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Code Issues 121 Wiki Activity

modify and cleanup python headers and libs

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This commit is contained in:
milek7
2019-01-19 00:06:48 +01:00
parent 1314f09c4d
commit 09f1efd376
78 changed files with 454 additions and 176 deletions
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72
ref/python/include/object.h
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@@ -527,7 +527,9 @@ PyAPI_DATA(_Py_HashSecret_t) _Py_HashSecret;
PyAPI_DATA(int) _Py_HashSecret_Initialized;
#endif
/* Helper for passing objects to printf and the like */
/* Helper for passing objects to printf and the like.
Leaks refcounts. Don't use it!
*/
#define PyObject_REPR(obj) PyString_AS_STRING(PyObject_Repr(obj))
/* Flag bits for printing: */
@@ -776,7 +778,7 @@ PyAPI_FUNC(void) _Py_AddToAllObjects(PyObject *, int force);
} while (0)
/* Safely decref `op` and set `op` to NULL, especially useful in tp_clear
* and tp_dealloc implementatons.
* and tp_dealloc implementations.
*
* Note that "the obvious" code can be deadly:
*
@@ -822,6 +824,39 @@ PyAPI_FUNC(void) _Py_AddToAllObjects(PyObject *, int force);
#define Py_XINCREF(op) do { if ((op) == NULL) ; else Py_INCREF(op); } while (0)
#define Py_XDECREF(op) do { if ((op) == NULL) ; else Py_DECREF(op); } while (0)
/* Safely decref `op` and set `op` to `op2`.
*
* As in case of Py_CLEAR "the obvious" code can be deadly:
*
* Py_DECREF(op);
* op = op2;
*
* The safe way is:
*
* Py_SETREF(op, op2);
*
* That arranges to set `op` to `op2` _before_ decref'ing, so that any code
* triggered as a side-effect of `op` getting torn down no longer believes
* `op` points to a valid object.
*
* Py_XSETREF is a variant of Py_SETREF that uses Py_XDECREF instead of
* Py_DECREF.
*/
#define Py_SETREF(op, op2) \
do { \
PyObject *_py_tmp = (PyObject *)(op); \
(op) = (op2); \
Py_DECREF(_py_tmp); \
} while (0)
#define Py_XSETREF(op, op2) \
do { \
PyObject *_py_tmp = (PyObject *)(op); \
(op) = (op2); \
Py_XDECREF(_py_tmp); \
} while (0)
/*
These are provided as conveniences to Python runtime embedders, so that
they can have object code that is not dependent on Python compilation flags.
@@ -971,24 +1006,39 @@ chain of N deallocations is broken into N / PyTrash_UNWIND_LEVEL pieces,
with the call stack never exceeding a depth of PyTrash_UNWIND_LEVEL.
*/
/* This is the old private API, invoked by the macros before 2.7.4.
Kept for binary compatibility of extensions. */
PyAPI_FUNC(void) _PyTrash_deposit_object(PyObject*);
PyAPI_FUNC(void) _PyTrash_destroy_chain(void);
PyAPI_DATA(int) _PyTrash_delete_nesting;
PyAPI_DATA(PyObject *) _PyTrash_delete_later;
/* The new thread-safe private API, invoked by the macros below. */
PyAPI_FUNC(void) _PyTrash_thread_deposit_object(PyObject*);
PyAPI_FUNC(void) _PyTrash_thread_destroy_chain(void);
#define PyTrash_UNWIND_LEVEL 50
/* Note the workaround for when the thread state is NULL (issue #17703) */
#define Py_TRASHCAN_SAFE_BEGIN(op) \
if (_PyTrash_delete_nesting < PyTrash_UNWIND_LEVEL) { \
++_PyTrash_delete_nesting;
/* The body of the deallocator is here. */
do { \
PyThreadState *_tstate = PyThreadState_GET(); \
if (!_tstate || \
_tstate->trash_delete_nesting < PyTrash_UNWIND_LEVEL) { \
if (_tstate) \
++_tstate->trash_delete_nesting;
/* The body of the deallocator is here. */
#define Py_TRASHCAN_SAFE_END(op) \
--_PyTrash_delete_nesting; \
if (_PyTrash_delete_later && _PyTrash_delete_nesting <= 0) \
_PyTrash_destroy_chain(); \
} \
else \
_PyTrash_deposit_object((PyObject*)op);
if (_tstate) { \
--_tstate->trash_delete_nesting; \
if (_tstate->trash_delete_later \
&& _tstate->trash_delete_nesting <= 0) \
_PyTrash_thread_destroy_chain(); \
} \
} \
else \
_PyTrash_thread_deposit_object((PyObject*)op); \
} while (0);
#ifdef __cplusplus
}