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* bpo-1635741: Port _thread to multiphase init (GH-23811)Victor Stinner2020-12-181-90/+221
| | | | | | | Port the _thread extension module to the multiphase initialization API (PEP 489) and convert its static types to heap types. Add a traverse function to the lock type, so the garbage collector can break reference cycles.
* bpo-1635741: Refactor _threadmodule.c (GH-23793)Victor Stinner2020-12-161-311/+226
| | | | | | | | | | | | | * Fix ExceptHookArgsType name: "_thread.ExceptHookArgs", instead of "_thread._ExceptHookArgs". * PyInit__thread() no longer intializes interp->num_threads to 0: it is already done in PyInterpreterState_New(). * Use PyModule_AddType(), Py_NewRef() and Py_XNewRef(). * Replace str_dict variable with _Py_IDENTIFIER(__dict__). * Remove assert(Py_IS_TYPE(obj, &Locktype)) from release_sentinel() to avoid having to retrive the type from this callback. * Add thread_bootstate_free() * Rename t_bootstrap() to thread_run() * bootstate structure: rename keyw member to kwargs
* bpo-42519: Replace PyObject_MALLOC() with PyObject_Malloc() (GH-23587)Victor Stinner2020-12-011-1/+1
| | | | | | | | | No longer use deprecated aliases to functions: * Replace PyObject_MALLOC() with PyObject_Malloc() * Replace PyObject_REALLOC() with PyObject_Realloc() * Replace PyObject_FREE() with PyObject_Free() * Replace PyObject_Del() with PyObject_Free() * Replace PyObject_DEL() with PyObject_Free()
* bpo-42519: Replace PyMem_MALLOC() with PyMem_Malloc() (GH-23586)Victor Stinner2020-12-011-3/+3
| | | | | | | | | | | No longer use deprecated aliases to functions: * Replace PyMem_MALLOC() with PyMem_Malloc() * Replace PyMem_REALLOC() with PyMem_Realloc() * Replace PyMem_FREE() with PyMem_Free() * Replace PyMem_Del() with PyMem_Free() * Replace PyMem_DEL() with PyMem_Free() Modify also the PyMem_DEL() macro to use directly PyMem_Free().
* bpo-42006: Stop using PyDict_GetItem, PyDict_GetItemString and ↵Serhiy Storchaka2020-10-261-2/+6
| | | | | | | | | | | _PyDict_GetItemId. (GH-22648) These functions are considered not safe because they suppress all internal errors and can return wrong result. PyDict_GetItemString and _PyDict_GetItemId can also silence current exception in rare cases. Remove no longer used _PyDict_GetItemId. Add _PyDict_ContainsId and rename _PyDict_Contains into _PyDict_Contains_KnownHash.
* bpo-40453: Add PyConfig._isolated_subinterpreter (GH-19820)Victor Stinner2020-05-011-0/+8
| | | | | | | | | An isolated subinterpreter cannot spawn threads, spawn a child process or call os.fork(). * Add private _Py_NewInterpreter(isolated_subinterpreter) function. * Add isolated=True keyword-only parameter to _xxsubinterpreters.create(). * Allow again os.fork() in "non-isolated" subinterpreters.
* bpo-40268: Remove unused structmember.h includes (GH-19530)Victor Stinner2020-04-151-5/+3
| | | | | | If only offsetof() is needed: include stddef.h instead. When structmember.h is used, add a comment explaining that PyMemberDef is used.
* bpo-40268: Remove explicit pythread.h includes (#19529)Victor Stinner2020-04-151-1/+0
| | | | Remove explicit pythread.h includes: it is always included by Python.h.
* bpo-40268: Remove a few pycore_pystate.h includes (GH-19510)Victor Stinner2020-04-141-1/+1
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* bpo-40268: Rename _PyInterpreterState_GET_UNSAFE() (GH-19509)Victor Stinner2020-04-141-3/+3
| | | | | | | Rename _PyInterpreterState_GET_UNSAFE() to _PyInterpreterState_GET() for consistency with _PyThreadState_GET() and to have a shorter name (help to fit into 80 columns). Add also "assert(tstate != NULL);" to the function.
* bpo-40268: Include explicitly pycore_interp.h (GH-19505)Victor Stinner2020-04-141-1/+2
| | | | pycore_pystate.h no longer includes pycore_interp.h: it's now included explicitly in files accessing PyInterpreterState.
* bpo-40234: Revert "bpo-37266: Daemon threads are now denied in ↵Victor Stinner2020-04-121-24/+0
| | | | | subinterpreters (GH-14049)" (GH-19456) This reverts commit 066e5b1a917ec2134e8997d2cadd815724314252.
* bpo-40089: Add _at_fork_reinit() method to locks (GH-19195)Victor Stinner2020-04-071-14/+53
| | | | | | | | | | | | | | | Add a private _at_fork_reinit() method to _thread.Lock, _thread.RLock, threading.RLock and threading.Condition classes: reinitialize the lock after fork in the child process; reset the lock to the unlocked state. Rename also the private _reset_internal_locks() method of threading.Event to _at_fork_reinit(). * Add _PyThread_at_fork_reinit() private function. It is excluded from the limited C API. * threading.Thread._reset_internal_locks() now calls _at_fork_reinit() on self._tstate_lock rather than creating a new Python lock object.
* Remove unused variable to fix compiler warning in _threadmodule.c (GH-19064)Pablo Galindo2020-03-181-2/+0
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* bpo-39984: _PyThreadState_DeleteCurrent() takes tstate (GH-19051)Victor Stinner2020-03-181-1/+1
| | | | | | | | | | * _PyThreadState_DeleteCurrent() now takes tstate rather than runtime. * Add ensure_tstate_not_null() helper to pystate.c. * Add _PyEval_ReleaseLock() function. * _PyThreadState_DeleteCurrent() now calls _PyEval_ReleaseLock(tstate) and frees PyThreadState memory after this call, not before. * PyGILState_Release(): rename "tcur" variable to "tstate".
* bpo-39947: Use _PyInterpreterState_GET_UNSAFE() (GH-18978)Victor Stinner2020-03-131-3/+3
| | | | | | | Replace _PyInterpreterState_Get() function call with _PyInterpreterState_GET_UNSAFE() macro which is more efficient but don't check if tstate or interp is NULL. _Py_GetConfigsAsDict() now uses _PyThreadState_GET().
* bpo-39877: Remove useless PyEval_InitThreads() calls (GH-18883)Victor Stinner2020-03-091-1/+1
| | | | Py_Initialize() calls PyEval_InitThreads() since Python 3.7. It's no longer needed to call it explicitly.
* bpo-39573: Use Py_IS_TYPE() macro to check for types (GH-18809)Andy Lester2020-03-061-2/+2
| | | Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-39573: Finish converting to new Py_IS_TYPE() macro (GH-18601)Andy Lester2020-03-041-2/+2
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* bpo-38858: Add _Py_IsMainInterpreter(tstate) (GH-17293)Victor Stinner2019-11-201-3/+3
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* bpo-36710: Add PyInterpreterState.runtime field (GH-17270)Victor Stinner2019-11-201-1/+1
| | | | | | | | | | | Add PyInterpreterState.runtime field: reference to the _PyRuntime global variable. This field exists to not have to pass runtime in addition to tstate to a function. Get runtime from tstate: tstate->interp->runtime. Remove "_PyRuntimeState *runtime" parameter from functions already taking a "PyThreadState *tstate" parameter. _PyGC_Init() first parameter becomes "PyThreadState *tstate".
* bpo-37878: Remove PyThreadState_DeleteCurrent() function (GH-15315)Joannah Nanjekye2019-09-051-2/+7
| | | | | | | * Rename PyThreadState_DeleteCurrent() to _PyThreadState_DeleteCurrent() * Move it to the internal C API Co-Authored-By: Carol Willing <carolcode@willingconsulting.com>
* bpo-37994: Fix silencing all errors if an attribute lookup fails. (GH-15630)Serhiy Storchaka2019-09-011-3/+4
| | | Only AttributeError should be silenced.
* bpo-37337: Add _PyObject_CallMethodNoArgs() (GH-14267)Jeroen Demeyer2019-07-081-1/+1
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* bpo-37266: Daemon threads are now denied in subinterpreters (GH-14049)Victor Stinner2019-06-141-0/+24
| | | | | | | | | | | | In a subinterpreter, spawning a daemon thread now raises an exception. Daemon threads were never supported in subinterpreters. Previously, the subinterpreter finalization crashed with a Pyton fatal error if a daemon thread was still running. * Add _thread._is_main_interpreter() * threading.Thread.start() now raises RuntimeError if the thread is a daemon thread and the method is called from a subinterpreter. * The _thread module now uses Argument Clinic for the new function. * Use textwrap.dedent() in test_threading.SubinterpThreadingTests
* Revert "bpo-36818: Add PyInterpreterState.runtime field. (gh-13129)" (GH-13795)Victor Stinner2019-06-041-1/+1
| | | This reverts commit 396e0a8d9dc65453cb9d53500d0a620602656cfe.
* bpo-36818: Add PyInterpreterState.runtime field. (gh-13129)Eric Snow2019-06-011-1/+1
| | | https://bugs.python.org/issue36818
* bpo-36974: tp_print -> tp_vectorcall_offset and tp_reserved -> tp_as_async ↵Jeroen Demeyer2019-05-311-8/+8
| | | | | | | | | (GH-13464) Automatically replace tp_print -> tp_vectorcall_offset tp_compare -> tp_as_async tp_reserved -> tp_as_async
* bpo-37076: _thread.start_new_thread() calls _PyErr_WriteUnraisableMsg() ↵Victor Stinner2019-05-291-14/+4
| | | | | | | (GH-13617) _thread.start_new_thread() now logs uncaught exception raised by the function using sys.unraisablehook(), rather than sys.excepthook(), so the hook gets access to the function which raised the exception.
* bpo-1230540: Add threading.excepthook() (GH-13515)Victor Stinner2019-05-271-0/+156
| | | | | | | | | | | | | | | | | | | Add a new threading.excepthook() function which handles uncaught Thread.run() exception. It can be overridden to control how uncaught exceptions are handled. threading.ExceptHookArgs is not documented on purpose: it should not be used directly. * threading.excepthook() and threading.ExceptHookArgs. * Add _PyErr_Display(): similar to PyErr_Display(), but accept a 'file' parameter. * Add _thread._excepthook(): C implementation of the exception hook calling _PyErr_Display(). * Add _thread._ExceptHookArgs: structseq type. * Add threading._invoke_excepthook_wrapper() which handles the gory details to ensure that everything remains alive during Python shutdown. * Add unit tests.
* bpo-36084: Add native thread ID (TID) to threading.Thread (GH-13463)Jake Tesler2019-05-221-0/+20
| | | | Add native thread ID (TID) to threading.Thread objects (supported platforms: Windows, FreeBSD, Linux, macOS).
* Revert "bpo-36084: Add native thread ID to threading.Thread objects ↵Victor Stinner2019-05-211-16/+0
| | | | | (GH-11993)" (GH-13458) This reverts commit 4959c33d2555b89b494c678d99be81a65ee864b0.
* bpo-36084: Add native thread ID to threading.Thread objects (GH-11993)Jake Tesler2019-05-121-0/+16
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* bpo-36710: Add runtime parameter to _PyThreadState_Init() (GH-12935)Victor Stinner2019-04-241-1/+1
| | | | | | * Add 'runtime' parameter to _PyThreadState_Init() * Add 'gilstate' parameter to _PyGILState_NoteThreadState() * Move _PyThreadState_Init() and _PyThreadState_DeleteExcept() to the internal C API.
* bpo-35459: Use PyDict_GetItemWithError() instead of PyDict_GetItem(). (GH-11112)Serhiy Storchaka2019-02-251-10/+16
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* bpo-35454: Fix miscellaneous minor issues in error handling. (#11077)Serhiy Storchaka2018-12-111-3/+5
| | | | | | * bpo-35454: Fix miscellaneous minor issues in error handling. * Fix a null pointer dereference.
* bpo-33012: Fix invalid function cast warnings with gcc 8. (GH-6749)Serhiy Storchaka2018-11-271-5/+5
| | | | | | Fix invalid function cast warnings with gcc 8 for method conventions different from METH_NOARGS, METH_O and METH_VARARGS excluding Argument Clinic generated code.
* bpo-35059: Cast void* to PyObject* (GH-10650)Victor Stinner2018-11-221-1/+2
| | | Don't pass void* to Python macros: use _PyObject_CAST().
* bpo-35081: Rename internal headers (GH-10275)Victor Stinner2018-11-121-1/+1
| | | | | | | | | | | | | | Rename Include/internal/ headers: * pycore_hash.h -> pycore_pyhash.h * pycore_lifecycle.h -> pycore_pylifecycle.h * pycore_mem.h -> pycore_pymem.h * pycore_state.h -> pycore_pystate.h Add missing headers to Makefile.pre.in and PCbuild: * pycore_condvar.h. * pycore_hamt.h * pycore_pyhash.h
* bpo-35081: Add pycore_ prefix to internal header files (GH-10263)Victor Stinner2018-10-311-1/+1
| | | | | | | | | | | | | | | | | | | | * Rename Include/internal/ header files: * pyatomic.h -> pycore_atomic.h * ceval.h -> pycore_ceval.h * condvar.h -> pycore_condvar.h * context.h -> pycore_context.h * pygetopt.h -> pycore_getopt.h * gil.h -> pycore_gil.h * hamt.h -> pycore_hamt.h * hash.h -> pycore_hash.h * mem.h -> pycore_mem.h * pystate.h -> pycore_state.h * warnings.h -> pycore_warnings.h * PCbuild project, Makefile.pre.in, Modules/Setup: add the Include/internal/ directory to the search paths of header files. * Update includes. For example, replace #include "internal/mem.h" with #include "pycore_mem.h".
* Fix misleading mentions of tp_size in comments (GH-9093)Peter Eisentraut2018-09-101-2/+2
| | | | Many type object initializations labeled a field "tp_size" in the comment, but the name of that field is tp_basicsize.
* bpo-34301: Add _PyInterpreterState_Get() helper function (GH-8592)Victor Stinner2018-08-031-5/+5
| | | | sys_setcheckinterval() now uses a local variable to parse arguments, before writing into interp->check_interval.
* bpo-33012: Fix invalid function cast warnings with gcc 8 for METH_NOARGS. ↵Siddhesh Poyarekar2018-04-291-19/+19
| | | | | | | | | (GH-6030) METH_NOARGS functions need only a single argument but they are cast into a PyCFunction, which takes two arguments. This triggers an invalid function cast warning in gcc8 due to the argument mismatch. Fix this by adding a dummy unused argument.
* bpo-32747: Remove trailing spaces in docstrings. (GH-5491)oldk2018-02-021-1/+1
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* bpo-32544: Speed up hasattr() and getattr() (GH-5173)INADA Naoki2018-01-161-2/+4
| | | | | AttributeError was raised always when attribute is not found. This commit skip raising AttributeError when `tp_getattro` is `PyObject_GenericGetAttr`. It makes hasattr() and getattr() about 4x faster when attribute is not found.
* Fix CID-1420310: cast PY_TIMEOUT_MAX to _Py_time_t (#4646)Victor Stinner2017-11-301-1/+1
| | | | | | | | | | | | | Fix the following false-alarm Coverity warning: Result is not floating-point (UNINTENDED_INTEGER_DIVISION)integer_division: Dividing integer expressions 9223372036854775807LL and 1000LL, and then converting the integer quotient to type double. Any remainder, or fractional part of the quotient, is ignored. To compute and use a non-integer quotient, change or cast either operand to type double. If integer division is intended, consider indicating that by casting the result to type long long .
* Replace KB unit with KiB (#4293)Victor Stinner2017-11-081-2/+2
| | | | | | | | | | | kB (*kilo* byte) unit means 1000 bytes, whereas KiB ("kibibyte") means 1024 bytes. KB was misused: replace kB or KB with KiB when appropriate. Same change for MB and GB which become MiB and GiB. Change the output of Tools/iobench/iobench.py. Round also the size of the documentation from 5.5 MB to 5 MiB.
* bpo-30768: Recompute timeout on interrupted lock (GH-4103)Victor Stinner2017-10-241-2/+4
| | | | | | | | | | | | | | | | Fix the pthread+semaphore implementation of PyThread_acquire_lock_timed() when called with timeout > 0 and intr_flag=0: recompute the timeout if sem_timedwait() is interrupted by a signal (EINTR). See also the PEP 475. The pthread implementation of PyThread_acquire_lock() now fails with a fatal error if the timeout is larger than PY_TIMEOUT_MAX, as done in the Windows implementation. The check prevents any risk of overflow in PyThread_acquire_lock(). Add also PY_DWORD_MAX constant.
* bpo-31806: Use _PyTime_ROUND_TIMEOUT for the timeout argument parsing in ↵Pablo Galindo2017-10-181-2/+2
| | | | | | | | | more functions (#4026) Fix timeout rounding in time.sleep(), threading.Lock.acquire() and socket.socket.settimeout() to round correctly negative timeouts between -1.0 and 0.0. The functions now block waiting for events as expected. Previously, the call was incorrectly non-blocking.
* bpo-30860: Consolidate stateful runtime globals. (#3397)Eric Snow2017-09-081-5/+7
| | | | | | | * group the (stateful) runtime globals into various topical structs * consolidate the topical structs under a single top-level _PyRuntimeState struct * add a check-c-globals.py script that helps identify runtime globals Other globals are excluded (see globals.txt and check-c-globals.py).
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