cpython/Include/internal/pycore_importdl.h

140 lines
4.0 KiB
C

#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[];
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;
/* 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 char *hook_prefix;
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. */
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);
#ifdef HAVE_DYNAMIC_LOADING
extern PyModInitFunction _PyImport_GetModInitFunc(
struct _Py_ext_module_loader_info *info,
FILE *fp);
#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
#include <windows.h>
typedef FARPROC dl_funcptr;
#ifdef _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"
#else
typedef void (*dl_funcptr)(void);
#endif
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_IMPORTDL_H */