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- /*[clinic input]
- preserve
- [clinic start generated code]*/
- #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
- # include "pycore_gc.h" // PyGC_Head
- # include "pycore_runtime.h" // _Py_ID()
- #endif
- PyDoc_STRVAR(gc_enable__doc__,
- "enable($module, /)\n"
- "--\n"
- "\n"
- "Enable automatic garbage collection.");
- #define GC_ENABLE_METHODDEF \
- {"enable", (PyCFunction)gc_enable, METH_NOARGS, gc_enable__doc__},
- static PyObject *
- gc_enable_impl(PyObject *module);
- static PyObject *
- gc_enable(PyObject *module, PyObject *Py_UNUSED(ignored))
- {
- return gc_enable_impl(module);
- }
- PyDoc_STRVAR(gc_disable__doc__,
- "disable($module, /)\n"
- "--\n"
- "\n"
- "Disable automatic garbage collection.");
- #define GC_DISABLE_METHODDEF \
- {"disable", (PyCFunction)gc_disable, METH_NOARGS, gc_disable__doc__},
- static PyObject *
- gc_disable_impl(PyObject *module);
- static PyObject *
- gc_disable(PyObject *module, PyObject *Py_UNUSED(ignored))
- {
- return gc_disable_impl(module);
- }
- PyDoc_STRVAR(gc_isenabled__doc__,
- "isenabled($module, /)\n"
- "--\n"
- "\n"
- "Returns true if automatic garbage collection is enabled.");
- #define GC_ISENABLED_METHODDEF \
- {"isenabled", (PyCFunction)gc_isenabled, METH_NOARGS, gc_isenabled__doc__},
- static int
- gc_isenabled_impl(PyObject *module);
- static PyObject *
- gc_isenabled(PyObject *module, PyObject *Py_UNUSED(ignored))
- {
- PyObject *return_value = NULL;
- int _return_value;
- _return_value = gc_isenabled_impl(module);
- if ((_return_value == -1) && PyErr_Occurred()) {
- goto exit;
- }
- return_value = PyBool_FromLong((long)_return_value);
- exit:
- return return_value;
- }
- PyDoc_STRVAR(gc_collect__doc__,
- "collect($module, /, generation=2)\n"
- "--\n"
- "\n"
- "Run the garbage collector.\n"
- "\n"
- "With no arguments, run a full collection. The optional argument\n"
- "may be an integer specifying which generation to collect. A ValueError\n"
- "is raised if the generation number is invalid.\n"
- "\n"
- "The number of unreachable objects is returned.");
- #define GC_COLLECT_METHODDEF \
- {"collect", _PyCFunction_CAST(gc_collect), METH_FASTCALL|METH_KEYWORDS, gc_collect__doc__},
- static Py_ssize_t
- gc_collect_impl(PyObject *module, int generation);
- static PyObject *
- gc_collect(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
- {
- PyObject *return_value = NULL;
- #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
- #define NUM_KEYWORDS 1
- static struct {
- PyGC_Head _this_is_not_used;
- PyObject_VAR_HEAD
- PyObject *ob_item[NUM_KEYWORDS];
- } _kwtuple = {
- .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
- .ob_item = { &_Py_ID(generation), },
- };
- #undef NUM_KEYWORDS
- #define KWTUPLE (&_kwtuple.ob_base.ob_base)
- #else // !Py_BUILD_CORE
- # define KWTUPLE NULL
- #endif // !Py_BUILD_CORE
- static const char * const _keywords[] = {"generation", NULL};
- static _PyArg_Parser _parser = {
- .keywords = _keywords,
- .fname = "collect",
- .kwtuple = KWTUPLE,
- };
- #undef KWTUPLE
- PyObject *argsbuf[1];
- Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
- int generation = NUM_GENERATIONS - 1;
- Py_ssize_t _return_value;
- args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 0, 1, 0, argsbuf);
- if (!args) {
- goto exit;
- }
- if (!noptargs) {
- goto skip_optional_pos;
- }
- generation = _PyLong_AsInt(args[0]);
- if (generation == -1 && PyErr_Occurred()) {
- goto exit;
- }
- skip_optional_pos:
- _return_value = gc_collect_impl(module, generation);
- if ((_return_value == -1) && PyErr_Occurred()) {
- goto exit;
- }
- return_value = PyLong_FromSsize_t(_return_value);
- exit:
- return return_value;
- }
- PyDoc_STRVAR(gc_set_debug__doc__,
- "set_debug($module, flags, /)\n"
- "--\n"
- "\n"
- "Set the garbage collection debugging flags.\n"
- "\n"
- " flags\n"
- " An integer that can have the following bits turned on:\n"
- " DEBUG_STATS - Print statistics during collection.\n"
- " DEBUG_COLLECTABLE - Print collectable objects found.\n"
- " DEBUG_UNCOLLECTABLE - Print unreachable but uncollectable objects\n"
- " found.\n"
- " DEBUG_SAVEALL - Save objects to gc.garbage rather than freeing them.\n"
- " DEBUG_LEAK - Debug leaking programs (everything but STATS).\n"
- "\n"
- "Debugging information is written to sys.stderr.");
- #define GC_SET_DEBUG_METHODDEF \
- {"set_debug", (PyCFunction)gc_set_debug, METH_O, gc_set_debug__doc__},
- static PyObject *
- gc_set_debug_impl(PyObject *module, int flags);
- static PyObject *
- gc_set_debug(PyObject *module, PyObject *arg)
- {
- PyObject *return_value = NULL;
- int flags;
- flags = _PyLong_AsInt(arg);
- if (flags == -1 && PyErr_Occurred()) {
- goto exit;
- }
- return_value = gc_set_debug_impl(module, flags);
- exit:
- return return_value;
- }
- PyDoc_STRVAR(gc_get_debug__doc__,
- "get_debug($module, /)\n"
- "--\n"
- "\n"
- "Get the garbage collection debugging flags.");
- #define GC_GET_DEBUG_METHODDEF \
- {"get_debug", (PyCFunction)gc_get_debug, METH_NOARGS, gc_get_debug__doc__},
- static int
- gc_get_debug_impl(PyObject *module);
- static PyObject *
- gc_get_debug(PyObject *module, PyObject *Py_UNUSED(ignored))
- {
- PyObject *return_value = NULL;
- int _return_value;
- _return_value = gc_get_debug_impl(module);
- if ((_return_value == -1) && PyErr_Occurred()) {
- goto exit;
- }
- return_value = PyLong_FromLong((long)_return_value);
- exit:
- return return_value;
- }
- PyDoc_STRVAR(gc_get_threshold__doc__,
- "get_threshold($module, /)\n"
- "--\n"
- "\n"
- "Return the current collection thresholds.");
- #define GC_GET_THRESHOLD_METHODDEF \
- {"get_threshold", (PyCFunction)gc_get_threshold, METH_NOARGS, gc_get_threshold__doc__},
- static PyObject *
- gc_get_threshold_impl(PyObject *module);
- static PyObject *
- gc_get_threshold(PyObject *module, PyObject *Py_UNUSED(ignored))
- {
- return gc_get_threshold_impl(module);
- }
- PyDoc_STRVAR(gc_get_count__doc__,
- "get_count($module, /)\n"
- "--\n"
- "\n"
- "Return a three-tuple of the current collection counts.");
- #define GC_GET_COUNT_METHODDEF \
- {"get_count", (PyCFunction)gc_get_count, METH_NOARGS, gc_get_count__doc__},
- static PyObject *
- gc_get_count_impl(PyObject *module);
- static PyObject *
- gc_get_count(PyObject *module, PyObject *Py_UNUSED(ignored))
- {
- return gc_get_count_impl(module);
- }
- PyDoc_STRVAR(gc_get_objects__doc__,
- "get_objects($module, /, generation=None)\n"
- "--\n"
- "\n"
- "Return a list of objects tracked by the collector (excluding the list returned).\n"
- "\n"
- " generation\n"
- " Generation to extract the objects from.\n"
- "\n"
- "If generation is not None, return only the objects tracked by the collector\n"
- "that are in that generation.");
- #define GC_GET_OBJECTS_METHODDEF \
- {"get_objects", _PyCFunction_CAST(gc_get_objects), METH_FASTCALL|METH_KEYWORDS, gc_get_objects__doc__},
- static PyObject *
- gc_get_objects_impl(PyObject *module, Py_ssize_t generation);
- static PyObject *
- gc_get_objects(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
- {
- PyObject *return_value = NULL;
- #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
- #define NUM_KEYWORDS 1
- static struct {
- PyGC_Head _this_is_not_used;
- PyObject_VAR_HEAD
- PyObject *ob_item[NUM_KEYWORDS];
- } _kwtuple = {
- .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
- .ob_item = { &_Py_ID(generation), },
- };
- #undef NUM_KEYWORDS
- #define KWTUPLE (&_kwtuple.ob_base.ob_base)
- #else // !Py_BUILD_CORE
- # define KWTUPLE NULL
- #endif // !Py_BUILD_CORE
- static const char * const _keywords[] = {"generation", NULL};
- static _PyArg_Parser _parser = {
- .keywords = _keywords,
- .fname = "get_objects",
- .kwtuple = KWTUPLE,
- };
- #undef KWTUPLE
- PyObject *argsbuf[1];
- Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
- Py_ssize_t generation = -1;
- args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 0, 1, 0, argsbuf);
- if (!args) {
- goto exit;
- }
- if (!noptargs) {
- goto skip_optional_pos;
- }
- if (!_Py_convert_optional_to_ssize_t(args[0], &generation)) {
- goto exit;
- }
- skip_optional_pos:
- return_value = gc_get_objects_impl(module, generation);
- exit:
- return return_value;
- }
- PyDoc_STRVAR(gc_get_stats__doc__,
- "get_stats($module, /)\n"
- "--\n"
- "\n"
- "Return a list of dictionaries containing per-generation statistics.");
- #define GC_GET_STATS_METHODDEF \
- {"get_stats", (PyCFunction)gc_get_stats, METH_NOARGS, gc_get_stats__doc__},
- static PyObject *
- gc_get_stats_impl(PyObject *module);
- static PyObject *
- gc_get_stats(PyObject *module, PyObject *Py_UNUSED(ignored))
- {
- return gc_get_stats_impl(module);
- }
- PyDoc_STRVAR(gc_is_tracked__doc__,
- "is_tracked($module, obj, /)\n"
- "--\n"
- "\n"
- "Returns true if the object is tracked by the garbage collector.\n"
- "\n"
- "Simple atomic objects will return false.");
- #define GC_IS_TRACKED_METHODDEF \
- {"is_tracked", (PyCFunction)gc_is_tracked, METH_O, gc_is_tracked__doc__},
- PyDoc_STRVAR(gc_is_finalized__doc__,
- "is_finalized($module, obj, /)\n"
- "--\n"
- "\n"
- "Returns true if the object has been already finalized by the GC.");
- #define GC_IS_FINALIZED_METHODDEF \
- {"is_finalized", (PyCFunction)gc_is_finalized, METH_O, gc_is_finalized__doc__},
- PyDoc_STRVAR(gc_freeze__doc__,
- "freeze($module, /)\n"
- "--\n"
- "\n"
- "Freeze all current tracked objects and ignore them for future collections.\n"
- "\n"
- "This can be used before a POSIX fork() call to make the gc copy-on-write friendly.\n"
- "Note: collection before a POSIX fork() call may free pages for future allocation\n"
- "which can cause copy-on-write.");
- #define GC_FREEZE_METHODDEF \
- {"freeze", (PyCFunction)gc_freeze, METH_NOARGS, gc_freeze__doc__},
- static PyObject *
- gc_freeze_impl(PyObject *module);
- static PyObject *
- gc_freeze(PyObject *module, PyObject *Py_UNUSED(ignored))
- {
- return gc_freeze_impl(module);
- }
- PyDoc_STRVAR(gc_unfreeze__doc__,
- "unfreeze($module, /)\n"
- "--\n"
- "\n"
- "Unfreeze all objects in the permanent generation.\n"
- "\n"
- "Put all objects in the permanent generation back into oldest generation.");
- #define GC_UNFREEZE_METHODDEF \
- {"unfreeze", (PyCFunction)gc_unfreeze, METH_NOARGS, gc_unfreeze__doc__},
- static PyObject *
- gc_unfreeze_impl(PyObject *module);
- static PyObject *
- gc_unfreeze(PyObject *module, PyObject *Py_UNUSED(ignored))
- {
- return gc_unfreeze_impl(module);
- }
- PyDoc_STRVAR(gc_get_freeze_count__doc__,
- "get_freeze_count($module, /)\n"
- "--\n"
- "\n"
- "Return the number of objects in the permanent generation.");
- #define GC_GET_FREEZE_COUNT_METHODDEF \
- {"get_freeze_count", (PyCFunction)gc_get_freeze_count, METH_NOARGS, gc_get_freeze_count__doc__},
- static Py_ssize_t
- gc_get_freeze_count_impl(PyObject *module);
- static PyObject *
- gc_get_freeze_count(PyObject *module, PyObject *Py_UNUSED(ignored))
- {
- PyObject *return_value = NULL;
- Py_ssize_t _return_value;
- _return_value = gc_get_freeze_count_impl(module);
- if ((_return_value == -1) && PyErr_Occurred()) {
- goto exit;
- }
- return_value = PyLong_FromSsize_t(_return_value);
- exit:
- return return_value;
- }
- /*[clinic end generated code: output=66432ac0e17fd04f input=a9049054013a1b77]*/
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