addForeignPtrFinalizer - finalizers run in FIFO or LIFO order?
lemming at henning-thielemann.de
Sat Aug 18 18:10:14 CEST 2012
On Sat, 18 Aug 2012, Bertram Felgenhauer wrote:
> Henning Thielemann wrote:
>> and let the finalizers print something when they are started.
>> I get the output:
> Funny bug, I can reproduce it. (And it is a bug; the code in question
> violates a documented invariant.) What happens is, in essence, that the
> list of finalizers is reversed during garbage collection.
> See http://hackage.haskell.org/trac/ghc/ticket/7160 for an example
Thank you a lot for working out the example! It could have required ages
for me to reduce my problem to such a compact example.
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