Note that that function has a sleep parameter. It doesn't return until an event ... | Hacker News

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DerekL 11 months ago | parent | context | favorite | on: Turning an iPad Pro into the Ultimate Classic Maci...

Note that that function has a sleep parameter. It doesn't return until an event has arrived or the sleep time has elapsed.

Someone 11 months ago [–]

I may be mistaken, but I don’t think Apple ever stopped the CPU (a 68000 could be stopped and continue running on an interrupt, but I don’t think they ever used that)

DerekL 11 months ago | [–]

Yeah, it might not have saved power, but it did allow the machine to spend time on useful things.

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