Date: Thu, 21 Oct 1999 15:01:06 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Martin Stromberg <eplmst AT lu DOT erisoft DOT se>
cc: djgpp AT delorie DOT com
Subject: Re: far call
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On 21 Oct 1999, Martin Stromberg wrote:

> How do you request (and perhaps get) a selector for a different
> ring-level than your own (which in DJGPP is three)?

See __dpmi_set_descriptor and __dpmi_set_descriptor_access_rights
(there are also corresponding *get* functions).

Whether this will work is another question.

In general, if you want to call code that's higher privilege that your 
CPL, you need to set up a ``call gate'' and use it to make the privileged 
call.  But some environments will let you do that in a naive way.