— In that use case spawn isn't part of it
— The interrupt or the kernel?
— The kernel is just that old bastard child hertzfeld kernel, the interrupt is pretty much any signal you want to make the code pause, giving control to something else on-demand
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— In a kernel, you need interrupts to do multithreading (in this case fake emulated multithreading on 1 thread) so that's why those 2 things are related
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— How do debuggers pause code in runtime?
— Would this be useful for someone who builds debuggers, for example?