Issue #14522: Avoid duplicating socket handles in multiprocessing.connection.
Patch by sbt.
diff --git a/Lib/multiprocessing/connection.py b/Lib/multiprocessing/connection.py
index 4e45443..90c1ea7 100644
--- a/Lib/multiprocessing/connection.py
+++ b/Lib/multiprocessing/connection.py
@@ -591,10 +591,7 @@
def accept(self):
s, self._last_accepted = self._socket.accept()
- fd = duplicate(s.fileno())
- conn = Connection(fd)
- s.close()
- return conn
+ return Connection(s.detach())
def close(self):
self._socket.close()
@@ -609,9 +606,7 @@
family = address_type(address)
with socket.socket( getattr(socket, family) ) as s:
s.connect(address)
- fd = duplicate(s.fileno())
- conn = Connection(fd)
- return conn
+ return Connection(s.detach())
#
# Definitions for connections based on named pipes
@@ -665,7 +660,7 @@
def _finalize_pipe_listener(queue, address):
sub_debug('closing listener with address=%r', address)
for handle in queue:
- close(handle)
+ win32.CloseHandle(handle)
def PipeClient(address):
'''
@@ -885,7 +880,3 @@
raise
if timeout is not None:
timeout = deadline - time.time()
-
-
-# Late import because of circular import
-from multiprocessing.forking import duplicate, close