Function alive

internal/pidfile/pidfile_unix.go:30–42

(pid int)

)

func alive(pid int) bool {
	if pid < 1 {
		return false
	}
	switch runtime.GOOS {
	case "darwin":
		err := unix.Kill(pid, 0)
		return err == nil || errors.Is(err, unix.EPERM)
	default:
		_, err := os.Stat("/proc/" + strconv.Itoa(pid))
		return err == nil
	}
}