In
<caajsdjijjgpxfxevytorprbl-qzj7tqphpswo9bw3g_gjje...@mail.gmail.com>,
on 03/17/2015
at 08:53 AM, John McKown <[email protected]> said:
>I think the original design was to allow an type 3 or 4 SVC to
>invoke some used supplied code, and do so in TCB key / problem
>state. And then still be in key 0 / supervisor state when the user
>code returns.
Back in the day access methods were the obvious users and there
weren't all those options we have today.
--
Shmuel (Seymour J.) Metz, SysProg and JOAT
ISO position; see <http://patriot.net/~shmuel/resume/brief.html>
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)
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