(no subject)

[Yu Chen]

hi,
   i've found the reason with someone's help. it is because i used
"%code" instead of "safecode" in the gc file where i did callback.
   thanks!

----
chenyu

---------- Original Message ----------------------------------
From: "Simon Marlow" <simonmar@microsoft.com>
Date: Mon, 26 Nov 2001 09:42:39 -0000

>
>>     i use green-card with ghc's FFI export to sth like
>>                       
>>       Haskell  -----> C ------> Haskell
>> 
>>     the program is just arithmatic operations. the program "seg fault"
>> in the callback from C to Haskell. anyone whether it is a bug?
>
>There aren't any known bugs, but there are many known pitfalls.  You'll
>need to give us more information, at least: the code that causes the
>crash (preferably a small example), the exact GHC command lines used to
>compile it, your GHC version, your machine and OS version.
>
>Cheers,
>
Simon
>