Re: old-school tty garbage collection: comcontrol

Tomek CEDRO <[email protected]> Mon, 1 Sep 2025 03:06:29 +0200
Newsgroups gmane.os.freebsd.architechture
Message-ID <CAFYkXjmOfBrm6rNC8gaFkA80zwJMSfjFy8i8p1szpt8LUjhJ1w@mail.gmail.com>
On Mon, Sep 1, 2025 at 2:34 AM Warner Losh <[email protected]> wrote:
> On Sun, Aug 31, 2025, 6:28 PM Tomek CEDRO <[email protected]> wrote:
>> On Mon, Sep 1, 2025 at 1:52 AM Warner Losh <[email protected]> wrote:
>> > (..)
>> > But it only leaves 'drainwait' in comcontrol(8), and that's not been relevant to modems since the late 90s (the ones that were trouble largely disappeared from service by 2005). I wonder if we might not want to just retire comcontrol entirely. This one feature is the sole-surviving remnant from the 386BSD patchkit driver that Christopher G. Demetriou wrote that FreeBSD 1 imported (and we reimported into FreeBSD 2).
>> > Does anybody still use it? I think not.
>>
>> Isn't camcontrol still used by ada/cd/da/pass devices?
>
> For c*A*mcontrol is yes. But I'm talking about c*O*mcontrol... I had totally forgotten about it since I think I last used it in the 90s... and even then it was for a custom serial device the hw engineer fixed to not need it.

My bad sorry 0300AM here time to get some sleep :-P

-- 
CeDeROM, SQ7MHZ, http://www.tomek.cedro.info