From: Victor Stinner <victor.stinner@gmail.com>
Date: Mon, 2 Oct 2017 15:27:34 +0000 (-0700)
Subject: bpo-31510: Fix multiprocessing test_many_processes() on macOS (#3857)
X-Git-Tag: v3.7.0a2~74
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e6cfdefa0c2f5bda177e49b228c2c7528f7c239c;p=python

bpo-31510: Fix multiprocessing test_many_processes() on macOS (#3857)

On macOS, a process can exit with -SIGKILL if it is killed "early"
with SIGTERM.
---

diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
index fda20f1f40..8e004e21a4 100644
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -501,8 +501,13 @@ class _TestProcess(BaseTestCase):
         for p in procs:
             join_process(p)
         if os.name != 'nt':
+            exitcodes = [-signal.SIGTERM]
+            if sys.platform == 'darwin':
+                # bpo-31510: On macOS, killing a freshly started process with
+                # SIGTERM sometimes kills the process with SIGKILL.
+                exitcodes.append(-signal.SIGKILL)
             for p in procs:
-                self.assertEqual(p.exitcode, -signal.SIGTERM)
+                self.assertIn(p.exitcode, exitcodes)
 
     def test_lose_target_ref(self):
         c = DummyCallable()