From 021f4c2ecca4e65755fc39b01b7819df8dd9993f Mon Sep 17 00:00:00 2001
From: Richard Oudkerk <shibturn@gmail.com>
Date: Thu, 15 Nov 2012 18:16:35 +0000
Subject: [PATCH] Issue #16481: multiprocessing no longer leaks process handles
 on Windows.

---
 Lib/multiprocessing/forking.py | 1 +
 Misc/NEWS                      | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/Lib/multiprocessing/forking.py b/Lib/multiprocessing/forking.py
index af6580dc5dc..c5501a2f753 100644
--- a/Lib/multiprocessing/forking.py
+++ b/Lib/multiprocessing/forking.py
@@ -233,6 +233,7 @@ else:
                 self.returncode = None
                 self._handle = hp
                 self.sentinel = int(hp)
+                util.Finalize(self, _winapi.CloseHandle, (self.sentinel,))
 
                 # send information to child
                 Popen._tls.process_handle = int(hp)
diff --git a/Misc/NEWS b/Misc/NEWS
index 2c165e0847a..9e456057c6d 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -85,6 +85,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #16481: multiprocessing no longer leaks process handles on Windows.
+
 - Issue #16140: The subprocess module no longer double closes its child
   subprocess.PIPE parent file descriptors on child error prior to exec().