blob: 7ef9c40153e4211ec95150976ad495c3d807b6e1 (
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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
#ifndef Py_INTERNAL_INTERP_H
#define Py_INTERNAL_INTERP_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
#include <stdbool.h>
#include "pycore_atomic.h" // _Py_atomic_address
#include "pycore_ast_state.h" // struct ast_state
#include "pycore_ceval_state.h" // struct _ceval_state
#include "pycore_code.h" // struct callable_cache
#include "pycore_context.h" // struct _Py_context_state
#include "pycore_dict_state.h" // struct _Py_dict_state
#include "pycore_dtoa.h" // struct _dtoa_state
#include "pycore_exceptions.h" // struct _Py_exc_state
#include "pycore_floatobject.h" // struct _Py_float_state
#include "pycore_function.h" // FUNC_MAX_WATCHERS
#include "pycore_genobject.h" // struct _Py_async_gen_state
#include "pycore_gc.h" // struct _gc_runtime_state
#include "pycore_import.h" // struct _import_state
#include "pycore_list.h" // struct _Py_list_state
#include "pycore_global_objects.h" // struct _Py_interp_static_objects
#include "pycore_tuple.h" // struct _Py_tuple_state
#include "pycore_typeobject.h" // struct type_cache
#include "pycore_unicodeobject.h" // struct _Py_unicode_state
#include "pycore_warnings.h" // struct _warnings_runtime_state
// atexit state
typedef struct {
PyObject *func;
PyObject *args;
PyObject *kwargs;
} atexit_callback;
struct atexit_state {
atexit_callback **callbacks;
int ncallbacks;
int callback_len;
};
struct _Py_long_state {
int max_str_digits;
};
/* interpreter state */
/* PyInterpreterState holds the global state for one of the runtime's
interpreters. Typically the initial (main) interpreter is the only one.
The PyInterpreterState typedef is in Include/pytypedefs.h.
*/
struct _is {
PyInterpreterState *next;
struct pythreads {
uint64_t next_unique_id;
/* The linked list of threads, newest first. */
PyThreadState *head;
/* Used in Modules/_threadmodule.c. */
long count;
/* Support for runtime thread stack size tuning.
A value of 0 means using the platform's default stack size
or the size specified by the THREAD_STACK_SIZE macro. */
/* Used in Python/thread.c. */
size_t stacksize;
} threads;
/* Reference to the _PyRuntime global variable. This field exists
to not have to pass runtime in addition to tstate to a function.
Get runtime from tstate: tstate->interp->runtime. */
struct pyruntimestate *runtime;
int64_t id;
int64_t id_refcount;
int requires_idref;
PyThread_type_lock id_mutex;
/* Has been initialized to a safe state.
In order to be effective, this must be set to 0 during or right
after allocation. */
int _initialized;
int finalizing;
struct _ceval_state ceval;
struct _gc_runtime_state gc;
struct _import_state imports;
// Dictionary of the sys module
PyObject *sysdict;
// Dictionary of the builtins module
PyObject *builtins;
PyObject *codec_search_path;
PyObject *codec_search_cache;
PyObject *codec_error_registry;
int codecs_initialized;
PyConfig config;
unsigned long feature_flags;
PyObject *dict; /* Stores per-interpreter state */
PyObject *builtins_copy;
// Initialized to _PyEval_EvalFrameDefault().
_PyFrameEvalFunction eval_frame;
PyFunction_WatchCallback func_watchers[FUNC_MAX_WATCHERS];
// One bit is set for each non-NULL entry in func_watchers
uint8_t active_func_watchers;
Py_ssize_t co_extra_user_count;
freefunc co_extra_freefuncs[MAX_CO_EXTRA_USERS];
#ifdef HAVE_FORK
PyObject *before_forkers;
PyObject *after_forkers_parent;
PyObject *after_forkers_child;
#endif
struct _warnings_runtime_state warnings;
struct atexit_state atexit;
PyObject *audit_hooks;
PyType_WatchCallback type_watchers[TYPE_MAX_WATCHERS];
PyCode_WatchCallback code_watchers[CODE_MAX_WATCHERS];
// One bit is set for each non-NULL entry in code_watchers
uint8_t active_code_watchers;
struct _Py_unicode_state unicode;
struct _Py_float_state float_state;
struct _Py_long_state long_state;
struct _dtoa_state dtoa;
/* Using a cache is very effective since typically only a single slice is
created and then deleted again. */
PySliceObject *slice_cache;
struct _Py_tuple_state tuple;
struct _Py_list_state list;
struct _Py_dict_state dict_state;
struct _Py_async_gen_state async_gen;
struct _Py_context_state context;
struct _Py_exc_state exc_state;
struct ast_state ast;
struct types_state types;
struct callable_cache callable_cache;
PyCodeObject *interpreter_trampoline;
struct _Py_interp_cached_objects cached_objects;
struct _Py_interp_static_objects static_objects;
/* The following fields are here to avoid allocation during init.
The data is exposed through PyInterpreterState pointer fields.
These fields should not be accessed directly outside of init.
All other PyInterpreterState pointer fields are populated when
needed and default to NULL.
For now there are some exceptions to that rule, which require
allocation during init. These will be addressed on a case-by-case
basis. Also see _PyRuntimeState regarding the various mutex fields.
*/
/* the initial PyInterpreterState.threads.head */
PyThreadState _initial_thread;
};
/* other API */
extern void _PyInterpreterState_Clear(PyThreadState *tstate);
/* cross-interpreter data registry */
/* For now we use a global registry of shareable classes. An
alternative would be to add a tp_* slot for a class's
crossinterpdatafunc. It would be simpler and more efficient. */
struct _xidregitem;
struct _xidregitem {
struct _xidregitem *prev;
struct _xidregitem *next;
PyObject *cls; // weakref to a PyTypeObject
crossinterpdatafunc getdata;
};
PyAPI_FUNC(PyInterpreterState*) _PyInterpreterState_LookUpID(int64_t);
PyAPI_FUNC(int) _PyInterpreterState_IDInitref(PyInterpreterState *);
PyAPI_FUNC(int) _PyInterpreterState_IDIncref(PyInterpreterState *);
PyAPI_FUNC(void) _PyInterpreterState_IDDecref(PyInterpreterState *);
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_INTERP_H */
|
