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-rw-r--r--Lib/multiprocessing/forkserver.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/Lib/multiprocessing/forkserver.py b/Lib/multiprocessing/forkserver.py
index b9f9b9d..69b842a 100644
--- a/Lib/multiprocessing/forkserver.py
+++ b/Lib/multiprocessing/forkserver.py
@@ -236,8 +236,11 @@ def main(listener_fd, alive_r, preload, main_path=None, sys_path=None):
code = 1
try:
listener.close()
+ selector.close()
+ unused_fds = [alive_r, child_w, sig_r, sig_w]
+ unused_fds.extend(pid_to_fd.values())
code = _serve_one(child_r, fds,
- (alive_r, child_w, sig_r, sig_w),
+ unused_fds,
old_handlers)
except Exception:
sys.excepthook(*sys.exc_info())