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BLESession.close: Improve close handler

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Guard peripheral disconnect handling with lock not to race with other
peripheral operations. After disconnect, set None to the peripheral
reference to ensure no use.
This commit is contained in:
Shin'ichiro Kawasaki
2020-07-25 10:24:48 +09:00
parent dd194ae1c2
commit fe86e485f4
1 changed files with 3 additions and 1 deletions
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4
scratch_link.py
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@@ -433,7 +433,9 @@ class BLESession(Session):
self.status = self.DONE self.status = self.DONE
if self.perip: if self.perip:
logger.info(f"disconnect to BLE peripheral: {self.perip}") logger.info(f"disconnect to BLE peripheral: {self.perip}")
self.perip.disconnect() with self.lock:
self.perip.disconnect()
self.perip = None
def __del__(self): def __del__(self):
self.close() self.close()