GC for pure functions -- implementation ideas

[Michel Fortin]

On 2011-04-18 08:27:25 -0400, "Steven Schveighoffer" 
<schveiguy at yahoo.com> said:

> On Sun, 17 Apr 2011 14:08:29 -0400, Michel Fortin  
> <michel.fortin at michelf.com> wrote:
> 
>> On 2011-04-17 05:22:10 -0400, Fawzi Mohamed <fawzi at gmx.ch> said:
>> 
>>> All this comes back again to having several pools, showing how useful
>>> such a primitive is.
>> 
>> Speaking of rethinking the GC and its primitives, is there a way  
>> currently to tell the GC to track pointers to a manually allocated 
>> block  and assign a callback for when the GC wants that block to be 
>> finalized  and deallocated? I'm kinda going to need that if I am to 
>> bring decent  garbage-collected Objective-C objects in D.
> 
> It's coarsely grained, but you can intercept all finalization calls:
> 
> http://www.digitalmars.com/d/2.0/phobos/core_runtime.html#collectHandler
> 
> You'd have to figure out some way to filter only the ones you care about.

Won't do. What I need is to make the GC track memory blocks allocated 
externally, with some callback telling me when they are no longer 
referenced.

I'll probably just add this capability to the GC myself when the time comes.

-- 
Michel Fortin
michel.fortin at michelf.com
http://michelf.com/