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bpo-36389: Add _PyObject_CheckConsistency() function (GH-12803)

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Add a new _PyObject_CheckConsistency() function which can be used to
help debugging. The function is available in release mode.

Add a 'check_content' parameter to _PyDict_CheckConsistency().
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Victor Stinner 2019-04-12 21:51:34 +02:00 • committed by GitHub
parent 23a683adf8
commit 0fc91eef34
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6 changed files with 160 additions and 116 deletions
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15
Include/cpython/object.h
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@ -446,6 +446,21 @@ PyAPI_FUNC(void) _PyObject_AssertFailed(
int line,
const char *function);
/* Check if an object is consistent. For example, ensure that the reference
counter is greater than or equal to 1, and ensure that ob_type is not NULL.
Call _PyObject_AssertFailed() if the object is inconsistent.
If check_content is zero, only check header fields: reduce the overhead.
The function always return 1. The return value is just here to be able to
write:
assert(_PyObject_CheckConsistency(obj, 1)); */
PyAPI_FUNC(int) _PyObject_CheckConsistency(
PyObject *op,
int check_content);
#ifdef __cplusplus
}
#endif

4
Include/internal/pycore_object.h
View file

@ -10,6 +10,10 @@ extern "C" {
#include "pycore_pystate.h" /* _PyRuntime */
PyAPI_FUNC(int) _PyType_CheckConsistency(PyTypeObject *type);
PyAPI_FUNC(int) _PyUnicode_CheckConsistency(PyObject *op, int check_content);
PyAPI_FUNC(int) _PyDict_CheckConsistency(PyObject *mp, int check_content);
/* Tell the GC to track this object.
*
* NB: While the object is tracked by the collector, it must be safe to call the