.\" Written  Feb 1994 by Steve Greenland (stevegr@neosoft.com)
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date.  The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein.  The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Updated 1999.12.19 by Karl M. Hegbloom <karlheg@debian.org>
.\"
.\" Updated 13 Oct 2001, Michael Kerrisk <mtk.manpages@gmail.com>
.\"	Added description of vsyslog
.\"	Added descriptions of LOG_ODELAY and LOG_NOWAIT
.\"	Added brief description of facility and option arguments
.\"	Added CONFORMING TO section
.\" 2001-10-13, aeb, minor changes
.\" Modified 13 Dec 2001, Martin Schulze <joey@infodrom.org>
.\" Modified 3 Jan 2002, Michael Kerrisk <mtk.manpages@gmail.com>
.\"
.\" Japanese Verion Copyright (c) 1996 Shoichi OZAWA
.\"	all right reserved.
.\" Translated Sep 1 20:14:01 JST 1996
.\"	by Shoichi OZAWA <ozawa@omika.hitachi.co.jp>
.\" Updated Thu Oct 18 01:00:02 JST 2001
.\"     by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\" Updated Fri Jan 4 22:15:21 JST 2002
.\"     by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\" Updated 2002-04-14 by Kentaro Shirakata <argrath@ub32.org>
.\" Updated 2007-01-01 by Kentaro Shirakata <argrath@ub32.org>
.\"
.TH SYSLOG 3 2007-07-26 "Linux" "Linux Programmer's Manual"
.SH ̾
closelog, openlog, syslog, vsyslog \- ƥ˥å
.SH 
.B #include <syslog.h>
.sp
.BI "void openlog(const char *" ident ", int " option ", int " facility );
.br
.BI "void syslog(int " priority ", const char *" format ", ...);"
.br
.B "void closelog(void);"
.sp
.B #include <stdarg.h>
.sp
.BI "void vsyslog(int " priority ", const char *" format ", va_list " ap );
.sp
.in -4n
glibc εǽޥ׷
.RB ( feature_test_macros (7)
):
.in
.sp
.BR vsyslog ():
_BSD_SOURCE
.SH 
.BR closelog ()
ϥƥΥϿѥץ(ƥ
.BR syslogd (8))
ؤ³λ롣
.BR closelog ()
ɬܤǤϤʤ
.sp
.BR openlog ()
ϥϤ褦ȤƤץफϿѥץؤ
³򳫻Ϥ롣
.I ident
ǻꤷʸ(̾
.BR openlog ()
ץ̾)ϥϤΰʸʸɲä졢ɤΥץ
Ϥ̤뤿˻Ȥ롣
.I option
ϡ
.BR openlog ()
ưȤθ
.BR syslog ()
θƤӽФ椹ե饰ꤹ롣
.I facility
ϡ
.BR syslog ()
ƤӽФݤ facility ꤵʤä˻Ѥ
ǥեͤꤹ롣
.I option

.I facility
ˤĤƤϸҤ롣
.BR openlog ()
ɬܤǤϤʤɬפ˱
.BR syslog ()
ƤӽФ롣
.BR syslog ()
ƤӽФ硢
.I ident
Υǥեͤ NULL ˤʤ롣
.sp
.BR syslog ()
ϥåϤ
.BR syslogd (8)
ΥåϿ롣
.I priority

.I facility

.I level
Ȥȹ礻ǻꤹ롣
.I facility

.I level
μꤦͤϸҤ롣
Ĥ
.I format

.BR printf (3)
Ȼν񼰤Ȥν񼰤ͿͤǤ롣
.I format
2ʸ
.B %m
ϤλǤ
.I errno
˴Ϣ륨顼åʸ
.RI ( strerror )
ˤä֤롣
ɬפʾ˲Ԥä롣
.BR vsyslog ()
ؿ
.BR syslog ()
ƱǽĤѰꥹȤꤹ뤳ȤǤۤʤ롣
ꤵ줿ϡ
.BR stdarg (3)
ѰꥹȥޥѤƼ롣

ʲΥ֥Ǥϡ
.I option

.I facility

.I priority
ͤꤹΤ˻Ѥѥ᡼롣
.SS option
ͤ OR Τ
.BR openlog ()

.I option
ˤʤ:
.TP
.B LOG_CONS
顼Сƥǥƥॳ󥽡ˤľܽ񤯡
.TP
.B LOG_NDELAY
ϿѥץȤ³¨¤˳Ϥ
(̾ϡǽΥåϿ³򳫤)
.TP
.B LOG_NOWAIT
åϿݤҥץνλԤʤ
(GNU C 饤֥ϻҥץʤ
äơΥץ Linux Ǥ̵Ǥ롣)
.TP
.B LOG_ODELAY
.B LOG_NDELAY
ȿС
.BR syslog ()
ƤФޤǡ³γϤԤʤ
(ΥץϥǥեȤǤꡢä˻ꤹɬפϤʤ)
.TP
.B LOG_PERROR
stderr ˤϤ롣(POSIX.1-2001 ǤƤʤ)
.TP
.B LOG_PID
ġΥå PID ޤ롣
.SS facility
.I facility
ϥå˵ϿץΥפꤹ뤿˻Ȥ롣
ˤäưۤʤ륿פΥץफΥåϰۤʤ밷
褦ե(
.BR syslog.conf (5))
Ǥ롣
.TP
.B LOG_AUTH
ƥ/ǧ å
(侩
.B LOG_AUTHPRIV
Ѥ뤳)
.TP
.B LOG_AUTHPRIV
ƥ/ǧ å (ץ饤١)
.TP
.B LOG_CRON
åǡ
.RB ( cron

.RB at )
.TP
.B LOG_DAEMON
 facility ͤʤƥǡ
.TP
.B LOG_FTP
ftp ǡ
.TP
.B LOG_KERN
ͥå
.TP
.BR LOG_LOCAL0 "  " LOG_LOCAL7
ʻѤΤ˥ꥶ֤Ƥ
.TP
.B LOG_LPR
饤ץ󥿡֥ƥ
.TP
.B LOG_MAIL
᡼롦֥ƥ
.TP
.B LOG_NEWS
USENET ˥塼֥ƥ
.TP
.B LOG_SYSLOG
.BR syslogd (8)
ˤäŪȯԤå
.TP
.BR LOG_USER " (ǥե)"
Ūʥ桼٥å
.TP
.B LOG_UUCP
UUCP֥ƥ
.SS level
ϥåͥ٤ꤹ롣
ͥ٤ι⤤Τ㤤ΤνDz롣
.TP
.B LOG_EMERG
ƥबԲ
.TP
.B LOG_ALERT
ľ˹ư򵯤ʤФʤʤ
.TP
.B LOG_CRIT
ʾ
.TP
.B LOG_ERR
顼ξ
.TP
.B LOG_WARNING
˥󥰤ξ
.TP
.B LOG_NOTICE
̾פʾ
.TP
.B LOG_INFO
ե᡼å
.TP
.B LOG_DEBUG
ǥХå٥Υå
.LP
.BR setlogmask (3)
ؿѤơ
ꤵ줿٥ΥåϿ褦
¤뤳ȤǤ롣
.SH 
.BR openlog (),
.BR closelog (),
.BR syslog ()
 SUSv2  POSIX.1-2001 ǵꤵƤ
(â
.BR vsyslog ()
Ͻ)
POSIX.1-2001 Ǥ
.I facility
Ȥ
.B LOG_USER

.B LOG_LOCAL*
ͤꤵƤǤ롣
ʤ顢
.B LOG_AUTHPRIV

.B LOG_FTP
Ȥ㳰Ϥ뤬
ʳ
.I facility
ͤ¿ Unix ƥǻȤƤ롣
.I option
ͤ
.B LOG_PERROR
ͤϡ POSIX.1-2001 ǤϵꤵƤʤ
Unix ¿ΥСǻѲǽǤ롣
.\" .SH 
.\" .BR syslog ()
.\" ե󥯥󡦥 4.2BSD 줿
.\" 4.3BSD ˤ
.\" .BR openlog (),
.\" .BR syslog (),
.\" .BR closelog (),
.\" .BR setlogmask ()
.\" Ƥ롣
.\" ޤ4.3BSD-Reno ˤ
.\" .BR vsyslog ()
.\" Ƥ롣
.\" ʤ v* ؿ
.\" .I <stdarg.h>
.\" ȤϸߴΤʤ
.\" .I <varargs.h>
.\" λȤѤΤǤ롣
.SH 
.BR openlog ()
ƤӽФ
.I ident
ϡͤΤޤݻƤ뤳ȤˤƤ롣
椨
.I ident
ǻꤵ줿ʸѹȡ
.BR syslog ()
ѹ줿ʸɲä
ꤵ줿ʸ¸ߤʤʤä硢̤̤Ǥ롣
ǤܿˡϡʸѤ뤳ȤǤ롣
.LP
桼Ϳ줿ǡ format ȤϤƤϤʤʤ
˰ʲȤȡ
.nf

    syslog(priority, "%s", string);
.fi
.SH Ϣ
.BR logger (1),
.BR setlogmask (3),
.BR syslog.conf (5),
.BR syslogd (8)