Finalizers etcetera

[Simon Peyton-Jones]

| > c) On systems (like Hugs and NHC) that have no synchronisation
| > primitives, you have to roll your own by calling C procedures.
| 
| Just to be clear about this.
| 
| You are not rolling your own synchronization primitive, you are
| writing code that is guaranteed to contain no preemption points
| because it does not call Haskell.

Yes, you're right. I should have said that.

Simon