code: func SetLogLevel(logLevel int) {
  	gLogLevelBackup = gLogLevel
  	switch logLevel {
  	case LInfo:
  		gLogLevel = logLevel
  	case LDebug:
  		gLogLevel = logLevel
  	case LCritical:
  		gLogLevel = logLevel
  	case LError:
  		gLogLevel = logLevel
  	default:
  		gLogLevel = LInfo
  	}
  }
docs: // SetLogLevel backup gLoglevel and set gLogLevel to logLevel