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diff --git a/man3/syslog.3 b/man3/syslog.3 deleted file mode 100644 index 7b3c663..0000000 --- a/man3/syslog.3 +++ /dev/null @@ -1,359 +0,0 @@ -'\" t -.\" Written Feb 1994 by Steve Greenland (stevegr@neosoft.com) -.\" and Copyright 2001, 2017 Michael Kerrisk <mtk.manpages@gmail.com> -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.\" 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> -.\" -.TH syslog 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -closelog, openlog, syslog, vsyslog \- send messages to the system logger -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ) -.SH SYNOPSIS -.nf -.B #include <syslog.h> -.P -.BI "void openlog(const char *" ident ", int " option ", int " facility ); -.BI "void syslog(int " priority ", const char *" format ", ...);" -.B "void closelog(void);" -.P -.BI "void vsyslog(int " priority ", const char *" format ", va_list " ap ); -.fi -.P -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.P -.BR vsyslog (): -.nf - Since glibc 2.19: - _DEFAULT_SOURCE - glibc 2.19 and earlier: - _BSD_SOURCE -.fi -.SH DESCRIPTION -.SS openlog() -.BR openlog () -opens a connection to the system logger for a program. -.P -The string pointed to by -.I ident -is prepended to every message, and is typically set to the program name. -If -.I ident -is NULL, the program name is used. -(POSIX.1-2008 does not specify the behavior when -.I ident -is NULL.) -.P -The -.I option -argument specifies flags which control the operation of -.BR openlog () -and subsequent calls to -.BR syslog (). -The -.I facility -argument establishes a default to be used if -none is specified in subsequent calls to -.BR syslog (). -The values that may be specified for -.I option -and -.I facility -are described below. -.P -The use of -.BR openlog () -is optional; it will automatically be called by -.BR syslog () -if necessary, in which case -.I ident -will default to NULL. -.\" -.SS syslog() and vsyslog() -.BR syslog () -generates a log message, which will be distributed by -.BR syslogd (8). -.P -The -.I priority -argument is formed by ORing together a -.I facility -value and a -.I level -value (described below). -If no -.I facility -value is ORed into -.IR priority , -then the default value set by -.BR openlog () -is used, or, if there was no preceding -.BR openlog () -call, a default of -.B LOG_USER -is employed. -.P -The remaining arguments are a -.IR format , -as in -.BR printf (3), -and any arguments required by the -.IR format , -except that the two-character sequence -.B %m -will be replaced by -the error message string -.IR strerror ( errno ). -The format string need not include a terminating newline character. -.P -The function -.BR vsyslog () -performs the same task as -.BR syslog () -with the difference that it takes a set of arguments which have -been obtained using the -.BR stdarg (3) -variable argument list macros. -.\" -.SS closelog() -.BR closelog () -closes the file descriptor being used to write to the system logger. -The use of -.BR closelog () -is optional. -.\" -.SS Values for \fIoption\fP -The -.I option -argument to -.BR openlog () -is a bit mask constructed by ORing together any of the following values: -.TP 15 -.B LOG_CONS -Write directly to the system console if there is an error while sending to -the system logger. -.TP -.B LOG_NDELAY -Open the connection immediately (normally, the connection is opened when -the first message is logged). -This may be useful, for example, if a subsequent -.BR chroot (2) -would make the pathname used internally by the logging facility unreachable. -.TP -.B LOG_NOWAIT -Don't wait for child processes that may have been created while logging -the message. -(The GNU C library does not create a child process, so this -option has no effect on Linux.) -.TP -.B LOG_ODELAY -The converse of -.BR LOG_NDELAY ; -opening of the connection is delayed until -.BR syslog () -is called. -(This is the default, and need not be specified.) -.TP -.B LOG_PERROR -(Not in POSIX.1-2001 or POSIX.1-2008.) -Also log the message to -.IR stderr . -.TP -.B LOG_PID -Include the caller's PID with each message. -.\" -.SS Values for \fIfacility\fP -The -.I facility -argument is used to specify what type of program is logging the message. -This lets the configuration file specify that messages from different -facilities will be handled differently. -.TP 15 -.B LOG_AUTH -security/authorization messages -.TP -.B LOG_AUTHPRIV -security/authorization messages (private) -.TP -.B LOG_CRON -clock daemon -.RB ( cron " and " at ) -.TP -.B LOG_DAEMON -system daemons without separate facility value -.TP -.B LOG_FTP -ftp daemon -.TP -.B LOG_KERN -kernel messages (these can't be generated from user processes) -.\" LOG_KERN has the value 0; if used as a facility, zero translates to: -.\" "use the default facility". -.TP -.BR LOG_LOCAL0 " through " LOG_LOCAL7 -reserved for local use -.TP -.B LOG_LPR -line printer subsystem -.TP -.B LOG_MAIL -mail subsystem -.TP -.B LOG_NEWS -USENET news subsystem -.TP -.B LOG_SYSLOG -messages generated internally by -.BR syslogd (8) -.TP -.BR LOG_USER " (default)" -generic user-level messages -.TP -.B LOG_UUCP -UUCP subsystem -.\" -.SS Values for \fIlevel\fP -This determines the importance of the message. -The levels are, in order of decreasing importance: -.TP 15 -.B LOG_EMERG -system is unusable -.TP -.B LOG_ALERT -action must be taken immediately -.TP -.B LOG_CRIT -critical conditions -.TP -.B LOG_ERR -error conditions -.TP -.B LOG_WARNING -warning conditions -.TP -.B LOG_NOTICE -normal, but significant, condition -.TP -.B LOG_INFO -informational message -.TP -.B LOG_DEBUG -debug-level message -.P -The function -.BR setlogmask (3) -can be used to restrict logging to specified levels only. -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.na -.nh -.BR openlog (), -.BR closelog () -T} Thread safety MT-Safe -T{ -.na -.nh -.BR syslog (), -.BR vsyslog () -T} Thread safety MT-Safe env locale -.TE -.SH STANDARDS -.TP -.BR syslog () -.TQ -.BR openlog () -.TQ -.BR closelog () -POSIX.1-2008. -.TP -.BR vsyslog () -None. -.SH HISTORY -.TP -.BR syslog () -4.2BSD, SUSv2, POSIX.1-2001. -.TP -.BR openlog () -.TQ -.BR closelog () -4.3BSD, SUSv2, POSIX.1-2001. -.\" .SH HISTORY -.\" 4.3BSD documents -.\" .BR setlogmask (). -.TP -.BR vsyslog () -4.3BSD-Reno. -.\" Of course early v* functions used the -.\" .I <varargs.h> -.\" mechanism, which is not compatible with -.\" .IR <stdarg.h> . -.P -POSIX.1-2001 specifies only the -.B LOG_USER -and -.B LOG_LOCAL* -values for -.IR facility . -However, with the exception of -.B LOG_AUTHPRIV -and -.BR LOG_FTP , -the other -.I facility -values appear on most UNIX systems. -.P -The -.B LOG_PERROR -value for -.I option -is not specified by POSIX.1-2001 or POSIX.1-2008, but is available -in most versions of UNIX. -.SH NOTES -The argument -.I ident -in the call of -.BR openlog () -is probably stored as-is. -Thus, if the string it points to -is changed, -.BR syslog () -may start prepending the changed string, and if the string -it points to ceases to exist, the results are undefined. -Most portable is to use a string constant. -.P -Never pass a string with user-supplied data as a format, -use the following instead: -.P -.in +4n -.EX -syslog(priority, "%s", string); -.EE -.in -.SH SEE ALSO -.BR journalctl (1), -.BR logger (1), -.BR setlogmask (3), -.BR syslog.conf (5), -.BR syslogd (8) |