On Tue, 22 Sep 2009 07:10:39 +0200 Roland Mainz wrote:
> Glenn Fowler wrote:
> > * there are three styles of universe
> > * Pyramid and Sequent universes have <sys/universe.h> file
> > * Masscomp universes do not
> Is there any description how the universe API works ?
the universe apis (every vendor added their own twist) was a way
for vendors to join the system-5 vs berkeley war without picking sides
the general form was either
getuniverse()
setuniverse()
or
universe()
these provide access to a per-process state
the state was some form of { sys5 ucb }
somes apis provided #define constants for the universe
others had universe as strings
one of the systems (the one that defined UNIV_MAX) added universe logic
to symlink text:
<space>universe-1-name<space>universe-1-link<space>universe-2-name<space>...
so the link text returned by readlink() universe-specific
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