[squeak-dev] Re: what was the index of TheInputSemaphore in older
VMs?
Andreas Raab
andreas.raab at gmx.de
Wed Jan 28 22:59:35 UTC 2009
Eliot Miranda wrote:
> #define TheInterruptSemaphore null
>
> so if one opens up the 1995 image and it tries to set the input
> semaphore it'll simply overwrite nil, which won't make the system very
> happy. So once again,
>
> anyone know what the correct value for TheInputSemaphore should be in a
> circa 1995 VM/image?
ObjectMemory>>initializeSpecialObjectIndices
ProcessSignalingLowSpace := 22. "was TheInputSemaphore"
I think "reusing" this index is wrong and should be considered broken
(though it certainly doesn't matter for the Cog VM).
Cheers,
- Andreas
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