Re: Lua-friendly OSes

[Lourival Vieira Neto <lourival.neto@...>]

On Tue, Oct 25, 2011 at 5:56 PM, Marc Balmer <marc@msys.ch> wrote:
> Am 25.10.11 21:10, schrieb Lourival Vieira Neto:
>> On Sun, Oct 23, 2011 at 1:54 PM, Pascal <pascaldumaurrier@yahoo.fr> wrote:
>>> Marc Balmer wrote:
>>>
>>>> NetBSD (-current) has Lua in the base install
>>>> and there is an ongoing project to use Lua in
>>>> the kernel.
>>>
>>> This sounds very fascinating indeed. I have read about the Lunatik project, but I was not able to understand whether is has been already completed or not. When should we expect to see it fully implemented?
>>
>> What you mean by "completed"? Lunatik is functional. You can use it to
>> run and load Lua scripts in the Linux or NetBSD kernel. However,
>> Lunatik itself doesn't provide bindings to kernel internals. If you
>> want to use it, you need to write your own bindings.
>
> I will present the current state of affairs during the BSDDay(2011) in
> Bratislava.  The project has evolved quite a good bit.
>
>>
>> My plan, and I think it is also the Marc's plan, is to write Lua
>> bindings in the NetBSD kernel to get it more useful and to have
>> concrete examples of how Lua could be used inside the kernel, but I
>> think that is not feasible to write bindings for all possible
>> scripting usages in the kernel. So, I think that developers should
>> find their own usages for it. For example, I made bindings for Cpufreq
>> on Linux and for read/write system calls on NetBSD; André Graf from
>> University of Basel made bindings for Linux's Netfilter; and I
>> recently talked with an other folk that wants to write bindings for
>> other Linux subsystem.
>>
>> For sure, Lunatik needs to evolve, but I think that it is quite usable already.
>
> I am not calling it Lunatik anymore, but "Kernel mode Lua" or "Lua in
> the NetBSD kernel", and I added the missing pieces.

I think that it makes sense as the purpose is to get it merged in NetBSD, right?

> I think there is  now a whole infrastructure to use Lua in the kernel.  Let's discuss it
> in Bratislava.

Look forward to see your progress =).

>>>> That does not mean, however, that
>>>> NetBSD is the most Lua friendly operating system.
>>>
>>> But, am I right in seeing in this an indication that Lua will soon become a "first-class citizen" language in NetBSD? This would imply, in my understanding, that more and more Lua-NetBSD integration is to be expected.
>>>
>>> I do hope to see this happening soon.
>>
>> So do I =).
>>
>> Cheers,
>
>
>

Cheers,
-- 
Lourival Vieira Neto