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Subject: Re: non-preemptive tasking on GNAT 2020 Windows 10 multicore AMD
From: Dan Winslow <dandwinslow@gmail.com>
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Xref: reader02.eternal-september.org comp.lang.ada:62229
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On Sunday, June 13, 2021 at 12:44:10 PM UTC-5, Jeffrey R. Carter wrote:
> On 6/13/21 6:46 PM, Dan Winslow wrote:=20
> >=20
> > Odd that it doesn't require the gnat.adc pragma though. I suppose linux=
 is counting on delay statements or other sync points to swap. For what I n=
eed, that's perfect.
> I'm surprised the tasks don't swap when one does I/O.
> --=20
> Jeff Carter=20
> "Don't knock masturbation. It's sex with someone I love."=20
> Annie Hall=20
> 45

I thought about that too. Blocked IO in this case is unlikely, but a thread=
 put to sleep waiting on IO completion I can certainly see being swapped. S=
till, if Annex D is strictly respected it shouldn't...I'm starting to wonde=
r what OS actually does fully implement Annex D.