Re: Add sleep builtin

[konsolebox]

On Mon, Aug 20, 2018 at 12:26 AM, Clint Hepner <clint.hepner@gmail.com> wrote:
>
>> On Aug 19, 2018, at 10:25 AM, konsolebox <konsolebox@gmail.com> wrote:
>>
>> Hi Chet,
>>
>> The sleep command is often used in loops and using the external sleep
>> is expensive.
>
> Expensive is relative, as the time spent actually sleeping probably dwarfs 
> the startup time.

Forking is expensive, and collectively is hugely expensive. The
external sleep is also yet another child process to manage.

> If not, you probably want to find an alternative to polling anyway.

Sure, that would be for another solution. Meanwhile I have a patch
which adds about 10 lines of significant runtime code to offer.

-- 
konsolebox