source: trunk/essentials/dev-lang/perl/lib/syslog.pl

#
# syslog.pl
#
# $Log: syslog.pl,v $
# 
# tom christiansen <[email protected]>
# modified to use sockets by Larry Wall <[email protected]>
# NOTE: openlog now takes three arguments, just like openlog(3)
#
# call syslog() with a string priority and a list of printf() args
# like syslog(3)
#
#  usage: require 'syslog.pl';
#
#  then (put these all in a script to test function)
#               
#
#       do openlog($program,'cons,pid','user');
#       do syslog('info','this is another test');
#       do syslog('mail|warning','this is a better test: %d', time);
#       do closelog();
#       
#       do syslog('debug','this is the last test');
#       do openlog("$program $$",'ndelay','user');
#       do syslog('notice','fooprogram: this is really done');
#
#       $! = 55;
#       do syslog('info','problem was %m'); # %m == $! in syslog(3)

package syslog;

use warnings::register;

$host = 'localhost' unless $host;       # set $syslog'host to change

if ($] >= 5 && warnings::enabled()) {
    warnings::warn("You should 'use Sys::Syslog' instead; continuing");
} 

require 'syslog.ph';

 eval 'use Socket; 1'                   ||
     eval { require "socket.ph" }       ||
     require "sys/socket.ph";

$maskpri = &LOG_UPTO(&LOG_DEBUG);

sub main'openlog {
    ($ident, $logopt, $facility) = @_;  # package vars
    $lo_pid = $logopt =~ /\bpid\b/;
    $lo_ndelay = $logopt =~ /\bndelay\b/;
    $lo_cons = $logopt =~ /\bcons\b/;
    $lo_nowait = $logopt =~ /\bnowait\b/;
    &connect if $lo_ndelay;
} 

sub main'closelog {
    $facility = $ident = '';
    &disconnect;
} 

sub main'setlogmask {
    local($oldmask) = $maskpri;
    $maskpri = shift;
    $oldmask;
}