summaryrefslogtreecommitdiffstats
path: root/Lib/concurrent/futures/process.py
diff options
context:
space:
mode:
Diffstat (limited to 'Lib/concurrent/futures/process.py')
-rw-r--r--Lib/concurrent/futures/process.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/Lib/concurrent/futures/process.py b/Lib/concurrent/futures/process.py
index 63f22cf..ce7d642 100644
--- a/Lib/concurrent/futures/process.py
+++ b/Lib/concurrent/futures/process.py
@@ -423,6 +423,10 @@ def _queue_management_worker(executor_reference,
# - The executor that owns this worker has been shutdown.
if shutting_down():
try:
+ # Flag the executor as shutting down as early as possible if it
+ # is not gc-ed yet.
+ if executor is not None:
+ executor._shutdown_thread = True
# Since no new work items can be added, it is safe to shutdown
# this thread if there are no pending work items.
if not pending_work_items:
@@ -595,6 +599,9 @@ class ProcessPoolExecutor(_base.Executor):
raise BrokenProcessPool(self._broken)
if self._shutdown_thread:
raise RuntimeError('cannot schedule new futures after shutdown')
+ if _global_shutdown:
+ raise RuntimeError('cannot schedule new futures after '
+ 'interpreter shutdown')
f = _base.Future()
w = _WorkItem(f, fn, args, kwargs)