func (r *Runner) storePid() error {
	path := config.StringVal(r.config.PidFile)
	if path == "" {
		return nil
	}

	log.Printf("[INFO] creating pid file at %q", path)

	f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0666)
	if err != nil {
		return fmt.Errorf("runner: could not open pid file: %s", err)
	}
	defer f.Close()

	pid := os.Getpid()
	_, err = f.WriteString(fmt.Sprintf("%d", pid))
	if err != nil {
		return fmt.Errorf("runner: could not write to pid file: %s", err)
	}
	return nil
}
func (r *Runner) storePid() error {
	path := config.StringVal(r.config.PidFile)
	if path == "" {
		return nil
	}

	log.Printf("[INFO] creating pid file at %q", path)

	f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0666)
	if err != nil {
		return fmt.Errorf("runner: could not open pid file: %s", err)
	}
	defer f.Close()

	pid := os.Getpid()
	_, err = f.WriteString(fmt.Sprintf("%d", pid))
	if err != nil {
		return fmt.Errorf("runner: could not write to pid file: %s", err)
	}
	return nil
}
func ( r * Runner ) storePid ( ) error { path := config . StringVal ( r . config . PidFile ) if path == " " { return nil } log . Printf ( " " , path ) f , err := os . OpenFile ( path , os . O_CREATE | os . O_WRONLY | os . O_TRUNC , 0666 ) if err != nil { return fmt . Errorf ( " " , err ) } defer f . Close ( ) pid := os . Getpid ( ) _ , err = f . WriteString ( fmt . Sprintf ( " " , pid ) ) if err != nil { return fmt . Errorf ( " " , err ) } return nil }
// storePid is used to write out a PID file to disk.
storePid is used to write out a PID file to disk .