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Detect Diff Time

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ÀÛ¼ºÀÚ: Á¶ÀçÇõ (minzkn,Mminzkn_at_infoeq.com)

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  • ƯÁ¤ ÇÁ·Î¼¼½º°¡ ¿ÜºÎ·ÎºÎÅÍÀÇ ±âÁؽð£ ÂüÁ¶ ¾øÀÌ ½Ã°£ÀÌ ¼öÁ¤µÈ°ÍÀ» °¨ÁöÇϱâ À§ÇÑ ¹æ¹ýÀ» ¸ð»öÇغ¾½Ã´Ù.
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UPTIME°ú System clock°úÀÇ ½Ã°£Â÷


  • ½Ã°£ÀÌ º¯°æµÇ´õ¶óµµ UptimeÀº Ç×»ó ½Ã°£À» À¯ÁöÇÑ´Ù´Â Á¡¿¡ Âø¾ÈÇÏ¿© uptime°ú System clock°£ÀÇ ½Ã°£ °£°ÝÀ» ±â·ÏÇØµÎ°í ½Ã°£ÀÌ º¯°æµÇ¸é System clock¸¸ÀÌ º¯°æµÇ¹Ç·Î ±× ½Ã°£Â÷°¡ ¹ú¾îÁö°Å³ª Á¼ÇôÁö´Â °ÍÀ» ¾Ë¼ö ÀÖ°Ô µÉ°Ì´Ï´Ù. ÇÊÀÚ´Â ÀÌ·¯ÇÑ Á¡À» Âø¾ÈÇÏ¿© ´ÙÀ½°ú °°Àº Äڵ带 »ý¼ºÇغýÀ´Ï´Ù.

/* By JaeHyuk Cho <minzkn@infoeq.com> */
int CheckTime(void)
{
 const time_t c_TimeWidth = 2; /* ½Ã°£ ¿ÀÂ÷À² : Àû¾îµµ 1ÃÊ ÀÌ»óÀº µÇ¾î¾ß µÇ°ÚÁÒ..? */
 static time_t s_DiffTime = (time_t)(0);
 time_t s_SystemTime, s_CurrentDiffTime;
 time((time_t *)(&s_SystemTime));
 if(sysinfo(&s_SystemInfo) == 0)
 {
  if(s_DiffTime == (time_t)(0))
  {
   s_DiffTime = s_SystemTime - s_SystemInfo.uptime;
   return(0); /* Ã¹¹ø° load */
  }
 }
 s_CurrentDiffTime = s_SystemTime - s_SystemInfo.uptime;
 if( (s_CurrentDiffTime - c_TimeWidth) < s_DiffTime && (s_CurrentDiffTime + c_TimeWidth) > s_DiffTime)return(0); /* º¯°æ ¾ÈµÇ¾úÀ½ */
 return(1); /* º¯°æµÇ¾úÀ½ */
}


  • ¹®Á¦Á¡: À§ÀÇ ÄÚµå´Â ÀÏ´Ü ¹®Á¦Á¡ÀÌ ÃÊ´ÜÀ§ÀÇ Çػ󵵹ۿ¡ °ËÃâÇÏÁö ¸øÇÕ´Ï´Ù. º¸´Ù ÁÁÀº ¹æ¹ýÀ» ¾Ë°í °è½Å´Ù¸é ²À ¸®Çà ´Þ¾ÆÁÖ¼¼¿ä.
    • Á¦¾È: times ¸¦ ÀÌ¿ëÇÑ 1000/HZ ´ÜÀ§ Çػ󵵱îÁöÀÇ °ËÃâÀ» ¸ð»ö°¡´É. ´Ü, times °¡ jiffies ¿¡ ÀÇÁ¸ÇÏ´Â arch °¡ ¾Æ´Ñ °æ¿ì¿¡´Â »ç¿ëºÒ°¡.

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  • º» ¹®¼­ÀÇ ÃÖ±Ù¹öÁ¯Àº [http]http://minzkn.pe.ky ¿¡¼­ ±¸ÇÒ¼ö ÀÖ½À´Ï´Ù.

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