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| -rw-r--r-- | buildstream/_scheduler/scheduler.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/buildstream/_scheduler/scheduler.py b/buildstream/_scheduler/scheduler.py index 101faccce..131cbb1d5 100644 --- a/buildstream/_scheduler/scheduler.py +++ b/buildstream/_scheduler/scheduler.py @@ -137,6 +137,12 @@ class Scheduler(): # Hold on to the queues to process self.queues = queues + # NOTE: Enforce use of `SafeChildWatcher` as we generally don't want + # background threads. + # In Python 3.8+, `ThreadedChildWatcher` is the default watcher, and + # not `SafeChildWatcher`. + asyncio.set_child_watcher(asyncio.SafeChildWatcher()) + # Ensure that we have a fresh new event loop, in case we want # to run another test in this thread. self.loop = asyncio.new_event_loop() |