On Sun, Oct 28, 2007 at 01:31:10PM +0900, redroofgreentree wrote:
>   I have this really nasty SWIG/ruby GC issue. (Namely objects are being
> freed when I don't want them to be freed).
> 
>   These bugs are hard to track down, here's what would really help me:
> 
>   Is there some way I can tell ruby that when it frees an object, to ZERO
> out that entire region in memory? It'll make tracking down the bug so much
> easier.

Valgrind often helps in tracking down these sorts of issues.  You'll
need a suppressions file; the one I use is located at:

  http://rubystuff.org/ruby.supp

Paul