[cap-talk] Re: POLA not needed in Unix?

David Wagner daw at cs.berkeley.edu
Sat Nov 12 02:38:26 EST 2005


Rob J Meijer <rmeijer at xs4all.nl> writes:
>This 'plenty of' may actualy be part of the problem. If it would be
>possible for all these papers and implementations to go into the direction
>of some form of POLA posix interface definition, than I think the main
>stream system developers may be found willing and able to implement it.
>But the problem is that I dont believe POLA to be specific enough to allow
>a one size fits all posix standard API.

POLA is a principle, not an API.  It is a guideline/heuristic for system
design that is intended to be useful for many different kinds of systems.
Asking for a common API for POLA like asking for a POSIX-blessed API for
"be conservative in what you send, liberal in what you accept".


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