* Fix ctypes from_buffer writes and unskip passing MP tests
Write char-array .value/.raw through borrowed buffers instead of
Cow::to_mut(), which copied shared memory into a private buffer.
Unskip connection pickling, sharedctypes, Condition notify, and
concurrent.futures interpreter-shutdown tests. Cover forkserver
Condition notify and shared ctypes char arrays in extra_tests.
Assisted-by: Grok:4.6
* Unskip linux RLock repr; keep fork pickling hang skip
test_repr_rlock passed on Linux spawn/fork/forkserver. Connection
pickling hangs under the fork start method, so skip it only there.
Build the apple-container image from rust:bookworm; rust:bullseye
apt indexes 404.
Assisted-by: Grok:4.6
* Unskip multiprocessing RLock repr test
Assisted-by: Grok:4.6
* Drop stable modules from the flaky MP CI list
Assisted-by: Grok:4.6
* Keep only multiprocessing fork on the flaky MP list
Assisted-by: Grok:4.6
* Drop gc_collect bench and unbreak two CI jobs
Remove benches/benchmarks/gc_collect.py so CodSpeed no longer
includes that execution benchmark.
On Windows, run test_multiprocessing_spawn serially; the
parallel snippets job hit a regrtest worker temp-dir error
while that suite was still running.
Install cargo-shear from a pinned prebuilt binary so the job
does not fall back to compiling 1.13.4 from source.
Assisted-by: Grok:4.6
* Unskip hang tests that now pass under -m test
Drop the RustPython hang skips on interpreter shutdown,
submit-after-shutdown, and connection pickling after they
passed with rustpython -m test.
Remove the unused expectedFailureIf around killpg on the
resource tracker deadlock test; os.killpg is present.
Pass matrix flaky-MP extras through the job environment
instead of interpolating them into the run script.
Assisted-by: Grok:4.6
* Restore hang skips and isolate spawn on CI
Put test_multiprocessing_spawn and
test_multiprocessing_forkserver back on the serial flaky MP
list. Ubuntu timed out in spawn test_notify_all under -j, and
forkserver.test_processes needed a rerun.
Restore the hang skips on interpreter shutdown, submit-after
shutdown, and connection pickling.
Assisted-by: Grok:4.6
* Use patched parking_lot_core with fork-safe HASHTABLE reset
parking_lot_core's global HASHTABLE retains stale ThreadData after
fork(), causing segfaults when contended locks enter park(). Use the
patched version from youknowone/parking_lot (rustpython branch) which
registers a pthread_atfork handler to reset the hash table.
Unskip test_asyncio TestFork. Add Manager+fork integration test.
* Unskip fork-related flaky tests after parking_lot fix
With parking_lot_core's HASHTABLE now properly reset via
pthread_atfork, fork-related segfaults and connection errors
in multiprocessing tests should be resolved.
Remove skip/expectedFailure markers from:
- test_concurrent_futures/test_wait.py (6 tests)
- test_concurrent_futures/test_process_pool.py (1 test)
- test_multiprocessing_fork/test_manager.py (all WithManagerTest*)
- test_multiprocessing_fork/test_misc.py (5 tests)
- test_multiprocessing_fork/test_threads.py (2 tests)
- _test_multiprocessing.py (2 shared_memory tests)
Keep test_repr_rlock skipped (flaky thread start latency,
not fork-related).
- TypeVar/ParamSpec repr: use infer_variance flag
- ParamSpec: add type_check on bound argument
- ParamSpecArgs/Kwargs: use equality instead of identity
- NoDefault: change to IMMUTABLETYPE flag
- subscript_generic: wrap TypeVarTuple in Unpack
- symboltable: selective name mangling in type param scopes
- symboltable: fix double default scanning for non-generic fns
- Unmark 4 passing tests in test_type_params
1ndahous3