func setupLogging() {
if daemon.WasReborn() {
file, _ := os.OpenFile(logFileName, os.O_WRONLY|os.O_CREATE|os.O_APPEND, fileMask)
daemon.RedirectStream(os.Stdout, file)
daemon.RedirectStream(os.Stderr, file)
file.Close()
log.Println("--- log ---")
} else {
log.SetFlags(0)
if *silent {
file, _ := os.OpenFile(os.DevNull, os.O_WRONLY, fileMask)
daemon.RedirectStream(os.Stdout, file)
daemon.RedirectStream(os.Stderr, file)
file.Close()
}
}
}
func lockPidFile() *daemon.PidFile {
pidf, err := daemon.LockPidFile(pidFileName, fileMask)
if err != nil {
if err == daemon.ErrWouldBlock {
log.Println("daemon copy is already running")
os.Exit(ret_ALREADYRUN)
} else {
log.Println("pid file creation error:", err)
os.Exit(ret_PIDFERROR)
}
}
if !daemon.WasReborn() {
pidf.Unlock()
}
if *status {
os.Exit(ret_OK)
}
return pidf
}