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SYSLOG.H 3HEAD "Sep 10, 2003"
NAME
syslog.h, syslog - definitions for system error logging
SYNOPSIS

#include <syslog.h>
DESCRIPTION

The <syslog.h> header defines the following symbolic constants, zero or more of which can be OR'ed together to form the logopt option of openlog(): LOG_PID

Log the process ID with each message.

LOG_CONS

Log to the system console on error.

LOG_NDELAY

Connect to syslog daemon immediately.

LOG_ODELAY

Delay open until syslog() is called.

LOG_NOWAIT

Do not wait for child processes.

The following symbolic constants are defined as possible values of the facility argument to openlog(): LOG_KERN

reserved for message generated by the system

LOG_USER

message generated by a process

LOG_MAIL

reserved for message generated by mail system

LOG_NEWS

reserved for message generated by news system

LOG_UUCP

reserved for message generated by UUCP system

LOG_DAEMON

reserved for message generated by system daemon

LOG_AUTH

reserved for message generated by authorization daemon

LOG_CRON

reserved for message generated by clock daemon

LOG_LPR

reserved for message generated by printer system

LOG_LOCAL0

reserved for local use

LOG_LOCAL1

reserved for local use

LOG_LOCAL2

reserved for local use

LOG_LOCAL3

reserved for local use

LOG_LOCAL4

reserved for local use

LOG_LOCAL5

reserved for local use

LOG_LOCAL6

reserved for local use

LOG_LOCAL7

reserved for local use

The following is declared as a macro for constructing the maskpri argument to setlogmask(). The following macro expands to an expression of type int when the argument pri is an expre ssion of type int: LOG_MASK(pri)

a mask for priority pri

The following constants are defined as possible values for the priority argument of syslog(): LOG_EMERG

A panic condition was reported to all processes.

LOG_ALERT

A condition that should be corrected immediately.

LOG_CRIT

A critical condition.

LOG_ERR

An error message.

LOG_WARNING

A warning message.

LOG_NOTICE

A condition requiring special handling.

LOG_INFO

A general information message.

LOG_DEBUG

A message useful for debugging programs.

ATTRIBUTES

See attributes(7) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE
Interface Stability Standard
SEE ALSO

syslog (3C), attributes (7), standards (7)