From: Martin Panter <vadmium+py@gmail.com>
Date: Tue, 8 Mar 2016 07:07:28 +0000 (+0000)
Subject: Issue #26456: Force all child threads to terminate in TestForkInThread
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=20c8cd997458b0313b2a13c94de0889a4a7f1c80;p=python

Issue #26456: Force all child threads to terminate in TestForkInThread
---

diff --git a/Lib/test/test_thread.py b/Lib/test/test_thread.py
index b056039b8c..b466138761 100644
--- a/Lib/test/test_thread.py
+++ b/Lib/test/test_thread.py
@@ -233,7 +233,12 @@ class TestForkInThread(unittest.TestCase):
             if pid == 0: # child
                 os.close(self.read_fd)
                 os.write(self.write_fd, "OK")
-                sys.exit(0)
+                # Exiting the thread normally in the child process can leave
+                # any additional threads (such as the one started by
+                # importing _tkinter) still running, and this can prevent
+                # the half-zombie child process from being cleaned up. See
+                # Issue #26456.
+                os._exit(0)
             else: # parent
                 os.close(self.write_fd)