Consecutive FFI calls

David Turner dct25-561bs at
Fri May 29 07:52:19 UTC 2015

(cross-posted from ghc-dev and the cafe, with apologies to cross-subscribers)


If I make a sequence of FFI calls (on a single Haskell thread) but
which end up being called from different OS threads, is there any kind
of ordering guarantee given? More specifically, is there a full memory
barrier at the point where a Haskell thread migrates to a new OS

Many thanks,


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