From: Warner Losh <imp@bsdimp.com>
To: Clem Cole <clemc@ccc.com>
Cc: TUHS main list <tuhs@minnie.tuhs.org>
Subject: Re: [TUHS] V6 networking & alarm syscall
Date: Fri, 11 Jan 2019 16:32:54 -0700 [thread overview]
Message-ID: <CANCZdfq6f4pC3DvUqEZfJtEKrRk0KcA+r+p+FS8-eT468K1WwA@mail.gmail.com> (raw)
In-Reply-To: <CAC20D2MN=8XZ6Xr=QjX9KsR827q=y+gqkv7KYaw2UOZ=C2AWwg@mail.gmail.com>
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On Fri, Jan 11, 2019 at 3:48 PM Clem Cole <clemc@ccc.com> wrote:
>
>
> On Fri, Jan 11, 2019 at 5:09 PM <reed@reedmedia.net> wrote:
>
>>
>> The select system call was added in 81/02/07 with no comment. Commit
>> history shows in 81/10/17: "cleanup (mpx removal, old tty removal,
>> beginnings of select)" and in 81/10/11 "first boot with select()" which
>> includes lots of changes like replace lots of tty code and use
>> selwakeup().
>
>
> Actually, that is a nice memory jog. Chesson wrote mpx(2) for DataKit
> for UNIX/TS. IIRC: It was not originally part of v7, but he sent copies
> of out to a number of folks. Somwhere I might even have the email when
> he sent it to me at CMU in the late 1970s. The point is that it was in
> the wild as it were at a lot of places; certainly at UCB by 4.1. Sam and
> Joy had seen and messed with mpx(2) before select(2) was concieved.
>
> To Paul's question - mpx(2) was done for networking.
>
How is that different than the pk driver that was in v7?
Warner
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next prev parent reply other threads:[~2019-01-11 23:33 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-10 23:12 Paul Ruizendaal
2019-01-11 0:17 ` Clem cole
2019-01-11 15:33 ` ron
2019-01-11 18:45 ` Clem Cole
2019-01-11 19:06 ` David
2019-01-11 22:08 ` reed
2019-01-11 22:18 ` Larry McVoy
2019-01-12 12:04 ` reed
2019-01-12 17:20 ` Clem Cole
2019-01-12 18:16 ` Eric Allman
2019-01-13 1:16 ` Madeline Autumn-Rose
2019-01-11 22:47 ` Clem Cole
2019-01-11 22:55 ` Eric Allman
2019-01-11 23:32 ` Warner Losh [this message]
2019-01-11 23:27 Paul Ruizendaal
2019-01-12 1:24 Noel Chiappa
2019-01-12 1:58 ` Dave Horsfall
2019-01-12 2:33 ` Warner Losh
2019-01-12 4:14 Noel Chiappa
[not found] <mailman.1.1547258402.6716.tuhs@minnie.tuhs.org>
2019-01-12 11:13 ` Paul Ruizendaal
2019-01-13 10:52 Paul Ruizendaal
2019-01-13 15:39 ` Warner Losh
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