[Toybox] toybox initd

[Rob Landley]

And I got permission! (Second attempt. If balsa eats this one, I'm  
taking a hex editor to it.)

Rob

On 01/24/2013 11:36:48 AM, Rob Landley wrote:
> On 01/17/2013 02:50:38 PM, Ilya Kuzmich wrote:
>> Hi Rob.
>> 
>> Can you please share with me your vision on what exactly toybox  
>> initd should
>> look like?
> 
> Sorry for the delay, started a new job on monday and got behind on my  
> email. (I checked the webmail for the toybox archive, but you sent  
> this to my personal email. I've just now caught up to the 17th. :)
> 
>> The thing is, for the last couple of months i'm doing embedded linux  
>> on my
>> dayjob and our sysv scripts is not very fast, robust, concise,  
>> flexible or
>> pretty much anything. After poking around i did not found init that  
>> would be
>> small, well-written, maintained, and provide any significant  
>> advantage over
>> busybox initd
>> Which made me thinking about writing my own, which is a bad idea  
>> prob.
>> I would really like to know what are your plans for the toybox  
>> initd, and/or
>> your thoughts on desing of pid1 in general for that matter.
> 
> Well, I did "oneit" already, which runs a single program. That way  
> you can launch a shell script as your init to bring the system up,  
> and designate one master program that will reboot the system if it  
> ever exits.
> 
> My next init will probably be something sysvinit-like, just because  
> so many people are used to it. I have a todo item to look at:
> 
>   A) busybox init
>   B) android core init
>   C) klibc init
>   D) the old sysvinit man page
>   E) LSB 4.1 chapter 20, "System Initialization"
> 
> And see if I can come up with some common characteristics. I dunno if  
> this will wind up being an extension of oneit or a separate command.
> 
> Finally, I need to study upstart and systemd and see what that's all  
> about. But I haven't even started looking at that yet.
> 
> Ideally I'd like an init that could read an inittab, or the android  
> init data format, or the upstart/systemd formats, and behave  
> appropriately in each case without too much code duplication. But I  
> dunno yet how much actual code sharing that would involve and whether  
> or not it would be worth it. I haven't done the research or design  
> work yet.
> 
> Mind if I forward this response to the toybox mailing list?
> 
> Thanks,
> 
> Rob

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