I can do it with

Stream basicNew.

but I have to invoke it twice. The first time it works ok.



On Thu, Dec 1, 2011 at 12:48 PM, Stéphane Ducasse <stephane.duca...@inria.fr
> wrote:

> gary
>
> can you post the smallest code that makes the system hangs?
>
> Stef
>
> On Dec 1, 2011, at 4:48 PM, Larry White wrote:
>
> > Hi,
> >
> > Throwing this out there because it may be a bug.
> >
> > I'm running the Seaside one-click install on OS X Lion.
> > Pharo1.3
> > Latest update: #13302
> >
> > I can reliably cause my VM to freeze up and need to Force-Quit it from
> the OS.
> >
> > I'm implementing (copying) the probability logic from the blue book.
> When I tried to create an instance of the Binomial class, the system hung.
> I can replicate the problem by sending the message #basicNew to
> ProbabilityDistribution. ProbabilityDistribution is a direct subclass of
> Stream and I haven't overridden or modified #basicNew.
> >
> > What's happening is that it fails in the BlockClosure [anObject doit],
> but only when I instantiate a member of this particular class hierarchy. In
> the probability classes, a #doIt in a Workspace hits the line "self
> suspend" in the #terminate method of Process and the VM hangs there.
> >
> > I believe they had ProbabilityDistribution subclass from Stream because
> sampling from a distribution is like reading from a Stream, but I don't
> think any there's any actual shared code, so I switched the superclass of
> ProbabilityDistribution to Object and the code works fine now.
> >
> > Thanks.
> >
> > Larry
>
>
>

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