``` $ bash -c 'sleep 1 && : < /dev/tty & read var' < /dev/tty bash: line 0: read: read error: 0: Resource temporarily unavailable ```
seems to be related and is possibly the same bug. See https://unix.stackexchange.com/questions/499422/bash-how-can-i-run-sudo-n-true-in-the-background-without-interfering-with-r/499433?noredirect=1#comment919635_499433
```
$ bash -c 'sleep 1 && : < /dev/tty & read var' < /dev/tty
bash: line 0: read: read error: 0: Resource temporarily unavailable
```
seems to be related and is possibly the same bug. See https:/ /unix.stackexch ange.com/ questions/ 499422/ bash-how- can-i-run- sudo-n- true-in- the-background- without- interfering- with-r/ 499433? noredirect= 1#comment919635 _499433