[pull] main from python:main

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

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.
 

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.

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

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

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):

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.

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);
 }

Python/pystate.c

@@ -963,6 +963,8 @@ PyInterpreterState_Delete(PyInterpreterState *interp)
 
     _PyObject_FiniState(interp);
 
+    PyConfig_Clear(&interp->config);
+
     free_interpreter(interp);
 }