diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_threading.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py index f648a8b..23fe2d3 100644 --- a/Lib/test/test_threading.py +++ b/Lib/test/test_threading.py @@ -1604,6 +1604,31 @@ class InterruptMainTests(unittest.TestCase): self.assertRaises(ValueError, _thread.interrupt_main, signal.NSIG) self.assertRaises(ValueError, _thread.interrupt_main, 1000000) + @threading_helper.reap_threads + def test_can_interrupt_tight_loops(self): + cont = [True] + started = [False] + interrupted = [False] + + def worker(started, cont, interrupted): + iterations = 100_000_000 + started[0] = True + while cont[0]: + if iterations: + iterations -= 1 + else: + return + pass + interrupted[0] = True + + t = threading.Thread(target=worker,args=(started, cont, interrupted)) + t.start() + while not started[0]: + pass + cont[0] = False + t.join() + self.assertTrue(interrupted[0]) + class AtexitTests(unittest.TestCase): |