can you call wakeup(9) from a fast interrupt handler? I couldn't find
the specific answer from the man page:
All processes
sleeping on a single ident are woken up later by wakeup, often called
from inside an interrupt routine, to indicate that the resource the pro-
cess was blocking on is available now.
The only reason I ask is because sio seems to go out of its way to
schedule a soft interrupt to deal with waking up processes, which then
calls wakeup...
Warner
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