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Diffstat (limited to 'src/buildstream/_scheduler/scheduler.py')
| -rw-r--r-- | src/buildstream/_scheduler/scheduler.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/buildstream/_scheduler/scheduler.py b/src/buildstream/_scheduler/scheduler.py index a45da82f9..ca7e9279c 100644 --- a/src/buildstream/_scheduler/scheduler.py +++ b/src/buildstream/_scheduler/scheduler.py @@ -171,6 +171,12 @@ 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() |