Re: inter_module_get and __symbol_get

[David Mosberger <davidm@napali.hpl.hp.com>]

Keith,

I didn't see any followup to your message.  My apologies if I missed
something.

You wrote:

 Keith> inter_module_* and __symbol_* solve these class of problems:

 Keith> Module A can use module B if B is loaded, but A does not
 Keith> require module B to do its work.  B is optional.

 Keith> The kernel can use code in module C is C is loaded, but the
 Keith> base kernel does not require module C.  C is optional.

Why isn't this handled via weak references?  If the reference comes
out as 0, you know the underlying module/facility isn't there and
proceed accordingly.

	--david