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| author | Antoine Pitrou <solipsis@pitrou.net> | 2016-12-10 16:19:21 (GMT) |
|---|---|---|
| committer | Antoine Pitrou <solipsis@pitrou.net> | 2016-12-10 16:19:21 (GMT) |
| commit | 5c7198d46417cad8ca031b3d6a9d97c2ee6a1807 (patch) | |
| tree | 5e74dd470decd388f0f125e63dceda99dc174d2e /Lib/test/_test_multiprocessing.py | |
| parent | c1a26a2e473efd3ff7a9cca5be75959384c41b8c (diff) | |
| parent | ebb39bcc048b33d529a64f517ccee1c172ff8b07 (diff) | |
| download | cpython-5c7198d46417cad8ca031b3d6a9d97c2ee6a1807.zip cpython-5c7198d46417cad8ca031b3d6a9d97c2ee6a1807.tar.gz cpython-5c7198d46417cad8ca031b3d6a9d97c2ee6a1807.tar.bz2 | |
Issue #28779: multiprocessing.set_forkserver_preload() would crash the forkserver process if a preloaded module instantiated some multiprocessing objects such as locks.
Diffstat (limited to 'Lib/test/_test_multiprocessing.py')
| -rw-r--r-- | Lib/test/_test_multiprocessing.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py index c00846c..b5f4782 100644 --- a/Lib/test/_test_multiprocessing.py +++ b/Lib/test/_test_multiprocessing.py @@ -3818,6 +3818,19 @@ class TestStartMethod(unittest.TestCase): self.assertTrue(methods == ['fork', 'spawn'] or methods == ['fork', 'spawn', 'forkserver']) + def test_preload_resources(self): + if multiprocessing.get_start_method() != 'forkserver': + self.skipTest("test only relevant for 'forkserver' method") + name = os.path.join(os.path.dirname(__file__), 'mp_preload.py') + rc, out, err = test.support.script_helper.assert_python_ok(name) + out = out.decode() + err = err.decode() + if out.rstrip() != 'ok' or err != '': + print(out) + print(err) + self.fail("failed spawning forkserver or grandchild") + + # # Check that killing process does not leak named semaphores # |