Re: Lua-friendly OSes

[Marc Balmer <marc@...>]

Am 25.10.11 22:45, schrieb Lourival Vieira 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?

Yes.

> 
>> 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 =).

Indeed, I do, and some other NetBSD devs as well.

> 
>>>>> 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,