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clarify (and improve) how WAIT works

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Neil Webber 2024-05-23 18:13:38 -05:00
parent 6182fafe06
commit dbe374b4bf
1 changed files with 3 additions and 4 deletions
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7
interrupts.py
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@ -146,11 +146,10 @@ class InterruptManager:
return InterruptTrap(irq.pri, irq.vector) return InterruptTrap(irq.pri, irq.vector)
def waitstate(self, processor_pri): def waitstate(self, processor_pri):
"""Sit idle until any interrupt happens.""" """Sit idle until an interrupt of sufficient priority happens."""
with self.condition: with self.condition:
if self.pri_pending > processor_pri: while self.pri_pending <= processor_pri:
return self.condition.wait()
self.condition.wait_for(lambda: self.pri_pending)
if __name__ == "__main__": if __name__ == "__main__":