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…walks iterative and bounded (pythonGH-153365) (python#158813) pythongh-153364: Make frame, coroutine, and task-waiter chain walks iterative and bounded (pythonGH-153365) * let me declare single limit * use our new limit in process_frame_chain() * add it in parse_async_frame_chain() * parse_coro_chain() * NEWS * async in the message? * test * no race * process_task_awaited_by * process_task_awaited_by limit test * NEWS * MAX_TASK_WAITER_CHAIN_DEPTH * TASK_WAITER_CHAIN_DEPTH in test * TASK_WAITER_CHAIN_DEPTH 256 * prevent the drift with the comment * better naming, better style * MAX_TASK_WAITER_CHAIN_DEPTH comment * task-waiter iterative bfs walk * iterative coro-walk * nicer news * 1 << 14 * comment * unused read_Py_ssize_t * fix tombstones * simplify * correct msg * better test * news for tombstones * left-over from when testing buggy version * redundant new line (cherry picked from commit e0861c6) Co-authored-by: Maurycy Pawłowski-Wieroński <maurycy@maurycy.com> (cherry picked from commit 9e401cf)
…reads (pythonGH-155828) (python#158829) * update_seq * no need for XCHGL, MOVL is enough? * pythongh-155811: Retry an inconsistent GC snapshot once --------- (cherry picked from commit 5fecd44) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com> Co-authored-by: Claude Fable 5.1 <noreply@anthropic.com> (cherry picked from commit 0281240)
…y file when hitting `OverflowError` (pythonGH-152892) (python#158830) pythongh-151292: `_remote_debugging`: Do not corrupt the binary file when hitting `OverflowError` (pythonGH-152892) * the kolektor * test * better test * news * =Q, move const to the base, not self.running * pythongh-151292: Track binary writer finalization state --------- (cherry picked from commit f839c06) Co-authored-by: Maurycy Pawłowski-Wieroński <maurycy@maurycy.com> Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com> (cherry picked from commit 8a7c23f)
…x() (pythonGH-158584) (python#158691) pythongh-158583: Fix uninitialized memory read in bytes.fromhex() (pythonGH-158584) (cherry picked from commit 9d22a53) Co-authored-by: Victor Stinner <vstinner@python.org> (cherry picked from commit 4f7af46)
…the sample (pythonGH-154195) (python#158831) * pythongh-154194: Degrade frames in Tachyon instead of failing the sample (python#154195) * degrade gracefully * news * better NEWS wording * do not raise on MAX_REMOTE_STR_READ * bye MAX_REMOTE_STR_READ * fix -m asyncio ps|pstree * test truncation and linetable sentinel * simpler * simpler * redundant now * respect python#157790 in the news --------- Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com> (cherry picked from commit 7d25916) * Preserve the stable ABI when creating fallback frame names --------- Co-authored-by: Maurycy Pawłowski-Wieroński <maurycy@maurycy.com> (cherry picked from commit c27f494)
Run a job that the test suite with MSan to the CI (python#158625) * Run the test suite with MSan in CI * Additional fixes * Add `_Py_MSAN_UNPOISON_STRING` * Apply Victor's suggestions * Apply Victor's suggestions --------- (cherry picked from commit b93fb19) Co-authored-by: Stan Ulbrych <stan@python.org> Co-authored-by: Victor Stinner <victor.stinner@gmail.com> (cherry picked from commit 1bc78de)
…s UTF-8 (pythonGH-156811) (python#156814) pythongh-156810: Write the profiler's collapsed-stack export as UTF-8 (pythonGH-156811) (cherry picked from commit c3706f4) Co-authored-by: tonghuaroot (童话) <tonghuaroot@gmail.com> (cherry picked from commit fce28da)
…ocking sampling (pythonGH-158802) (python#158845) pythongh-158552: Wait for Windows threads to suspend before blocking sampling (pythonGH-158802) * pythongh-158552: Wait for Windows threads to suspend before blocking sampling * Use a named Windows thread enumeration status constant (cherry picked from commit 1643525) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com> (cherry picked from commit 31288da)
…g binary reader (pythonGH-152722) (python#158850) Backport of pythonGH-152722. Co-authored-by: tonghuaroot <tonghuaroot@gmail.com> (cherry picked from commit ebaca2a)
…y recursive programs (pythonGH-156546) (python#158851) Backport of pythonGH-156546. Co-authored-by: tonghuaroot (童话) <tonghuaroot@gmail.com> (cherry picked from commit 0ac7217)
…th (pythonGH-158548) (python#158844) pythongh-158540: Add the profiled script's directory to sys.path (pythonGH-158548) * pythongh-158540: Add the profiled script's directory to sys.path When a script is profiled with ``python -m profiling.sampling run script.py`` from another directory, the script cannot import modules placed next to it, because ``_sync_coordinator._execute_script()`` executes it with the working directory (added by ``_setup_environment()`` for the module case) as ``sys.path[0]`` instead of the script's own directory. Make the script's directory importable in ``_execute_script()``, matching the behavior of ``python script.py``. Add a regression test that runs the coordinator on a script importing a sibling module. * Update _sync_coordinator.py Comment simplified * pythongh-158540: Resolve symlinks when adding the script directory to sys.path ``python script.py`` resolves symlinks when computing ``sys.path[0]``, so a script reached through a symlink (``link.py -> sub/where.py``) imports modules from the real script's directory. Apply ``os.path.realpath()`` before taking the directory name, and make sure the result is placed at the front of ``sys.path`` even if it was already listed. Add a regression test for a symlinked script. --------- (cherry picked from commit 3f02aab) Co-authored-by: he_tao <53343436+hetaozdh@users.noreply.github.com> Co-authored-by: Eduardo Villalpando Mello <eduardo.villalpando.mello@gmail.com> (cherry picked from commit f52d831)
…exporter (pythonGH-153839) (python#158853) Backport of pythonGH-153839. Co-authored-by: tonghuaroot <tonghuaroot@gmail.com> (cherry picked from commit 48998df)
…tors/coroutines (pythonGH-158581) (python#158852) * [3.15] pythongh-158539: Fix exception mode missing handlers in generators/coroutines (pythonGH-158581) Backport of pythonGH-158581. Co-authored-by: LucasZhou <donghao.zhou@outlook.com> * [3.15] pythongh-158539: Use portable static assertion messages * [3.15] pythongh-158539: Keep layout assertions with debug-offset validation * [3.15] pythongh-158539: Use the platform guard for in-process inspection tests --------- Co-authored-by: LucasZhou <donghao.zhou@outlook.com> (cherry picked from commit d625ecb)
…e recurses (pythonGH-158526) (python#158870) Co-authored-by: Timofei Ivankov <128279579+deadlovelll@users.noreply.github.com> (cherry picked from commit a904b39)
… C stacks and macOS runtime lookup (python#158874) (cherry picked from commit 114de19) Include the C-stack test helper from main, introduced by ce5ae29, which the regression test requires but 3.15 does not yet provide.
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