gh-106320: Remove private _PyErr_ChainExceptions()

[vstinner]

Remove _PyErr_ChainExceptions(), _PyErr_ChainExceptions1() and _PyErr_SetFromPyStatus() functions from the public C API.

• Move the private _PyErr_ChainExceptions() and _PyErr_ChainExceptions1() function to the internal C API (pycore_pyerrors.h).
• Move the private _PyErr_SetFromPyStatus() to the internal C API (pycore_initconfig.h).
• No longer export the _PyErr_ChainExceptions() function.
• Move run_in_subinterp_with_config() from _testcapi to _testinternalcapi.

• Issue: C API: Remove private C API functions (move them to the internal C API) #106320

[vstinner]

Oh, this change introduced a warning on Windows: fixed by PR #108720.

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot PPC64LE RHEL7 LTO + PGO 3.x has failed when building commit 79823c1.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/43/builds/4141) and take a look at the build logs.
4. Check if the failure is related to this commit (79823c1) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/43/builds/4141

Failed tests:

• test.test_concurrent_futures.test_shutdown

Failed subtests:

• test_subprocess_consistent_callbacks - test.test_asyncio.test_subprocess.SubprocessThreadedWatcherTests.test_subprocess_consistent_callbacks
• test_interpreter_shutdown - test.test_concurrent_futures.test_shutdown.ProcessPoolSpawnProcessPoolShutdownTest.test_interpreter_shutdown
• test_rapid_restart - test.test_multiprocessing_spawn.test_manager.WithManagerTestManagerRestart.test_rapid_restart

Summary of the results of the build (if available):

== Tests result: FAILURE then FAILURE ==

438 tests OK.

10 slowest tests:

• test_math: 2 min 29 sec
• test_hashlib: 1 min 53 sec
• test.test_concurrent_futures.test_wait: 1 min 17 sec
• test.test_multiprocessing_spawn.test_processes: 1 min 11 sec
• test_unparse: 57.9 sec
• test_tokenize: 57.6 sec
• test_socket: 54.2 sec
• test_signal: 52.2 sec
• test.test_multiprocessing_forkserver.test_processes: 48.6 sec
• test_unicodedata: 46.8 sec

1 test failed:
test.test_concurrent_futures.test_shutdown

23 tests skipped:
test.test_asyncio.test_windows_events
test.test_asyncio.test_windows_utils test_devpoll test_gdb
test_idle test_ioctl test_kqueue test_launcher test_perf_profiler
test_smtpnet test_sqlite3 test_ssl test_startfile test_tcl
test_tkinter test_ttk test_ttk_textonly test_turtle
test_winconsoleio test_winreg test_winsound test_wmi
test_zipfile64

3 re-run tests:
test.test_asyncio.test_subprocess
test.test_concurrent_futures.test_shutdown
test.test_multiprocessing_spawn.test_manager

Total duration: 5 min 22 sec

Click to see traceback logs

Traceback (most recent call last): File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/test/_test_multiprocessing.py", line 3138, in test_rapid_restart manager.start() File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/managers.py", line 569, in startself._address = reader.recv() ^^^^^^^^^^^^^ File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/connection.py", line 249, in recv buf =self._recv_bytes() ^^^^^^^^^^^^^^^^^^ File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/connection.py", line 413, in _recv_bytes buf =self._recv(4) ^^^^^^^^^^^^^ File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/connection.py", line 382, in _recvraiseEOFError EOFError Traceback (most recent call last): File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/process.py", line 314, in _bootstrapself.run() File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/process.py", line 108, in runself._target(*self._args, **self._kwargs) File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/managers.py", line 594, in _run_server server =cls._Server(registry, address, authkey, serializer) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/managers.py", line 159, in __init__self.listener = Listener(address=address, backlog=16) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/connection.py", line 447, in __init__self._listener = SocketListener(address, family, backlog) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/connection.py", line 590, in __init__self._socket.bind(address) OSError: [Errno 98] Address already in use Traceback (most recent call last): File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/test/test_asyncio/test_subprocess.py", line 788, in test_subprocess_consistent_callbacksself.loop.run_until_complete(main()) File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/asyncio/base_events.py", line 664, in run_until_completereturn future.result() ^^^^^^^^^^^^^^^ File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/test/test_asyncio/test_subprocess.py", line 780, in mainself.assertEqual(events, [ AssertionError: Lists differ: [('pi[29 chars]t'), 'pipe_connection_lost', ('pipe_data_recei[57 chars]ted'] != [('pi[29 chars]t'), ('pipe_data_received', 2, b'stderr'), 'pi[57 chars]ted'] Traceback (most recent call last): File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/test/test_concurrent_futures/test_shutdown.py", line 49, in test_interpreter_shutdownself.assertFalse(err) AssertionError: b'Exception in thread Thread-1:\nTraceback (most recent call last):\n File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/threading.py", line 1059, in _bootstrap_inner\n self.run()\n File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/concurrent/futures/process.py", line 339, in run\n self.add_call_item_to_queue()\n File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/concurrent/futures/process.py", line 394, in add_call_item_to_queue\n self.call_queue.put(_CallItem(work_id,\n File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/queues.py", line 94, in put\n self._start_thread()\n File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/queues.py", line 177, in _start_thread\n self._thread.start()\n File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/threading.py", line 978, in start\n _start_new_thread(self._bootstrap, ())\nRuntimeError: can\'t create new thread at interpreter shutdown\nTraceback (most recent call last):\n File "<string>", line 1, in <module>\n File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/spawn.py", line 122, in spawn_main\n exitcode = _main(fd, parent_sentinel)\n ^^^^^^^^^^^^^^^^^^^^^^^^^^\n File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/spawn.py", line 132, in _main\n self = reduction.pickle.load(from_parent)\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/synchronize.py", line 115, in __setstate__\n self._semlock = _multiprocessing.SemLock._rebuild(*state)\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\nFileNotFoundError: [Errno 2] No such file or directory\n' is not false