diff --git a/Doc/c-api/iter.rst b/Doc/c-api/iter.rst index bf9df62c6f17065..6cfd24c5ae60c80 100644 --- a/Doc/c-api/iter.rst +++ b/Doc/c-api/iter.rst @@ -54,6 +54,6 @@ There are two functions specifically for working with iterators. - ``PYGEN_RETURN`` if iterator returns. Return value is returned via *presult*. - ``PYGEN_NEXT`` if iterator yields. Yielded value is returned via *presult*. - - ``PYGEN_ERROR`` if iterator has raised and exception. *presult* is set to ``NULL``. + - ``PYGEN_ERROR`` if iterator has raised an exception. *presult* is set to ``NULL``. .. versionadded:: 3.10 diff --git a/Doc/library/functools.rst b/Doc/library/functools.rst index f8ffb3f41d1210e..37d9f87e7791dc7 100644 --- a/Doc/library/functools.rst +++ b/Doc/library/functools.rst @@ -190,7 +190,7 @@ The :mod:`functools` module defines the following functions: Note, type specificity applies only to the function's immediate arguments rather than their contents. The scalar arguments, ``Decimal(42)`` and - ``Fraction(42)`` are be treated as distinct calls with distinct results. + ``Fraction(42)`` are treated as distinct calls with distinct results. In contrast, the tuple arguments ``('answer', Decimal(42))`` and ``('answer', Fraction(42))`` are treated as equivalent. diff --git a/Doc/library/resource.rst b/Doc/library/resource.rst index 9f6c3a88f0a0eb6..c58dc4243ecb19f 100644 --- a/Doc/library/resource.rst +++ b/Doc/library/resource.rst @@ -141,7 +141,7 @@ platform. .. data:: RLIMIT_CPU The maximum amount of processor time (in seconds) that a process can use. If - this limit is exceeded, a :const:`SIGXCPU` signal is sent to the process. (See + this limit is exceeded, a :const:`~signal.SIGXCPU` signal is sent to the process. (See the :mod:`signal` module documentation for information about how to catch this signal and do something useful, e.g. flush open files to disk.) @@ -363,47 +363,47 @@ These functions are used to retrieve resource usage information: For backward compatibility, the return value is also accessible as a tuple of 16 elements. - The fields :attr:`ru_utime` and :attr:`ru_stime` of the return value are + The fields :attr:`!ru_utime` and :attr:`!ru_stime` of the return value are floating-point values representing the amount of time spent executing in user mode and the amount of time spent executing in system mode, respectively. The remaining values are integers. Consult the :manpage:`getrusage(2)` man page for detailed information about these values. A brief summary is presented here: - +--------+---------------------+---------------------------------------+ - | Index | Field | Resource | - +========+=====================+=======================================+ - | ``0`` | :attr:`ru_utime` | time in user mode (float seconds) | - +--------+---------------------+---------------------------------------+ - | ``1`` | :attr:`ru_stime` | time in system mode (float seconds) | - +--------+---------------------+---------------------------------------+ - | ``2`` | :attr:`ru_maxrss` | maximum resident set size | - +--------+---------------------+---------------------------------------+ - | ``3`` | :attr:`ru_ixrss` | shared memory size | - +--------+---------------------+---------------------------------------+ - | ``4`` | :attr:`ru_idrss` | unshared memory size | - +--------+---------------------+---------------------------------------+ - | ``5`` | :attr:`ru_isrss` | unshared stack size | - +--------+---------------------+---------------------------------------+ - | ``6`` | :attr:`ru_minflt` | page faults not requiring I/O | - +--------+---------------------+---------------------------------------+ - | ``7`` | :attr:`ru_majflt` | page faults requiring I/O | - +--------+---------------------+---------------------------------------+ - | ``8`` | :attr:`ru_nswap` | number of swap outs | - +--------+---------------------+---------------------------------------+ - | ``9`` | :attr:`ru_inblock` | block input operations | - +--------+---------------------+---------------------------------------+ - | ``10`` | :attr:`ru_oublock` | block output operations | - +--------+---------------------+---------------------------------------+ - | ``11`` | :attr:`ru_msgsnd` | messages sent | - +--------+---------------------+---------------------------------------+ - | ``12`` | :attr:`ru_msgrcv` | messages received | - +--------+---------------------+---------------------------------------+ - | ``13`` | :attr:`ru_nsignals` | signals received | - +--------+---------------------+---------------------------------------+ - | ``14`` | :attr:`ru_nvcsw` | voluntary context switches | - +--------+---------------------+---------------------------------------+ - | ``15`` | :attr:`ru_nivcsw` | involuntary context switches | - +--------+---------------------+---------------------------------------+ + +--------+----------------------+---------------------------------------+ + | Index | Field | Resource | + +========+======================+=======================================+ + | ``0`` | :attr:`!ru_utime` | time in user mode (float seconds) | + +--------+----------------------+---------------------------------------+ + | ``1`` | :attr:`!ru_stime` | time in system mode (float seconds) | + +--------+----------------------+---------------------------------------+ + | ``2`` | :attr:`!ru_maxrss` | maximum resident set size | + +--------+----------------------+---------------------------------------+ + | ``3`` | :attr:`!ru_ixrss` | shared memory size | + +--------+----------------------+---------------------------------------+ + | ``4`` | :attr:`!ru_idrss` | unshared memory size | + +--------+----------------------+---------------------------------------+ + | ``5`` | :attr:`!ru_isrss` | unshared stack size | + +--------+----------------------+---------------------------------------+ + | ``6`` | :attr:`!ru_minflt` | page faults not requiring I/O | + +--------+----------------------+---------------------------------------+ + | ``7`` | :attr:`!ru_majflt` | page faults requiring I/O | + +--------+----------------------+---------------------------------------+ + | ``8`` | :attr:`!ru_nswap` | number of swap outs | + +--------+----------------------+---------------------------------------+ + | ``9`` | :attr:`!ru_inblock` | block input operations | + +--------+----------------------+---------------------------------------+ + | ``10`` | :attr:`!ru_oublock` | block output operations | + +--------+----------------------+---------------------------------------+ + | ``11`` | :attr:`!ru_msgsnd` | messages sent | + +--------+----------------------+---------------------------------------+ + | ``12`` | :attr:`!ru_msgrcv` | messages received | + +--------+----------------------+---------------------------------------+ + | ``13`` | :attr:`!ru_nsignals` | signals received | + +--------+----------------------+---------------------------------------+ + | ``14`` | :attr:`!ru_nvcsw` | voluntary context switches | + +--------+----------------------+---------------------------------------+ + | ``15`` | :attr:`!ru_nivcsw` | involuntary context switches | + +--------+----------------------+---------------------------------------+ This function will raise a :exc:`ValueError` if an invalid *who* parameter is specified. It may also raise :exc:`error` exception in unusual circumstances. diff --git a/Doc/library/signal.rst b/Doc/library/signal.rst index bbc4b91b921893f..cdefcd29ef7fd5c 100644 --- a/Doc/library/signal.rst +++ b/Doc/library/signal.rst @@ -265,6 +265,12 @@ The variables defined in the :mod:`signal` module are: .. availability:: Unix. +.. data:: SIGXCPU + + CPU time limit exceeded. + + .. availability:: Unix. + .. data:: SIG* All the signal numbers are defined symbolically. For example, the hangup signal diff --git a/Doc/tools/.nitignore b/Doc/tools/.nitignore index 29fd3cfda458f0d..6fee1c192c3aff7 100644 --- a/Doc/tools/.nitignore +++ b/Doc/tools/.nitignore @@ -27,7 +27,6 @@ Doc/library/os.rst Doc/library/pickletools.rst Doc/library/profile.rst Doc/library/pyexpat.rst -Doc/library/resource.rst Doc/library/select.rst Doc/library/socket.rst Doc/library/ssl.rst diff --git a/Lib/test/test_gc.py b/Lib/test/test_gc.py index 4328909053465ea..70d9d009fa8bfdf 100644 --- a/Lib/test/test_gc.py +++ b/Lib/test/test_gc.py @@ -1559,6 +1559,20 @@ def test_indirect_calls_with_gc_disabled(self): finally: gc.enable() + # Ensure that setting *threshold0* to zero disables collection. + @gc_threshold(0) + def test_threshold_zero(self): + junk = [] + i = 0 + detector = GC_Detector() + while not detector.gc_happened: + i += 1 + if i > 50000: + break + junk.append([]) # this may eventually trigger gc (if it is enabled) + + self.assertEqual(i, 50001) + class PythonFinalizationTests(unittest.TestCase): def test_ast_fini(self): diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2025-10-18-18-08-36.gh-issue-140301.m-2HxC.rst b/Misc/NEWS.d/next/Core_and_Builtins/2025-10-18-18-08-36.gh-issue-140301.m-2HxC.rst new file mode 100644 index 000000000000000..8b1c81c04ece92c --- /dev/null +++ b/Misc/NEWS.d/next/Core_and_Builtins/2025-10-18-18-08-36.gh-issue-140301.m-2HxC.rst @@ -0,0 +1 @@ +Fix memory leak of ``PyConfig`` in subinterpreters. diff --git a/Modules/clinic/posixmodule.c.h b/Modules/clinic/posixmodule.c.h index 7bd3d0ebfaa5ff5..d880fc52bb370dc 100644 --- a/Modules/clinic/posixmodule.c.h +++ b/Modules/clinic/posixmodule.c.h @@ -12781,7 +12781,7 @@ PyDoc_STRVAR(os__inputhook__doc__, "_inputhook($module, /)\n" "--\n" "\n" -"Calls PyOS_CallInputHook droppong the GIL first"); +"Calls PyOS_InputHook dropping the GIL first"); #define OS__INPUTHOOK_METHODDEF \ {"_inputhook", (PyCFunction)os__inputhook, METH_NOARGS, os__inputhook__doc__}, @@ -12799,7 +12799,7 @@ PyDoc_STRVAR(os__is_inputhook_installed__doc__, "_is_inputhook_installed($module, /)\n" "--\n" "\n" -"Checks if PyOS_CallInputHook is set"); +"Checks if PyOS_InputHook is set"); #define OS__IS_INPUTHOOK_INSTALLED_METHODDEF \ {"_is_inputhook_installed", (PyCFunction)os__is_inputhook_installed, METH_NOARGS, os__is_inputhook_installed__doc__}, @@ -13610,4 +13610,4 @@ os__emscripten_log(PyObject *module, PyObject *const *args, Py_ssize_t nargs, Py #ifndef OS__EMSCRIPTEN_LOG_METHODDEF #define OS__EMSCRIPTEN_LOG_METHODDEF #endif /* !defined(OS__EMSCRIPTEN_LOG_METHODDEF) */ -/*[clinic end generated code: output=44f7a1a16dad2e08 input=a9049054013a1b77]*/ +/*[clinic end generated code: output=82f60940338c70e4 input=a9049054013a1b77]*/ diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c index 1338be22e186788..e9a3b6d29b88a65 100644 --- a/Modules/posixmodule.c +++ b/Modules/posixmodule.c @@ -17308,12 +17308,12 @@ os__supports_virtual_terminal_impl(PyObject *module) /*[clinic input] os._inputhook -Calls PyOS_CallInputHook droppong the GIL first +Calls PyOS_InputHook dropping the GIL first [clinic start generated code]*/ static PyObject * os__inputhook_impl(PyObject *module) -/*[clinic end generated code: output=525aca4ef3c6149f input=fc531701930d064f]*/ +/*[clinic end generated code: output=525aca4ef3c6149f input=b5018fa1ec3aa440]*/ { int result = 0; if (PyOS_InputHook) { @@ -17327,12 +17327,12 @@ os__inputhook_impl(PyObject *module) /*[clinic input] os._is_inputhook_installed -Checks if PyOS_CallInputHook is set +Checks if PyOS_InputHook is set [clinic start generated code]*/ static PyObject * os__is_inputhook_installed_impl(PyObject *module) -/*[clinic end generated code: output=3b3eab4f672c689a input=ff177c9938dd76d8]*/ +/*[clinic end generated code: output=3b3eab4f672c689a input=757820f79f48820c]*/ { return PyBool_FromLong(PyOS_InputHook != NULL); } diff --git a/Python/pystate.c b/Python/pystate.c index af7828d6a030ab9..955457cdcf5c289 100644 --- a/Python/pystate.c +++ b/Python/pystate.c @@ -963,6 +963,8 @@ PyInterpreterState_Delete(PyInterpreterState *interp) _PyObject_FiniState(interp); + PyConfig_Clear(&interp->config); + free_interpreter(interp); }