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syslog
Langue: ja
Version: 2002-01-03 (openSuse - 09/10/07)
Section: 3 (Bibliothèques de fonctions)
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closelog, openlog, syslog - ¥·¥¹¥Æ¥à¥í¥¬¡¼¤Ë¥á¥Ã¥»¡¼¥¸¤òÁ÷¤ë½ñ¼°
#include <syslog.h>void openlog(const char *ident, int option, int facility);
void syslog(int priority, const char *format, ...);
void closelog(void);
#define _BSD_SOURCE
#include <stdarg.h>
void vsyslog(int priority, const char *format, va_list ap);
ÀâÌÀ
closelog() ¤Ï¥·¥¹¥Æ¥à¤Î¥í¥°µÏ¿ÍÑ¥×¥í¥°¥é¥à(¥·¥¹¥Æ¥à¥í¥¬¡¼ syslogd(8)) ¥Ø¤ÎÀܳ¤ò½ªÎ»¤¹¤ë¡£ closelog() ¤Ïɬ¿Ü¤Ç¤Ï¤Ê¤¤¡£openlog() ¤Ï¥í¥°¤ò½ÐÎϤ·¤è¤¦¤È¤·¤Æ¤¤¤ë¥×¥í¥°¥é¥à¤«¤é¥í¥°µÏ¿ÍÑ¥×¥í¥°¥é¥à¤Ø¤Î Àܳ¤ò³«»Ï¤¹¤ë¡£ ident ¤Ç»ØÄꤷ¤¿Ê¸»úÎó(Ä̾ï¤Ï openlog() ¤·¤¿¥×¥í¥°¥é¥à¤Î̾Á°)¤Ï¥í¥°½ÐÎϤΰìʸ°ìʸ¤ËÄɲ䵤졢¤É¤Î¥×¥í¥°¥é¥à ¤¬½ÐÎϤ·¤¿¥í¥°¤«¤ò¼±Ê̤¹¤ë¤¿¤á¤Ë»È¤ï¤ì¤ë¡£ option °ú¤¿ô¤Ï¡¢ openlog() ¤ÎÆ°ºî¤È¤½¤Î¸å¤Î syslog() ¤Î¸Æ¤Ó½Ð¤·¤òÀ©¸æ¤¹¤ë¥Õ¥é¥°¤ò»ØÄꤹ¤ë¡£ facility °ú¤¿ô¤Ï¡¢¸å¤Ç syslog() ¤ò¸Æ¤Ó½Ð¤¹ºÝ¤Ë facility ¤¬»ØÄꤵ¤ì¤Ê¤«¤Ã¤¿¾ì¹ç¤Ë»ÈÍѤµ¤ì¤ë ¥Ç¥Õ¥©¥ë¥ÈÃͤò·èÄꤹ¤ë¡£ option ¤È facility ¤Ë¤Ä¤¤¤Æ¤Ï¸å½Ò¤¹¤ë¡£ openlog() ¤Ïɬ¿Ü¤Ç¤Ï¤Ê¤¯¡¢É¬Íפ˱þ¤¸¤Æ syslog() ¤«¤é¸Æ¤Ó½Ð¤µ¤ì¤ë¡£ syslog() ¤¬¸Æ¤Ó½Ð¤·¤¿¾ì¹ç¡¢ ident ¤Î¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ï NULL ¤Ë¤Ê¤ë¡£
syslog() ¤Ï¥í¥°¥á¥Ã¥»¡¼¥¸¤ò½ÐÎϤ·¡¢ syslogd(8) ¤¬¤½¤Î¥á¥Ã¥»¡¼¥¸¤òµÏ¿¤¹¤ë¡£ priority °ú¤¿ô¤Ï facility ¤È level ¤È¤ÎÁȹ礻¤Ç»ØÄꤹ¤ë¡£ facility ¤È level ¤Î¼è¤ê¤¦¤ëÃͤϸå½Ò¤¹¤ë¡£ »Ä¤ê¤Î format °ú¤¿ô¤Ï printf(3) ¤È»÷¤¿¥¹¥¿¥¤¥ë¤Î½ñ¼°¤È¤½¤Î½ñ¼°¤ËÍ¿¤¨¤ëÃͤǤ¢¤ë¡£ format Ãæ¤Î2ʸ»ú %m ¤Ï¤½¤Î»þÅÀ¤Ç¤Î errno ¤Ë´ØÏ¢¤¹¤ë¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸Ê¸»úÎó (strerror) ¤Ë¤è¤Ã¤ÆÃÖ¤´¹¤¨¤é¤ì¤ë¡£ ɬÍפʾì¹ç¤ÏËöÈø¤Ë²þ¹Ô¤¬²Ã¤¨¤é¤ì¤ë¡£ vsyslog() ´Ø¿ô¤Ï syslog() ¤ÈƱ¤¸µ¡Ç½¤ò»ý¤Ä¤¬¡¢²ÄÊÑ°ú¤¿ô¥ê¥¹¥È¤ò»ØÄꤹ¤ë¤³¤È¤¬¤Ç¤¤ëÅÀ¤¬°Û¤Ê¤ë¡£ »ØÄꤵ¤ì¤¿°ú¤¿ô¤Ï¡¢ stdarg(3) ²ÄÊÑ°ú¤¿ô¥ê¥¹¥È¥Þ¥¯¥í¤òÍѤ¤¤Æ¼èÆÀ¤µ¤ì¤ë¡£
°Ê²¼¤Î¥µ¥Ö¥»¥¯¥·¥ç¥ó¤Ç¤Ï¡¢ option ¤È facility ¤È priority ¤ÎÃͤòÀßÄꤹ¤ë¤Î¤Ë»ÈÍѤµ¤ì¤ë¥Ñ¥é¥á¡¼¥¿¤òÀâÌÀ¤¹¤ë¡£
option
²¼µ¤ÎÃͤò OR ¤·¤¿¤â¤Î¤¬ openlog() ¤Î option °ú¤¿ô¤Ë¤Ê¤ë:- LOG_CONS
- ¥¨¥é¡¼¤¬¤¢¤ì¤Ð¡¢¥·¥¹¥Æ¥à¥í¥¬¡¼¤ËÁ÷¤ë°ìÊý¤Ç¥·¥¹¥Æ¥à¥³¥ó¥½¡¼¥ë¤Ë¤âľÀܽñ¤¯¡£
- LOG_NDELAY
- ¥í¥°µÏ¿ÍÑ¥×¥í¥°¥é¥à¤È¤ÎÀܳ¤ò¨ºÂ¤Ë³«»Ï¤¹¤ë (Ä̾ï¤Ï¡¢ºÇ½é¤Î¥á¥Ã¥»¡¼¥¸¤¬µÏ¿¤µ¤ì¤ë»þ¤ËÀܳ¤ò³«¤¯)¡£
- LOG_NOWAIT
- ¥á¥Ã¥»¡¼¥¸¤òµÏ¿¤¹¤ëºÝ¤ËÀ¸À®¤µ¤ì¤ë»Ò¥×¥í¥»¥¹¤Î½ªÎ»¤òÂÔ¤¿¤Ê¤¤¡£ (GNU C ¥é¥¤¥Ö¥é¥ê¤Ï»Ò¥×¥í¥»¥¹¤òÀ¸À®¤·¤Ê¤¤¡£ ¤·¤¿¤¬¤Ã¤Æ¡¢¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï Linux ¤Ç¤Ï̵¸ú¤Ç¤¢¤ë¡£)
- LOG_ODELAY
- LOG_NDELAY ¤ÎÈ¿ÂС£ syslog() ¤¬¸Æ¤Ð¤ì¤ë¤Þ¤Ç¡¢Àܳ¤Î³«»Ï¤ò¹Ô¤ï¤Ê¤¤¡£ (¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï¥Ç¥Õ¥©¥ë¥È¤Ç¤¢¤ê¡¢Æä˻ØÄꤹ¤ëɬÍפϤʤ¤¡£)
- LOG_PERROR
- stderr ¤Ë¤â½ÐÎϤ¹¤ë¡£(POSIX.1-2001 ¤Ç¤ÏÄêµÁ¤µ¤ì¤Æ¤¤¤Ê¤¤)
- LOG_PID
- ¸Ä¡¹¤Î¥á¥Ã¥»¡¼¥¸¤Ë PID ¤ò´Þ¤á¤ë¡£
facility
facility °ú¤¿ô¤Ï¥á¥Ã¥»¡¼¥¸¤ËµÏ¿¤µ¤ì¤ë¥×¥í¥°¥é¥à¤Î¥¿¥¤¥×¤ò»ØÄꤹ¤ë¤¿¤á¤Ë»È¤ï¤ì¤ë¡£ ¤³¤ì¤Ë¤è¤Ã¤Æ°Û¤Ê¤ë¥¿¥¤¥×¤Î¥×¥í¥°¥é¥à¤«¤é¤Î¥á¥Ã¥»¡¼¥¸¤Ï°Û¤Ê¤ë°·¤¤¤ò ¤¹¤ë¤è¤¦¤ËÀßÄê¥Õ¥¡¥¤¥ë( syslog.conf(5)) ¤ËÄêµÁ¤Ç¤¤ë¡£- LOG_AUTH
- ¥»¥¥å¥ê¥Æ¥£/ǧ¾Ú ¥á¥Ã¥»¡¼¥¸ (Èó¿ä¾©¡£Âå¤ï¤ê¤Ë LOG_AUTHPRIV ¤ò»ÈÍѤ¹¤ë¤³¤È)
- LOG_AUTHPRIV
- ¥»¥¥å¥ê¥Æ¥£/ǧ¾Ú ¥á¥Ã¥»¡¼¥¸ (¥×¥é¥¤¥Ù¡¼¥È)
- LOG_CRON
- ¥¯¥í¥Ã¥¯¥Ç¡¼¥â¥ó (cron ¤È at)
- LOG_DAEMON
- ÆÃÄê¤Î facility Ãͤò»ý¤¿¤Ê¤¤¥·¥¹¥Æ¥à¥Ç¡¼¥â¥ó
- LOG_FTP
- ftp ¥Ç¡¼¥â¥ó
- LOG_KERN
- ¥«¡¼¥Í¥ë¥á¥Ã¥»¡¼¥¸
- LOG_LOCAL0 ¤«¤é LOG_LOCAL7
- ¥í¡¼¥«¥ë¤Ê»ÈÍѤΤ¿¤á¤Ë¥ê¥¶¡¼¥Ö¤µ¤ì¤Æ¤¤¤ë
- LOG_LPR
- ¥é¥¤¥ó¥×¥ê¥ó¥¿¡¦¥µ¥Ö¥·¥¹¥Æ¥à
- LOG_MAIL
- ¥á¡¼¥ë¡¦¥µ¥Ö¥·¥¹¥Æ¥à
- LOG_NEWS
- USENET ¥Ë¥å¡¼¥¹¡¦¥µ¥Ö¥·¥¹¥Æ¥à
- LOG_SYSLOG
- syslogd ¤Ë¤è¤Ã¤ÆÆâÉôŪ¤Ëȯ¹Ô¤µ¤ì¤ë¥á¥Ã¥»¡¼¥¸
- LOG_USER (¥Ç¥Õ¥©¥ë¥È)
- °ìÈÌŪ¤Ê¥æ¡¼¥¶¥ì¥Ù¥ë¥á¥Ã¥»¡¼¥¸
- LOG_UUCP
- UUCP¥µ¥Ö¥·¥¹¥Æ¥à
level
¤³¤ì¤Ï¥á¥Ã¥»¡¼¥¸¤ÎÍ¥ÀèÅÙ¤ò»ØÄꤹ¤ë¡£ Í¥ÀèÅ٤ι⤤¤â¤Î¤«¤éÄ㤤¤â¤Î¤Î½ç¤Ç²¼µ¤¹¤ë¡£- LOG_EMERG
- ¥·¥¹¥Æ¥à¤¬»ÈÍÑÉÔ²Ä
- LOG_ALERT
- ľ¤Á¤Ë¹ÔÆ°¤òµ¯¤³¤µ¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤
- LOG_CRIT
- ´í¸±¤Ê¾õÂÖ
- LOG_ERR
- ¥¨¥é¡¼¤Î¾õÂÖ
- LOG_WARNING
- ¥ï¡¼¥Ë¥ó¥°¤Î¾õÂÖ
- LOG_NOTICE
- Ä̾ï¤À¤¬½ÅÍפʾõÂÖ
- LOG_INFO
- ¥¤¥ó¥Õ¥©¥á¡¼¥·¥ç¥ó¥á¥Ã¥»¡¼¥¸
- LOG_DEBUG
- ¥Ç¥Ð¥Ã¥°¥ì¥Ù¥ë¤Î¥á¥Ã¥»¡¼¥¸
setlogmask(3) ´Ø¿ô¤ò»ÈÍѤ·¤Æ¡¢ »ØÄꤵ¤ì¤¿¥ì¥Ù¥ë¤Î¥á¥Ã¥»¡¼¥¸¤À¤±¤òµÏ¿¤¹¤ë¤è¤¦¤Ë À©¸Â¤¹¤ë¤³¤È¤¬¤Ç¤¤ë¡£
½àµò
openlog(), closelog(), syslog() ¤Ï SUSv2 ¤È POSIX.1-2001 ¤Çµ¬Äꤵ¤ì¤Æ¤¤¤ë (⤷ vsyslog() ¤Ï½ü¤¯)¡£ POSIX.1-2001 ¤Ç¤Ï facility ¤È¤·¤Æ LOG_USER ¤È LOG_LOCAL* ¤ÎÃͤ¬µ¬Äꤵ¤ì¤Æ¤¤¤ë¤À¤±¤Ç¤¢¤ë¡£ ¤·¤«¤·¤Ê¤¬¤é¡¢ LOG_AUTHPRIV ¤È LOG_FTP ¤È¤¤¤¦Îã³°¤Ï¤¢¤ë¤¬¡¢ ¤½¤ì°Ê³°¤Î facility ¤ÎÃͤÏ¿¤¯¤Î Unix ¥·¥¹¥Æ¥à¤Ç»È¤ï¤ì¤Æ¤¤¤ë¡£ option ¤ÎÃͤΠLOG_PERROR ¤ÎÃͤϡ¢ POSIX.1-2001 ¤Ç¤Ïµ¬Äꤵ¤ì¤Æ¤¤¤Ê¤¤¤¬¡¢ Unix ¤Î¿¤¯¤Î¥Ð¡¼¥¸¥ç¥ó¤Ç»ÈÍѲÄǽ¤Ç¤¢¤ë¡£Ãí°Õ
openlog() ¸Æ¤Ó½Ð¤·¤Î ident °ú¤¿ô¤Ï¡¢Ãͤ¬¤½¤Î¤Þ¤ÞÊÝ»ý¤µ¤ì¤Æ¤¤¤ë¤³¤È¤òÁ°Äó¤Ë¤·¤Æ¤¤¤ë¡£ ¤½¤ì¤æ¤¨¡¢ ident ¤Ç»ØÄꤵ¤ì¤¿Ê¸»úÎó¤¬Êѹ¹¤µ¤ì¤ë¤È¡¢ syslog() ¤ÏÊѹ¹¤µ¤ì¤¿Ê¸»úÎó¤ÎÄɲ乤ë¤À¤í¤¦¤·¡¢ »ØÄꤵ¤ì¤¿Ê¸»úÎó¤¬Â¸ºß¤·¤Ê¤¯¤Ê¤Ã¤¿¾ì¹ç¡¢·ë²Ì¤Ï̤ÄêµÁ¤Ç¤¢¤ë¡£ ºÇ¤â°Ü¿¢À¤¬¤¢¤ëÊýË¡¤Ï¡¢Ê¸»úÎóÄê¿ô¤ò»ÈÍѤ¹¤ë¤³¤È¤Ç¤¢¤ë¡£¥æ¡¼¥¶¡¼¤«¤éÍ¿¤¨¤é¤ì¤¿¥Ç¡¼¥¿¤ò format ¤È¤·¤ÆÅϤ·¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£ Âå¤ï¤ê¤Ë
- syslog(priority, "%s", string);
´ØÏ¢¹àÌÜ
logger(1), setlogmask(3), syslog.conf(5), feature_test_macros(7), syslogd(8)Contenus ©2006-2024 Benjamin Poulain
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