[squeak-dev] Re: Using #= for integer comparison instead of #==
avalloud at smalltalk.comcastbiz.net
Fri Nov 26 17:09:38 UTC 2010
Can you assume that allocation is sequential?
On 11/26/10 8:59 , Bert Freudenberg wrote:
> On 26.11.2010, at 17:43, Andres Valloud wrote:
>>> You *must* use an end marker, i.e.,
>>> last := Object new. "end marker"
>>> obj := self someObject.
>>> [last == obj] whileFalse:[
>>> count := count + 1.
>>> obj := obj nextObject.
>>> This will work because it counts between the beginning of memory and the
>>> (arbitrary) end marker. Anything else basically should not be relied on
>>> to work, jit or no.
>> What happens if a process with higher priority interrupts the iteration and creates more objects?
> New objects would come after the end marker in memory.
> - Bert -
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