 |
|
|
Home :: International :: Manuals :: Howto :: FAQ :: Man Pages :: Email Login |
CLOCK
Section: Linux Programmer's Manual (3)Updated: April 21, 1993
Index Return to Main Contents
̾Á°
clock - ¥×¥í¥»¥Ã¥µ»þ´Ö¤Î¼èÆÀ½ñ¼°
#include <time.h> clock_t clock(void);
ÀâÌÀ
clock() ¤Ï¥×¥í¥°¥é¥à¤Î»ÈÍѤ·¤¿¶á»÷Ū¤Ê¥×¥í¥»¥Ã¥µ»þ´Ö¤òÊÖ¤¹¡¥ÊÖ¤êÃÍ
ÊÖ¤êÃͤϤ½¤Î¤Þ¤Þ¤Ç¤Ï clock_t ¤È¤·¤Æ¤ÎCPU»þ´Ö¤Ç¤¢¤ë¡¥ ÉÃñ°Ì¤Ç¤ÎÃͤòÆÀ¤ë¤¿¤á¤Ë¤Ï CLOCKS_PER_SEC ¤Ç³ä¤ë¡¥ »ÈÍѤ·¤¿¥×¥í¥»¥Ã¥µ»þ´Ö¤¬ÆÀ¤é¤ì¤Ê¤¤¾ì¹ç¤ä¡¢¤½¤ÎÃͤòɽ¸½¤Ç¤¤Ê¤¤¾ì¹ç¤Ë¤Ï ¤³¤Î´Ø¿ô¤Ï (clock_t)-1 ¤òÊÖ¤¹¡£½àµò
ANSI C POSIX ¤Ï¼ÂºÝ¤ÎÀºÅ٤ˤϤè¤é¤º CLOCKS_PER_SEC ¤¬ 1000000 ¤Ç¤¢¤ë¤³¤È¤ò Í׵ᤷ¤Æ¤¤¤ë¡£Ãí°Õ
C ¤Îɸ½àµ¬³Ê¤Ç¤Ï¥×¥í¥°¥é¥à¤Î³«»Ï¤Î»þÅÀ¤Ç¤Ï¤É¤ó¤ÊÃͤ¬Ê֤äƤ¤Æ¤â¤«¤Þ¤ï ¤Ê¤¤¡¥ ºÇÂç¸Â¤Î°Ü¿¢À¤ò³ÎÊݤ¹¤ë¤¿¤á¤Ë¤Ï¥×¥í¥°¥é¥à¤Î³«»Ï»þ¤Ë clock() ¤ò¸Æ¤Ó½Ð¤·¤Æ¤½¤ÎÃͤòº¹¤·°ú¤¯¤³¤È¡£times() ´Ø¿ô¤Ï¤è¤ê¤¿¤¯¤µ¤ó¤Î¾ðÊó¤òÊÖ¤¹¡¥
´ØÏ¢¹àÌÜ
getrusage(2), times(2)