Hard-to-reproduce GC bug

Leandro Lucarella llucax at gmail.com
Mon Dec 8 13:33:18 PST 2008


Walter Bright, el  8 de diciembre a las 11:39 me escribiste:
> Leandro Lucarella wrote:
> >Walter Bright, el  7 de diciembre a las 16:04 me escribiste:
> >>Walter Bright wrote:
> >>>Steven Schveighoffer wrote:
> >>>>I'd say most likely that the GC doesn't see anything declared as __thread, so when you use that pointer as the only reference to GC allocated data, it 
> >>>>doesn't see that it's still in use, and will collect.
> >>>Looks like I need to do some research to see how the gc can discover the extent of tls data.
> >>I've got this working now for Windows and Linux for the main program (not for dll's or shared libraries).
> >I saw the change[1] and I wonder why there are mentions to the DMD
> >implementation. Shouldn't that be implementation agnostic, being in the
> >"common" part of the runtime? I guess _tlsstart and _tlsend should be
> >added to the runtime specification[2] too, right?
> 
> I was more concerned about getting it to work right. <g>

Sure, I mentioned it to understand where this is going to =)

Anyway, maybe there should be a ticket or something on this so this issue
don't get lost. Where one should put this kind of things? DMD's bugzilla?
Druntime bugtracker?

-- 
Leandro Lucarella (luca) | Blog colectivo: http://www.mazziblog.com.ar/blog/
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