From 050ec19526413e22fe485e5a0a6911c9d33fb377 Mon Sep 17 00:00:00 2001
From: Guo Ci <zguoci@gmail.com>
Date: Mon, 24 Nov 2025 11:39:19 -0500
Subject: [PATCH] [stdlib] add `multiprocessing.synchronize.SemLock.locked`
 (#15065)

---
 stdlib/@tests/stubtest_allowlists/py314.txt | 1 -
 stdlib/multiprocessing/synchronize.pyi      | 3 +++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/stdlib/@tests/stubtest_allowlists/py314.txt b/stdlib/@tests/stubtest_allowlists/py314.txt
index 8dbc81dff..bd002b55a 100644
--- a/stdlib/@tests/stubtest_allowlists/py314.txt
+++ b/stdlib/@tests/stubtest_allowlists/py314.txt
@@ -12,7 +12,6 @@ multiprocessing.managers._BaseDictProxy.__reversed__
 multiprocessing.managers._BaseDictProxy.__ror__
 multiprocessing.managers._BaseDictProxy.fromkeys
 multiprocessing.process.BaseProcess.interrupt
-multiprocessing.synchronize.SemLock.locked
 
 
 # =========================
diff --git a/stdlib/multiprocessing/synchronize.pyi b/stdlib/multiprocessing/synchronize.pyi
index a0d97baa0..541e0b05d 100644
--- a/stdlib/multiprocessing/synchronize.pyi
+++ b/stdlib/multiprocessing/synchronize.pyi
@@ -1,3 +1,4 @@
+import sys
 import threading
 from collections.abc import Callable
 from multiprocessing.context import BaseContext
@@ -45,6 +46,8 @@ class SemLock:
     # These methods are copied from the wrapped _multiprocessing.SemLock object
     def acquire(self, block: bool = True, timeout: float | None = None) -> bool: ...
     def release(self) -> None: ...
+    if sys.version_info >= (3, 14):
+        def locked(self) -> bool: ...
 
 class Lock(SemLock):
     def __init__(self, *, ctx: BaseContext) -> None: ...