From 2e9b564b44f4b26128e3f7587000aea2cf954869 Mon Sep 17 00:00:00 2001
From: Dong-hee Na <donghee.na92@gmail.com>
Date: Sun, 12 Apr 2020 02:49:06 +0900
Subject: [PATCH 1/2] bpo-40221: Update ForkAwareThreadLock to use
 _at_fork_reinit

---
 Lib/multiprocessing/util.py                               | 8 ++++----
 .../next/Library/2020-04-12-02-46-29.bpo-40221.rQmSte.rst | 1 +
 2 files changed, 5 insertions(+), 4 deletions(-)
 create mode 100644 Misc/NEWS.d/next/Library/2020-04-12-02-46-29.bpo-40221.rQmSte.rst

diff --git a/Lib/multiprocessing/util.py b/Lib/multiprocessing/util.py
index 32c7a96d2534d9..21f2a7ebe25002 100644
--- a/Lib/multiprocessing/util.py
+++ b/Lib/multiprocessing/util.py
@@ -367,13 +367,13 @@ def _exit_function(info=info, debug=debug, _run_finalizers=_run_finalizers,
 
 class ForkAwareThreadLock(object):
     def __init__(self):
-        self._reset()
-        register_after_fork(self, ForkAwareThreadLock._reset)
-
-    def _reset(self):
         self._lock = threading.Lock()
         self.acquire = self._lock.acquire
         self.release = self._lock.release
+        register_after_fork(self, ForkAwareThreadLock._at_fork_reinit)
+
+    def _at_fork_reinit(self):
+        self._lock._at_fork_reinit()
 
     def __enter__(self):
         return self._lock.__enter__()
diff --git a/Misc/NEWS.d/next/Library/2020-04-12-02-46-29.bpo-40221.rQmSte.rst b/Misc/NEWS.d/next/Library/2020-04-12-02-46-29.bpo-40221.rQmSte.rst
new file mode 100644
index 00000000000000..767371f239fb53
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2020-04-12-02-46-29.bpo-40221.rQmSte.rst
@@ -0,0 +1 @@
+Update ForkAwareThreadLock to use _at_fork_reinit.

From 24c5e51d4a275186ff4bde2316324fe3f98bcd20 Mon Sep 17 00:00:00 2001
From: Dong-hee Na <donghee.na92@gmail.com>
Date: Tue, 14 Apr 2020 21:50:20 +0900
Subject: [PATCH 2/2] bpo-40221: Update

---
 .../NEWS.d/next/Library/2020-04-12-02-46-29.bpo-40221.rQmSte.rst | 1 -
 1 file changed, 1 deletion(-)
 delete mode 100644 Misc/NEWS.d/next/Library/2020-04-12-02-46-29.bpo-40221.rQmSte.rst

diff --git a/Misc/NEWS.d/next/Library/2020-04-12-02-46-29.bpo-40221.rQmSte.rst b/Misc/NEWS.d/next/Library/2020-04-12-02-46-29.bpo-40221.rQmSte.rst
deleted file mode 100644
index 767371f239fb53..00000000000000
--- a/Misc/NEWS.d/next/Library/2020-04-12-02-46-29.bpo-40221.rQmSte.rst
+++ /dev/null
@@ -1 +0,0 @@
-Update ForkAwareThreadLock to use _at_fork_reinit.