Hello Andy! Andy Wingo <[email protected]> skribis:
> On Mon 30 Apr 2018 23:39, [email protected] (Ludovic Courtès) writes: > >> So the problem, AIUI, is that psyntax evaluates syntax parameters using >> ‘primitive-eval’ (via ‘eval-local-transformer’), but memoization in >> (ice-9 eval) is not thread-safe, hence the random crashes. > > Sorry I've been a bit AWOL here... if this diagnosis is correct, then > the problem is ultimately the memoization that needs to be thread-safe, > right? It looks like it, yes. > Is the memoization you are referring to the "set!" in the "lazy" form in > ice-9/eval.scm ? Or something else? FWIW I would not think the "set!" > could be the issue, at least on x86, but who knows. Actually I’m not sure exactly. ‘memoize-expression’ itself is side-effect-free, right? Thanks for your feedback, Ludo’.
