diff options
| -rw-r--r-- | Lib/multiprocessing/pool.py | 9 | ||||
| -rw-r--r-- | Misc/NEWS | 2 |
2 files changed, 8 insertions, 3 deletions
diff --git a/Lib/multiprocessing/pool.py b/Lib/multiprocessing/pool.py index 7f5a7e3..59e547a 100644 --- a/Lib/multiprocessing/pool.py +++ b/Lib/multiprocessing/pool.py @@ -496,7 +496,8 @@ class Pool(object): # We must wait for the worker handler to exit before terminating # workers because we don't want workers to be restarted behind our back. debug('joining worker handler') - worker_handler.join() + if threading.current_thread() is not worker_handler: + worker_handler.join() # Terminate workers which haven't already finished. if pool and hasattr(pool[0], 'terminate'): @@ -506,10 +507,12 @@ class Pool(object): p.terminate() debug('joining task handler') - task_handler.join() + if threading.current_thread() is not task_handler: + task_handler.join() debug('joining result handler') - result_handler.join() + if threading.current_thread() is not result_handler: + result_handler.join() if pool and hasattr(pool[0], 'terminate'): debug('joining pool workers') @@ -29,6 +29,8 @@ Core and Builtins Library ------- +- Issue #15101: Make pool finalizer avoid joining current thread. + - Issue #14657: The frozen instance of importlib used for bootstrap is now also the module imported as importlib._bootstrap. |