potiuk commented on a change in pull request #22685:
URL: https://github.com/apache/airflow/pull/22685#discussion_r840751663
##########
File path: airflow/dag_processing/processor.py
##########
@@ -231,6 +231,9 @@ def _kill_process(self) -> None:
if self._process.is_alive() and self._process.pid:
self.log.warning("Killing DAGFileProcessorProcess (PID=%d)",
self._process.pid)
os.kill(self._process.pid, signal.SIGKILL)
+
+ # Reap the spawned zombie
+ os.waitpid(self._process.pid, 0)
Review comment:
Ough. Very interesting . So it seems that this one (or similar) is
safer (ad waitpid might crash for Python 3.9+) :)
Do I read it right ?
```
while self._process.poll() is None:
sleep(0.001)
```
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