alarm

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Langue: ja

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Version: 1993-07-21 (openSuse - 09/10/07)

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Section: 2 (Appels système)

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alarm - ¥·¥°¥Ê¥ëÇÛÁ÷¤Î¤¿¤á¤Î¥¢¥é¡¼¥à¡¦¥¯¥í¥Ã¥¯¤òÀßÄꤹ¤ë

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#include <unistd.h>



unsigned int alarm(unsigned int seconds);

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alarm() ¤Ï SIGALRM ¥·¥°¥Ê¥ë¤ò seconds Éøå¤Ë¥×¥í¥»¥¹¤ËÇÛÁ÷¤¹¤ë¤è¤¦¤Ë¼êÇÛ¤¹¤ë¡£

seconds ¤¬¥¼¥í¤Ê¤é¤Ð¡¢¿·¤¿¤Ê alarm() ¤Ï¼êÇÛ¤µ¤ì¤Ê¤¤¡£

º£¤Þ¤Ç¤ËÀßÄꤵ¤ì¤Æ¤¤¤¿ alarm() ¤ÏÃæÃǤµ¤ì¤ë¡£

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alarm() ¤Ï°ÊÁ°¤ËͽÄꤵ¤ì¤Æ¤¤¤¿¥¢¥é¡¼¥à¤ÎÇÛÁ÷¤Þ¤Ç¤Î»Ä¤ê»þ´Ö¤òÊÖ¤¹¡£°ÊÁ°¤Ë ¥¢¥é¡¼¥à¤¬Í½Äꤵ¤ì¤Æ¤¤¤Ê¤±¤ì¤Ð¥¼¥í¤òÊÖ¤¹¡£

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SVr4, POSIX.1-2001, 4.3BSD

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alarm() ¤È setitimer(2) ¤ÏƱ¤¸¥¿¥¤¥Þ¡¼¤ò¶¦Í­¤·¤Æ¤¤¤ë; ÊÒÊý¤ò¸Æ¤Ó½Ð¤¹¤³¤È¤Ï¤â¤¦°ìÊý¤Î »ÈÍѤ˱ƶÁ¤òÍ¿¤¨¤ë¡£

sleep(3) ¤Ï SIGALRM ¤òÍøÍѤ·¤Æ¼ÂÁõ¤µ¤ì¤Æ¤¤¤ë¤«¤â¤·¤ì¤Ê¤¤¡£ alarm() ¤È sleep(3) ¤òº®¤¼¤Æ»ÈÍѤ·¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£

¥¹¥±¥¸¥å¡¼¥ê¥ó¥°(scheduling)¤ÎÃÙ±ä¤Ë¤è¤ê¡¢¥×¥í¥»¥¹¤Î¼Â¹Ô¤ËÉÔÄêÎ̤ΠÃٱ䤬µ¯¤­¤ë²ÄǽÀ­¤¬¤¢¤ë¡£

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gettimeofday(2), pause(2), select(2), setitimer(2), sigaction(2), signal(2), sleep(3), time(7)