FunPtr callbacks broken?

[Jeremy Shaw]

At Thu, 20 Oct 2005 16:59:30 -0400,
Wolfgang Thaller wrote:
> 
> > simplejack: schedule: re-entered unsafely.
> >    Perhaps a 'foreign import unsafe' should be 'safe'?

> Are jack callbacks invoked on a second thread? (looks like they are).  

I am not quite sure what you mean by this, but the answer is probably
yes anyway you slice it. The callback is called by a thread in another
program (the jack daemon).

> If so, you need to use the threaded RTS, activated by passing - 
> threaded to ghc.
> 
> ghc --make -fglasgow-exts SimpleJack.hs -o simplejack  -ljack -threaded

Ah! That seems to have fixed it. Thanks!

Jeremy Shaw.