On Tue, Aug 5, 2014 at 8:13 AM, Frank Shearar <frank.shearar at gmail.com>
wrote:

> On 5 August 2014 16:00, Eliot Miranda <eliot.miranda at gmail.com> wrote:
> > Hi Frank,
> >
> > On Aug 5, 2014, at 2:20 AM, Frank Shearar <frank.shearar at gmail.com>
> wrote:
> >
> >> On 5 August 2014 03:49, Eliot Miranda <eliot.miranda at gmail.com> wrote:
> >>> ...at http://www.mirandabanda.org/files/Cog/VM/VM.r3058/.
> >>>
> >>> CogVM binaries as per VMMaker.oscog-eem.842/r3058
> >>
> >> I'll update CI this evening.
> >>
> >> Quick question - for the Linux VMs, am I correct in thinking that MT
> >> VMs are _always_ HT? (And that on Windows they are never?)
> >
> > Mac and Win VMs have only heartbeat threads.  Linux VMs have either a
> heartbeat thread or the ITIMER heartbeat.  If the linux archive contains
>  "ht" it's a threaded heartbeat VM, period.  The naming is screwed up
> because ITIMER used to be the only option on linux.  Would changing the
> names so that linux ITIMER VMs were singled out be useful?
>
> Mainly I'm trying to figure out how to map "kind of VM" to a file
> name. I just noticed that
> http://www.mirandabanda.org/files/Cog/VM/VM.r3058/ has a cogmtlinuxht,
> but not a cogmtlinux, VM. But there are both coglinux and coglinuxht
> and images, so it looks like MT and HT are orthogonal switches (on
> Linux, at least).


Yes.  And there is no such switch elsewhere.  And ITIMER will eventually
die the death.


> If they are, that's great, and I need to extend my
> existing kind-of-VM to reflect this, because at the moment it knows
> about :mt, :spur and :normal VMs, whereas it might need to know about
> :mtht, :mt and :ht VMs. Make sense?
>

Yes.

(
> https://github.com/squeak-smalltalk/squeak-ci/blob/master/lib/squeak-ci/cog.rb
> has my horrible hacks: look at cog_location and filename for the
> current mapping of kind-of-VM -> string.
>
> frank

-- 
best,
Eliot
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