blob: cdc1617f6788957cc575e852dcdb9a917e07ee54 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/* -*- indent-tabs-mode: nil; tab-width: 4; -*- */
#ifndef GREENLET_CPYTHON_COMPAT_H
#define GREENLET_CPYTHON_COMPAT_H
/**
* Helpers for compatibility with multiple versions of CPython.
*/
#define PY_SSIZE_T_CLEAN
#include "Python.h"
#if PY_VERSION_HEX >= 0x30A00B1
# define GREENLET_PY310 1
/*
Python 3.10 beta 1 changed tstate->use_tracing to a nested cframe member.
See https://github.com/python/cpython/pull/25276
We have to save and restore this as well.
*/
# define GREENLET_USE_CFRAME 1
#else
# define GREENLET_USE_CFRAME 0
# define GREENLET_PY310 0
#endif
#if PY_VERSION_HEX >= 0x30B00A4
/*
Greenlet won't compile on anything older than Python 3.11 alpha 4 (see
https://bugs.python.org/issue46090). Summary of breaking internal changes:
- Python 3.11 alpha 1 changed how frame objects are represented internally.
- https://github.com/python/cpython/pull/30122
- Python 3.11 alpha 3 changed how recursion limits are stored.
- https://github.com/python/cpython/pull/29524
- Python 3.11 alpha 4 changed how exception state is stored. It also includes a
change to help greenlet save and restore the interpreter frame "data stack".
- https://github.com/python/cpython/pull/30122
- https://github.com/python/cpython/pull/30234
*/
# define GREENLET_PY311 1
#else
# define GREENLET_PY311 0
#endif
#if PY_VERSION_HEX >= 0x30C0000
# define GREENLET_PY312 1
#else
# define GREENLET_PY312 0
#endif
#ifndef Py_SET_REFCNT
/* Py_REFCNT and Py_SIZE macros are converted to functions
https://bugs.python.org/issue39573 */
# define Py_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt)
#endif
#ifndef _Py_DEC_REFTOTAL
/* _Py_DEC_REFTOTAL macro has been removed from Python 3.9 by:
https://github.com/python/cpython/commit/49932fec62c616ec88da52642339d83ae719e924
The symbol we use to replace it was removed by at least 3.12.
*/
# ifdef Py_REF_DEBUG
# if GREENLET_PY312
# define _Py_DEC_REFTOTAL
# else
# define _Py_DEC_REFTOTAL _Py_RefTotal--
# endif
# else
# define _Py_DEC_REFTOTAL
# endif
#endif
// Define these flags like Cython does if we're on an old version.
#ifndef Py_TPFLAGS_CHECKTYPES
#define Py_TPFLAGS_CHECKTYPES 0
#endif
#ifndef Py_TPFLAGS_HAVE_INDEX
#define Py_TPFLAGS_HAVE_INDEX 0
#endif
#ifndef Py_TPFLAGS_HAVE_NEWBUFFER
#define Py_TPFLAGS_HAVE_NEWBUFFER 0
#endif
#ifndef Py_TPFLAGS_HAVE_VERSION_TAG
#define Py_TPFLAGS_HAVE_VERSION_TAG 0
#endif
#define G_TPFLAGS_DEFAULT Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_VERSION_TAG | Py_TPFLAGS_CHECKTYPES | Py_TPFLAGS_HAVE_NEWBUFFER | Py_TPFLAGS_HAVE_GC
#if PY_VERSION_HEX < 0x03090000
// The official version only became available in 3.9
# define PyObject_GC_IsTracked(o) _PyObject_GC_IS_TRACKED(o)
#endif
// bpo-43760 added PyThreadState_EnterTracing() to Python 3.11.0a2
#if PY_VERSION_HEX < 0x030B00A2 && !defined(PYPY_VERSION)
static inline void PyThreadState_EnterTracing(PyThreadState *tstate)
{
tstate->tracing++;
#if PY_VERSION_HEX >= 0x030A00A1
tstate->cframe->use_tracing = 0;
#else
tstate->use_tracing = 0;
#endif
}
#endif
// bpo-43760 added PyThreadState_LeaveTracing() to Python 3.11.0a2
#if PY_VERSION_HEX < 0x030B00A2 && !defined(PYPY_VERSION)
static inline void PyThreadState_LeaveTracing(PyThreadState *tstate)
{
tstate->tracing--;
int use_tracing = (tstate->c_tracefunc != NULL
|| tstate->c_profilefunc != NULL);
#if PY_VERSION_HEX >= 0x030A00A1
tstate->cframe->use_tracing = use_tracing;
#else
tstate->use_tracing = use_tracing;
#endif
}
#endif
#endif /* GREENLET_CPYTHON_COMPAT_H */
|
