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Re: Add sleep builtin
From: |
konsolebox |
Subject: |
Re: Add sleep builtin |
Date: |
Mon, 20 Aug 2018 01:12:01 +0800 |
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
- Add sleep builtin, konsolebox, 2018/08/19
- Re: Add sleep builtin, Clint Hepner, 2018/08/19
- Re: Add sleep builtin,
konsolebox <=
- Re: Add sleep builtin, L A Walsh, 2018/08/21
- Re: Add sleep builtin, Bob Proulx, 2018/08/25
- Re: Add sleep builtin, L A Walsh, 2018/08/27
- Re: Add sleep builtin, Robert Elz, 2018/08/27
- Re: Add sleep builtin, L A Walsh, 2018/08/27
Re: Add sleep builtin, Chet Ramey, 2018/08/20