Date:	Thu, 21 Oct 1999 15:01:06 +0200 (IST)
From:	Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
X-Sender:	eliz AT is
To:	Martin Stromberg <eplmst AT lu DOT erisoft DOT se>
cc:	djgpp AT delorie DOT com
Subject:	Re: far call
In-Reply-To:	<7umnvs$p4l$1@antares.lu.erisoft.se>
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Reply-To:	djgpp AT delorie DOT com
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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.

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