Re: [Chicken-users] Multiple concurrent top levels?

[John Cowan]

Dan Leslie scripsit:

> Oh, how much control over the GC does Chibi grant you?

If we confine ourselves to the presently documented API, there are only
two calls: one to increment the reference count of an object and one
to decrement it.  An object with a non-zero reference count will never
be reclaimed by the garbage collector, though its home heap can still
be destroyed.

The undocumented call sexp_gc(sexp ctx, size_t *sum) will invoke garbage
collection on the heap pointed to by ctx, setting *sum to the number of
cells freed unless sum is NULL.  (This is a no-op if you are using the
conservative BDW collector, which is inherently global to the process.)

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