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Re: Are PERL_COPY_ON_WRITE smokes useful?

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From:
demerphq
Date:
May 2, 2007 05:09
Subject:
Re: Are PERL_COPY_ON_WRITE smokes useful?
Message ID:
9b18b3110705020509n6a697663t37c5b52ad093e93b@mail.gmail.com
On 5/2/07, Nicholas Clark <nick@ccl4.org> wrote:
> On Wed, May 02, 2007 at 12:57:33PM +0100, Steve Hay wrote:
> > Nicholas Clark wrote:
>
> > Oh. And I assume that smoking PERL_OLD_COPY_ON_WRITE wouldn't be useful
> > either (judging by its name)?
>
> I'm not convinced. Right now I suspect that it will fail an assertion
> somewhere in the regexp code (not tried, and typing faster than thinking or
> trying, it seems - will take time to try)
>
> It's not un-useful. But it's not that useful either.
> And it's sort of nice if it doesn't break, because it validates that all the
> current "this is a write so you need to make a copy" logic is working.

I agree it would be cool to know if it works...

Especially as I'm likely to have been the person who broke it. :-)

Yves


-- 
perl -Mre=debug -e "/just|another|perl|hacker/"

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