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* gh-76785: Clean Up the Channels Module (gh-110568)Eric Snow2023-10-171-7/+7
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* gh-84570: Add Timeouts to SendChannel.send() and RecvChannel.recv() (gh-110567)Eric Snow2023-10-171-0/+34
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* gh-84570: Send-Wait Fixes for _xxinterpchannels (gh-111006)Eric Snow2023-10-171-0/+50
| | | | | There were a few things I did in gh-110565 that need to be fixed. I also forgot to add tests in that PR. (Note that this PR exposes a refleak introduced by gh-110246. I'll take care of that separately.)
* gh-109693: Remove pycore_atomic.h (gh-110992)Donghee Na2023-10-172-2/+0
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* gh-110964: Remove private _PyArg functions (#110966)Victor Stinner2023-10-1710-9/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the following private functions and structures to pycore_modsupport.h internal C API: * _PyArg_BadArgument() * _PyArg_CheckPositional() * _PyArg_NoKeywords() * _PyArg_NoPositional() * _PyArg_ParseStack() * _PyArg_ParseStackAndKeywords() * _PyArg_Parser structure * _PyArg_UnpackKeywords() * _PyArg_UnpackKeywordsWithVararg() * _PyArg_UnpackStack() * _Py_ANY_VARARGS() Changes: * Python/getargs.h now includes pycore_modsupport.h to export functions. * clinic.py now adds pycore_modsupport.h when one of these functions is used. * Add pycore_modsupport.h includes when a C extension uses one of these functions. * Define Py_BUILD_CORE_MODULE in C extensions which now include directly or indirectly (via code generated by Argument Clinic) pycore_modsupport.h: * _csv * _curses_panel * _dbm * _gdbm * _multiprocessing.posixshmem * _sqlite.row * _statistics * grp * resource * syslog * _testcapi: bad_get() no longer uses METH_FASTCALL calling convention but METH_VARARGS. Replace _PyArg_UnpackStack() with PyArg_ParseTuple(). * _testcapi: add PYTESTCAPI_NEED_INTERNAL_API macro which is defined by _testcapi sub-modules which need the internal C API (pycore_modsupport.h): exceptions.c, float.c, vectorcall.c, watchers.c. * Remove Include/cpython/modsupport.h header file. Include/modsupport.h no longer includes the removed header file. * Fix mypy clinic.py
* gh-109693: Update _gil_runtime_state.locked to use pyatomic.h (gh-110836)Donghee Na2023-10-162-16/+12
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* gh-110912: Correctly display tracebacks for MemoryError exceptions using the ↵Pablo Galindo Salgado2023-10-161-4/+1
| | | | traceback module (#110921)
* gh-110864: Fix _PyArg_UnpackKeywordsWithVararg overwriting vararg with NULL ↵Nikita Sobolev2023-10-161-1/+1
| | | | (#110868)
* gh-110722: Add PYTHON_PRESITE to import a module before site.py is run (#110769)Łukasz Langa2023-10-142-0/+90
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* gh-110815: Support non-ASCII keyword names in PyArg_ParseTupleAndKeywords() ↵Serhiy Storchaka2023-10-141-1/+1
| | | | | | | (GH-110816) It already mostly worked, except in the case when invalid keyword argument with non-ASCII name was passed to function with non-ASCII parameter names. Then it crashed in the debug mode.
* gh-110805: Allow the repl to show source code and complete tracebacks (#110775)Pablo Galindo Salgado2023-10-131-12/+72
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* gh-109693: Update _gil_runtime_state.last_holder to use pyatomic.h (#110605)Donghee Na2023-10-131-7/+7
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* gh-110721: Use the traceback module for PyErr_Display() and fallback to the ↵Pablo Galindo Salgado2023-10-122-814/+78
| | | | C implementation (#110702)
* gh-110752: Reset `ceval.eval_breaker` to 0 in `interpreter_clear` (GH-110753)Tian Gao2023-10-121-0/+4
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* gh-109094: remove redundant arg to _PyFrame_PushTrampolineUnchecked (GH-110759)Irit Katriel2023-10-122-2/+2
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* GH-109214: Convert _SAVE_CURRENT_IP to _SET_IP in tier 2 trace creation. ↵Mark Shannon2023-10-126-52/+15
| | | | (GH-110755)
* gh-104169: Fix test_peg_generator after tokenizer refactoring (#110727)Lysandros Nikolaou2023-10-121-1/+1
| | | | * Fix test_peg_generator after tokenizer refactoring * Remove references to tokenizer.c in comments etc.
* gh-104169: Refactor tokenizer into lexer and wrappers (#110684)Lysandros Nikolaou2023-10-111-1/+3
| | | | | | | | | | | * The lexer, which include the actual lexeme producing logic, goes into the `lexer` directory. * The wrappers, one wrapper per input mode (file, string, utf-8, and readline), go into the `tokenizer` directory and include logic for creating a lexer instance and managing the buffer for different modes. --------- Co-authored-by: Pablo Galindo <pablogsal@gmail.com> Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
* gh-84489: Properly handle trailing spaces in Py_BuildValue() format strings ↵Zackery Spytz2023-10-111-27/+23
| | | | | | | | | (GH-21158) The docs state that the space, tab, colon, and comma characters are ignored in Py_BuildValue() format strings. Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* gh-109595: Add -Xcpu_count=<n> cmdline for container users (#109667)Donghee Na2023-10-103-2/+101
| | | | | | --------- Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Gregory P. Smith [Google LLC] <greg@krypto.org>
* Remove an old macro from executor.c (#110597)Brandt Bucher2023-10-101-3/+0
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* gh-109693: Use pyatomic.h for signal module (gh-110480)Donghee Na2023-10-091-1/+1
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* gh-76785: Add SendChannel.send_buffer() (#110246)Eric Snow2023-10-092-29/+45
| | | (This is still a test module.)
* gh-110514: Add PY_THROW to `sys.setprofile` events (GH-110524)Tian Gao2023-10-091-1/+7
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* gh-110237: Check `PyList_Append` for errors in `_PyEval_MatchClass` (#110238)denballakh2023-10-081-3/+11
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* gh-108277: Add os.timerfd_create() function (#108382)Masaru Tsuchiyama2023-10-071-2/+12
| | | | | | | | Add wrapper for timerfd_create, timerfd_settime, and timerfd_gettime to os module. Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com> Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com> Co-authored-by: Victor Stinner <vstinner@python.org>
* GH-110455: Guard `assert(tstate->thread_id > 0)` with `#ifndef ↵Brett Cannon2023-10-061-2/+2
| | | | HAVE_PTHREAD_STUBS` (GH-110487)
* gh-85283: Add PySys_AuditTuple() function (#108965)Victor Stinner2023-10-051-3/+19
| | | | | | sys.audit() now has assertions to check that the event argument is not NULL and that the format argument does not use the "N" format. Add tests on PySys_AuditTuple().
* gh-109549: Add new states to PyThreadState to support PEP 703 (gh-109915)Sam Gross2023-10-053-91/+95
| | | This adds a new field 'state' to PyThreadState that can take on one of three values: _Py_THREAD_ATTACHED, _Py_THREAD_DETACHED, or _Py_THREAD_GC. The "attached" and "detached" states correspond closely to acquiring and releasing the GIL. The "gc" state is current unused, but will be used to implement stop-the-world GC for --disable-gil builds in the near future.
* gh-109329: Add stat for "trace too short" (GH-110402)Michael Droettboom2023-10-052-0/+2
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* gh-88402: Add new sysconfig variables on Windows (GH-110049)Sam Gross2023-10-048-55/+7
| | | | Co-authored-by: Filipe Laíns <filipe.lains@gmail.com>
* gh-110310: Add a Per-Interpreter XID Registry for Heap Types (gh-110311)Eric Snow2023-10-041-39/+118
| | | | | | | | | | | We do the following: * add a per-interpreter XID registry (PyInterpreterState.xidregistry) * put heap types there (keep static types in _PyRuntimeState.xidregistry) * clear the registries during interpreter/runtime finalization * avoid duplicate entries in the registry (when _PyCrossInterpreterData_RegisterClass() is called more than once for a type) * use Py_TYPE() instead of PyObject_Type() in _PyCrossInterpreterData_Lookup() The per-interpreter registry helps preserve isolation between interpreters. This is important when heap types are registered, which is something we haven't been doing yet but I will likely do soon.
* GH-109329: Add tier 2 stats (GH-109913)Michael Droettboom2023-10-046-10/+88
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* GH-109369: Merge all eval-breaker flags and monitoring version into one ↵Mark Shannon2023-10-046-208/+143
| | | | word. (GH-109846)
* gh-104909: Split more LOAD_ATTR specializations (GH-110317)Guido van Rossum2023-10-044-184/+485
| | | | | | | | | | | | | | | | | | | * Split LOAD_ATTR_MODULE * Split LOAD_ATTR_WITH_HINT * Split _GUARD_TYPE_VERSION out of the latter * Split LOAD_ATTR_CLASS * Split LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES * Fix indent of DEOPT_IF in macros * Split LOAD_ATTR_METHOD_LAZY_DICT * Split LOAD_ATTR_NONDESCRIPTOR_NO_DICT * Fix omission of _CHECK_ATTR_METHOD_LAZY_DICT
* gh-109979: Unify _GUARD_TYPE_VERSION{,_STORE} (#110301)Guido van Rossum2023-10-034-24/+4
| | | | | Now the target for `DEOPT_IF()` is auto-filled, we don't need a separate `_GUARD_TYPE_VERSION_STORE` uop.
* gh-109979: Auto-generate the target for DEOPT_IF() (#110193)Guido van Rossum2023-10-033-295/+262
| | | | | | | | | | | | | | | | In Python/bytecodes.c, you now write ``` DEOPT_IF(condition); ``` The code generator expands this to ``` DEOPT_IF(condition, opcode); ``` where `opcode` is the name of the unspecialized instruction. This works inside macro expansions too. **CAVEAT:** The entire `DEOPT_IF(condition)` statement must be on a single line. If it isn't, the substitution will fail; an error will be printed by the code generator and the C compiler will report some errors.
* gh-108867: Add PyThreadState_GetUnchecked() function (#108870)Victor Stinner2023-10-031-1/+1
| | | | | | Add PyThreadState_GetUnchecked() function: similar to PyThreadState_Get(), but don't issue a fatal error if it is NULL. The caller is responsible to check if the result is NULL. Previously, this function was private and known as _PyThreadState_UncheckedGet().
* gh-109860: Use a New Thread State When Switching Interpreters, When ↵Eric Snow2023-10-032-20/+64
| | | | | | | | | Necessary (gh-110245) In a few places we switch to another interpreter without knowing if it has a thread state associated with the current thread. For the main interpreter there wasn't much of a problem, but for subinterpreters we were *mostly* okay re-using the tstate created with the interpreter (located via PyInterpreterState_ThreadHead()). There was a good chance that tstate wasn't actually in use by another thread. However, there are no guarantees of that. Furthermore, re-using an already used tstate is currently fragile. To address this, now we create a new thread state in each of those places and use it. One consequence of this change is that PyInterpreterState_ThreadHead() may not return NULL (though that won't happen for the main interpreter).
* gh-105716: Support Background Threads in Subinterpreters Consistently ↵Eric Snow2023-10-021-0/+37
| | | | | | | (gh-109921) The existence of background threads running on a subinterpreter was preventing interpreters from getting properly destroyed, as well as impacting the ability to run the interpreter again. It also affected how we wait for non-daemon threads to finish. We add PyInterpreterState.threads.main, with some internal C-API functions.
* gh-109853: Fix sys.path[0] For Subinterpreters (gh-109994)Eric Snow2023-10-022-0/+28
| | | This change makes sure sys.path[0] is set properly for subinterpreters. Before, it wasn't getting set at all. This PR does not address the broader concerns from gh-109853.
* gh-110014: Fix bootstrap_hash.c: remove debug code (#110161)Victor Stinner2023-09-301-3/+0
| | | Oops, I commited debug code by mistake, sorry about that.
* gh-110014: Include explicitly <unistd.h> header (#110155)Victor Stinner2023-09-307-14/+38
| | | | | | | | | | | * Remove unused <locale.h> includes. * Remove unused <fcntl.h> include in traceback.h. * Remove redundant <assert.h> and <stddef.h> includes. They are already included by "Python.h". * Remove <object.h> include in faulthandler.c. Python.h already includes it. * Add missing <stdbool.h> in pycore_pythread.h if HAVE_PTHREAD_STUBS is defined. * Fix also warnings in pthread_stubs.h: don't redefine macros if they are already defined, like the __NEED_pthread_t macro.
* gh-110014: Fix _POSIX_THREADS and _POSIX_SEMAPHORES usage (#110139)Victor Stinner2023-09-303-6/+28
| | | | | | | | | | | | | | | | * pycore_pythread.h is now the central place to make sure that _POSIX_THREADS and _POSIX_SEMAPHORES macros are defined if available. * Make sure that pycore_pythread.h is included when _POSIX_THREADS and _POSIX_SEMAPHORES macros are tested. * PY_TIMEOUT_MAX is now defined as a constant, since its value depends on _POSIX_THREADS, instead of being defined as a macro. * Prevent integer overflow in the preprocessor when computing PY_TIMEOUT_MAX_VALUE on Windows: replace "0xFFFFFFFELL * 1000 < LLONG_MAX" with "0xFFFFFFFELL < LLONG_MAX / 1000". * Document the change and give hints how to fix affected code. * Add an exception for PY_TIMEOUT_MAX name to smelly.py * Add PY_TIMEOUT_MAX to the stable ABI
* gh-107954: Refactor initconfig.c: add CONFIG_SPEC (#110146)Victor Stinner2023-09-301-320/+257
| | | Add a specification of the PyConfig structure to factorize the code.
* gh-110079: Remove extern "C" { ...} in C code (#110080)Victor Stinner2023-09-2911-109/+6
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* gh-110052: Fix faulthandler for freed tstate (#110069)Victor Stinner2023-09-291-10/+37
| | | | faulthandler now detected freed interp and freed tstate, and no longer dereference them.
* gh-109889: fix compiler's redundant NOP detection to look past NOPs with no ↵Irit Katriel2023-09-281-1/+11
| | | | lineno when looking for the next instruction's lineno (#109987)
* gh-110020: Fix unused variable warnings in bytecodes.c (GH-110023)Nikita Sobolev2023-09-283-18/+9
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* gh-104909: Split some more insts into ops (#109943)Guido van Rossum2023-09-274-88/+355
| | | | | | | | | | | | | | | | | | | | These are the most popular specializations of `LOAD_ATTR` and `STORE_ATTR` that weren't already viable uops: * Split LOAD_ATTR_METHOD_WITH_VALUES * Split LOAD_ATTR_METHOD_NO_DICT * Split LOAD_ATTR_SLOT * Split STORE_ATTR_SLOT * Split STORE_ATTR_INSTANCE_VALUE Also: * Add `-v` flag to code generator which prints a list of non-viable uops (easter-egg: it can print execution counts -- see source) * Double _Py_UOP_MAX_TRACE_LENGTH to 128 I had dropped one of the DEOPT_IF() calls! :-(
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