Re: Bug in new sit-for?

[Lennart Borgman <lennart.borgman.073@student.lu.se>]

Chong Yidong wrote:
>>  emacs.exe -batch -Q -l sit-for-bug.el
>>
>> This hangs after the displaying "calling (sit-for 1)". The first
>> (sit-for 0) does not hang.
>>     
>
> (First off, it isn't hung: press enter, and the sit-for will exit.
> The problem is that `read-event' can't be interrupted by the timer in
> batch mode).
>   
Why can't it be interrupted in batch?

> Anyway, the situation is a little more complicated than that, because
> the old sit-for also doesn't work properly.
>
> With the old sit-for, there is no way to interrupt in batch mode: no
> matter what key you press, including enter, the sit-for will sit for
> the entire duration.
>   
Yes, that was inconvenient too.