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Re: Does perl really need to use sigsetjmp? (18% performance hit)

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Nicholas Clark
January 21, 2001 06:22
Re: Does perl really need to use sigsetjmp? (18% performance hit)
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On Sun, Jan 21, 2001 at 02:06:39PM +0000, Alan Burlison wrote:
> Nicholas Clark wrote:
> > This makes sense. I'm reasoning (well, guessing) that eval really needs
> > interpreter data structures that let us make a proposed set of changes,
> > and then roll back or commit them when the eval exits
> > (can any relational database nest transactions? if not, then perl has do to
> > something more than they do)
> I'm leery of this idea of putting transactions into perl.  There was a

Hangon. Is this perl6 now? Which list should it get to?

I was meaning it more as an analogy, for stuff that shouldn't leak if
an eval dies. But it's not a great one, as you can eval inside an eval.
And only perl internals stuff. I was meaning that this was "implementation"
and perl scripts don't get to see it.

> side.  Please, let's get something a) well architected b) simple and c)
> robust working first before we start trying to do a PhD project.

I agree. And I don't think we ever want to do a PhD project.
We'd like something that works for applications. Not research exploring
the alternatives available.

Nicholas Clark

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