Re: job control for the es shell

[Paul Haahr <paul@paulhaahr.com>]

Olaf Rogalsky wrote
> A feature, which IMHO is badly missing form the es shell, is job control.
> That's why I made a hack that implements it. If your are interested,
> you can get it form:

Nice going.  I haven't had a chance to look at it, but I'm impressed
that you were able to shoehorn it in.

> P.S.: Can anybody explain to me, what the Ref, RefPop, RefReturn etc
>       macros are for?

Identifying the root set for the purposes of garbage collection.

If in doubt about whether you have them correct, run with GCDEBUG and
GCALWAYS on and any GC bugs should show up fairly quickly.

--p