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authorVictor Stinner <vstinner@redhat.com>2018-06-27 13:18:39 (GMT)
committerGitHub <noreply@github.com>2018-06-27 13:18:39 (GMT)
commit0aab8660cdaa540730994afbce49a146dd779bce (patch)
tree239202f2522f1020e7c5f29d1675b2b11becb06c /Lib/multiprocessing
parent2cc9d21fffb8146d30e6fb4221e32410ba4b4ab7 (diff)
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bpo-33929: Fix regression in spawn_main() (#7962)
OpenProcess() creates a new handle that must be closed later.
Diffstat (limited to 'Lib/multiprocessing')
-rw-r--r--Lib/multiprocessing/spawn.py8
1 files changed, 6 insertions, 2 deletions
diff --git a/Lib/multiprocessing/spawn.py b/Lib/multiprocessing/spawn.py
index 2de4cb7..73aa694 100644
--- a/Lib/multiprocessing/spawn.py
+++ b/Lib/multiprocessing/spawn.py
@@ -103,8 +103,12 @@ def spawn_main(pipe_handle, parent_pid=None, tracker_fd=None):
_winapi.PROCESS_DUP_HANDLE, False, parent_pid)
else:
source_process = None
- new_handle = reduction.duplicate(pipe_handle,
- source_process=source_process)
+ try:
+ new_handle = reduction.duplicate(pipe_handle,
+ source_process=source_process)
+ finally:
+ if source_process is not None:
+ _winapi.CloseHandle(source_process)
fd = msvcrt.open_osfhandle(new_handle, os.O_RDONLY)
else:
from . import semaphore_tracker