malthe commented on a change in pull request #20731:
URL: https://github.com/apache/airflow/pull/20731#discussion_r802468952
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File path: airflow/models/taskinstance.py
##########
@@ -1438,7 +1443,13 @@ def _execute_task_with_callbacks(self, context):
"""Prepare Task for Execution"""
from airflow.models.renderedtifields import RenderedTaskInstanceFields
+ parent_pid = os.getpid()
+
def signal_handler(signum, frame):
+ pid = os.getpid()
+ if pid != parent_pid:
+ os._exit(1)
Review comment:
So that's because ... well it's a bit of an odd-ball, but it's motivated
by a DAG in the test suite which forks inside DAG code.
What happens then is that it returns back out to the calling framework, but
we don't want to handle such a forked process coming back in, we just want to
handle our own forked process.
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