pierrejeambrun commented on code in PR #31403:
URL: https://github.com/apache/airflow/pull/31403#discussion_r1198764707
##########
dev/breeze/src/airflow_breeze/utils/run_utils.py:
##########
@@ -470,7 +471,15 @@ def run_compile_www_assets(
f"{WWW_ASSET_OUT_DEV_MODE_FILE if dev else WWW_ASSET_OUT_FILE}\n"
)
if run_in_background:
- thread = Thread(daemon=True, target=_run_compile_internally,
args=(command_to_execute, dev))
- thread.start()
+ pid = os.fork()
+ if pid:
+ # Parent process - send signal to process group of the child
process
+ atexit.register(os.killpg, pid, signal.SIGTERM)
+ else:
+ # Check if we are not a group leader already (We should not be)
+ if os.getpid() != os.getsid(0):
+ # and create a new process group where we aer the leader
Review Comment:
```suggestion
# and create a new process group where we are the leader
```
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