[Toybox] getty questions.
Rob Landley
rob at landley.net
Mon Jun 30 03:13:20 PDT 2014
On 06/29/14 22:48, Avery Pennarun wrote:
> On Sun, Jun 29, 2014 at 10:19 AM, Rob Landley <rob at landley.net> wrote:
>> Looking at getty, it has a lot of modem support, including autodetecting
>> the rate of incoming modem connections from the "CONNECT" message.
>>
>> Do you actually have a use case for this? Are there still modems in live
>> use in 2014, where they're hooked up to a unix system that's waiting for
>> you to dial in at an unknown serial port rate? (Not internet, not a
>> statically configured serial connection set by the bootloader or the
>> console= command line argument?)
>
> As far as I know, rate autodetection from the CONNECT line went out of
> style with 2400 baud modems. After that (or even in some of those)
> they added internal compression that needed a higher bit rate on the
> serial port anyway, so they ended up just using a fixed higher rate.
>
> It's very unlikely anybody needs that feature now.
>
> ...and now back to lurking...
Yeah, that's what I thought, but it's been long enough since _I've_ used
modems that I'm a bit fuzzy.
I think I'll yank it and be ready to accept a patch/request putting it
back that comes with an explanation of why it's necessary.
Thanks,
Rob
1404123200.0
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