[issue38267] Add thread timeout for loop.shutdown_default_executor

Change by Kyle Stanley : -- keywords: +patch pull_requests: +15941 stage: -> patch review pull_request: https://github.com/python/cpython/pull/16360 ___ Python tracker ___ ___

[issue38267] Add thread timeout for loop.shutdown_default_executor

New submission from Kyle Stanley : Currently, for the recently added coroutine `loop.shutdown_default_executor()`, the executor shutdown can wait indefinitely for the threads to join. Under normal circumstances, waiting on the threads is appropriate, but there should be a timeout duration in