[cc trimmed]

() Dimitris Papavasiliou <dpapavas@protonmail.ch>
() Wed, 22 Dec 2021 11:41:22 +0000

   One idea would be to simply call `scm_gc()' and
   `scm_run_finalizers()' until the latter returns 0.  As far as
   I can see, this should ensure all finalizers are called,
   assumming no references to any foreign objects remain, but I
   see no way of ensuring the latter short of process
   termination...

Do guardians help for this?

I typed "scheme guardians finalization" into duckduckgo and the
first hit was:

 https://www.cs.tufts.edu/~nr/cs257/archive/kent-dybvig/guardians.pdf

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