Aha, ok, maybe the VM just checks every 250ms to see if a higher priority is 
ready to run.

But then, there probably will be one everytime (e.g. UI handling), so after 
the VM lets the UI handling routines run and what ever else, he puts back 
the last running process?


>From: Bert Freudenberg <bert at freudenbergs.de>
>Reply-To: The general-purpose Squeak developers 
>list<squeak-dev at lists.squeakfoundation.org>
>To: The general-purpose Squeak developers 
>list<squeak-dev at lists.squeakfoundation.org>
>Subject: Re: Multiple processes using #nextPutAll:
>Date: Sat, 26 May 2007 18:24:08 +0200
>
>On May 26, 2007, at 18:17 , J J wrote:
>
>>Well Tim and John had mentioned that a given process gets preemited  after 
>>around 250 ms
>
>You must have misinterpreted that part. A given process continues to  run 
>indefinitely until one of the conditions listed by Nicolas below  happens.
>
>- Bert -
>
>On May 26, 2007, at 18:16 , nicolas cellier wrote:
>>>It can be pre-empted
>>>- if the process explicitely yield
>>>- if the process is blocked on a Semaphore
>>>- if a higher priority process is unblocked.
>
>
>
>
>

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