diff options
Diffstat (limited to 'Modules/_testcapimodule.c')
| -rw-r--r-- | Modules/_testcapimodule.c | 151 |
1 files changed, 146 insertions, 5 deletions
diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c index d86af15..9378317 100644 --- a/Modules/_testcapimodule.c +++ b/Modules/_testcapimodule.c @@ -907,7 +907,7 @@ static PyObject * getargs_keywords(PyObject *self, PyObject *args, PyObject *kwargs) { static char *keywords[] = {"arg1","arg2","arg3","arg4","arg5", NULL}; - static char *fmt="(ii)i|(i(ii))(iii)i"; + static const char fmt[] = "(ii)i|(i(ii))(iii)i"; int int_args[10]={-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}; if (!PyArg_ParseTupleAndKeywords(args, kwargs, fmt, keywords, @@ -1067,7 +1067,7 @@ test_k_code(PyObject *self) value = PyLong_AsUnsignedLongMask(num); if (value != ULONG_MAX) return raiseTestError("test_k_code", - "PyLong_AsUnsignedLongMask() returned wrong value for long 0xFFF...FFF"); + "PyLong_AsUnsignedLongMask() returned wrong value for long 0xFFF...FFF"); PyTuple_SET_ITEM(tuple, 0, num); @@ -1086,7 +1086,7 @@ test_k_code(PyObject *self) value = PyLong_AsUnsignedLongMask(num); if (value != (unsigned long)-0x42) return raiseTestError("test_k_code", - "PyLong_AsUnsignedLongMask() returned wrong value for long 0xFFF...FFF"); + "PyLong_AsUnsignedLongMask() returned wrong value for long 0xFFF...FFF"); PyTuple_SET_ITEM(tuple, 0, num); @@ -2810,7 +2810,9 @@ run_in_subinterp(PyObject *self, PyObject *args) static int check_time_rounding(int round) { - if (round != _PyTime_ROUND_FLOOR && round != _PyTime_ROUND_CEILING) { + if (round != _PyTime_ROUND_FLOOR + && round != _PyTime_ROUND_CEILING + && round != _PyTime_ROUND_HALF_EVEN) { PyErr_SetString(PyExc_ValueError, "invalid rounding"); return -1; } @@ -3691,6 +3693,137 @@ get_recursion_depth(PyObject *self, PyObject *args) return PyLong_FromLong(tstate->recursion_depth - 1); } +static PyObject* +pymem_buffer_overflow(PyObject *self, PyObject *args) +{ + char *buffer; + + /* Deliberate buffer overflow to check that PyMem_Free() detects + the overflow when debug hooks are installed. */ + buffer = PyMem_Malloc(16); + buffer[16] = 'x'; + PyMem_Free(buffer); + + Py_RETURN_NONE; +} + +static PyObject* +pymem_api_misuse(PyObject *self, PyObject *args) +{ + char *buffer; + + /* Deliberate misusage of Python allocators: + allococate with PyMem but release with PyMem_Raw. */ + buffer = PyMem_Malloc(16); + PyMem_RawFree(buffer); + + Py_RETURN_NONE; +} + +static PyObject* +pymem_malloc_without_gil(PyObject *self, PyObject *args) +{ + char *buffer; + + /* Deliberate bug to test debug hooks on Python memory allocators: + call PyMem_Malloc() without holding the GIL */ + Py_BEGIN_ALLOW_THREADS + buffer = PyMem_Malloc(10); + Py_END_ALLOW_THREADS + + PyMem_Free(buffer); + + Py_RETURN_NONE; +} + +static PyObject* +pyobject_malloc_without_gil(PyObject *self, PyObject *args) +{ + char *buffer; + + /* Deliberate bug to test debug hooks on Python memory allocators: + call PyObject_Malloc() without holding the GIL */ + Py_BEGIN_ALLOW_THREADS + buffer = PyObject_Malloc(10); + Py_END_ALLOW_THREADS + + PyObject_Free(buffer); + + Py_RETURN_NONE; +} + +static PyObject * +tracemalloc_track(PyObject *self, PyObject *args) +{ + unsigned int domain; + PyObject *ptr_obj; + void *ptr; + Py_ssize_t size; + int release_gil = 0; + int res; + + if (!PyArg_ParseTuple(args, "IOn|i", &domain, &ptr_obj, &size, &release_gil)) + return NULL; + ptr = PyLong_AsVoidPtr(ptr_obj); + if (PyErr_Occurred()) + return NULL; + + if (release_gil) { + Py_BEGIN_ALLOW_THREADS + res = _PyTraceMalloc_Track(domain, (Py_uintptr_t)ptr, size); + Py_END_ALLOW_THREADS + } + else { + res = _PyTraceMalloc_Track(domain, (Py_uintptr_t)ptr, size); + } + + if (res < 0) { + PyErr_SetString(PyExc_RuntimeError, "_PyTraceMalloc_Track error"); + return NULL; + } + + Py_RETURN_NONE; +} + +static PyObject * +tracemalloc_untrack(PyObject *self, PyObject *args) +{ + unsigned int domain; + PyObject *ptr_obj; + void *ptr; + int res; + + if (!PyArg_ParseTuple(args, "IO", &domain, &ptr_obj)) + return NULL; + ptr = PyLong_AsVoidPtr(ptr_obj); + if (PyErr_Occurred()) + return NULL; + + res = _PyTraceMalloc_Untrack(domain, (Py_uintptr_t)ptr); + if (res < 0) { + PyErr_SetString(PyExc_RuntimeError, "_PyTraceMalloc_Track error"); + return NULL; + } + + Py_RETURN_NONE; +} + +static PyObject * +tracemalloc_get_traceback(PyObject *self, PyObject *args) +{ + unsigned int domain; + PyObject *ptr_obj; + void *ptr; + + if (!PyArg_ParseTuple(args, "IO", &domain, &ptr_obj)) + return NULL; + ptr = PyLong_AsVoidPtr(ptr_obj); + if (PyErr_Occurred()) + return NULL; + + return _PyTraceMalloc_GetTraceback(domain, (Py_uintptr_t)ptr); +} + static PyMethodDef TestMethods[] = { {"raise_exception", raise_exception, METH_VARARGS}, @@ -3881,6 +4014,13 @@ static PyMethodDef TestMethods[] = { {"PyTime_AsMilliseconds", test_PyTime_AsMilliseconds, METH_VARARGS}, {"PyTime_AsMicroseconds", test_PyTime_AsMicroseconds, METH_VARARGS}, {"get_recursion_depth", get_recursion_depth, METH_NOARGS}, + {"pymem_buffer_overflow", pymem_buffer_overflow, METH_NOARGS}, + {"pymem_api_misuse", pymem_api_misuse, METH_NOARGS}, + {"pymem_malloc_without_gil", pymem_malloc_without_gil, METH_NOARGS}, + {"pyobject_malloc_without_gil", pyobject_malloc_without_gil, METH_NOARGS}, + {"tracemalloc_track", tracemalloc_track, METH_VARARGS}, + {"tracemalloc_untrack", tracemalloc_untrack, METH_VARARGS}, + {"tracemalloc_get_traceback", tracemalloc_get_traceback, METH_VARARGS}, {NULL, NULL} /* sentinel */ }; @@ -3944,7 +4084,7 @@ test_structmembers_new(PyTypeObject *type, PyObject *args, PyObject *kwargs) "T_LONGLONG", "T_ULONGLONG", #endif NULL}; - static char *fmt = "|bbBhHiIlknfds#" + static const char fmt[] = "|bbBhHiIlknfds#" #ifdef HAVE_LONG_LONG "LK" #endif @@ -4299,6 +4439,7 @@ PyInit__testcapi(void) PyModule_AddObject(m, "PY_SSIZE_T_MAX", PyLong_FromSsize_t(PY_SSIZE_T_MAX)); PyModule_AddObject(m, "PY_SSIZE_T_MIN", PyLong_FromSsize_t(PY_SSIZE_T_MIN)); PyModule_AddObject(m, "SIZEOF_PYGC_HEAD", PyLong_FromSsize_t(sizeof(PyGC_Head))); + PyModule_AddObject(m, "SIZEOF_TIME_T", PyLong_FromSsize_t(sizeof(time_t))); Py_INCREF(&PyInstanceMethod_Type); PyModule_AddObject(m, "instancemethod", (PyObject *)&PyInstanceMethod_Type); |