Is there a modern GC for D?

[Leandro Lucarella]

Michel Fortin, el 12 de febrero a las 19:47 me escribiste:
> >Cool. Hadn't thought of something so simple. I just watched a
> >channel 9  blog  (http://channel9.msdn.com/shows/Going%20Deep/Mark-Russinovich-Inside-Windows-7-Redux/)
> >and about half-way through they talk about new process reflection
> >capabilities in Windows 7, which are an extension of fork, which
> >they've  had for a while (for posix compatibility, etc). Also, the
> >PAGE_WRITECOPY  protection should also allow this to work on
> >Windows, at a finer grain.
> 
> It looks cool indeed. I was a little wary for ill effects at first,
> so I attempted to insert an innocuous:
> 
> 	if (fork() == 0) {
> 		sleep(1); // do mark and sweep and return the result to the parent process.
> 		exit(0);
> 	}
> 
> in a (single-threaded) Cocoa application. No ill effect found (as
> long as you don't forget the exit(0)). I wonder how it'd fly on
> Windows though, isn't process creation a little more heavyweight?

I know Linux is very fast at fork()ing, you can even use clone() directly
to avoid copying file descriptor tables for example. Even more, you get
all the threads stopped in the cloned process for free ;)

-- 
Leandro Lucarella (AKA luca)                     http://llucax.com.ar/
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