From: Antoine Pitrou <antoine@python.org>
Date: Mon, 13 May 2019 18:02:46 +0000 (+0200)
Subject: bpo-36894: Fix regression in test_multiprocessing_spawn (no tests run on Windows... 
X-Git-Tag: v3.8.0b1~383
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=95da83d9bac698d420cc308e8699ef6e4fae2aca;p=thirdparty%2FPython%2Fcpython.git

bpo-36894: Fix regression in test_multiprocessing_spawn (no tests run on Windows) (GH-13290)
---

diff --git a/Lib/multiprocessing/resource_tracker.py b/Lib/multiprocessing/resource_tracker.py
index e67e0b213eb9..61a6dd66e72e 100644
--- a/Lib/multiprocessing/resource_tracker.py
+++ b/Lib/multiprocessing/resource_tracker.py
@@ -20,8 +20,6 @@ import signal
 import sys
 import threading
 import warnings
-import _multiprocessing
-import _posixshmem
 
 from . import spawn
 from . import util
@@ -33,10 +31,17 @@ _IGNORED_SIGNALS = (signal.SIGINT, signal.SIGTERM)
 
 _CLEANUP_FUNCS = {
     'noop': lambda: None,
-    'semaphore': _multiprocessing.sem_unlink,
-    'shared_memory': _posixshmem.shm_unlink
 }
 
+if os.name == 'posix':
+    import _multiprocessing
+    import _posixshmem
+
+    _CLEANUP_FUNCS.update({
+        'semaphore': _multiprocessing.sem_unlink,
+        'shared_memory': _posixshmem.shm_unlink,
+    })
+
 
 class ResourceTracker(object):