Re: [boost] Re: shifted_ptr<> w/ lock mechanism

From: Larry Evans (jcampbell3_at_[hidden])
Date: 2003-01-30 16:25:06

Philippe A. Bouchard wrote:

[snip]
> 
> I guess it would also be possible to allocate a "shifted object" into some
> specific memory page, so operator delete will be able to quickly detect
> weither the object is shifted or not.  This way it would be possible to
> overload the main operator new.
> 

I think this is what BW does to distinguish between pointers produced by
GC_malloc_uncollectable and gc_malloc.  Also, I think cmm does something
similar (see ftp://ftp.di.unipi.it/pub/Papers/attardi/SPE.ps.gz ).