Another finalizer question
benjamin.franksen at bessy.de
Sun Nov 21 11:52:40 EST 2004
The library docs say
newForeignPtr :: ...
...Note that there is no guarantee on how soon the finalizer is executed after
the last reference was dropped; this depends on the details of the Haskell
storage manager. The only guarantee is that the finalizer runs before the
As others have noted too, there is in fact *no* guarantee that finalizers are
called. The only way I found to force calling of finalizers is explicitly
calling System.Mem.performGC before the program exits.
Is this a bug in the implementation of finalizers or is the documentation
wrong or am I just stupid?
Top level things with identity are evil. -- Lennart Augustsson
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