diff options
Diffstat (limited to 'Lib/concurrent/futures/thread.py')
| -rw-r--r-- | Lib/concurrent/futures/thread.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/concurrent/futures/thread.py b/Lib/concurrent/futures/thread.py index b7a2cac..51c942f 100644 --- a/Lib/concurrent/futures/thread.py +++ b/Lib/concurrent/futures/thread.py @@ -36,6 +36,12 @@ def _python_exit(): # See bpo-39812 for context. threading._register_atexit(_python_exit) +# At fork, reinitialize the `_global_shutdown_lock` lock in the child process +if hasattr(os, 'register_at_fork'): + os.register_at_fork(before=_global_shutdown_lock.acquire, + after_in_child=_global_shutdown_lock._at_fork_reinit, + after_in_parent=_global_shutdown_lock.release) + class _WorkItem(object): def __init__(self, future, fn, args, kwargs): |