diff options
Diffstat (limited to 'Lib/test/test_threading.py')
| -rw-r--r-- | Lib/test/test_threading.py | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py index 79967dc..ecf22fc 100644 --- a/Lib/test/test_threading.py +++ b/Lib/test/test_threading.py @@ -452,7 +452,7 @@ class ThreadJoinOnShutdown(BaseTestCase): # problems with some operating systems (issue #3863): skip problematic tests # on platforms known to behave badly. platforms_to_skip = ('freebsd4', 'freebsd5', 'freebsd6', 'netbsd5', - 'os2emx', 'hp-ux11') + 'hp-ux11') def _run_and_join(self, script): script = """if 1: @@ -728,6 +728,31 @@ class ThreadJoinOnShutdown(BaseTestCase): for t in threads: t.join() + @unittest.skipUnless(hasattr(os, 'fork'), "needs os.fork()") + def test_clear_threads_states_after_fork(self): + # Issue #17094: check that threads states are cleared after fork() + + # start a bunch of threads + threads = [] + for i in range(16): + t = threading.Thread(target=lambda : time.sleep(0.3)) + threads.append(t) + t.start() + + pid = os.fork() + if pid == 0: + # check that threads states have been cleared + if len(sys._current_frames()) == 1: + os._exit(0) + else: + os._exit(1) + else: + _, status = os.waitpid(pid, 0) + self.assertEqual(0, status) + + for t in threads: + t.join() + class ThreadingExceptionTests(BaseTestCase): # A RuntimeError should be raised if Thread.start() is called |