syslog
Generate a system log message
&reftitle.description;
boolsyslog
intpriority
stringmessage
syslog generates a log message that will be
distributed by the system logger.
For information on setting up a user defined log handler, see the
syslog.conf
5 Unix manual page. More
information on the syslog facilities and option can be found in the man
pages for syslog
3 on Unix machines.
&reftitle.parameters;
priority
priority is a combination of the facility and
the level. Possible values are:
<function>syslog</function> Priorities (in descending order)
Constant
Description
LOG_EMERG
system is unusable
LOG_ALERT
action must be taken immediately
LOG_CRIT
critical conditions
LOG_ERR
error conditions
LOG_WARNING
warning conditions
LOG_NOTICE
normal, but significant, condition
LOG_INFO
informational message
LOG_DEBUG
debug-level message
message
The message to send, except that the two characters
%m will be replaced by the error message string
(strerror) corresponding to the present value of
errno.
&reftitle.returnvalues;
&return.success;
&reftitle.examples;
Using <function>syslog</function>
]]>
&reftitle.notes;
On Windows NT, the syslog service is emulated using the Event
Log.
Use of LOG_LOCAL0 through
LOG_LOCAL7 for the facility
parameter of openlog is not available
in Windows.
&reftitle.seealso;
openlog
closelog