/**
  * Build a new logging handler based on syslog.
  */
 public function __construct(\SimpleSAML_Configuration $config)
 {
     $facility = $config->getInteger('logging.facility', defined('LOG_LOCAL5') ? constant('LOG_LOCAL5') : LOG_USER);
     $processname = $config->getString('logging.processname', 'SimpleSAMLphp');
     // Setting facility to LOG_USER (only valid in Windows), enable log level rewrite on windows systems
     if (System::getOS() === System::WINDOWS) {
         $this->isWindows = true;
         $facility = LOG_USER;
     }
     openlog($processname, LOG_PID, $facility);
 }