[elephant-devel] More work on BDB interrupt-proofing

[Leslie P. Polzer]

Red Daly wrote:

> Why do these sections require WITHOUT-INTERRUPTS instead of locking?
> WITHOUT-INTERRUPTS is deprecated in Allegro, and in lisps running on
> multiple cores, it seems to have no atomicity guarantees that are
> immediately relevant to me.
>
> Quoted below is the Allegro documentation.  I'm not sure if
> WITHOUT-INTERRUPTS has the same semantics in other lisps:

I don't know about Allegro but on SBCL for example locks and
without-interrupts are orthogonal. The latter is all about
asynchronous POSIX signals.

  Leslie

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