[Vm-dev] Re: [Vm-beginners] Re: Where does process preemtion takes place?

[Guillermo Polito]

But somehow if I run

[ [true] whileTrue: [ Transcript show: 'asd'; cr.] ] fork.

It gets preempted while it is running, and It does not make any yield...

On Mon, Dec 10, 2012 at 4:17 PM, Bert Freudenberg <bert at freudenbergs.de>wrote:

>
> On 2012-12-10, at 14:22, Guillermo Polito <guillermopolito at gmail.com>
> wrote:
>
> > Hi!
> >
> > I was looking at the process machinery in VMMaker and I can't find where
> the preemption of processes takes place...
> >
> > Can someone point me a place?
>
> It happens in #transferTo:. This is called whenever a process is resumed
> because a semaphore got signaled (in which case the process that was
> waiting on the semaphore is resumed) or if the process stops working
> because of a wait / yield / suspend call (in which case
> #wakeHighestPriority determines the next process).
>
> - Bert -
>
> PS: no need to send a mail to both vm-dev and vm-beginners :)
>
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