæ¶è¯»åé½ä¼æåã POSIX 对äºè¿ç§æåµæªè¿è¡å®ä¹ãè¿ä¸ªå¯ä»¥ç¨æ¥å¨è¯»ç«¯ä¸å¯ç¨çæåµä¸æå¼å端ã ä¸ä¸ªè¿ç¨å¨åæ¶ç¨åä¸ä¸ª FIFO ç两端æ¥å®ç°èªå·±åèªå·±éä¿¡çæ¶åè¦ç¹å«å°å¿ï¼ åºé¿ååºç°æ»éã
注é
å½ä¸ä¸ªè¿ç¨ä¼å¾å读端没ææå¼ç FIFO åæ°æ®çæ¶åï¼è¿ç¨ä¼æ¶å°ä¸ä¸ª SIGPIPE ä¿¡å·ã
FIFO ç¹æ®æä»¶å¯ä»¥ç¨ mkfifo(3) æ¥å建ï¼å¹¶ä¸ ls -l ä¼å¯¹å¶æ·»å ä¸ä¸ªç¹æ®æ è®°âpâè¿è¡æç¤ºã
åè§
mkfifo(1), open(2), pipe(2), sigaction(2), signal(2), socketpair(2), mkfifo(3), pipe(7)
è·
æ¬é¡µé¢åè±æçæ¯
Linux man-pages 项ç®
4.09
ççä¸é¨åã
å¦éäºè§£è¿ä¸ªé¡¹ç®çæè¿°ãæ±æ¥æ¼æ´çç¸å³ä¿¡æ¯åæ¬é¡µé¢çææ°çæ¬ï¼
请访é®
https://www.kernel.org/doc/man-pages/.
æ¬é¡µé¢ä¸æçç±ä¸æ
man
æå页计åæä¾ã
ç¿»è¯äººåï¼Boyuan
Yang <073plan@gmail.com>
è·åæ¥æï¼2016-12-12
ç¿»è¯æ¥æï¼2016-12-16
䏿 man
æå页计åï¼https://github.com/man-pages-zh/manpages-zh