-
-
Notifications
You must be signed in to change notification settings - Fork 34.8k
Expand file tree
/
Copy pathpycore_importdl.h
More file actions
171 lines (146 loc) · 5.34 KB
/
Copy pathpycore_importdl.h
File metadata and controls
171 lines (146 loc) · 5.34 KB
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
#ifndef Py_INTERNAL_IMPORTDL_H
#define Py_INTERNAL_IMPORTDL_H
#include "patchlevel.h" // PY_MAJOR_VERSION
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
extern const char *_PyImport_DynLoadFiletab[];
#ifdef HAVE_DYNAMIC_LOADING
/* ./configure sets HAVE_DYNAMIC_LOADING if dynamic loading of modules is
supported on this platform. configure will then compile and link in one
of the dynload_*.c files, as appropriate. We will call a function in
those modules to get a function pointer to the module's init function.
The function should return:
- The function pointer on success
- NULL with exception set if the library cannot be loaded
- NULL *without* an extension set if the library could be loaded but the
function cannot be found in it.
*/
#ifdef MS_WINDOWS
#include <windows.h>
typedef FARPROC dl_funcptr;
extern dl_funcptr _PyImport_FindSharedFuncptrWindows(const char *prefix,
const char *shortname,
PyObject *pathname,
FILE *fp);
#else
typedef void (*dl_funcptr)(void);
extern dl_funcptr _PyImport_FindSharedFuncptr(const char *prefix,
const char *shortname,
const char *pathname, FILE *fp);
#endif
#endif /* HAVE_DYNAMIC_LOADING */
typedef enum ext_module_kind {
_Py_ext_module_kind_UNKNOWN = 0,
_Py_ext_module_kind_SINGLEPHASE = 1,
_Py_ext_module_kind_MULTIPHASE = 2,
_Py_ext_module_kind_INVALID = 3,
} _Py_ext_module_kind;
typedef enum ext_module_origin {
_Py_ext_module_origin_CORE = 1,
_Py_ext_module_origin_BUILTIN = 2,
_Py_ext_module_origin_DYNAMIC = 3,
} _Py_ext_module_origin;
struct hook_prefixes {
const char *const init_prefix;
const char *const export_prefix;
};
/* Input for loading an extension module. */
struct _Py_ext_module_loader_info {
PyObject *filename;
#ifndef MS_WINDOWS
PyObject *filename_encoded;
#endif
PyObject *name;
PyObject *name_encoded;
/* path is always a borrowed ref of name or filename,
* depending on if it's builtin or not. */
PyObject *path;
_Py_ext_module_origin origin;
const struct hook_prefixes *hook_prefixes;
const char *newcontext;
};
extern void _Py_ext_module_loader_info_clear(
struct _Py_ext_module_loader_info *info);
extern int _Py_ext_module_loader_info_init(
struct _Py_ext_module_loader_info *info,
PyObject *name,
PyObject *filename,
_Py_ext_module_origin origin);
extern int _Py_ext_module_loader_info_init_for_core(
struct _Py_ext_module_loader_info *p_info,
PyObject *name);
extern int _Py_ext_module_loader_info_init_for_builtin(
struct _Py_ext_module_loader_info *p_info,
PyObject *name);
#ifdef HAVE_DYNAMIC_LOADING
extern int _Py_ext_module_loader_info_init_from_spec(
struct _Py_ext_module_loader_info *info,
PyObject *spec);
#endif
/* The result from running an extension module's init function.
* Not used for modules defined via PyModExport (slots array).
*/
struct _Py_ext_module_loader_result {
PyModuleDef *def;
PyObject *module;
_Py_ext_module_kind kind;
struct _Py_ext_module_loader_result_error *err;
struct _Py_ext_module_loader_result_error {
enum _Py_ext_module_loader_result_error_kind {
_Py_ext_module_loader_result_EXCEPTION = 0,
_Py_ext_module_loader_result_ERR_MISSING = 1,
_Py_ext_module_loader_result_ERR_UNREPORTED_EXC = 2,
_Py_ext_module_loader_result_ERR_UNINITIALIZED = 3,
_Py_ext_module_loader_result_ERR_NONASCII_NOT_MULTIPHASE = 4,
_Py_ext_module_loader_result_ERR_NOT_MODULE = 5,
_Py_ext_module_loader_result_ERR_MISSING_DEF = 6,
} kind;
PyObject *exc;
} _err;
};
extern void _Py_ext_module_loader_result_clear(
struct _Py_ext_module_loader_result *res);
extern void _Py_ext_module_loader_result_apply_error(
struct _Py_ext_module_loader_result *res,
const char *name);
/* The module init function. */
typedef PyObject *(*PyModInitFunction)(void);
typedef PySlot *(*PyModExportFunction)(void);
#ifdef HAVE_DYNAMIC_LOADING
extern int _PyImport_GetModuleExportHooks(
struct _Py_ext_module_loader_info *info,
FILE *fp, PyModInitFunction *modinit, PyModExportFunction *modexport);
#endif
extern int _PyImport_RunModInitFunc(
PyModInitFunction p0,
struct _Py_ext_module_loader_info *info,
struct _Py_ext_module_loader_result *p_res);
/* Max length of module suffix searched for -- accommodates "module.slb" */
#define MAXSUFFIXSIZE 12
#ifdef MS_WINDOWS
#ifdef Py_DEBUG
# define PYD_DEBUG_SUFFIX "_d"
#else
# define PYD_DEBUG_SUFFIX ""
#endif
#ifdef Py_GIL_DISABLED
# define PYD_THREADING_TAG "t"
#else
# define PYD_THREADING_TAG ""
#endif
#ifdef PYD_PLATFORM_TAG
# define PYD_SOABI "cp" Py_STRINGIFY(PY_MAJOR_VERSION) Py_STRINGIFY(PY_MINOR_VERSION) PYD_THREADING_TAG "-" PYD_PLATFORM_TAG
#else
# define PYD_SOABI "cp" Py_STRINGIFY(PY_MAJOR_VERSION) Py_STRINGIFY(PY_MINOR_VERSION) PYD_THREADING_TAG
#endif
#define PYD_TAGGED_SUFFIX PYD_DEBUG_SUFFIX "." PYD_SOABI ".pyd"
#define PYD_UNTAGGED_SUFFIX PYD_DEBUG_SUFFIX ".pyd"
#endif
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_IMPORTDL_H */