Add cleanup_socket to AbstractEventLoop create_unix_server

stdlib/@tests/stubtest_allowlists/py313.txt

@@ -104,6 +104,10 @@ codecs.replace_errors  # Runtime incorrectly has `self`
 codecs.strict_errors  # Runtime incorrectly has `self`
 codecs.xmlcharrefreplace_errors  # Runtime incorrectly has `self`
 
+# The concrete Unix event loop accepts this Python 3.13 parameter, but the
+# abstract runtime signature has not been updated.
+asyncio.events.AbstractEventLoop.create_unix_server  # parameter `cleanup_socket`
+
 # These multiprocessing proxy methods have *args, **kwargs signatures at runtime,
 # But have more precise (accurate) signatures in the stub
 multiprocessing.managers._BaseDictProxy.__iter__

stdlib/@tests/stubtest_allowlists/py314.txt

@@ -138,6 +138,10 @@ codecs.replace_errors  # Runtime incorrectly has `self`
 codecs.strict_errors  # Runtime incorrectly has `self`
 codecs.xmlcharrefreplace_errors  # Runtime incorrectly has `self`
 
+# The concrete Unix event loop accepts this Python 3.13 parameter, but the
+# abstract runtime signature has not been updated.
+asyncio.events.AbstractEventLoop.create_unix_server  # parameter `cleanup_socket`
+
 # These multiprocessing proxy methods have *args, **kwargs signatures at runtime,
 # But have more precise (accurate) signatures in the stub
 multiprocessing.managers._BaseDictProxy.__iter__

stdlib/@tests/stubtest_allowlists/py315.txt

@@ -138,6 +138,10 @@ codecs.replace_errors  # Runtime incorrectly has `self`
 codecs.strict_errors  # Runtime incorrectly has `self`
 codecs.xmlcharrefreplace_errors  # Runtime incorrectly has `self`
 
+# The concrete Unix event loop accepts this Python 3.13 parameter, but the
+# abstract runtime signature has not been updated.
+asyncio.events.AbstractEventLoop.create_unix_server  # parameter `cleanup_socket`
+
 # These multiprocessing proxy methods have *args, **kwargs signatures at runtime,
 # but have more precise (accurate) signatures in the stub.
 multiprocessing.managers._BaseDictProxy.__iter__

stdlib/@tests/test_cases/asyncio/check_events-py313.py

@@ -0,0 +1,12 @@
+from __future__ import annotations
+
+import asyncio
+import sys
+from collections.abc import Callable
+
+if sys.version_info >= (3, 13):
+
+    async def check_abstract_event_loop_create_unix_server_cleanup_socket(
+        loop: asyncio.AbstractEventLoop, protocol_factory: Callable[[], asyncio.Protocol]
+    ) -> None:
+        await loop.create_unix_server(protocol_factory, cleanup_socket=False)

stdlib/asyncio/events.pyi

@@ -422,18 +422,33 @@ class AbstractEventLoop:
             ssl_handshake_timeout: float | None = None,
             ssl_shutdown_timeout: float | None = None,
         ) -> Transport | None: ...
-        async def create_unix_server(
-            self,
-            protocol_factory: _ProtocolFactory,
-            path: StrPath | None = None,
-            *,
-            sock: socket | None = None,
-            backlog: int = 100,
-            ssl: _SSLContext = None,
-            ssl_handshake_timeout: float | None = None,
-            ssl_shutdown_timeout: float | None = None,
-            start_serving: bool = True,
-        ) -> Server: ...
+        if sys.version_info >= (3, 13):
+            async def create_unix_server(
+                self,
+                protocol_factory: _ProtocolFactory,
+                path: StrPath | None = None,
+                *,
+                sock: socket | None = None,
+                backlog: int = 100,
+                ssl: _SSLContext = None,
+                ssl_handshake_timeout: float | None = None,
+                ssl_shutdown_timeout: float | None = None,
+                start_serving: bool = True,
+                cleanup_socket: bool = True,
+            ) -> Server: ...
+        else:
+            async def create_unix_server(
+                self,
+                protocol_factory: _ProtocolFactory,
+                path: StrPath | None = None,
+                *,
+                sock: socket | None = None,
+                backlog: int = 100,
+                ssl: _SSLContext = None,
+                ssl_handshake_timeout: float | None = None,
+                ssl_shutdown_timeout: float | None = None,
+                start_serving: bool = True,
+            ) -> Server: ...
     else:
         @abstractmethod
         async def start_tls(